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vitfil [10]
3 years ago
6

I need help someone helps me ASAP please

Mathematics
2 answers:
lara31 [8.8K]3 years ago
6 0
0 3/4 THEREEEEEE Hereer
defon3 years ago
5 0

Answer:

0, 3/4

Step-by-step explanation:

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Please help 15 points each but beware if you use my points for no reason I'll report you
romanna [79]

Answer:

2048~ \text{in}^3

Step-by-step explanation:

\text{Volume,}~ V = \dfrac 43 \pi r^3 \\\\\\~~~~~~~~~~~~~~~=\dfrac 43 \times 3 \times 8^3\\\\\\~~~~~~~~~~~~~~~=4 \times 512\\\\\\~~~~~~~~~~~~~~~=2048~ \text{in}^3

6 0
2 years ago
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A triangle's height is 10 feet more than its base. If the area of the triangle is 100 square feet, use factoring to find its dim
stiks02 [169]

The base length of the triangle is 10 ft. and the height of the triangle is 20ft.

Step-by-step explanation:

Height = base + 10

Area = 100 square ft

Area of a triangle= (1/2) (b) (h)

100 = (1/2) (b) (b + 10)

200 = b(b) + 10b

b(b) + 10b - 200 = 0

b(b) + 20b - 10b - 200 = 0

b ( b + 20) -10(b + 20) = 0

(b-10) (b+20) =0

b = 10 (or) b = -20

Here b is the length and cannot be negative.

So, b = 10ft

h = b + 10

h = 10 + 10

h = 20 ft.

The base length of the triangle is 10 ft. and the height of the triangle is 20ft.

6 0
3 years ago
Find the value of a and b if √5-1/√5+1=a+b√5
timurjin [86]

Answer:3/2-(√5)/2

Step-by-step explanation:

4 0
3 years ago
Help pls!! Solve the inequality x + 13 < 0. Give your answer in interval notation.
kotegsom [21]

Answer:

-14

Step-by-step explanation:

x=-14+13

-1

0 is biger than -1

5 0
3 years ago
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A submarine is650 feet below sea level. If it defends 400 feet, which integer represents its new position
Musya8 [376]

Answer:

-1050

Step-by-step explanation:

-650+(-400)=-1050

We use negatives to show it is below sea level

7 0
3 years ago
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