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mart [117]
3 years ago
12

Which of the expressions below are equal to 3x + 9y + 15? Select all that apply.

Mathematics
1 answer:
devlian [24]3 years ago
5 0
Answer:
C) 3(x + 3y + 5)
D) 3x + 3(3y +5)
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Larry’s family made a donation to the library. His mom gave half as much as larry. His dad gave 5 times as much as Larry’s siste
storchak [24]

Answer:

The family donated $52.50

Step-by-step explanation:

Larry's mom donated $7.50 ($15 ÷ $2=$7.50)

Larry's dad donated $25.00 ($5 x $5=$25.00)

Larry's sister donated $5.00 ($15 - $10=$5.00)

Larry donated $15.00

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3 years ago
A prism is completely filled with 3996 cubes that have edge lengths of 13 in.
irina [24]
The answer is 148, what grade are you in that’s really easy unless you didn’t pay attention. , anyways keep up
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3 years ago
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Find the point on the line and the lines slope y+1=-3/2(x+7)
klemol [59]

Answer:

A point on the line would be (-3, -7) and the slope if -3/2

Step-by-step explanation:

We can find a point on the line by choosing any value for x and putting it in to the equation. Then we can find the y value. For the purpose of this problem, we will use x = -3.

y + 1 = -3/2(x + 7)

y + 1 = -3/2(-3 + 7)

y + 1 = -3/2(4)

y + 1 = -6

y = -7

And we can find the slope simply by looking for the number outside of the parenthesis on the right side of the equal sign (-3/2)

8 0
3 years ago
What is the equivalent to 7.4 kilograms
jenyasd209 [6]
7.4 kg = 74hg    = 740dag = 7400g = 74,000 dg = 740,000 cg = 7,400,000 mg
       hectograms dekagrams grams  decigrams     centigrams        milligrams

Now which equivalent were you looking for?
6 0
3 years ago
What number must be entered into the blank so that the equation has infinitely many
Nataliya [291]

Answer:

0

Step-by-step explanation:

because 0 well do nothing to the numbers

8 0
3 years ago
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