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shutvik [7]
3 years ago
9

Evaluate: (1⁄4)2 = ?

Mathematics
1 answer:
irakobra [83]3 years ago
5 0

1/4 is the same as 0.25, so you can do 25 × 2 = 50, and then move the decimal point two places to the left to get 0.5.

Therefore your final answer is 0.5

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A film student wants to capture a shot of a satellite dish placed at the top of a building. The line of sight between the ground
ICE Princess25 [194]

The ground, the building and the line of sight between the ground camera and the top of the building form right triangle with hypotenuse equal to 45 feet and angle adjacent to this hypotenuse and ground - 50°. The building is an opposite leg to the given angle, then you should write sine function:

\sin 50^{\circ}=\dfrac{height}{45} \\ \\ 0.766=\dfrac{height}{45}\\  \\ height=45\cdot 0.766=34.47.

The answer to the nearest tenth of a foot is 34.5 feet

6 0
3 years ago
Simplify this expression. Enter your answers in the boxes.<br><br> 8.9 – 1.4x + (–6.5x) + 3.4
densk [106]

Answer:

12.3-7.9x

Step-by-step explanation:

8.9+3.4=12.3

-1.4x+(-6.5x)=-7.9x

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What is 4 divided by 29.6 ?
11Alexandr11 [23.1K]
The answer to your question is 7.4.
8 0
3 years ago
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Rewrite the equation by completing the square.<br> x^2 + 2x – 48 = 0
slamgirl [31]

Answer:

(x+1)^2 = 49

x = 6                 x = -8

Step-by-step explanation:

x^2 + 2x – 48 = 0

Add 48 to each side

x^2 + 2x =48

Take the coefficient of x

2

Divide by 2

2/2=1

Square it

1^2 =1

x^2 + 2x +1=48+1

x^2 +2x+1 = 49

(x+1)^2 = 49

Take the square root of each side

sqrt((x+1)^2) =±sqrt( 49)

x+1 = ±7

Subtract 1 from each side

x+1-1 = -1  ±7

x = -1+7          x = -1 -7

x = 6                 x = -8

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3 years ago
5TH GRADE MATH Find the percent of increase:
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Answer:

2.4

Step-by-step explanation:

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2 years ago
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