4 years ago

10 points I really need help can you write it out

Mathematics

1 answer:

rodikova [14]4 years ago

6 0

Answer: 125 inches

Step-by-step explanation:

8 3/4 x 2 6/7 = 25

25 x 5 = 125

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Calculate the time period of a pendulum if it completes 46 oscillations in 20 seconds.

Arada [10]

Answer:

0.44 seconds

Step-by-step explanation:

Time period is the time duration for completing one oscillation:

T = 20/46 ≈ 0.44 seconds

Answer is 0.44 seconds

7 0

4 years ago

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Q 12 plz anyone can solve

Contact [7]

A, B, C, D form a complete circle which is 360 degrees.

Add all 4 together:

A + 2A + 4A+ 3A = 360

10A = 360

Divide both sides by 10:

A = 360/10 = 36

Now we know A so can calculate the rest:

B = 2A = 2(36) = 72 degrees

C = 4A = 4(36) = 144 degrees

D = 3A = 3(36) = 108 degrees

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3 years ago

∠E and ∠F are vertical angles with m∠E=9x+12 and m∠F=3x+24 . What is the value of x? Enter your answer in the box. x =

e-lub [12.9K]

The vertical angles are congruent (have the same measures).

Therefore you have the equation:

∠E = ∠F → 9x + 12 = 3x + 24 |-12

9x = 3x + 12 |-3x

6x = 12 |:6

x = 2

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3 years ago

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Elena wants to put a new layer of soil in her garden. She needs to know the area of her garden so that she knows how much soil t

tigry1 [53]

l = length

w = width

Area of a rectangle = l * w

Plug our numbers in

A = 14m * 6m.

Multiply the two values together

A = 84 square meters

She needs to cover 84 square meters of her garden

8 0

3 years ago

All of these pleaseeeeeeeeee

kenny6666 [7]

Solving Two- Step Equations:
First you have to add or subtract the number without the variable, x, then divide with the variable with x in it.

1.) -2 - 2=26
Answer: x= -14
Try some on your own, if you still need help comment back!

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3 years ago