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aleksandr82 [10.1K]
3 years ago
8

What is the expression for "the sum of 8 times a number and two"?

Mathematics
2 answers:
ANTONII [103]3 years ago
6 0
X= 8x +2
Or I could be backwards as well
Hope this helps
Shalnov [3]3 years ago
4 0
The answer is 8x+2. i hope this was helpful
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A prop for a school play is a sphere that will be hung from the ceiling. The surface area of the sphere is 5 024 cm'. If the sur
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Answer:

The radius of the sphere, to the nearest cm:

r\approx 20 cm

Step-by-step explanation:

The surface area of a sphere is given by the formula

A = 4πr²

where r is the radius of the sphere.

Given

  • The surface area of sphere A = 5024 cm²

The radius of the sphere can be determined such as

A\:=\:4\pi r^2

r\:=\:\frac{1}{2}\sqrt{\frac{A}{\pi }}

Plug in Surface Area of sphere =  5024, π = 3.14 in the formula

\:r\:=\:\frac{1}{2}\sqrt{\frac{5024}{3.14}}\:\:

r\approx 20 cm

Therefore, the radius of the sphere, to the nearest cm:

r\approx 20 cm

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2 years ago
Explain the following types of angles:
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Answer:

acute angle measure less than 90 degrees, right angle measure 90 degrees, Obtuse angle measure more than 90 degrees, straight angle equal to 180 degrees, reflex angle is an angle greater than 180° and less than 360°, complementary angle either of two angles whose sum is 90°, supplementary angle either of two angles whose sum is 180°

6 0
2 years ago
Which is an equation of the line that is perpendicular to 3x+y=-5 and passes through the point (3, -7)?
nataly862011 [7]

Answer:

y+7=1/3(x-3) in point slope

y=1/3x-8 in slope intercept form

Step-by-step explanation:

First put 3x+y=5 in slope-intercept form (y=mx+b)

y=-3x+5

Give that the slope is -3 the perpendicular slope would be 1/3

now using the points (3.-7)

y+7=1/3(x-3) in point slope

y=1/3x-8 in slope intercept form

7 0
3 years ago
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CaHeK987 [17]

Answer:

so yes

Step-by-step explanation:

If you can divide two numbers without a remainder, then the first number is divisible by the second.

For example, 12 is divisible by 2.

12÷2=6

But 12 is not divisible by 5. When you divide 12 by 5, you get a remainder.

12÷5=2 R2

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2 years ago
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Which is the inverse of the function f(x)=1/3x+5 ?
PtichkaEL [24]
To find the inverse of a function, switch the x and the y and then solve for the new y.  Like this: x= \frac{1}{3}y+5.  Subtract 5 from both sides to get x-5= \frac{1}{3}y and then multiply both sides by 3.  3(x - 5) = y.  B is your choice.
4 0
3 years ago
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