3 years ago

Answer 17 and 18 plz

Mathematics

1 answer:

pychu [463]3 years ago

6 0

17) 25 questions on the test

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If the temperature started at 8 degrees celcius at Noon and it dropped 10 degrees over the next 5 hours

leonid [27]

Answer:

The answer is " $\bold{2^{\circ}\ C}$ "

Step-by-step explanation:

Given:

noon temperature $= 8^{\circ} C$

Total change in next 5 hours $= 10^{\circ} C$

Calculating the final temperature:

$\text{final temperature = noon temperature - changes in 5 hours}$

$= 8^{\circ} -10^{\circ} \\\\=- 2^{\circ} \ C$

8 0

3 years ago

Help please! Would mean so much to me<3

marusya05 [52]

So:
(x-4)(x+2) / (x-4)(x+4)
We cancel out the x - 4:
(x+2)/(x+4)
Restrictions: x ≠ 4, x ≠ -4

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3 years ago

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Which is a solution to the equation 6x + y = –4?

KatRina [158]

1. Make y the subject of the equation
y = -4 - 6x

2. Substitute values for guess and check
8 = -4 - (6 x 2)
8 = -4 - 12
This is incorrect.

2 = -4 - (6 x 1)
2 = -4 -6
This is incorrect.

-10 = -4 - (6 x 1)
-10 = -4 -6
This is correct.

The correct answer is C.

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3 years ago

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horsena [70]

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TiliK225 [7]

Answer:-23

Step-by-step explanation:

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3 years ago