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Lady_Fox [76]
3 years ago
15

Find the exact area of a circle with a diameter of 5 yards. Use 3.14 for pi.

Mathematics
1 answer:
asambeis [7]3 years ago
8 0

Answer:

19.625

Step-by-step explanation:

Area is pi x r^{2} so 3.14 x 2.5^{2} = 19.625

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Estimate the values to complete the table.
lbvjy [14]

Answer:

Step-by-step explanation:

For angle C,

cos(∠C) = \frac{\text{Adjacent side}}{\text{Hypotenuse}} = 0.97

sin(∠C) = \frac{\text{Opposite side}}{\text{Hypotenuse}} = 0.26

tan(∠C) = \frac{\text{Adjacent side}}{\text{Adjacent side}} = 0.27

Therefore, from the triangle ABC,

cos(∠A) = cos(90° - ∠C)

             = sin(∠C)

             = 0.26

sin(∠A) = sin(90 - ∠A)

            = cos(∠A)

            = 0.97

tan(∠A) = \frac{\text{sinA}}{\text{cosA}}=\frac{0.97}{0.26}

            = 3.73

Angle        \frac{\text{Adjacent side}}{\text{Hypotenuse}}                 \frac{\text{Opposite side}}{\text{Hypotenuse}}                    \frac{\text{Opposite side}}{\text{Adjacent side}}

  A                    0.26                       0.97                             3.73

3 0
3 years ago
Luis wants to buy a skateboard that usually sells for $79.57. All merchandise is discounted by 12%. What is the total cost of th
djverab [1.8K]
79.57 times 12% = 70.02
70.02 times 7.75% = 5.43
70.02 plus 5.43 = 75.43
3 0
3 years ago
Read 2 more answers
-2-3(5x+7)<br> May someone be able to help me with this equation
Xelga [282]

Answer: -15x - 23

Step-by-step explanation:

There u go- Lily ^_^

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3 years ago
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scoray [572]

Answer:

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Step-by-step explanation:

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v² = u² + 2as

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10000/9 = (200/3t)(800/9)

200/3t = 12.5

t = 5⅓ seconds

a = 6.25

8 0
3 years ago
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