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Anton [14]
2 years ago
12

What is the y-value of the solution to the system of equations shown below

Mathematics
1 answer:
erastovalidia [21]2 years ago
5 0
First you have to get x
5x-21=2x-6
3x=15
x=5

then substitute in any of the equations with x to get the y value:
y=2x-6
y=2(5)-6
y=4

so the answer is choice B

hope this helps !
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What is the volume of a cylinder with a radius of 10 meters and a height of 4 meters?
Licemer1 [7]

Answer:

The volume of the cylinder is about 1256.6 cubic meters.

Step-by-step explanation:

The volume of a cylinder is given by the formula:

\displaystyle V=\pi r^2h

Where <em>r</em> is the radius and <em>h</em> is the height.

Our radius is 10 meters and our height is four meters. Substitute:

\displaystyle V=\pi(10)^2(4)

Evaluate:

V=400\pi \text{ m}^3\approx 1256.6\text{ m}^3

Thus, the volume of the cylinder is about 1256.6 cubic meters.

3 0
3 years ago
The following graph shows a bus’s record of the number of passengers it picked up over the course of a day. A bar graph titled B
Setler [38]

Answer:

(A)55

Step-by-step explanation:

\left|\begin{array}{c|ccccccccccccccc}x(Time)&7&8&9&10&11&12&1&2&3&4&5&6\\y(Passsengers)&40&62&58&43&36&55&41&28&31&37&75&64\end{array}\right|

From the values on the graph which is presented in the table above, the number of people who rode the bus during the 12.00 hour is 55.

<u>The correct option is A.</u>

7 0
3 years ago
Read 2 more answers
What is the result of multiplying the second equation by 2 and adding to the first equation?
vladimir1956 [14]

Answer:

5x + y = 8

Step-by-step explanation:

Given the equations:

x+3y=10 ____ (1)

2x−y=−1 ____ (2)

Multiply (2) by 2

2(2x - y = - 1) = 4x - 2y = - 2

4x - 2y = - 2 - - - (3)

Add (1) and (3)

4x - 2y = - 2

x + 3y = 10

___________

5x + y = 8

_________

3 0
3 years ago
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What is slope? Provide two examples of realistic situations where slope manifests itself. In each example make sure to state wha
erastovalidia [21]

Answer:

1. A slope is a surface of which one end or side is at a higher level than another; a rising or falling surface.

"he slithered helplessly down the slope"

Some real life examples of slope include: in building roads one must figure out how steep the road will be. skiers/snowboarders need to consider the slopes of hills in order to judge the dangers, speeds, etc. when constructing wheelchair ramps, slope is a major consideration.

8 0
2 years ago
You order 10 large aspen trees from a nursery. They will deliver them to you at a cost of $25 for the first tree plus $5 for eve
natka813 [3]

Answer:

D. $70

Step-by-step explanation:

you can first think that the first tree is $25 plus the nine trees for 5 dollars so  

5x9=45

45+25=70

Hope this helps :D

3 0
2 years ago
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