Answer:
No
Step-by-step explanation:
100/15 = 6.66666667 which means she won't make it
If the team’s average time is less than one minute per leg, then the eighth graders earn 50 points. If not, the seventh graders earn 50 points. Which grade should be awarded 50 points?
Answer:
the seventh grader because the eighth graders got 58 which is more than 50 so the 7th grader would get the pts
Step-by-step explanation:
The seventh grader should be awarded 50 points.
What is Data?In mathematics, data is a collection of facts and figures that can take any shape, whether it be numerical or not. You can calculate numerical data, which is always gathered in number form and includes things like student test scores, employee salaries, football team member heights, etc.
Given:
If the team’s average time < one minute per leg, then the eighth graders earn 50 points.
If the team’s average time > one minute per leg, then seventh graders earn 50 points.
As, the eighth graders got 58 which is more than 50.
Hence, the 7th grader would get the points.
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Pedro bought a movie ticket for $9.50 and popcom por $4.35. He has $8.75 left
over How much money did he have before he went to the movies?
Answer:
He had $22.60
Step-by-step explanation:
$9.50 + $4.35 = 13.85 + 8.75 = $22.60
Steve hade 17 pencils in his backpack. this represents 5 more than 6/7 the number of pencils that Clyde has in his backpack
Answer:
Clyde has 14 pencils in his backpack
Step-by-step explanation:
Let x be the number of pencils that Clyde has in his backpack.
We can translate this statement “Steve hade 17 pencils in his backpack. this represents 5 more than 6/7 the number of pencils that Clyde has in his backpack” mathematically like this :
\(17=5+\frac{6}{7} x \\\\ \Longleftrightarrow 17-5=\frac{6}{7} x \\\\ \Longleftrightarrow 12=\frac{6}{7} x \\ \\\Longleftrightarrow x=\frac{12\times 7}{6} =14\)
Let he has n pencils
So
\(\\ \rm\hookrightarrow \dfrac{6n}{7}+5=17\)
\(\\ \rm\hookrightarrow \dfrac{6n}{7}=12\)
\(\\ \rm\hookrightarrow 6n=84\)
\(\\ \rm\hookrightarrow n=14\)
КУ Meccahi Grant Question #21 The perimeter of a rectangle is given by the algebraic Part A. expression 2x2 + 4x + 4. The width of this rectangle Create an algebraic expression in terms of x to 2 is given by the algebraic expression x? – 4. represent the length of the rectangle. The perimeter of a rectangle is given by the algebraic expression 2x2 + 4x +4. The width of this rectangle is given by the algebraic expression x2 - 4. Part A Create an algebraic expression in terms of x to represent the length of the rectangle. Part B If x = 3, what is the area of this rectangle in squa units? Remember to include units.
Answer: The question requires an understanding of how to compose and decompose multi digit numbers. The expanded form 70,000 + 4,000 + 70 + 2 corresponds to the number 74,072, which is the population of Davidson County.
(sorry if i'm wrong)
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Tom has a water tank that holds 5 gallons of water. tell me this is water for my footing to fill six bottles they each holds 16 ounces and a picture that holds one over 2 gallon how many ounces of water left in a water tank?
288 ounces of water are left in the water tank.
What is arithmetic?
Arithmetic is an elementary part of mathematics that consists of the study of the properties of the traditional operations on numbers—addition, subtraction, multiplication, division, exponentiation, and extraction of roots
Here, we have
Given: Tom has a water tank that holds 5 gallons of water. tell me this is water for my footing to fill six bottles they each hold 16 ounces and a picture that holds one over 2 gallons.
1 gallon = 128 ounces, 2 gallon = 256 ounces
6 bottles × 16 ounces = 96 ounces
2 gallon + 96 ounces = 256 + 96 ounces = 352 ounces
5 gallon = 5 × 128 = 640 ounces
= 640 - 352 = 288 ounces
Hence, 288 ounces of water are left in the water tank.
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Question 15 of 60
Choose the symbol that correctly compares the fractions below.
8 8
-?-
10 10
OA. None of these are correct.
OB. <
C. >
OD. =
SUBMIT
Answer:
D
Step-by-step explanation:
acccording to this diagram what is cos 28
Answer:
\( \frac{15}{17} \)Option B is the correct option.
Here,
Adjacent=15
Hypotenuse=17
Now,
\(cos \: theta = \frac{adjacent}{hypotenuse} \\ cos \: 28 = \frac{15}{17} \)
Hope this helps..
Good luck on your assignment..
Answer:
B. 15/17
Step-by-step explanation:
(see attached graphic for reference)
Because we have a right triangle (i.e one of the internal angles is 90 degrees), we can use trigonometry to solve
from the diagram, we can see that
cos 28° = adjacent length / hypotenuse
we can also see that the length adjacent to 28° = 15 units and the hypotenuse is 17 units,
hence, substituting these values into the equation:
cos 28° = 15 / 17 (answer)
edit: typo
“Simplify the following expression by combining like terms. 5x-y-3x+10+x+2y
Answer:
3x+10+y
Step-by-step explanation:
5x-y-3x+10+x+2y
5x-3x+x+10-y+2y
3x+10+y
Answer:
3x+y+10
Step-by-step explanation:
Since we are trying to combine like terms, we must rearrange the terms, and group the terms with an x, together, a y together, and the constants. Doing that, we get
(5x+x-3x)+(2y-y)+10
Now we start with the x terms, and we add 5x+x=6x and then 6x-3x= 3x, so you have 3x, and now for the y terms
we have 2y-y=y and lastly we have a ten, so adding them together, we get
3x+y+10
In the previous problem kin predicted a drop in temperature. Explain why a drop in temperature would lead to adding a negative integer
Adding a negative integer to the current temperature would result in a decrease in temperature, which is consistent with Kin's prediction of a drop in temperature.
What is temperature?Temperature can be treated as a quantitative measure of the hotness or coldness of an object or a substance.
It is often represented using numerical values on a temperature scale, such as Celsius or Fahrenheit.
Temperature can be used in various mathematical calculations, such as in thermodynamics and statistical mechanics.
In the context of the previous problem, adding a negative integer would represent a decrease in temperature.
This is because a negative integer represents a value less than zero, and in the context of temperature, a negative value indicates a temperature that is lower than the reference point (usually taken as 0 degrees Celsius or 32 degrees Fahrenheit).
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T = 50 + (-10), which denotes the addition of a negative integer of minus 10 to the original temperature to produce the new, lower temperature.
How to calculate temperature?An integer is first and foremost a whole number that can be positive, negative, or zero.
A decrease in temperature now denotes a decline in temperature.
This implies that, for instance, if the temperature is 50 °C, a drop of 10 °C would require subtracting 10 from 50 to determine the current temperature.
Currently, the temperature would be;
T = 50 – 10
In order to demonstrate that it is obtained by adding a negative integer:
Another way to express this as;
T = 50 + (-10)
Because minus multiplied by plus yields negative according to the mathematical multiplication signs.
Since, T = 50 + (-10), which denotes the addition of a negative integer of minus 10 to the original temperature to produce the new, lower temperature.
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Rest of the given question is,
A drop in temperature means the temperature will decrease. That decrease is represented by a negative integer, which should be added to the previous temperature.
Karen is investigating if age has any effect on political party preferences. What is the explanatory variable?
Using variable concepts, it is found that the explanatory variable is the age.
Explanatory and response variables:The variables of an experiment are divided into explanatory and response.The response variable is the one that is the focus of the study, that is, the one that can be changed.The explanatory is the one that explains the reason of the change in the response variable.In this problem, the age can effect the political party preference, hence:
The variable that is changed is the political party preference, hence it is the response variable.The reason is the age, hence it is the explanatory variable.You can learn more about explanatory and response variable at https://brainly.com/question/22046153
what is the next term of the arithmetic sequence 24, 16, 8, 0, ...? and what is the explicit formula to find it?
Answer: We have an arithmetic sequence because the difference between the terms is constant:
\(\begin{gathered} 0\rightarrow8\colon\Delta\rightarrow8 \\ 8\rightarrow16\colon\Delta\rightarrow8 \\ 16\rightarrow24\colon\Delta\rightarrow8 \end{gathered}\)From this the next term is simply:
\(24+8=32\)And this sequence can be explicitly written as:
\(a_n=a_1(n-1)d\)Where:
\(\begin{gathered} a_n=nth\text{ term} \\ a_1=first\text{ term} \\ d=\text{distance betw}en\text{ the terms} \\ n=\text{any index number} \end{gathered}\)Therefore we have:
\(\begin{gathered} a_n=1\cdot(n-1)8=8\cdot(n-1) \\ a_n=8\cdot(n-1) \end{gathered}\)
Barbara plotted an elevation below sea level on a number line and labeled it A. She plotted Point B above 0, a distance that is exactly as far from 0 as Point A is. Explain what you know about Point B.
I WILL MARK BRAINLIEST
Answer:
Because Point A is negative and the same distance below 0 on the number line as Point B is above it, Point B is both positive and the opposite of Point A.
Step-by-step explanation:
The sum of 7/8 of a number and 20 is 34 at minimum
Answer:
7/8x ≥ 14
Step-by-step explanation:
(sum means addition in case you forgot)
You would start by writing 7/8x + 20 ≥ 34
You would then subtract 20 from both sides to isolate the variable x.
You would then have 7/8x ≥ 14
A summary of the two stocks is shown.
Name of Stock Symbol Closing Price Day 1 Closing Price Day 2 Closing Price Day 3
Metropolis, Ltd MTP 17.95 18.25 18.28
Suburbia, Inc SBR 5.63 4.98 5.25
Suppose you purchase 65 shares of Metropolis stock and 50 shares of Suburbia stock on Day 1 at the closing price. Which day, during the following two days, would be the best to sell both stocks and by how much?
Day 2 is the best by $13.00.
Day 3 is the best by $13.00.
Day 2 is the best by $2.45.
Day 3 is the best by $2.45.
The day, from the following two days, which would be the best to sell both stocks with the closing price is day 3 by an amount of $2.45.
Given are the closing prices of two stocks in three days.
If you purchase 65 shares of Metropolis stock and 50 shares of Suburbia stock on Day 1 at the closing price,
Amount invested = (65 × 17.95) + (50 × 5.63) = $1448.25
If the stock is sold in day 2,
Amount received = (65 × 18.25) + (50 × 4.98) = $1435.25
Profit = $1435.25 - $1448.25 = -$13
If the stock is sold in day 3,
Amount received = (65 × 18.28) + (50 × 5.25) = $1450.7
Profit = $1450.7 - $1448.25 = $2.45
The profit is more for day 3 than day 2.
Hence it is best to sell on day 3 by $2.45.
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There is a line whose y-intercept is -5 and whose slope is -1/7
What is its equation in
slope-intercept form?
Answer:
y=-1/7x-5
Step-by-step explanation:
Slope intercept is y=mx+b
This is where m is the slope of the equation and
b is the y-intercept of the equation
We are given the values of the slope and y-intercept.
Hence, all we need to do is to plug it into the form
y=(-1/7)x+(-5)
Hence, the equation of the line would be:
y=-1/7x-5
whats the largest number that can round to 440000?
Answer:
439999.999999999999999
Step-by-step explanation:
A rectangular piece of metal is 5 in longer than it is wide. Squares with sides 1 in lòng are cut from the four corners
and the flaps are folded upward to form an open box. If the volume of the box is 234 in³, what were the original
dimensions of the piece of metal?
The original dimensions of the piece of metal were 15 inches by 20 inches.
To solve this problem, we can use the given information to set up an equation. Let's assume that the width of the rectangular piece of metal is x inches. According to the problem, the length of the piece of metal is 5 inches longer than its width, so the length would be (x+5) inches.
When squares with sides 1 inch long are cut from the four corners, the width and length of the resulting box will be reduced by 2 inches each. Therefore, the width of the box will be (x-2) inches and the length will be ((x+5)-2) inches, which simplifies to (x+3) inches.
The height of the box will be 1 inch since the flaps are folded upward.
Now, let's calculate the volume of the box using the formula Volume = length * width * height.
Substituting the values, we have:
234 = (x+3)(x-2)(1)
Simplifying the equation, we get:
234 = x^2 + x - 6
Rearranging the equation, we have:
x^2 + x - 240 = 0
Now, we can solve this quadratic equation either by factoring or by using the quadratic formula. Let's use factoring to find the values of x.
Factoring the equation, we have:
(x+16)(x-15) = 0
Setting each factor equal to zero, we get:
x+16 = 0 or x-15 = 0
Solving for x, we have:
x = -16 or x = 15
Since the width cannot be negative, we take x = 15 as the valid solution.
Therefore, the original dimensions of the piece of metal were 15 inches in width and (15+5) = 20 inches in length.
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(((50 POINTSSSS))) Three points determine △ABC. The distance between A and B is 22.2 feet. The distance between B and C is 9.9 feet.
What is the range for the distance between A and C? The range of the distance from A to C is greater than feet and less than feet.
If three points determine △ABC. The distance between A and B is 22.2 feet. The distance between B and C is 9.9 feet. The range of the distance from A to C is greater than 12.3 feet and less than 32.1 feet
How to find the maximum and the minimum range of distances
given data
The distance between A and B is 22.2 feet
The distance between B and C is 9.9 feet
The range of the distance from A to C is greater than
= 22.2 feet - 9.9 feet
= 12.3 feet
The range of the distance from A to C is less than
= 22.2 feet + 9.9 feet
= 32.1 feet
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Demonstrate the deference types of equipment that can be used to introduce numeracy to young children
Introducing numeracy to young children can be done through various types of equipment and resources that engage their senses and make learning math concepts more interactive and enjoyable.
Here are some different types of equipment commonly used to introduce numeracy to young children:
Counting blocks: Colorful blocks that children can use to physically count and group numbers.Number rods: Wooden rods or bars of different lengths that help children understand number values and comparisons.Counting bears: Small bear-shaped counters that children can use for counting, sorting, and basic addition and subtraction.Number puzzles: Jigsaw puzzles or manipulative puzzles with numbers, helping children recognize and order numerals.Math storybooks: Books that incorporate mathematical concepts into stories, making math more relatable and enjoyable for children.Picture books with numeracy themes: Books that use illustrations and visuals to introduce and reinforce numeracy concepts.Thus, by incorporating a variety of equipment and resources, educators and parents can create a rich learning environment that supports children's numeracy development and fosters a positive attitude towards math.
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simile has half of pizza left over. She wants to share the pizza with three of her friends what fraction of the Original Pizza will see Lily and her three friends each receipt
The original Pizza we left
\(\frac{1}{2}\)divide into four because 3 friends + Simile=4 then we have the next operation in order to the fraction
\(\frac{\frac{1}{2}}{4}=\frac{\frac{1}{2}}{\frac{4}{1}}=\frac{1}{8}\)each person receipt 1/8 of the pizza of the original pizza
In a certain Algebra 2 class of 28 students, 7 of them play basketball and 5 of them play baseball. There are 18 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?
Answer:
2 students play both
Step-by-step explanation:n(u)=28
n(b)=7,n(b)=5,n(who play neither sport)=18
HERE,
n(u)=n(b)+n(b)-n(BnB)+n(who play neither sport)
28=7+5-n(BnB)+18
28=30-n(BnB)
n(BnB)=30-28
=2 answer
In a triangle with angles measuring a, b and c degrees, the mean of b and c is a. What is the
value of a?
Answer:
60
Step-by-step explanation:
\(a+b+c=180\\\frac{b+c}{2}=a \rightarrow b+c=2a\\\\a+2a=180\\3a=180\\a=60\)
Therefore, the value of a is 60 degrees
Complete the sentence using the bare infinitive.
1.My parents often make me __________ English Subject
Answer:
study my ___________ I hope it helps
You ordered some eatables. If c represents
the cost of one cookie and p is the cost of one
pizza. Write an expression for the total cost
of 14 cookies and 10 pizzas.
I
Answer:
Total Cost = 14c + 10p
Step-by-step explanation:
Answer:
14c+10p= the total cost
A delivery driver makes $78 each day that he works and makes approximately $10 in tips for each delivery that he makes. If he wants to make at least $238 in one day, at least how many deliveries does he need to make?
Answer:
16 deliveries
Step-by-step explanation:
We can model the situation using a linear inequality. Since we're told that the driver makes $10 in tips for each delivery.Thus, this is the slope.Since he makes $78 each day, this number is a constant and he makes it even when no deliveries are made. Thus, this is the y-interceptSince he wants to make at least #238, we want to find a value of d (number of deliveries) which would cause his wages to equal #238. Thus, we can use the following equation to find:238 ≤ 10d + 78
160 ≤ 10d
16 ≤ d
Thus, he needs to make at least 16 deliveries to make at least $238 in one day. Any less than 16 deliveries will cause him to fall short of his goal and any more than 16 deliveries will cause him to exceed his goal.
A rectangular room is
1.5
times as long as it is wide, and its perimeter is
35
meters. Find the dimension of the room.
The length is :
meters and the width is
meters.
The dimensions of the room are approximately 7 meters by 10.5 meters.
The length is 10.5 meters and the width is 7 meters.What are dimensions?In Mathematics, dimensions are referred to as measures of size such as length, width, and height of an object or a shape. A rectangle has length and width as its dimensions that define the area of a rectangle.
Let's start by using algebra to represent the information given in the problem. Let x be the width of the rectangular room, then the length is 1.5 times the width or 1.5x.
The perimeter of a rectangle is the sum of the lengths of all its sides, which can be expressed as:
\(\text{Perimeter} = 2(\text{length} + \text{width})\)
Substituting the values we have for length and width, we get:
\(\rightarrow35 = 2(1.5\text{x} + \text{x})\)
Simplifying the equation, we get:
\(\rightarrow35 = 2(2.5\text{x})\)
\(\rightarrow35 = 5\text{x}\)
\(\rightarrow\text{x}=\dfrac{35}{5}\)
\(\rightarrow\bold{x\thickapprox7}\)
So the width of the room is 7 meters.
To find the length, we can substitute x into the expression we have for the length:
\(\rightarrow\text{Length} = 1.5\text{x}\)
\(\rightarrow\text{Length} = 1.5(7)\)
\(\rightarrow\bold{Length=10.5}\)
So the length of the room is 10.5 meters.
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I have provided a picture
The regression equation is y = 28.0 + 0.0510x.
The best predicted temperature at a time when the cricket chirps 3000 times in 1 minute, based on the regression equation is 181°F.
What is wrong with this predicted temperature: B. It is unrealistically high. The value 3000 is far outside of the range of observed values.
How to determine the line of best fit?In this scenario, the chirps in 1 min would be plotted on the x-axis (x-coordinate) of the scatter plot while the temperature would be plotted on the y-axis (y-coordinate) of the scatter plot through the use of Microsoft Excel.
From the scatter plot (see attachment) which models the relationship between the chirps in 1 min and the temperature, a regression equation or an equation for the line of best fit is given by:
y = 28.0 + 0.0510x
When x = 3000, the temperature can be calculated as follows;
y = 28.0 + 0.0510(3000)
y = 181°F
In conclusion, a temperature of 181°F is unrealistically too high because a chirps of 3000 times in 1 min is an outlier.
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Select the correct answer. Which is the correct solution to the expression 3 + 5^2? You can use a calculator to find the answer. A. 10 B. 13 C. 28 D. 64
The correct solution to the expression 3 + 5^2 is C. 28.
What is an expression?Mathematically, an expression is a combination of variables with numbers, values, or constants.
Mathematical or algebraic expressions use the mathematical operands like addition (+), subtraction (-), division (÷), multiplication (×), exponents (^), etc.
An algebraic expression does not go with the equal symbol (=), unlike an equation.
3 + 5^2
= 3 + 5 x 5
= 3 + 25
= 28
Thus, an evaluation of the algebraic expression 3 + 5^2 gives the solution as Option C.
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Angle ADB and CD are straight lines. angle ADC = 5 x angle CDB Work out the size of angle ADC.
Answer:
Step-by-step explanation:
Determine wether the relation is a function (4,0),(2,0),(1,2),(2,4),(4,4),(5,2)
Answer:
This is not a function
Step-by-step explanation:
Hope this helps