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3 years ago

Which expression is equivalent to 3x +2(4y + X)

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

4 0

5x + 8y is the correct answer

IceJOKER [234]3 years ago

3 0

3x+ 2(4y+x)
= 3x+ 2*4y+ 2x (distributive property)
= 3x+ 8y+ 2x
= (3x+ 2x)+ 8y (combine like terms)
= 5x+ 8y

The correct answer is A. 5x+ 8y~

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V125BC [204]

Answer:

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<h2>Can you explain</h2>

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3 years ago

A track team has 4 runners on a relay team. If by coincidence each runner takes an average of 45.48 seconds to complete her leg

musickatia [10]

Answer:

181.92 seconds

Step-by-step explanation:

We are given that,

Time taken by each person in the team = 45.48 seconds

Number of members in the team = 4

It is required to find the total time taken by the team to finish the race.

Thus, the time taken taken = 4 × 45.48 = 181.92 seconds

Hence. the team finished the race in 72.4 seconds.

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3 years ago

The phone company NextFell has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of mon

rosijanka [135]

Answer:

$y = 0.35x + 35$

Step-by-step explanation:

Linear equation:

A linear equation has the following format:

$y = mx + b$

In which m is the slope and b is the y-intercept.

Finding the slope:

We have two points: (110, 73.5) and (760, 301).

The slope is given by the change in y divided by the change in x. So

Change in y: 301 - 73.5 = 227.5

Change in x: 760 - 110 = 650

Slope: $m = \frac{227.5}{650} = 0.35$

$y = 0.35x + b$

Finding the y-intercept:

(760, 301) means that when $x = 760, y = 301$ . So

$301 = 0.35(760) + b$

$b = 301 - 0.35(760)$

$b = 35$

$y = 0.35x + 35$

4 0

3 years ago

Find the slope of each line.<br> 6)

gregori [183]

Answer:

(4,7)

Step-by-step explanation:

6 0

2 years ago

Suppose a seventh graders birthday is today, and she is 12 years old. How old was she 3 1/2 years ago? Write an equation, and us

german

Answer:

he age of girl 3 $\frac{1}{2}$ years ago is 8.5 years .

Step-by-step explanation:

Given as :

The present age of seventh grader girl = 12 years

Let The age of her 3 $\frac{1}{2}$ years ago = x years

So The age of girl $\frac{7}{2}$ years ago = x years

<u>Now, According to question</u>

The age of girl 3.5 years ago = 12 - 3.5

Or, The age of girl 3.5 years ago = 8.5 years

Hence The age of girl 3 $\frac{1}{2}$ years ago is 8.5 years . Answer

4 0

3 years ago