2 years ago

What is 18+5-y.this is first question

Mathematics

1 answer:

UkoKoshka [18]2 years ago

8 0

Answer:

y = 23

Step-by-step explanation:

Add the numbers:

18 + 5 - y

= 23 - y

Rearrange terms:

y = 23

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Yakvenalex [24]

You multiply the number by itself however many times it says for example 2 to the second power 2x2 is 4

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3 years ago

Solve for m in V = 3x + 2m - y.

jok3333 [9.3K]

Answer:

$\large\boxed{m=\dfrac{V+y-3x}{2}}$

Step-by-step explanation:

$3x+2m-y=V\qquad\text{add}\ y\ \text{to both sides}\\\\3x+2m-y+y=V+y\\\\3x+2m=V+y\qquad\text{subtract}\ 3x\ \text{From both sides}\\\\3x-3x+2m=V+y-3x\\\\2m=V+y-3x\qquad\text{divide both sides by 2}\\\\\dfrac{2m}{2}=\dfrac{V+y-3x}{2}\\\\m=\dfrac{V+y-3x}{2}$

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3 years ago

When seven is subtracted from half of a number, the result is negative three. Find the number

Harlamova29_29 [7]

Answer:

Step-by-step explanation:

0.5x-7=3

add 7 to both sides

0.5x=4

multiply both sides by 2

x=8

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2 years ago

I NEED THIS ASAP!!! What is GC?

umka21 [38]

9514 1404 393

Answer:

D. 14

Step-by-step explanation:

Point G divides each median into parts that have the ratio ...

short : long = 1 : 2

Then ...

GD : GC = 1 : 2 = 7 : 14 . . . . . . . . multiply the ratio by 7

GC = 14

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3 years ago

Anybody know how to do this??

jolli1 [7]

The answer is A or the first on you might say, hopes this helps ya!

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3 years ago