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dangina [55]
3 years ago
7

I need help with my 8th grade math

Mathematics
1 answer:
lana [24]3 years ago
6 0

Answer:

x = -2.38

Step-by-step explanation:

divide 3 to up 3x then 4 and divide them by 2.

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i just confused on what the triangular prisms volume is. i think i’m doing it correctly but online says something different.
DanielleElmas [232]

Answer:

The answer for just the triangular prism's volume is 175 inches cubed.

If you need me to add how to find the volume of the rectangular prism, please comment that you also need this then.

Step-by-step explanation:

A triangular prism's volume is equal to the base area (which is a triangle) multiplied by the length of the prism.

So find the area of the triangle and multiply it by 10 inches in this case.

So  they are going to try to confuse on the triangle here because of they give three measurements where one of them is unnecessary in the formula .5bh.

The b and h represent the base and height respectively. The base and height of a triangle when intersected form 90 degree angle.

So we are using the 5 inches and 7 inches for it's height and base respectively.

The 9 inches is unnecessary in the calculation.

The volume if the triangular prism is found by doing .5(7)(5) times 10. The answer is in inches cube since inches*inches*inches=inches cubed or in^3.

.5(7)(5)(10)

.5(10)(7)(5)

(5)(35)

175

The answer for just the triangular prism's volume is 175 inches cubed.

If you need me to add how to find the volume of the rectangular prism, please comment that you also need this then.

4 0
3 years ago
Expand.<br> Your answer should be a polynomial in standard form.<br> (3a^2 – 1)(-3a² + 5) =
34kurt

Answer:-9a^4+18a^2-5

(3a  

2

−1)(−3a  

2

+5)

=3a  

2

(−3a  

2

+5)−1(−3a  

2

+5)

​  

​  

 

=−9a  

4

+15a  

2

+3a  

2

−5

=−9a  

4

+18a  

2

−5

​  

4 0
3 years ago
If beans are 10 cans for $10, how much will it be for one can?
Andru [333]

Answer:

1 can=1 dollar

Step-by-step explanation:

10÷10=1 therefore 1 can equals 1 dollar

5 0
3 years ago
Read 2 more answers
What is the equation of this line in standard form?
Goshia [24]

Answer:

The correct equation is D.) 6x - 7y = -11

Step-by-step explanation:

4 0
3 years ago
Find Area of the triangle
scZoUnD [109]

Answer:

area of triangle is 1/2(b×h)

7 0
3 years ago
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