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arsen [322]
2 years ago
11

What is the answer to 15-5x2+[4x(3+5)+8]

Mathematics
1 answer:
AlexFokin [52]2 years ago
8 0

Answer: 45

Step-by-step explanation:

I don't know if you mean the "x" as multiplication or as a variable, but I will assume it means multiplication.

First:

Calculate what is inside the brackets ( [ ] )

4x(3+5)+8

=4x8+8

=32+8

=40

Next:

15-5x2+40

=15-10+40

=5+40

=45

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WhIich of the following mathematical expressions is equivalent to the verbal expression "A number, x, squared is 39 more than th
MrRa [10]

Answer:

E. x^2 = 39 + 10x

Step-by-step explanation:

It helps to do one piece of the sentence at a time.

"A number, x, squared is 39 more than the product of 10 and x"

x

"A number, x, squared is 39 more than the product of 10 and x"

x^2 =

"A number, x, squared is 39 more than the product of 10 and x"

x^2 = 39 +

"A number, x, squared is 39 more than the product of 10 and x"

x^2 = 39 + 10x

Answer: E. x^2 = 39 + 10x

6 0
2 years ago
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What number is half way between 21 and 63?
andre [41]
The # halfway in between 21 and 63 is 42.
8 0
3 years ago
Find the area of the figure. Round to the nearest tenth
Reika [66]

Answer:

Find the area of each triangle and then add it up. As you are aware, to find the area of a triangle the equation is B times Height divided by 2.  And to make it easier do the top left triangle and the top right triangle, add them together and then divide that by 2.

Step-by-step explanation:

3 time 5 equals 15 divided by 2 equals 7.5

5 times 8 equals 40 divided by 2 equals 20

7.5 plus 20 equals 27.5

27.5 times 2 equals 55

therefor your answer should be 55m

3 0
2 years ago
Juanita is the self-employed owner of Juanita's Linens. Her estimated annual earnings are $73,040 and she expects to pay 27% of
adell [148]

Answer:

  $7724

Step-by-step explanation:

Her estimated quarterly income is $73,040/4 = $18,260.

Her estimated tax rate is ...

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This tax rate applied to her estimated earnings gives an estimated quarterly tax of ...

  $18,260 × 0.423 = $7723.98

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7 0
3 years ago
Anyone know the answer to this? Thanks :)
AnnyKZ [126]

Answer:

8/9

Step-by-step explanation:

8/9= 0.88888888889

8 0
2 years ago
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