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ollegr [7]
3 years ago
5

I need these answers in 5 MINUTES PLZ HELP

Mathematics
1 answer:
larisa [96]3 years ago
7 0

Answer:

30? I might be wrong soooo

Step-by-step explanation:

15*2=30

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No link just right answer
stiv31 [10]
1/8

Explanation:
Volume of a cube formula: V=s^3 or s•s•s
s=1/2
V= (1/2)^3
=1/8
3 0
3 years ago
What is the surface of the prism?
jasenka [17]

<u>Given </u><u>:</u><u>-</u>

  • Length :- 8m
  • Width :- 10
  • Height :- 10m

<u>To </u><u>find</u><u> </u><u>:</u><u>-</u>

  • Surface area

<u>Solution</u><u> </u><u>:</u><u>-</u>

formula for Surface Area = 2(LW + WH + HL)

  • putting the known values,

Surface Area = 2(8×10 + 10×10 + 10×8) m²

<u>Surface</u><u> Area</u><u> </u><u>=</u><u> </u><u>2</u><u>(</u><u>2</u><u>6</u><u>0</u><u>)</u><u> </u><u>m²</u>

<u>Surface</u><u> Area</u><u> </u><u>=</u><u> </u><u>5</u><u>2</u><u>0</u><u>m</u><u>²</u><u> </u><u>(</u><u> </u><u>Option</u><u> </u><u>C</u><u>)</u>

4 0
2 years ago
PLZZZZZZ HELP!!!!!!!!!!!!!!!!!!!
ANTONII [103]

Answer:

12 cm

Step-by-step explanation: i think if its not im sorry

8 0
3 years ago
The height of a ball kicked in the air is modeled by the equation h(t) = -2t^2 +8t +24, where h is the height of the ball in fee
Setler79 [48]

Answer:

Step-by-step explanation:

The rate of change in any function is the slope of the line between 2 points. Our points are t = 2 and t = 5. But we know that the slope formula also involves the h's for each of those t's. We need to find them first. The slope formula is

m=\frac{y_2-y_1}{x_2-x_1}, but for us it will look like this (fittted to our needs):

m=\frac{h_2-h_1}{t_2-t_1}. So we need to find those h's.

when t = 2, plug in a 2 for t and solve for h.

Therefore, h(2)=-2(2)^2+8(2)+24 and

h(2) = 32 and in coordinate form, (2, 32).

When t = 5, plug in a 5 for t and solve for h.

Therefore, h(5) =-2(5)^2+8(5)+24 and

h(5) = 14 and in coordinate form, (5, 14). Now we can plug into our slope formula:

m=\frac{14-32}{5-2}=\frac{-18}{3}=-6 , choice B.

The rate of change is -6 which, in words, means that the ball fell 6 feet every 1 second it fell.

5 0
3 years ago
What is the measure,in degrees,of the shaded angle?
Drupady [299]
First turn this into an equation
7x+8x+44.4=180
Now collect like terms
15x+44.4=180
Next take away 44.4 from 180
15x=135.6
Finally divide 135.6 by 15
x=9.04

To calculate the shaded angle substitute 9.04 for x
8x=8×9.04
8x=72.32

The shaded angle is 72.32°

8 0
3 years ago
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