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ella [17]
4 years ago
15

I need help on number 2 and 3

Mathematics
1 answer:
ikadub [295]4 years ago
7 0
Okay so Average Rate of Change is what it says;
It's the average of the rate of change

Change can be represented by a - b, for example, if I start 2 miles away from my house and I walk until I'm 3 miles away, I can say 3 - 2 = 1, I walked 1 mile

I'm sure you know what the average is, so let's move on

We're asked to find the average rate of change between minutes 25 and 13
In minute 25, the amount of money is 19.50
In minute 13 the amount of money is 16.50

There is 12 minutes between 25 and 13, and there is a $3 difference between $19.50 and $16.50

So, if it's asking for how many minutes per 1 dollar, then we saw a change of 3 dollars over 12 minutes, divide both numbers by three and we get
1 dollar / 4 minutes
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5x − 3+ 2x = x + 7 + 6x
Masteriza [31]

Answer:

There isnt any solution.

Step-by-step explanation:

but these are the steps:

Step 1: Simplify both sides of the equation.

5x−3+2x=x+7+6x

5x+−3+2x=x+7+6x

(5x+2x)+(−3)=(x+6x)+(7)

7x+−3=7x+7

7x−3=7x+7

Step 2: Subtract 7x from both sides.

7x−3−7x=7x+7−7x

−3=7

Step 3: Add 3 to both sides.

−3+3=7+3

0=10

<h3>hope this helps</h3>

7 0
4 years ago
Knowing that 6 × 7 = 42, we know that 42 ÷ 7 = ___
tatiyna

Answer:

Knowing that 6 × 7 = 42, we know that 42 ÷ 7 = 6

Step-by-step explanation:

Sorry but its very simple question you need to try to do it by yourself

3 0
3 years ago
Read 2 more answers
Given f(x) = 3x+7, what is the output? *
sergij07 [2.7K]

Answer:

the answer to this problem would be 8.

3 0
3 years ago
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Need help please this question is very confusing i would love some help
Natali [406]

Answer:

D

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

here (h, k) = (- 3, - 6), thus

y = a(x + 3)² - 6

To find a substitute (0, 0) into the equation

0 = 9a - 6 ⇒ a = \frac{6}{9} = \frac{2}{3}

y = \frac{2}{3}(x + 3)² - 6 ← in vertex form

Expand (x + 3)² and distribute by \frac{2}{3}

y = \frac{2}{3}(x² + 6x + 9) - 6

  = \frac{2}{3} x² + 4x + 6 - 6

  = \frac{2}{3} x² + 4x  ← in standard form

7 0
3 years ago
What is <br><img src="https://tex.z-dn.net/?f=%20%7B5%7D%5E%7B2%7D%20%20%2B%203%20%5Ctimes%2016" id="TexFormula1" title=" {5}^{2
enyata [817]
The answer 73 because you is supposed to use your order of operations so in other words your supposed to use PEMDAS
6 0
4 years ago
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