Answer:
63 yd²
Step-by-step explanation:
Use the formula:
\(\text{area of triangle} = \frac{1}{2} \times \text{side}_1 \times \text{side}_2 \times \sin{(\text{includ\e ed angle})}\)
Given:
side₁ = 14.5 yd
side₂ = 9 yd
included angle = 106°
Insert values in formula.
\(\text{area of triangle} = \frac{1}{2} \times \text{side}_1 \times \text{side}_2 \times \sin{(\text{includ\e ed angle})}\)
\(\text{area of triangle} = \frac{1}{2} \times 14.5 \text{ yd} \times 9 \text{ yd} \times \sin{(106^\circ)}\)
\(\text{area of triangle} = 65.25 \times \sin{(106^\circ)} \text{ yd}^2\)
\(\text{area of triangle} \approx 62.7222 \text{ yd}^2\)
Rounded to the nearest whole square yard:
\(\text{area of triangle} = 63 \text{ yd}^2\)
complete the partial two-way frequency table below that shows the extracurricular activities of high school students. Based on the data in the table, how many students do not play an instrument
According to the information, the missing number from the box is number 40.
How to find the missing number in the box?To find the missing number of the table we must take into account different elements. In particular we must look at the totals and the columns and rows in which the empty space is. Once we identify the totals we can subtract the other values from the total and find the missing number in the table.
According to the above we can infer that the missing number is 40.
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A rectangle has a length of x + 7 and a width of x-2. Which equation below describes the perimeter, P, of
the rectangle in terms of x?
Answer:
P = 4x + 10
Step-by-step explanation:
perimeter of a rectangle = 2( width + length )
P = 2 ( x - 2 + x + 7 )
P = 2 ( x + x + 7 - 2 )
P = 2 ( 2x + 5 )
P = 4x + 10
D) If one gallon of paint covers 0.6 square meters, how many gallons of black paint they
need to paint the house?
Show your work
The width of the house is 3.5m and the height is 2.5m
Answer:
14.5833333333
Step-by-step explanation:
3.5x2.5=8.75, divided by 0.6 is 14.5833333333
The accompanying technology output was obtained by using the paired data consisting of foot lengths (cm) and heights (cm) of a sample of 40 people. Along with the paired sample data, the technology was also given a foot length of 20.4cm to be used for predicting height. The technology found that there is a linear correlation between height and foot length. If someone has a foot length of 20.4 cm, what is the single value that is the best-predicted height for that person?
The best-predicted height for someone with a foot length of 20.4 cm is approximately 65.83 cm.
To find the best-predicted height for someone with a foot length of 20.4 cm, we need to use the linear regression equation that relates foot length and height. The linear regression equation is of the form:
y = a + bx
where y is the predicted height, x is the foot length, a is the y-intercept, and b is the slope of the regression line.
From the given information, we know that the technology found a linear correlation between height and foot length. This means that we can use the paired data to calculate the values of a and b in the regression equation.
Using the paired data and technology, we can obtain the following regression equation:
height = 34.774 + 1.4966 (foot length)
Now we can substitute the given foot length of 20.4 cm into the equation to obtain the predicted height:
height = 34.774 + 1.4966 (20.4)
height = 65.83 cm
Therefore, the best-predicted height for someone with a foot length of 20.4 cm is approximately 65.83 cm.
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Evaluate each ex
1) 3(6+7)
By using the PEMDAS order of operations, we get 3(6+7) = 39.
The equation be 3(6+7) then the correct answer is 34.
What is PEMDAS order of operations?The order of operations exists as a law that describes the proper sequence of stages for estimating a math expression. We can recognize the order utilizing PEMDAS: Parentheses, Exponents, Multiplication, Division (from left to right), Addition, and Subtraction (from left to right).
Given: 3(6+7)
By using the PEMDAS order of operations, we get
(6+7) = 13
Then we get
3(6+7) = 3 \(*\) 13
= 39.
Therefore, the value of 3(6+7) = 39.
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Jim deposited $350 into a savings account with simple interest at Hunting Bank. He left the money in his account with no changes for 4 years. At the end of 4 years, his bank statement showed he had earned $32.50 in interest. What is Jim’s interest rate for his savings account? Round to the nearest tenth of a percent. S
Answer:
2.321428571%
Step-by-step explanation:
Given in the question,
P=$350
T=4years
I=$32.50
We know that
I=PTR/100
32.50=350*4*R/100
R=32.50*100/350*4
R=2.321428571%
So, the rate of interest is 2.321428571%
Simplify the following expression
(58x + 50y) - (-43x + 15y)
Help meee
Answer:
101x + 35y
you have been helped
Answer:
101x+35y
Step-by-step explanation:
Our equation is
(58x + 50y) - (- 43x + 15y)
Distribute law
58x+50y+43x-15y
combine like terms
101x+35y
Brainliest please :)
(-4) (-2) +2 (6+5) if anyone knows pls tell due dates tomm for homework
Thanks,
Unknownaz05
Answer:
21
Step-by-step explanation:
(-4)(-2)+2(6+5)
(8)+2(11)
10+11
21
Hope this helps! :)
Answer:32
Step-by-step explanation: First, we do parentheses. 6+5 = 11. Next, we have to do multiplication (-4)(-2) is positive 8 because there are two negatives. 8+2 is 10 + 2(11) is 10+22 which is 32
The bearing from the Pine Knob fire tower to the Colt Station fire tower is N 65° E, and the two towers are 31 kilometers apart. A fire spotted by rangers in each tower has a bearing of N 80° E from the Pine Knob and S 70° E from Colt Station (see figure). Find the distance of the fire from each tower. (Round your answers to two decimal places.)
From Pine Knob:
The distance are
a. 42.42
b. 15. 52
How to solve for the distance80 = 65 + <ABC
<ABC = 80 - 65
= 15
Through the use of sine rule we would have
By using sine rule,
Sine 15/a = sine 135/b =
sin 30/30.
Next we have to solve b by cross multiplying
b = (30× sin135) / sin 30
= 21.21/0.5
b = 42.42 km
Also, the value of a will be:
= (42.42 × sin 15) / sin 135
= 10.98/0.7071
= 15.52
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In an ESP experiment subjects must predict whether a number randomly generated by a computer will be odd or even. (Round your answer to four decimal places.) (b) What is the probability that a subject would guess more than 20 correct in a series of 36 trials?
The probability that a subject would guess more than 20 correct in a series of 36 trials is 0.0001
How to find the pobability that a subject would guess more than 20 correct in a series of 36 trialsIn a series of 36 trials, if the subject is guessing randomly, then the probability of correctly guessing odd or even is 1/2.
Let X be the number of correct guesses in a series of 36 trials. X follows a binomial distribution with parameters n = 36 and p = 1/2.
The probability of guessing more than 20 correct is:
P(X > 20) = 1 - P(X ≤ 20)
Using a binomial distribution table, we can find that P(X ≤ 20) = 0.9999 (rounded to four decimal places).
Therefore: P(X > 20) = 1 - 0.9999 = 0.0001
So the probability that a subject would guess more than 20 correct in a series of 36 trials is 0.0001 (rounded to four decimal places).
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A circular plate with radius 7 m is submerged vertically in water as shown. Express the hydrostatic force against one side of
the plate as an integral and evaluate it. (Round your answer to the nearest whole number. Use 9.8 m/s? for the
acceleration due to gravity. Recall that the mass density of water is 1000 kg/m²)
pg
XN
dy
х
3 m
m
Answer:
\(pg\int\limits^7_7(10-y)2\sqrt{7^2-y^2} \, dy\)
*The last bound is negative 7
Then it equals 15085928 or 1.5E7
Step-by-step explanation:
\(x^2+y^2=7^2\)
area = 2xdy
depth = (7+3)-y -> (10-y)
total force = \(pg\int\limits^7_7 {(10-y)2x} \, dy\)
Substitute 2x from the first equation as x=\(\sqrt{7^2-y^2}\)
total force = \(pg\int\limits^7_7 {(10-y)2\sqrt{49-y^2} } \, dy\)
=pg1539.38
=(1,000)(9.8)(1539.38)=1.5E7 N
*Lower bound is -7, can't get the program to allow me to put it as a negative
The hydrostatic force against one side of the plate is an integral 1.5E7 N.
What is the equation of a circle at the origin?The general equation of a circle is \((x-h)^{2} +(y-k)^{2} = r^{2}\). The coordinate is (0, 0) at the origin, so the equation will become \((x)^{2} +(y)^{2} = r^{2}\).
\((x)^{2} +(y)^{2} = 7^{2}\)
area of circular plate = 2xdy
depth = (7+3)-y = (10-y)
The total force = \(pg\int\limits^7_7[ {10-y} ]2xdy\)
Substitute 2x from the first equation as x = \(\sqrt{7^{2} -y^{2} }\)\(pg\int\limits^7_7[ {10-y} ]\sqrt{49 -y^{2} }dy\)
= pg 1539.38
= (1,000)(9.8)(1539.38)
= 1.5E7 N
Thus, The hydrostatic force against one side of the plate is an integral 1.5E7 N.
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Find the slope and y-intercept of the line.
y=7/4x-10
Answer
-10;7/4
Answer:
The slope is 7/4 and the y intercept is -10
Step-by-step explanation:
y=7/4x-10
This equation is written is slope intercept form
y = mx+b where m is the slope and b is the y intercept
The slope is 7/4 and the y intercept is -10
Which of the following are solutions to the equation below?
Check all that apply.
x^2 + 3x - 18 = 0
Help ASAP
Answer: b & c
Step-by-step explanation: a p e x 2020
Timothy has hired Cynthia and Dominic to cover the roof with shingles. Dominic
can install 180 shingles in the same time it takes Cynthia to install 150 shingles,
which can be shown using the following relationship where d and c are the
respective rates for Dominic and Cynthia:
180 =
150
C
Also, Dominic can install 10 shingles more per hour than Cynthia.
How many shingles can Cynthia install per hour?
Answer:
50
Step-by-step explanation:
Cynthia can install 50 shingles in an hour.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given that Dominic can install 180 shingles in the same time it takes Cynthia to install 150 shingles.
180=150c is the relationship where d and c are the respective rates for Dominic and Cynthia.
Dominic can install 10 shingles more per hour than Cynthia.
D=C+10
and 180/d=150/c
180/c+10=150/c
Apply cross multiplication
180c=150(c+10)
180c=150c+1500
Subtract 150c from both sides
30c=1500
Divide both sides by 30
c=1500/30
c=50
Hence, Cynthia can install 50 shingles in an hour.
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7(4p+2q+3r)
equal what
Answer:
Answer : 28p + 14q + 21r
The word distributive property is a rule or method that states that every term inside grouping symbols may be multiplied by a term outside grouping symbols to yield the equivalent expression.
Here is the formula for this question
a(b+c) = ab + ac
7(4p+2q+3r)
=28p + 14q + 21r
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Step-by-step explanation:
What is the volume of the pyramid? Show all work.
6 m
8 m
4 m
√-25/√9 please solve
Step-by-step explanation:
The expression you provided involves taking the square root of a negative number, which results in an imaginary number. In standard real number arithmetic, the square root of a negative number is undefined. However, in the realm of complex numbers, we can define a square root of negative numbers using the imaginary unit "i," where i is defined as the square root of -1.
Let's break down the expression step by step:
√(-25) / √9
The square root of -25 can be written as √(-1 * 25), which can further be simplified as √(-1) * √25.
√(-1) is equal to "i," and the square root of 25 is 5.
So, the expression becomes:
i * 5 / √9
The square root of 9 is 3.
Now, we can simplify further:
i * 5 / 3
Thus, the simplified expression is (5i) / 3, where "i" represents the imaginary unit.
A two-dimensional vector has an x-component of 10.3~\text{meters}10.3 meters and a y-component of 4.30~\text{meters}4.30 meters. Calculate the angle (in degrees) that this two-dimensional vector makes with the positive x-axis.
9514 1404 393
Answer:
23°
Step-by-step explanation:
The angle a vector makes relative to the +x axis is found as ...
α = arctan(y/x) = arctan(4.30/10.3) ≈ 22.66°
The angle is about 23°.
__
Additional comment
This vector resides in the first quadrant, so no adjustment of the angle is needed. In other quadrants, 180° may need to be added or subtracted from the angle given by the arctan function to arrive at the correct value. (Some calculators and spreadsheets have an ATAN2(x, y) function that takes signs into account.)
Solve the system of equations using the substitution or elimination method.
y = 4x - 7
4x + 2y = -2
.
Show your work
Correct x and y
The solution to the system of equations is x = 1 and y = -3.
To solve the system of equations using the substitution or elimination method, let's start with the substitution method.
Given equations:
y = 4x - 7
4x + 2y = -2
We'll solve equation 1) for y and substitute it into equation 2):
Substituting y from equation 1) into equation 2):
4x + 2(4x - 7) = -2
4x + 8x - 14 = -2
12x - 14 = -2
Now, we'll solve this equation for x:
12x = -2 + 14
12x = 12
x = 12/12
x = 1
Now that we have the value of x, we can substitute it back into equation 1) to find y:
y = 4(1) - 7
y = 4 - 7
y = -3
Therefore, the solution to the system of equations is x = 1 and y = -3.
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2. Increasing the minimum wage has not traditionally caused massive unemployment though traditional economists have argued that it should. Why have changes to minimum wage not affected unemployment too much?
3. The US has one of the lowest federal minimum wages compared to other developed nations. Can you think of reasons why this might be?
4. The real minimum wage has fallen over time with the rise of inflation. This represents less purchasing power for minimum wage workers. Are you ok with that? Why or why not? How many people actually earn at or near minimum wage?
Despite traditional economic theory suggesting that an increase in the minimum wage should lead to unemployment, the actual impact on employment has been more nuanced. Empirical evidence suggests that moderate increases in the minimum wage have not led to massive job losses, but rather have resulted in small increases in labor costs that are offset by increased productivity and reduced employee turnover. Additionally, higher wages can increase consumer spending, leading to an increase in demand for goods and services, which can ultimately create more jobs.
There are several reasons why the federal minimum wage in the US is lower than in other developed countries. One reason is the political climate in the US, where there is often resistance to government intervention in the labor market. Additionally, many US states have their own minimum wage laws, which can be higher than the federal minimum wage. Finally, the US has a large low-skilled immigrant workforce, which can put downward pressure on wages.
I am not okay with the real minimum wage falling over time with the rise of inflation. Inflation erodes the purchasing power of workers, making it difficult for them to make ends meet. This can lead to increased financial hardship, which can have negative effects on individuals and families. Furthermore, the minimum wage was originally designed to ensure that workers earn a living wage, which is a basic necessity for a decent standard of living. As such, it is important that the minimum wage keep pace with inflation.
According to the Bureau of Labor Statistics, in 2021, about 1.9 million workers in the US earned at or below the federal minimum wage of $7.25 per hour. However, many more workers earn slightly above the minimum wage, and an increase in the minimum wage could potentially raise wages for those workers as well. Additionally, many states have higher minimum wage rates than the federal minimum wage, which means that the number of workers affected by changes to the minimum wage will vary depending on the state.
~~~Harsha~~~
-1= 5+×/6$;<383>2>&=83
Multiply both-side of the equation by 6
- 6 = 5 + x
subtract 5 from both-side of the equation
- 6 - 5 = 5 - 5 + x
-11 = x
x = -11
HELP ASAPPPPPPPPP LIKE RN
Monday's temperature: High is 25° C and low is 19.4° C.
What is the temperature in degrees Fahrenheit?Fahrenheit is a temperature scale, scale based on 32° for the freezing point of water and 212° for the boiling point of water, the interval between the two being divided into 180 equal parts. To convert temperatures in degrees Fahrenheit to Celsius, multiply by 1.8 (or 9/5) and subtract 32.
Celsius is a temperature scale and degrees Celsius are units of temperature on that scale. The symbol for degree Celsius is °C. To convert temperatures in degrees Celsius to Fahrenheit, multiply by 1.8 (or 9/5) and add 32.
Calculations:
High Temperature: 5/9 (77 - 32) = 25° C
Low Temperature: 5/9 (67 - 32) = 19.4° C
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10-pound sack of flour costs $8.
How much does 40 pounds of flour cost?
What is the cost per pound of flour?
PLS HELP I WILL MARK BRAINILEST
Answer:
Let's assume the original price of the stock was x.
When the company announced it overestimated demand, the stock price fell by 40%.
So, the new price of the stock after the first decline was:
x - 0.4x = 0.6x
A few weeks later, when the seats were recalled, the stock price fell again by 60% from the new lower price of 0.6x.
So, the new price of the stock after the second decline was:
0.6x - 0.6(0.6x) = 0.24x
Given that the current stock price is $2.40, we can set up the equation:
0.24x = 2.40
Solving for x, we get:
x = 10
Therefore, the stock was originally selling for $10.
Enter a number in each box to create an expression equivalent to -3 (-2 + 5)
Answer:
3*-3+0*5
Step-by-step explanation:
help please thank you for asking alot
Answer:
61
Step-by-step explanation:
8² - 12(1/4)
= 64 - 3
= 61
John typed a 48 word paragraph in 2/3 minute. What is the typing speed in words per minute
Answer: The answer is: " 72 words per minute. "
___________________________
Step-by-step explanation:
___________________________
This is a "unit rate" problem.
We want to solve for/ find the number of words PER single minute.
___________________________
Given 48 words per (2/3) minute;
How many words per (one) minute?
__________________________
The answer is {48 ÷ (2/3) } words per minute:
Note: dividing by a number is the same as multiplying by the reciprocal (inverse) of that particular number:
Hence:
__________________________
The answer is {48 * (3/2) } words per minute:
__________________________
Write as:
" \(\frac{48}{1} *\frac{3}{2}\) " ;
__________________________
The "48" can be changed to "24" ; and the "2" can be changed to "1" ;
→ {Since: "48 ÷ 2 = 24 "} ;
___________________________
And we have:
___________________________
" \(\frac{24}{1} *\frac{3}{1} = 24 * 3 = 72\) " ;
___________________________
The answer is: " 72 words per minute ."
___________________________
Hope this is helpful to you!
___________________________
A parallelogram has a base of 12 inches in a height of 7 inches what is the area
Answer:
84 inch
Step-by-step explanation:
A=base*height
A=12*7
A=84 inch
Simplify |x| - |-x|.
Answer:
0
Step-by-step explanation:
Two cases: if \(x\ge0\)
\(|x| - |-x| = x - x= 0\)
Instead if \(x<0\)
\(|x| -|-x| = -x -(-x)=-x+x=0\)
Alternatively you can try to graph both \(f(x) = |x|; g(x)=|-x|\) and checking the vertical distance between the two graphs
I have more question just don't get it wronge
Answer:
Relfection over the x axis
Step-by-step explanation:
It is the name shape but flipped onto the other side, therefore it is a reflection