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Anni [7]
3 years ago
14

Sheila turned on two buzzers at the

Mathematics
1 answer:
kozerog [31]3 years ago
8 0
5 times because 60÷12 = 5
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If a car is going 100 m/s and slows down to 50 m/s in 20 s, what is the rate<br> of acceleration?
Levart [38]
The unit rate is 1:50. I did the math but I’m just guessing because you didn’t put any choices
3 0
3 years ago
What is the midpoint of a line segment with the endpoints (-4,-3) and (7,-5)?O A. (-3.5, 1)O B. (1.5,-4)O c. (-4,1.5)O D. (1.-3.
Dvinal [7]

SOLUTION:

Step 1:

In this question, we are given the following:

What is the midpoint of a line segment with the endpoints (-4,-3) and (7,-5)?

A. (-3.5, 1)

B. (1.5,-4)

C. (-4,1.5)

D. (1.-3.5)

Step 2:

The midpoint of a line segment with the endpoints (-4,-3) and (7,-5) is:

\begin{gathered} (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}) \\ =\text{ (}\frac{-4+7}{2},\frac{-3+(-5)}{2}) \\ =\text{ (}\frac{3}{2},\frac{-8}{2}) \\  \end{gathered}

=\text{ (1. 5 , -4 ) --- OPTION B}

4 0
1 year ago
The O'Brien's are building a rectangular deck around the outside of their circular pool.
Lera25 [3.4K]

A:

Width of the deck = 2x+3 units

Length of the deck = 5x+6 units

So area of rectangular deck = Length * width

= (5x+6)(2x+3)

Area = 10x^{2}+15x+12x+18

Area= 10x^{2}+27x+18 units square

As mentioned in part B, the area of the pool is 3x^{2}+7x+6 so the combined area of the deck and pool is

Area = area of rectangular deck + area of pool

= 13x^{2}+34x+24 unit square


B:

The area of only the deck is 10x^{2}+27x+18 unit square



5 0
3 years ago
An action movie production team needs glass spheres to hold a green liquid that looks like an explosive. If all of the available
LuckyWell [14K]
Since all the volume of the liquid will be contained by all 30 spheres then,
30 V = 3392.92

where V is the volume of each sphere
Solving for V
V = 113.0973

The formula for the volume of the sphere is:
V = (4/3) π r³

Since diameter, D = 2r
V = (4/3) π (D/2)³
V = (4/3) π (1/8) D³
V = (1/6) π D³

Since V = 113.0937
113.0937 = (1/6) π D³
D = 6

Therefore, the diameter is 6 inches (THE THIRD OPTION)
6 0
3 years ago
Read 2 more answers
Help me I really cant figure this out <br> 5(7 − 4)2 ÷ 3 + 11.
Stella [2.4K]

Answer:

21

Step-by-step explanation:

PEMDAS

3 0
3 years ago
Read 2 more answers
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