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natima [27]
2 years ago
6

Ummm how do you do this two questions?

Mathematics
1 answer:
guajiro [1.7K]2 years ago
8 0

Answer:

Here are the formulae you need. Just plug in the values you have and you will get your answers.

Area of a triangle: 1/2*base*height

Volume of a rectangular prism: length*width*height

Volume of a cylinder: pi*r^2*height

Step-by-step explanation:

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What is the slope of the line
BigorU [14]

Answer:

-8/46

Step-by-step explanation:

slope is the change of y over the change in x

-5 - 3 divided by 44 - (-2)

-8/46

4 0
3 years ago
How to integrate cos^-2x . Question from Alevel Pure Maths 3 ​
VashaNatasha [74]

Answer:

I do think I can answer this

8 0
3 years ago
Consider the two expressions 4b(b+1) and (2b+7)(2b-8). Compare their values if b=-3, b=-2, and if b=10. Is it true that for an v
noname [10]

Answer:

If b=-3 then the first expression is equal to 24 and the second expression is equal to -14.

If b=-2 then the first expression is equal to 8 and the second expression is equal to -36.

If b=10 then the first expression is equal to 440 and the second expression is equal to 324.

Yes, it is true.

Step-by-step explanation:

b=-3:

4b(b+1)=4(-3)(-3+1)=-12(-2)=24

(2b+7)(2b-8)=(2(-3)+7)(2(-3)-8)=(-6+7)(-6-8)=1(-14)=-14

b=-2:

4b(b+1)=4(-2)(-2+1)=-8(-1)=8

(2b+7)(2b-8)=(2(-2)+7)(2(-2)-8)=(-4+7)(-4-8)=3(-12)=-36

b=10:

4b(b+1)=4(10)(10+1)=40(11)=440

(2b+7)(2b-8)=(2(10)+7)(2(10)-8)=(20+7)(20-8)=27(12)=324

8 0
3 years ago
How do you do this? plz I really need help.
Vlada [557]
The top two answers are equivalent, while the bottom one is not. You would use distributive property in the parentheses. If both expressions are the same, they are equivalent
7 0
3 years ago
What can be concluded about the sphere? Check all that apply. The sphere has a radius of 10 cm. The diameter measure is substitu
MA_775_DIABLO [31]

Answer: Its C and E on engenuity

Step-by-step explanation:

The radius is half the diameter.

The volume of the sphere is two-thirds the volume of a cylinder with the same radius and height.

4 0
3 years ago
Read 2 more answers
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