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san4es73 [151]
2 years ago
9

Complete the function table for y=2.5x−8 .

Mathematics
2 answers:
Black_prince [1.1K]2 years ago
4 0

Answer:

x=3.2

Step-by-step explanation:

Makovka662 [10]2 years ago
3 0
X= 3.2 because...
To find x- the intercept/zero, substitute y=0
0=2.5x - 8
Move the variable to the left- hand side and change its sign
-2.5x = - 8
Divide both sides of the equation by -2.5
x=3.2

:) .-.
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GaryK [48]

Answer:

6 minutes

Step-by-step explanation:

2 degrees per minute

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2 years ago
Who is Pythagorean? when was he born? when did he die?
Rama09 [41]

Answer:

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4 0
2 years ago
A sphere is inscribed in a cube with a volume of 64 cubic inches. What is the volume of the sphere? Round your answer to the nea
erma4kov [3.2K]

Answer:

the volume of the sphere is

33.51 in^{3}

Step-by-step explanation:

This problem bothers on the mensuration of solid shapes, sphere and cube.

Given data

Volume of cube v =   64 cubic inches

since we are dealing with a cube the height and the radius of the sphere is same as the sides of the cube,

we know that volume of cube is expressed as

v= l*b*h

v=l^{3}

64= l^{3}

l= \sqrt[3]{64}

l= 4 in

also diameter d=length l

Diameter d=  4in

Radius r =  \frac{d}{2}= \frac{4}{2}= {2 in}

Height h=4in

we know that the volume of a sphere is given by

v= \frac{4}{3} \pi r^{3}

substituting into the formula we have

v= \frac{4}{3} \ *3.142*2^{3} \\v=\frac{4*3.142*8}3} \\v= \frac{100.54}{3} \\v= 33.52in^{3}

8 0
2 years ago
HELP PLEASE! I'll give you the most stars for explaining and giving the answer
never [62]
1. Because each element in the domain is matched exactly with one element I. The range.
3 0
3 years ago
Please help me by marking the correct answer to each part of number 9. I really dont get this at all, so please tell me why your
natta225 [31]
A. False
Why? Because you cut off the triangle. The measurements are 20 mm and 10 mm.
B. True
Why? Because 20*10 = 200
C. False
Why? Because the base is 6 since 26 - 20 is 6. The height is 4, not 6 because 10 - 6 is 4.
D. True
Why? Because like question C., the base is 6, and the height is 4. 6*4 is 24/2 = 12. If you don't get this, the formula for all triangles is b*h*1/2
E. True
Why? Because from questions B. and D., the area of the rectangle is 200 and the area of the triangle is 12. 200 + 12 = 210.

Hope this helped,
Loafly
3 0
3 years ago
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