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3 years ago

The diagram is a straightedge and compass construction. A is the center of one circle, and B is the center of the

Mathematics

1 answer:

aev [14]3 years ago

5 0

Answer:

Step-by-step explanation:

From the picture attached,

Two circles having centers A and B intersect each other at C and D.

We do a construction by joining points A and B to form a line segments AB.

From circle A,

AC ≅ AB ≅ AD [Radii of the circle A]

From circle B,

BC ≅ AB ≅ BD [Radii of the circle B]

Therefore, AC ≅ AD ≅ BC ≅ BD ≅ AB.

These segments of the quadrilateral are equal in measure.

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An item is regularly priced at $94. It is now priced at a discount of 30% off the regular price.

Vedmedyk [2.9K]

30% off an item would make that item valued at 70% of its original price

94 times 0.7 = 65.8

$65.80

4 0

2 years ago

Read 2 more answers

Alexei wants to hang a mirror in his boat and put a frame around it. The mirror and frame must have an area of 19.25 square feet

zhuklara [117]

Let

x---------> the thickness of the frame in feet

At-------> Area of the mirror and the frame in square feet

we know that

$At=19.25ft^{2}$ ------> equation $1$

$At=(3+2x)*(5+2x)\\ At=3*5+3*2x+5*2x+2x*2x\\ At=15+6x+10x+4x^{2} \\ At=4x^{2} +16x+15$ --------> equation $2$

equate equation $1$ and equation $2$

$19.25=4x^{2} +16x+15\\ 4x^{2} +16x+15-19.25=0\\ 4x^{2} +16x-4.25=0$

therefore

the answer is the option

$C. 4x2 + 16x - 4.25 = 0$

5 0

3 years ago

Read 2 more answers

What is the area of a square computer screen with 21 inch sides?

notka56 [123]

Side of the square computer screen = 21 inches
It is important to minutely read the details that are already given in the question. the most important information that is given in the question is that the computer screen ia square. Based on this information the answer to the question can be easily deduced.
Then
Area of the computer screen = (Side)^2
= (21)^2 inches square
= 441 inches^2
So the area of the square computer screen is 441 square inches. i hope the procedure is clear enough for you to understand.

6 0

3 years ago

PLEASE HELP ASAP ): 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

eimsori [14]

Answer:

c. 25

Step-by-step explanation:

(f ∘ g)(-2) = f(g(-2)) = f(-2-3) = (-5)² = 25

For this problem, it seems to work best to evaluate g(-2), then evaluate function f on that. (In other cases, it might be useful to simplify the composite function first.)

3 0

3 years ago

Simplify the following expression 4^-11/3÷4^-2/3<br>A.1/12<br>B.1/64<br>C.12<br>D.64

Goryan [66]

Question:

Simplify the following expression:

$4^{-\frac{11}{3}$ ÷ $4^{-\frac{2}{3} }$

A.1/12

B. 1/64

C.12

D.64

Answer:

B. 1/64

7 0

3 years ago