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meriva
3 years ago
14

Does anyone know how to 'correctly' input the answers into mathcentre?​

Mathematics
1 answer:
klio [65]3 years ago
7 0
Put the individuals in the brackets
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How many solutions does this linear system have?
ziro4ka [17]

Answer: C is correct, No solution

Step-by-step explanation:

Let’s simplify the second equation,

8x-4y=-20

We can divide the whole equation by 4...

8x/4-4y/4=-20/4

Which becomes....

2x-y=-5

Now let’s move things around to see if it’s the same equation as the one on top...

-y=-2x-5

y=2x+5

Now we need to solve the systems...

y=2x-5

y=2x+5

Since their slopes are both 2 and their y-intercepts are not identical, the answer is no solution. The two lines will continue on without ever crossing because they have the same slope.

4 0
3 years ago
Calculate the volume of this prism<br> 20 cm<br> 30 cm<br> 10 cm
Ghella [55]

Answer:

6000(cm)^{3}

Step-by-step explanation:

30 \times 10 \times 20

300 \times 20

6000(cm)^{3}

<h3>Hope it is helpful...</h3>
5 0
2 years ago
7th grade math help me pleasee
OverLord2011 [107]

Answer:

3) -11 + 11

Step-by-step explanation:

-11+11=0

5 0
3 years ago
Read 2 more answers
A sphere and a cylinder have the same radius and height. The volume of the cylinder is 11 feet cubed.
ludmilkaskok [199]

Answer:

A

Step-by-step explanation:

8 0
2 years ago
PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
dalvyx [7]

Answer:

Step-by-step explanation:

\frac{14}{7} =\frac{n}{21}

Let us divide by 14 by 7 which is 2, so the equation is:

2 = \frac{n}{21}

Let us multiple 21 over the other side since 21 is in the denominator of the equation, so we get

n = 21*2 = 42

So the answer is 42.

8 0
2 years ago
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