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3 years ago

11

Need help how to get the answers for 1 and 2 please

1 answer:

Furkat [3]3 years ago

4 0

For question 1, you already have that answered which is correct! for question 2, your answer would be (-2, 3)!

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PLEASE HELP MEEEEEE<br><br> f(x)=4x + 5<br> f (-3)

Dafna1 [17]

Answer:

evaluate the function with -3 as x value

Step-by-step explanation:

4(-3) + 5

-12 + 5

= -7

7 0

3 years ago

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Bob withdrew money from an ATM, put the receipt in an envelope, and filled in the information in his check register.

lora16 [44]

Answer:It is important to record each transaction so Bob knows how much money is in his account. That prevents being overdrawn. Recording debits and deposits helps with budgeting. It is good to keep receipts in case of any bank errors.

Step-by-step explanation:

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3 years ago

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After taking 7 quizzes, your average is 77 out of 100. What must your average score be on the next five quizzes to increase your

Anna [14]

Answer:

89.

Step-by-step explanation:

We have been given that after taking 7 quizzes, your average is 77 out of 100. We are asked to find what average score be on the next five quizzes to increase your average to 82.

The total of 12 quizzes to get 82 would be $12\times 82=984$ .

The total scores earned by you in previous 7 quizzes are $7\times 77=539$

The total scores you need to earn on next 5 quizzes would be difference of scores in 12 quizzes and total scores in 7 quizzes as:

$984-539=445$

Now, we will divide total scores on coming 5 quizzes by 5 to find the average as:

$\text{Average score on next 5 quizzes}=\frac{445}{5}$

$\text{Average score on next 5 quizzes}=89$

Therefore, your average score on the next five quizzes should be 89 to increase your average to 82.

8 0

3 years ago

Use the graph to write an equation that represents the relationship between X and Y.

Yuki888 [10]

Answer:

The equation is $y=x-3$

Step-by-step explanation:

Observing the graph

Let

$A(3,0), B(15,12)$

step 1

Find the slope m

$m=(12-0)/(15-3)=12/12=1$

step 2

Find the equation of the line into point slope form

$y-y1=m(x-x1)$

with the point $A(3,0)$ and the slope $m=1$

substitute

$y-0=(1)(x-3)$

$y=x-3$

6 0

3 years ago

The percent of working students increased 21.7% to 8.9%, what was the percent prior to increase

blagie [28]

Answer:

Approximately 7.3%.

Step-by-step explanation:

What is percentage increase?

$\displaystyle \text{Percentage Increase} = \frac{\text{Final Value} - \text{Initial Value}}{\text{Initial Value}} \times 100\%$ .

For this question:

$\text{Percentage Increase} = 21.7\%$ ,
$\text{Final Value} = 8.9\% = 0.089$ , and
$\text{Initial Value}$ needs to be found.

Let $\text{Initial Value} = x$ .

$\displaystyle \frac{0.089 - x}{x} = 0.217$ .

Assume that $x \ne 0$ . Multiply both sides of the equation by $x$ :

$0.089 - x = 0.217x$ .

Add $x$ to both sides of the equation:

$0.089 = (1 + 0.217)x$ .

$\displaystyle x = \frac{0.089}{1 + 0.217} = 0.0731 \approx 7.3\%$ .

In other words, the initial percentage is approximately 7.3%.

4 0

3 years ago