solve the equation a-5/a=4

Answer:

6n =3 (cross multiplication)

n= 3/6

n= 1/2

Answer:

A and B

Step-by-step explanation:

I took some paper and cut it to the shapes and folded them to see which ones are the answer and got those 2. :3

Answer:

Step-by-step explanation:Situation A: The hang glider descended 33.57 feet and again ascended 14.98. So 33.57 - 14.98 = 18.58. So now the hang glider is at 18.58 feet

Situation B: Initially they gained 7 2/5 yards and then lost 3/5 yards.

7 2/5 yards can be written as 37/5. As they lost 3/5 yards, 37/5 - 3/5 = 34/5. So the remaining yards are 34/5 yards.

Situation C: Hiker walked 3 1/6 miles and then 2 1/2 miles. So the total distance is 3 1/6 + 2 1/2 = 5 4/6 miles.

Situation D: Total amount earned is $23.66 + $15.84 = $39.5.

Answer:

Step-by-step explanation:Situation A: The hang glider descended 33.57 feet and again ascended 14.98. So 33.57 - 14.98 = 18.58. So now the hang glider is at 18.58 feet

Situation B: Initially they gained 7 2/5 yards and then lost 3/5 yards.

7 2/5 yards can be written as 37/5. As they lost 3/5 yards, 37/5 - 3/5 = 34/5. So the remaining yards are 34/5 yards.

Situation C: Hiker walked 3 1/6 miles and then 2 1/2 miles. So the total distance is 3 1/6 + 2 1/2 = 5 4/6 miles.

Situation D: Total amount earned is $23.66 + $15.84 = $39.5.

Step-by-step explanation:

Answer:

d

Step-by-step explanation: no need to thank me (buts still i would say press the thanks button)

Answer:

75 Feet

Step-by-step explanation:

Acceleration = 1.5 ft /sec

Time taken = 50 sec

Depth of lake = 50 × 1.5

= 75

cmon man this is like primary 3 stuf

Answer:

The equation would be y = -2x + 19

Step-by-step explanation:

To find this, we can use the point and the slope in point-slope form. The we solve for y.

y - y1 = m(x - x1)

y - 7 = -2(x - 6)

y - 7 = -2x + 12

y = -2x + 19

1. Idc about cash, pls don't send me any, virtual goals (brainly points/brainliest) are enough.

Answer:

B.

Step-by-step explanation:

It is definitely not C. or D., so we already have narrowed down the choices.

And A. has Julie older than Paula so it isn't A either, so it has to be B.

The answer is given belowStep-by-step

explanation:

Given that:Point A = (-4,3) and point B = (2,3)Since Point C is a reflection of  point B

Answer:

Two expressions are equivalent if they can be simplified to the same third expression or if one of the expressions can be written like the other. In addition, you can also determine if two expressions are equivalent when values are substituted in for the variable and both arrive at the same answer.

Answer: Where is the question?

Step-by-step explanation:

I'm sorry, I'm not sure what you mean. Could you please clarify which questions you are referring to and what you would like me to add together?

Answer: Because he is used to getting payed by the lab and was confused when his check didnt come.

Step-by-step explanation:

Answer:

-6x-3

Step-by-step explanation:

distribute the 3 by multiplying it with the -2x and the -1

Analysing the pie chart.

ANSWER:

Explain what features of the graph make it misleading.

This graph is highly misleading, seeing as numerical calculations don't add up to 100%, as the standard pie chart does. The numerical values of each section  add up to 178% which makes this pie chart extremely hard to interpret upon first glance. (Keep this information, it'll be important!)

Describe what people seeing the graph might misinterpret because of the misleading features.

Seeing as most people look at percentages out of 100%, people may think that one section describes 68% of 100% of people who took a survey felt a certain way, when in reality, the calculations are just off. Not only are the titles of the pie chart sections extremely generic, they don't give much context to the situation, even with the title in mind.

Designing a new pie chart.

Design a new version of the graph changing the misleading features so that the graph is no longer misleading. Use the same data provided in the original graph.

EXPLANATION:

1. We will start with the title and our section names. We have three sections based on the title 'Biggest COV-19 Worries,' which we can keep. We can rename our titles in this manner:

Getting It ---> Contracting COV-19

Family Getting It ---> Relatives Contracting COV-19

The Economy ---> COV-19's Effect on US Economy

2. Now we can look at percentages. I'll give an explanation and then I'll give numerical values for your recreation of the pie chart:

Since our pie chart has a whole value of 178%, we need to convert our numerical values to 100%. (ex. 89% of 178% = 50% of 100%) We can use simple decimal/percentage conversion for this.

68% of 178% = 38.2% of 100%

62% of 178% = 34.8% of 100%

48% of 178% = 26.9% of 100%

If we round these all accordingly, we get 38%, 35%, and 27%, which all add up to 100%.

Now we can create the bar graph with the right proportions for a bar graph of our values.

ANSWER/GUIDE:

38% corresponds to 'COV-19's Effect on US Economy,' 35% to 'Relatives Contracting COV-19,' and 27% to 'Contracting COV-19.'

(There are a few websites that allow you to make pie charts with numeric values, titles, and section names. Hope you're able to use one.

With our new graph, we corrected the misleading percentages in the pie chart, the generic and bland language of the descriptions, and made the graph much easier to read and interpret.

Why things like this shouldn't happen.

Write a short paragraph -- at least 3 sentences -- explaining why people need to examine graphs closely and what features to look for so they can identify misleading graphs.

ANSWER:

Things like this cannot happen as it can lead to make wrongful assumptions or claims. Not only will this confuse someone, it simply miseducates everyone who tries to interpret the graph as written. When expressing something highly important such as the COV-19 pandemic, you want to make sure you are giving credible and reliable information. When you're making graphs such as this, you want to look for three main things:

Answer:

We can start by using the formula:

time = distance / speed

Let t be the time (in hours) for Tom and Katherine to meet.

Tom's distance = Tom's speed x time = 14t

Katherine's distance = Katherine's speed x time = 10t

Since they are riding towards each other, the total distance they cover is the sum of their distances:

Tom's distance + Katherine's distance = 42 miles

14t + 10t = 42

Simplifying:

24t = 42

t = 42 / 24

t = 1.75 hours

Therefore, Tom and Katherine will meet after 1.75 hours of riding.

Answer: swap u and v I don't think w will change

Step-by-step explanation:

-

Answer:

A. \(-\frac{1}{9}\)

Step-by-step explanation:

-(\(3^-^5\))(\(3^3\)) = \(-\frac{1}{9}\)

please let me know if I am wrong.

hope this helped.

Answer:

A

Step-by-step explanation:

\(-\left(3^{-5}\right)\left(3^3\right)\)

\(\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^{b+c}\)

\(3^{-5}\cdot \:3^3=3^{-5+3}\)

= \(-3^{-5}\cdot \:3^3\)

\(\mathrm{Add/Subtract\:the\:numbers:}\:-5+3=-2\)

\(=-3^{-2}\)

= \(\mathrm{Apply\:exponent\:rule}:\quad \:a^{-b}=\frac{1}{a^b}\)

\(3^{-2}=\frac{1}{3^2}\)

= \(=-\frac{1}{3^2}\)

\(3^2=9\)

= \(=-\frac{1}{9}\)

Answer:

8 birds and 6 mice

Step-by-step explanation:

Given:

Number of heads = 14

Number of legs = 40

Required

How many birds and mice are on the ground?

Let M represents Mice and B represents Birds

Birds and Mice have 1 head each;

So;

\(B + M = 14\)

Birds have 2 legs; Mice have 4 legs

So;

\(2B + 4M = 40\)

At this point, we have two equations;

Make B the subject of formula in the first equation

\(B + M = 14\) becomes

\(B = 14 - M\)

Substitute 14 - M for B in the second equation

\(2(14 - M) + 4M = 40\)

Open bracket

\(28 - 2M + 4M = 40\)

\(28 + 2M = 40\)

Subtract 28 from both sides

\(28 - 28 + 2M = 40 - 28\)

\(2M = 40 - 28\)

\(2M = 12\)

Divide both sides by 2

\(\frac{2M}{2} = \frac{12}{2}\)

\(M = 6\)

Recall that \(B = 14 - M\)

So;

\(B = 14 - 6\)

\(B = 8\)

Hence, there are 8 birds and 6 mice

Answer:

y=(x-2)^2 +4

y=1/4 x^2 +x-1

Answer: $125

Step-by-step explanation:

1/80=x/10,000

10,000/80=125

Hope this helped!

Answer:125 yen

Step-by-step explanation:
Ratio and proportion

Ratio=1:80=x:10,000

x represents dollars which is unknown

1/80=x/10,000

Then you cross multiply

80x=10,000

80x/80=10,000/80

x=125

Therefore,$125 will give you 10,000yen

Answer:

5

Step-by-step explanation:

The question says a proportional relationship, of not stated otherwise, this means a directly proportional relationship, where,

y=kx

Now if, k=1, substituting in the equation would give,

y=x,

Therefore, whatever the value of x is, so is that the value of y,

thus, if x=5,

y=5

i think its D but i am not 100%

Answer:

0.24 pounds

Or

3.84 ounces

Step-by-step explanation:

0.8 x 0.3 = 0.24 of a pound

The function for the points are  y = -15x - 5

From the information given, we have that;

The points are;

(1/3,0) (-2 3/4,0) and (0,-5)

Using the point-slope form of a linear equation, we have;

y - y₁ = m(x - x₁)

Such that;

Using (1/3, 0) and (0, -5), we have that the slope is;

m = (0 - (-5))/0 -1/3)

expand the bracket

= 5 / (-1/3)

= -15

Now, take any of the given points and substitute the values

Using (1/3, 0), we get;

y - 0 = -15(x - 1/3).

y = -15x - 5.

Learn more about functions at: https://brainly.com/question/25638609

#SPJ1

The function for the points solved by  (1/3,0) (-2 3/4,0) and (0,-5) solved by point slope form is \(a=-15b-5\)

We have given the points:

(1/3,0) (-2 3/4,0) and (0,-5)

Using the formula of linear equation

\(a-\)\(a_{1}\)\(=x[b-b_{1}]\)                                                          

Where we will consider (1/3,0) = \(a-a_{1}\) and (0,-5) = \(b-b_{1}\)

that is 1/3 = \(a\), 0 = \(a_{1}\) and

0 = \(b\), -5 = \(b_{1}\)

\(x\) refers to the slope of line (take any variable)

Now for finding the value of \(x\),

\(x=a-a_{1}/b-b_{1}\)

inserting the values,

\(x=[0-[-5]]/[0-1/3]\\x= -15\)

Substitute the value of \(x\) in the equation

\(a-0=-15[b-1/3]\)

By simplifying the equation, we get

\(a=-15b-5\)

To know more about functions and points:

https://brainly.com/question/30721594

Answer:

-250

Step-by-step explanation:

If the value of each card is -50 and Max has 5 cards. To find the points Max has you multiply -50(the value of one card) by 5(the number of cards Max has). The answer is -250 because when multiplying a negative and a positive the answer you get is a negative

HOPE IT HELPED

Answer: -250 points

When you multiply a positive and negative, you always get a negative.

-50 x 5 = -250

Answer:

Option #4

Step-by-step explanation:

Expand option #4

=-3(1-2x)

=-3 -2x*-3

=-3+6x which is what your original equation was.

Answer:

its length can be 23 and its width can be 6

Step-by-step explanation:

3 times of 6 is 18+5=23.

there are many answers for this question

Answer:

Price per large envelope = $1.42 (option A)

Price of each postcard = $0.35 (not asked for in this specific question)

Step-by-step process for solution given below

Step-by-step explanation:

The first thing to do for this problem and other similar problems is to set up the system of linear equations to be solved

We start with the unknowns and provide variable names for these unknowns

There are two unknowns here - the cost of each postcard and the cost of each large envelope

Let
x = cost of one postcard

y = cost of one large envelope

Customer 1 bought 14 postcards(cost = 14x) and 5 envelops(cost = 5y) for a total cost of $12

We can set up this as an equation:
12x + 5y =  12    ............ [1]

Customer 2  bought 10 postcards(cost = 10x) and 15  envelops(cost = 15y) for a total cost of $24.80
This translates to the following equation:
10x + 15y = 24.80 .... [2]

Let's re-write these equations one below the other for easier solution:

\(\begin{amatrix}14x+5y=12\dots[1]\\ 10x+15y=24.8\dots[2]\end{amatrix}\)

Solving by substitution:
From any one of the above equations, express one variable in terms of the other variable and substitute for that variable in the other equation to solve.

Take equation [1]
\(14x+5y=12\)

Let's express x in terms of y.

Move 5y to the right:
\(14x=12-5y\)

\(x =\dfrac{12-5y}{14}\)

Use this expression in y for x in equation [2]

\(10x + 15y = 24.8\\\\\implies 10 \cdot \dfrac{12-5y}{14}+15y=24.8\\\\\implies \dfrac{\left(12-5y\right)\cdot \:10}{14} + 15y = 24.8\\\\\implies \dfrac{\left(12-5y\right)\cdot \:10}{14} + 15y = 24.8\\\\\)

Multiply throughout by 14:
\(14 \cdot \dfrac{\left(12-5y\right)\cdot \:10}{14} + 14\cdot 15y = 14 \cdot 24.8\\\\(12-5y)10 + 210y = 347.2\\\\120 - 50y + 210y = 347.2\\\\120 + 160y = 347.2\\\\160y = 347.2- 120\\\\160y = 227.2\\\\y = \dfrac{227.2}{160}\\\\y = 1.42\)

Substitute y = 1.42 in equation \(x=\dfrac{12-5y}{14}\)
\(x=\dfrac{12-5\cdot \:1.42}{14}\\\\x = 0.35\\\\\)

So the cost of each large envelope was $1.42 and cost of each postcard was $0.35

Answer is option A

Solve by elimination

The idea here is to get the coefficients of one of the variables the same in both equations by multiplying / dividing one or both of the equations by some factor and then add/subtract to isolate the other variable and solve

For equations 1 and 2 do the following

Subtract the equations:
\(70x+105y=173.6\\-\\70x+25y=\;\;\;\;\;60\\\\\)
-------------------------------
\(80y=113.6\)

y = 113.6/80 = 1.42 as before

Substitute for y in equation 1 and solve for x
14x + 5y = 12 => 14x + 5(1.42) = 12

=> 14x + 7.1 = 12

=> 14x = 12 - 7.1

=> 14x = 4.9

=> x = 4.9/14 = 0.35 as before

I personally prefer solving by elimination since solving by substitution involves heavy duty fractional expressions