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slega [8]
3 years ago
6

How can you show that a + 2 = 5 is equivalent to a = 1

Mathematics
2 answers:
lawyer [7]3 years ago
7 0

Answer:

a+2=5 is not equivalent to a=1

in this situation a must equal 3 for the equation to be true.

Step-by-step explanation:

oksian1 [2.3K]3 years ago
4 0

Step-by-step explanation:

You cant because a=3

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Quadrilateral MBPV is similar to quadrilateral GKDF. BP = 78 mm, KD = 30 mm , and FD = 45 mm. What is VP? Enter your answer in t
vlada-n [284]

Answer:

  VP = 117 mm

Step-by-step explanation:

Corresponding sides of similar quadrilaterals are proportional.

  VP/FD = BP/KD

  VP = FD·BP/KD = (45 mm)·(78/30) . . . . multiply by FD; fill in the givens

  VP = 117 mm

4 0
3 years ago
How do you calculate 15-(37+8)÷3
Lorico [155]
PEMDAS

15-(37+8)/3
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2 years ago
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2a + 2b = c for b<br> Solve for b
Leokris [45]

2a + 2b = c

Subtract 2a from both sides

2b = -2a + c

Divide both sides by 2

b = -a + (c/2)

7 0
3 years ago
Y= x^2 -5 solve for x
dexar [7]

Y= x^2 -5

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Y= x^2 -5

Lets start by removing -5

Add 5 on both sides

y + 5= x^2 -5 + 5

y + 5= x^2

Now to isolate x , we need to remove the square from x

To remove square , take square root on both sides

+-\sqrt{y+5} = \sqrt{x^2}

square and square root will get cancelled

+-\sqrt{y+5} = x

So x = +\sqrt{y+5} and  x = -\sqrt{y+5}


7 0
3 years ago
Is -8 rational or irrational number
kicyunya [14]

Answer:

rational number

Step-by-step explanation:

A rational number can be expressed in the form

\frac{a}{b} , where a and b are integers

- 8 = \frac{-8}{1} ← a rational number

8 0
3 years ago
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