2 years ago

HURRY! I NEED THIS ANSWER FAST!!!!

Mathematics

1 answer:

-BARSIC- [3]2 years ago

5 0

D I did this question a while back

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You observe the heights of two plants for an experiment. Plant A has a height of 8 centimeters and grows 1 centimeter each week.

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2 years ago

If 3/8 of a class is absent what percentage of the class is present

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37.5% of the class is present

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Find the sum of the measures of the interior angles of the figure.

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Step-by-step explanation:

Given figure is of HEXAGON.

the sum of the measures of the interior angles of a hexagon

$= \frac{(6 - 2) \times 180 \degree}{6} \times 6 \\ \\ = {4 \times 30 \degree} \times 6 \\ \\ = 720 \degree$

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3 years ago

What number must you add to complete the square x^2+24x=17

Arte-miy333 [17]

We have
x² + 24x = 17 (1)

Note that
(x + 12)² = x² + 24x + 144
By adding 144 to the left side of equation (1), it becomes a perfect square.

Therefore
x² + 24x = (x+12)² - 144 (2)

Substitute (2) into (1).
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(x + 12)² = 17 +144
(x + 12)² = 161

Answer:
We added 144 to the left side of equation (1) in order to make it a perfect square.

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2 years ago

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The line passes through the point (-7,-5) and has slope of -8

stira [4]

Answer:

$y=-8x-61$

Step-by-step explanation:

The slope-intercept form of the equation is y=mx+b where m is the slope and b is the y intercept. We know so far, that the slope is -8. We plug that in for m.

$y=-8x+b$