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AleksandrR [38]
3 years ago
12

Hellllllllllllllllp points if you answeer correctly

Mathematics
1 answer:
sp2606 [1]3 years ago
4 0

Answer:

the answer will be [-3/4,1/2]

Step-by-step explanation:

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Simplify V-16<br> a. -8i <br> b. -4i <br> c. 4i <br> d. 8i
Lena [83]

Answer:

C. 4i

Step-by-step explanation:

√-1 is imaginary number i

Step 1: Write expression

√-16

Step 2: Factor

√-1 · √16

Step 3: Simplify

i · 4

4i

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VERY VERY VERY VERY VERY URGENT!!?!!???<br><br><br> These triangles are similar.<br> True<br> False
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True

Step-by-step explanation:

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The end of the rain gutter has the shape of a trapezoid with the measurements shown. Find the area of this end.
sladkih [1.3K]
Area = 1/2 × (Sum of parallel sides) × height

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3 years ago
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A game decreases in price by 1/3 . After the reduction it was priced £32. What was the original price of the game
a_sh-v [17]

Answer:

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Step-by-step explanation:

it 32 x 3

7 0
3 years ago
116. use what you know about the area and circumference of circles to answer the questions below. show all work. leave answers i
True [87]

Answer:

28π and 196π

10π and 25π

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A = C/4π

Step-by-step explanation:

The circumference of a circle is the distance around the edge of the circle. To find the circumference, we use the formula C = 2πr. The area of the circle is the amount inside the circle and is found using A = πr². Substitute the relevant values in each situation into the formulas to find the circumference and area.

if the radius of a circle is 14 units, what is its circumference? what is its area?

Substitute r = 14.

C = 2πr = 2π(14) = 28π

A = πr² = π(14)² = 196π

if a circle has diameter 10 units, what is its circumference? what is its area?

Substitute r = 5.

C = 2πr = 2π(5) = 10π

A = πr² = π(5)² = 25π

if a circle has circumference 100π units, what is its area?

Substitute C = 100π to find the radius. Then substitute the radius into the are formula.

C = 2πr

100π=2πr

100 = 2r

50 = r

A = πr² = π(50)² = 2500π

if a circle has circumference c, what is its area in terms of c?

Cole the circumference formula for r. Then substitute the expression into the area formula.

C = 2πr

r = C / 2π

A = πr² = π(C/2π)² = πC/4π² = C/4π

7 0
4 years ago
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