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jok3333 [9.3K]
3 years ago
7

I need all of these please help someone

Mathematics
2 answers:
Fudgin [204]3 years ago
5 0
Ok so i only did 9-18
the circles are the questions and the answers are boxed in, sorry if they are not right i tried my best to help u out

EleoNora [17]3 years ago
5 0
If u ever need more help download this app called Photomath u scan the equation and it gives u the answer and if you don’t wanna scam it u can type it in using the calculator it lets u add and, subtract, multiply, and divide fractions
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Identify the volume of the composite figure. HELP PLEASE!!
Ilya [14]

Answer:

Vol. of the composite figure is 189 m³

Step-by-step explanation:

Find the volume of the larger figure by mult. together its 3 dimensions:

V = (9 m)(8 m)(3 m) = 216 m³.

Next, find the volume of the "notch," which is (3 m)³, or 27 m³.

Finally, subtract the "notch" volume from the 216 m³ volume found earlier:

216 m³ - 27 m³ = 189 m³

4 0
3 years ago
A rectangular room is 3 3 times as long as it is wide, and its perimeter is 64 64 meters. find the dimension of the room.
lora16 [44]
Perimeter = 2L + 2W    (where L = length and W = width)

And we are given that L = 3W

So substituting for L, we have the equation:-

2(3W) + 2W = 64

6W + 2W = 64

8W = 64 

W = 8  meters

So the length = 3*8  = 24 meters

Answer:- Length = 24 m and Width = 8 m.



4 0
3 years ago
The air Temperature is -12C at sunrise and rises 4 degrees c every hour for several hours the air temperature after x hours is r
Stolb23 [73]

Let f(x) = y.

y = 4x - 12

Let x = 0

y = 4(0) - 12

y = - 12

This leads to the point (0, -12).

Let y = 0.

0 = 4x - 12

1 2 = 4x

12/4 = x

3 = x

This leads to the point (3, 0).

We now graph both points and then connect each point with a straight line.

4 0
3 years ago
Will y’all help me on num 21 thank you
bixtya [17]

Answer:

its D

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Sara has 7 cups how many does she have left over after drinking 8 cups
Lady bird [3.3K]

Answer:

-1

Step-by-step explanation:

because I said so

that's why

7 0
3 years ago
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