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olasank [31]
3 years ago
15

State the two quantities that are being compared in each rate. Then calculate the equivalent unit rate.

Mathematics
1 answer:
stealth61 [152]3 years ago
6 0
101.25 dollars are being compared to 9 hours. The unit rate is 11.25 dollars
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Add and subtract polynomials
Xelga [282]
(w^2+5w) + (2w^2 +w +7)
 when adding or subtracting polynomials, just combine the like terms from each set:

w^2 + 2w^2 = 3w^2

5w +w = 6w

so you would have : 3w^2 + 6w + 7

4 0
3 years ago
jared has two cakes that are the same size. The first cake was chocolate, which he cut 12 equal parts. The second cake was marbl
Simora [160]

1 marble = 2 chocolate

3 marble = 6 chocolate

They only ate 5 chocolate slices so they ate more marble.

6 0
3 years ago
I don’t know how to solve this
sleet_krkn [62]

9514 1404 393

Answer:

  x ∈ (-∞, 9) U (-1, ∞)

Step-by-step explanation:

Get the absolute value by itself. Do that by multiplying by 4.

  |3x +15| > 12

This resolves to two cases:

<u>3x +15 > 12</u>

  x +5 > 4 . . . . divide by 3

  x > -1 . . . . . . .subtract 5

<u>-(3x +15) > 12</u>

  x +5 < -4 . . . . divide by -3

  x < -9 . . . . . . . subtract 5

Then the solution in interval notation is ...

  x ∈ (-∞, 9) U (-1, ∞)

6 0
3 years ago
Which expression is equivalent to 2 (t-4) +1. A 2t-5 B.2t-7 C. 2t-9 D. 2t -3
seraphim [82]

Answer: 2t + -8

Step-by-step explanation: Let's simplify this problem using the distributive property.

The first thing we want to do is change this minus to plus a negative.

Now we can distribute or multiply this 2 times

each of the terms inside the set of parentheses.

So we get 2(t) + 2(-4) and this simplifies to 2t + -8.

2t + -8 is the same thing as 2t -8.

8 0
3 years ago
Solve the equation for y. Then find the value of y for each value of x. <br><br> y+2x=5; x= -1, 0, 4
antiseptic1488 [7]

Answer:

y = 3, y = 5, y = -1

Step-by-step explanation:

What you do is you substitute the x values into the x.

<em>y + 2(-1) = 5</em>

<em>y + -2 = 5</em>

y = 3

<em>y + 2(0) = 5</em>

y = 5

<em>y + 2(4) = 5</em>

<em>y + 6 = 5</em>

y = -1.

7 0
3 years ago
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