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Nataly_w [17]
3 years ago
5

7th GRADE MATH WILL GIVE BRAINLIEST 20 POINTS ​

Mathematics
1 answer:
tigry1 [53]3 years ago
4 0

Answer:

I will say C, because tossing a coin twice has two outcomes. H is for heads while T is for heads. Tell me if I'm right.

Step-by-step explanation:

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Help!! I cant figure this out for some reason
Thepotemich [5.8K]

Answer:

x³ - 6x² + 18x - 10

Step-by-step explanation:

(f - g)(x) = f(x) - g(x)

= x³ - 2x² + 12x - 6 - (4x² - 6x + 4)

= x³ - 2x² + 12x - 6 - 4x² + 6x - 4 ← collect like terms

= x³ - 6x² + 18x - 10

6 0
3 years ago
What’s the volume of this
pav-90 [236]

Given:

The height of the cylinder = 12 in

The diameter of the base of the cylinder = 8 in.

To find:

The volume of the cylinder.

Solution:

The diameter of the base of the cylinder is 8 in. The radius is half of its diameter. So,

r=\dfrac{8}{2}

r=4

So, the radius of the base of the cylinder is 4 in.

The height of the cylinder, h = 12 in.

Base area of the cylinder is:

B=\pi r^2

Where, B is the base area and r is the radius.

B=\pi (4)^2

B=16\pi

So, the base area is 16\pi square inches.

The volume of the cylinder is:

V=\pi r^2h

V=Bh

Where, r is radius, h is height, B is base area.

Putting B=16\pi and h=12, we get

V=(16\pi )12

V=192\pi

So, the volume is 192\pi cubic inches.

Therefore, r=4\text{ in}, h=12\text{ in},B=16\pi \text{ in}^2,V=192\pi \text{ in}^3.

7 0
3 years ago
Kimi and her brother saved up for a board game. Kimi saved 8 dollars and her brother saved 7 dollars. together they bought the b
aniked [119]

Answer:

$3

Step-by-step explanation:

8 + 7 = 15

15 - 12 = 3

6 0
3 years ago
Given p(a) =0.7, P(b) = .86 and P (A and B) = 0.652 find the value of p (A|B)
kaheart [24]

Answer:

.758 or 163/215

Step-by-step explanation:

Conditional probablity formula:

(A|B)= (A∩B)/B

we have

.652/.86

this equals .758 or 163/215

7 0
3 years ago
Help!! 10 PTS!
Murljashka [212]

Answer:

There is no solution :/

If you graph the equations it would look like this...(see attached pic).

3 0
3 years ago
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