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valina [46]
3 years ago
10

After stepping into a room with unusual lighting, Bridgette's pupil has a radius of 3 millimeters. What is the pupil's diameter?

Mathematics
1 answer:
loris [4]3 years ago
5 0
The diameter is 6 millimeters wide. Radius is half of the diameter so you would multiply the radius by 2. This leaves us with 3 x 2 = 6
Hope this helps!
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A and b are two similar solids. the volume of a is 400cm^3<br> work out the volume of b
madam [21]

Answer:

1350 cm³

Step-by-step explanation:

we have given that,

• Height of A = 10 cm.

1350

• Volume of A = 400cm³.

• Height of B = 15 cm.

• Both A and B solids are similar.

from above told concept we get,

→ V(A) / V(B) = (Height of A)³ / (Height of B)³

Putting all given values we get,

→400/ V(B) = (10)³/(15)³

→400/V(B) = (1000/3375)

→ V(B) = (400*3375) / 1000

→ V(B) = (4 * 3375) / 10

→ V(B) = 1350 cm³. (Ans.)

Hence, Volume of B will be 1350 cm³.

7 0
3 years ago
-6n-2n=16 <br><br><br> This isn't urgent
dezoksy [38]
I’m pretty sure n = -2

5 0
3 years ago
What is 150% of 20? ​
Galina-37 [17]

Answer:

30

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Jacob's little brother thinks that he could design a better lion enclosure than the one he sees at the zoo. He makes a drawing o
abruzzese [7]

Answer:

Step-by-step explanation:

<u><em>Length</em></u>

1 inch = 25 feet

7 1/4 inches = x feet

1 * x = 25 * 7 1/4

x = 25 * 7.25

Length = 181.25 feet

The length is 181.25

<em><u>hypotenuse length</u></em>

The diagonal = 10 1/2 inches

The diagonal = 10.5 inches

hypotenuse = 10.5 * 25 = 262.5 feet

<em><u>Width</u></em>

L^2 + W^2 = Diagonal^2

181.25² + W² = 262.5²

32851.5625 + W²  =  68906.25   Subtract 32851.5625 from both sides

W² =  68906.25 - 32851.5625

W^2 = 36054.6875                       Take the square root of both sides

W = 189.88

<u><em>Area</em></u>

Area = L * W

Area = 181.25 * 189.88

Area = 34415.88 square feet.

3 0
4 years ago
The measures of 13 of the 14 angles of a 14−gon add up to 2,016°. What must the fourteenth angle measure be?
Ainat [17]

Answer:

x = 155 \frac{1}{13} or 155 1/3 degrees. If you want a decimal, 155.076923 degrees.

Step-by-step explanation:

2,016 is the sum of 13 identical numbers. Let's say the unknown number is x. We'll now write an equation to solve it.

13x = 2016

Divide both sides by 13.

x = \frac{2016}{13}

Now, I went ahead and solved this and ended up with a repeating decimal. But for your sake we'll just make it a nice mixed number.

13 goes into 2016 155 times.

Here, I'll check for you.

13 * 155 = 2015

So, if we were to turn this into a mixed number, we'd get something like this.

x = 155 \frac{1}{13}

That should be your fourteenth angle measure.

7 0
3 years ago
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