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3 years ago

PLEASE HELP with this question i don’t understand.

Mathematics

1 answer:

andriy [413]3 years ago

8 0

Answer:

D. -5

Step-by-step explanation:

3(-5)-4 = -11

-10 is greater than -11

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In order for the parallelogram to be a square, x = [?]. 4x + 17 12x - 23

AfilCa [17]

Answer:

x = 5

Step-by-step explanation:

4x + 17 = 12x - 23

23 + 17 = 12x - 4x

40 = 8x

8 8

5 = x

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3 years ago

Hannah was asked to make d the subject of the formula d-7=4d+3/e Finish her question.

tigry1 [53]

Answer:

$d = \frac{-1}{e} - \frac{7}{3}$

Step-by-step explanation:

In order to make d the subject of the formula, you need to isolate it.

- You started with d-7 = 4d + 3/e

- Move 4d to the left side by subtracting 4d from both sides to cancel it from the right so you have...

d - 7 = 4d + 3/e This will leave you left with -3d - 7 = 3/e

-4d -4d

- Then move over the -7 by adding 7 to both sides...

-3d - 7 = 3/e This will leave you left with -3d = 3/e + 7

+7 +7

- Finally to get d by itself divide both sides of the equation by -3 and you'll be left with...

$d = \frac{3}{-3e} -\frac{7}{3}$

- You can cancel out the 3 in the -3/3e and make it -1/e so your final answer will be

$d = \frac{-1}{e} - \frac{7}{3}$

5 0

3 years ago

When x 4, y = 1 х^2 + Зry — 7у^2 Can you explain the whole answer.

sineoko [7]

I couldn’t really understand the question but i did 4squared + 3r(1) - 7(1)squared and i got -33 + 3r

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3 years ago

The positive acute angle formed by the _____ side of an angle in standard position and the x-axis is called a reference angle.

Helga [31]

Answer:

option-C

terminal

Step-by-step explanation:

We know that

reference angle is between terminal side and x-axis

so, the other side will be terminal position

so, we can write as

The positive acute angle formed by the terminal side of an angle in standard position and the x-axis is called a reference angle.

So,

option-C

terminal

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3 years ago

Full-time ph.d. students receive an average of $12,837 per year with a standard deviation of $3000. find the probability that th

Ainat [17]

It is about 41.4% according to my TI-83/84 calculator.

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3 years ago