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2 years ago

What are the coordinates of vertex A of square ABCD?

Mathematics

2 answers:

tia_tia [17]2 years ago

6 0

Answer:

D (-2,1)

Step-by-step explanation:

zlopas [31]2 years ago

5 0

The answer is D. (-2,1)

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Eight times a number is the same as 30 less than 5 times the number. Find the number?

Charra [1.4K]

Answer:

x = -10

Step-by-step explanation:

We just have to translate the problem correctly

>8 times a number is the same

this tells me that

$8x = ...$

>as 30 less than 5 times the number.

$... = 5x - 30$

Now set them equal to eachother

$8x = 5x - 30$

Now isolate the variable x

$8x - 5x = 5x - 5x - 30\\3x = -30\\x = \frac{-30}{3} = -10$

6 0

3 years ago

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What is the volume of the pyramid? 8 cm 10cm 80m 120 cm 240 cm

blsea [12.9K]

Answer:

Volume = 80 cm3

Step-by-step explanation:

The formula for pyrimads is (LWH)/3

i know you need this quick so i made it short, good luck.

7 0

3 years ago

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Which line segment is a chord of circle E in the diagram below?

Vesnalui [34]

Answer

Find out the which line segment is a chord of circle E in the diagram below.

To prove

As given

Definition of a chord

A chord is the striaght line whose endpoints are lies in the circle.

Now as shown in the diagram given in the question.

CD is the striaght line whose endpoints lies in the circle E .

Therefore CD is a chord of circle E.

Option (d) is correct.

4 0

3 years ago

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What is the value of cos^-1 (-0.26)?

zlopas [31]

Answer:

1.83381852

Step-by-step explanation:

6 0

2 years ago

max drove 460 miles in 8 hours at a constant speed. How long would it take him to drive 661.25 miles at that speed? speed=d/t Ti

Verizon [17]

Answer:

x = 11.5 hours

Step-by-step explanation:

Set up a proportion:

$\frac{460}{8}$ = $\frac{661.25}{x}$

661.25/460 = 1.4375

Multiply 8 by 1.4375 to find x:

8(1.4375) = 11.5

x = 11.5 hours

5 0

3 years ago