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DedPeter [7]
3 years ago
8

2. The number of students in a classroom is 6 more than 4 times the number of teachers. There are 15 teachers. How many students

are there?
Mathematics
1 answer:
Alexus [3.1K]3 years ago
8 0
The number of students in a classroom is 66
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The diameter of a volleyball is 8.15 inches. What is the volume of the ball, rounded to the nearest hundredth?
Nana76 [90]
<span>So we want to know the volume V of the volleyball if we know the diameter d=8.15 inches and we need to round it to the nearest hundreth. The volume of a volleyball is V=(4/3)r^3*pi, and since 2 radius are equal to the diameter we need to get the radius, so 2r=D and r=D/2 or r=4.075 inches. Now we get the volume after inputting the numbers: V=283.303032 inches^3. Rounded to the nearest hundreth: V=283.30</span>
7 0
3 years ago
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What is the equation for the line that passes through coordinates: (2,7
Agata [3.3K]

Answer:

Y=3x+1

Step-by-step explanation:

1-7/0-2=-6//-2=3

y=3x

3x x 2 = 6-7= -1

y=3x-(-1)

5 0
3 years ago
Find the factors of 9q²-45pq+8q-40p
Elina [12.6K]

Answer:

(x−5y)(9x+8)

Step-by-step explanation:

9x^2−45yx+8x−40y

Do the grouping 9x^2−45yx+8x−40y=(9x^2−45yx)+(8x−40y), and factor out 9x in the first and 8 in the second group.

9x(x−5y)+8(x−5y)

Factor out common term x−5y by using distributive property.

(x−5y)(9x+8)

5 0
3 years ago
Giving 15 points cause i rlly need help
yarga [219]
2/9 of the pizza C: if bob has 1/3 of the pizza left and he eats 2/3, then you take 2/3 of 1/3, so you multiply.
8 0
3 years ago
Draw a double number line to solve the following rate problem.
IgorLugansk [536]
The ratio here is

  3/4 cup milk                                          6 cups milk
--------------------    Now equate this to    -----------------
 1 beaten egg                                                x

Solving this equation, (3/4)x = 6, and x = 8 (eggs)   (answer)


Check:  Note that 3/4    /    1    =   6  /   8
5 0
3 years ago
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