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IgorLugansk [536]
3 years ago
5

Find the value of x in each of the following a) x + 3 = 8 b) X-5 = 7

Mathematics
2 answers:
stellarik [79]3 years ago
7 0

Answer:

a)x = 5 \\ b)x = 12

Step-by-step explanation:

a)x + 3 = 8 \\ x = 8 - 3 \\ x = 5

b)x - 5 = 7 \\ x = 7 + 5 \\ x = 12

Georgia [21]3 years ago
6 0

Answer:

a) x = 5

b) x = 12

Step-by-step explanation:

x + 3 = 8

Subtract 3 on both sides.

x = 8 - 3

x = 5

x - 5 = 7

Add 5 on both sides.

x = 7 + 5

x = 12

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When it hits the ground the height would be 0.

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T^2 -7t -9

Factor the polynomial :

( t- 8.1) (t+1.1

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T = 8.1 or t = -1.1

Time has to be positive, so the answer is

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3 years ago
Estimate how much MORE water it would take to completely FILL the vase to the top?
MariettaO [177]

Answer:

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Step-by-step explanation:

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Topic: Mensuration

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6 0
3 years ago
Fire Fighters are attempting to rescue people from the 3rd floor of a building. The
Daniel [21]

Answer:

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Step-by-step explanation:

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3 years ago
Factor the polynomial completely. 4x3 – 12x2 7x – 21 4x2(x – 3) 7(x – 3) Which is the completely factored polynomial? 4x2(x 4) 3
bixtya [17]

Answer:

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Step-by-step explanation:

This polynomial can be factored by factoring pairs of terms.

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  = 4x²(x -3) +7(x -3)

  = (4x² +7)(x -3)

__

<em>Additional comment</em>

The answer choices suggest we're not interested in irrational or complex factors. The quadratic (4x² +7) could be factored into linear terms involving irrational complex numbers. The form for "difference of squares" would be used for the purpose.

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2 years ago
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Minchanka [31]

Answer:

WHAT IS YOUR QUESTION

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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