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Tatiana [17]
2 years ago
10

A. -2x + y = -2

Mathematics
1 answer:
Free_Kalibri [48]2 years ago
4 0

Answer:

i try my best to do if i can

Step-by-step explanation:

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I need some help finding the volume of a sphere with a diameter of 18.6cm. The website says the answer I got from my calculator
Dahasolnce [82]

Answer:

Volume, V = 3367.6 cm³

Step-by-step explanation:

Given the following data;

Diameter = 18.6 cm

Radius = diameter/2 = 18.6/2 = 9.3 cm

Pie, π = 3.14

To find the volume of the sphere;

Mathematically, the volume of a sphere is given by the formula;

Volume \; of \; a \; sphere = \frac {4}{3} \pi r^{3}

Where;

r is the radius of the sphere.

Substituting into the formula, we have;

V = \frac {4}{3} * 3.14 * 9.3^{3}

V =  4.186666667 * 804.357

Volume, V = 3367.6 cm³

6 0
3 years ago
At beginnings of population study a city had 330,000 people. Eac year since, the population has grown by 6.8% . let t be the num
insens350 [35]

Answer:

Y=330,000(1.068)^t

Step-by-step explanation:

3 0
3 years ago
7)
yuradex [85]

Answer:

9 blue marbles

Step-by-step explanation:

12 divided by 4 = 3

3x3=9

7 0
3 years ago
Keith ate 2/6 of candy bar. If there were 6 pieces total, what fraction of the candy bar is left?
IgorC [24]
If there were 6 pieces and Keith ate 2 of the pieces, then there would be 4 pieces left.
\frac{4}{6}
and when you reduce it it would be 
\frac{2}{3}
5 0
3 years ago
Read 2 more answers
Fernando's shop charges $150 starting fee and $50 per hour. Angelina's
schepotkina [342]

Answer:

5 hours

Step-by-step explanation:

6 0
3 years ago
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