2 years ago

Plot the graph y=3x from x=-1 from x=2

Mathematics

1 answer:

Ira Lisetskai [31]2 years ago

6 0

Answer:

(-1,-3) and (2,6)

Step-by-step explanation:

Plug x (x value) into equation (outputs y value)

(x value, y value) which gives coordinates

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16x+4(x-5) how do I solve this.?

Nadusha1986 [10]

Answer:20x-20

16x+4(x-5)

4(x-5)=4x-20

16x+4x

20x-20

8 0

3 years ago

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Completes the equation 26×72=_+40+420+12

Anarel [89]

26 x 72 = 1872
40 + 420 + 12 = 472
1872 - 472 = 1400 (the answer)

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3 years ago

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A sphere has a diameter of 12.5 inches. What is the surface area of the sphere? 50π in² 156.25π in² 625π in² 2604.17π in²

Advocard [28]

Hello!

To find the surface area of a sphere you use the equation

$A = 4 \pi r^{2}$

A is surface area
r is radius which is half the diameter

Put in the values you know

$A = 4 \pi 6.25^{2}$

Square the number

$A = 4 \pi 39.0625$

Multiply the 4 and the 39.0625

$A = 156.25 \pi$

The answer is $B) 156.25 \pi in^{2}$

Hope this helps!

3 0

3 years ago

Recall that the perimeter of a figure such as the one to the right is the sum of the length of its sides. Find the perimeter of

wolverine [178]

Answer:

72z+176

Step-by-step explanation:

36z+28+8z+40+12z+60+48+16z=

36z+8z+12z+16z+28+40+60+48=

72z+176

5 0

2 years ago

Which number is one-half of the way between 2.2 and 8.5?

defon

Let us take 0instead of 2.2 meaning 8.5-2.2=6.3
then we need to find the mid of 6.3=3.15
then we need to add 2.2 to 3.15= 5.35

6 0

3 years ago