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3 years ago

I just need #2 thanks for giving your time to help me

Mathematics

1 answer:

SVEN [57.7K]3 years ago

7 0

2.
1099.99x 0.58 =637.9942
1099.99-637.9942= 461.9958
461.9958x 0.065=30.029727
461.9958-30.029727=431.967073

The answer round is 431.96

3.
42.95x1/5= 8.59
42.95-8.59 = 34.56
34.56 x 0.07=2.4192
34.56-2.4192= 32.1408
Round it is 32.14

4.
1250x0.85= 1062.5
1250-1062.5 =187.5

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3 years ago

will give brainliest! if the slope of the line through the points (a,14) and (8,a) is 1/2, what is the value of a?

castortr0y [4]

Answer:

a = 12

Step-by-step explanation:

Formula for calculating the slope of a line is expressed as;

m = ∆y/∆x

m = y2-y1/x2-x1

Given

m = 1/2

x1 = a

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x2 = 8

y2 = a

Required.

Value of a

Substitute the given parameters into the formula

1/2 = a-14/8-a

Cross multiply

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8-a = 2a-28

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-a-2a = -28-8

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a = 12

Hence the value of a is 12

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3 years ago

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4 years ago

Which equation in point-slope form describes the line through points (4, –4) and (1, 2)?

IRINA_888 [86]

Step-by-step explanation:

Given points (4 , -4) and ( 1, 2)

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= ( 2 + 4) / (1-4)

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Now

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3 years ago

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⇒ 40° + 90° + m∠O = 180°

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⇒ m∠O = 180° - 130°

⇒ m∠O = 50°

We can notice that m∠O and m∠1 form a Linear Pair (180°)

⇒ m∠O + m∠1 = 180°

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3 years ago