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Harman [31]
3 years ago
8

Find the area of the polygon to the nearest tenth

Mathematics
1 answer:
Ket [755]3 years ago
7 0
Um I can't answer the question without a image...
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. All CD’s are on sale for 20% this week. The CD is $9.99. What is the original price of the CD?
yan [13]

Answer:

$12.49

Step-by-step explanation:

9.99 divided by .8

5 0
2 years ago
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Explain the distance formula. Then use it to calculate the
Alex777 [14]

Answer:

dAB=10\ units

Step-by-step explanation:

we know that

The <u>distance formula</u> is derived by creating a triangle and using the Pythagorean theorem to find the length of the hypotenuse. The hypotenuse of the triangle is the distance between the two points

The formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

A(1, 1) and B(7, −7)

Let

(x1,y1)=A(1, 1)

(x2,y2)=B(7, −7)

substitute the given values in the formula

dAB=\sqrt{(-7-1)^{2}+(7-1)^{2}}

dAB=\sqrt{(-8)^{2}+(6)^{2}}

dAB=\sqrt{64+36}

dAB=\sqrt{100}

dAB=10\ units

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3 years ago
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Which statement is true regarding the graphed functions?
RoseWind [281]

Answer:c. F(2)=g(-2)

Step-by-step explanation:

4 0
3 years ago
Find m&lt;AED<br> help me with this hurry!!!
Nataly_w [17]

First lets find the value of x. We can do this by making m∠AEB and m∠DEC equal to each other in an equation because they are vertical angles (vertical angles are equal to each other).

Your equation should look like this: m∠AEB = m∠DEC

Plug in the values of m∠AEB and m∠DEC into the equation. Now your equation should look like this:

(3x + 21) = (2x + 26)

Subtract 2x from both sides.

x + 21 = 26

Subtract 21 from both sides.

x = 5

Now plug 5 for x in either ∠AEB or ∠DEC; I will plug it into ∠AEB.

m∠AEB = 3(5) + 21

15 + 21 = 36

m∠AEB = 36°, now since ∠AEB and ∠AED are forming a straight line, this means they are supplementary so they must add up to 180 degrees.

Make m∠AEB and m∠AED add up to 180 in an equation and solve for m∠AED.

36 + m∠AED = 180

Subtract 36 from both sides.

m∠AED = 144°

4 0
3 years ago
Help please to find the stuff
bekas [8.4K]

Answer:

  y = (√3)/2

Step-by-step explanation:

The unit circle has equation ...

  x^2 +y^2 = 1

For x = 1/2, the value of y can be found to be ...

  (1/2)^2 +y^2 = 1

  y^2 = 1 - 1/4 = 3/4 . . . . . subtract 1/4

  y = √(3/4) . . . . . . . . . . take the square root (y > 0 here)

  y = (√3)/2

3 0
2 years ago
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