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Inessa [10]
3 years ago
6

How to solve (2x+8)^2

Mathematics
1 answer:
dusya [7]3 years ago
4 0
You have to foil out the problem
(2x+8)(2x+8)
4x^2+16x+16x+64
4x^2+32x+64
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A sphere has a volume of 33.5 cubic inches. which value is closest to the radius of this sphere in inches?
EastWind [94]
Radius = cube root (sphere volume * .75 / PI)radius = cube root (33.5 * .75 / PI)radius = cube root ( <span> <span> <span> 7.9975358904)
</span></span></span>radius =2 inches
Source:<span><span> </span> </span> http://www.1728.org/diam.htm


4 0
3 years ago
Write an equation of the form y = mx for the line shown below. If appropriate,
9966 [12]

Answer:

y = - 0.5x

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 4, 2) and (x₂, y₂ ) = (2, - 1) ← 2 points on the line

m = \frac{-1-2}{2-(-4)} = \frac{-3}{2+4} = \frac{-3}{6} = - 0.5

The line crosses the y- axis at (0, 0 ) ⇒ c = 0

y = - 0.5x + 0 . that is

y = - 0.5x

6 0
2 years ago
How do I solve this and what is the answer to this?! Number 14.
IrinaVladis [17]

Answer:

You'll have to give more information about the question or about what you need solved.

Step-by-step explanation:

6 0
2 years ago
1. John and Carolyn are planning a picnic for some of their friends. In all there will be 28 people. They plan to barbecue steak
Sonja [21]

1. 28 x 3/4 = 21 kg

2. 1 hr = 60 mins

=》 1/4 hr = 60/4 = 15mins

4 0
3 years ago
Read 2 more answers
Which of the following best defines the quantities that should be measured to find Andy's driving speed? The quantity of time me
chubhunter [2.5K]

The quantity of distance measures in miles depends on the quantity of time measured in hours. is your best choice.

The quantity of time is an independent variable, as it continues to go no matter how much you travel, and so it is the independent.

The quantity of distance depends on your speed and time, and because it depends on these two factors, it is the dependent.

hope this helps

6 0
3 years ago
Read 2 more answers
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