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Goshia [24]
3 years ago
7

Please help. What's the answer???

Mathematics
1 answer:
valentinak56 [21]3 years ago
6 0
I believe it is c. e. and f.
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What’s is 13.75 of 2/5
ivanzaharov [21]

Answer:

5.5

Step-by-step explanation:

Of means multiply

13.75 * 2/5

27.5/5

5.5

3 0
3 years ago
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A circle had a circumference of 28.26 units what is the diameter of the circle
kolezko [41]

Answer:

9

Step-by-step explanation:

3.14 divided by 28.26 = 9

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3 years ago
7.8x5.1= a negative or a positive
Illusion [34]

Answer:

positive

Step-by-step explanation:

it is positive

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A silo is constructed using a cylinder with a hemisphere on top. The circumference of the hemisphere and the circumference of th
givi [52]
1. The surface that will be exposed to the rain is the lateral surface of the cylinder and the hemisphere.

2. The lateral area of the cylinder is a rectangle with height equal to the height of the cylinder and width equal to the circumference of the base of the cylinder.

3. the circumference of the base = 2\pir=2*\pi*5=10\pi
so the lateral area = 10\pi*h=10\pi*40=400\pi (ft^{2})

4. The surface area of a sphere is 4 \pi  r^{2}
so the surface of the hemisphere = \frac{1}{2} *4 \pi r^{2}=2 \pi (5)^{2}=50 \pi(ft^{2})

5. Total area exposed = 450\pi ft^{2}
4 0
3 years ago
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What are the angle measurements of 6x + 1° = 3x + 11°
hodyreva [135]

Answer:

x=3\frac{1}{3}^\°

Step-by-step explanation:

Given equation:

6x+1\°=3x+11\°

To find the angle measure of x   

Solution:

In order to find the angle measure x , we will isolate x on left side by carrying out math operations on both sides.

We have:

6x+1\°=3x+11\°

Subtracting both sides by 3x  

6x-3x+1\°=3x-3x+11\°

 3x+1\°=11\°

Subtracting both sides by 1°.

3x+1\°-1\°=11\°-1\°

3x=10\°  

Dividing both sides by 3.

\frac{3x}{3}=\frac{10\°}{3}

x=\frac{10}3}^\°

Converting fraction to mixed number by dividing and writing the quotient as whole number and the remainder as numerator.

∴  x=3\frac{1}{3}^\°  (Answer)

7 0
3 years ago
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