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vodka [1.7K]
3 years ago
9

Katie leans a 12-inch ruler against a stack of books that is 7 inches high. The ruler leans in such a way that the tip of the ru

ler lies right above the edge of the book. Estimate the angle formed where the ruler touches the desk. Round the answer to the nearest hundredth.
Mathematics
2 answers:
Over [174]3 years ago
4 0
1.74 would be the awser but dont for get to round yr awsers
Vinvika [58]3 years ago
3 0
B. 35.69 

mark as brainiest please and thank you.
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The volume of a CONE-shaped hole is 75pi ft cubed. If the hole is 9 feet deep, what is the radius of the hole?
Arturiano [62]

Answer:

The radius of hole is 5 feet

Step-by-step explanation:

Depth of conical hole = 9 feet

Let the radius of hole be r

Volume of conical hole =\frac{1}{3} \pi r^2 h

So, Volume of conical hole =\frac{1}{3} \pi \times r^2 \times 9

We are given that volume of a CONE-shaped hole is 75pi ft cubed.

So,\frac{1}{3} \pi \times r^2 \times 9=75 \pi

\frac{1}{3} \times r^2 \times 9=75

r^2=\frac{75 \times 3}{9}

r=\sqrt{\frac{75 \times 3}{9}}

r=5

Hence The radius of hole is 5 feet

6 0
3 years ago
Simplest form of 6 3/8 + 7 5/6 =
strojnjashka [21]

Step-by-step explanation:

first, add the whole numbers

6 + 7 = 13

then the fractions

3/8 + 5/6

we need to get common denominators

do you know how to do that

6 0
2 years ago
Renee can see a 25 square foot quilt in 16 hours. Genera can sew the same size quilt in 12 hours. How long would it take them to
scoundrel [369]

28 hours because they are too long from each other

3 0
3 years ago
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Find the number of ways 4 members from a family of 5 can line up for a photo shoot?
Ira Lisetskai [31]
They can line up 20 different ways

6 0
3 years ago
On Saturday, Lukas drove 4x – 5 miles. On Sunday, he drove 3x – 10 miles. What is the difference in miles driven?
Soloha48 [4]

Answer:

C

Step-by-step explanation:

(4x-5) - (3x-10) = ?

(4x-5) - 1 (3x-10) = ? DISTRIBUTE THE INVISIBLE -1 to (3x-10)

Turns into: 4x - 5 - 3x + 10

Which equals: x + 5

8 0
3 years ago
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