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AnnZ [28]
3 years ago
9

8c + cI need this answer asap​

Mathematics
1 answer:
Elden [556K]3 years ago
7 0

Answer:

9c

Step-by-step explanation:

8c +c = 9c

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A school gym has an area of 4,641 square feet and a perimeter of 284 feet. What are the dimensions of the gym?
abruzzese [7]

Answer:

dimensions are 51x91

Step-by-step explanation:

Assuming that the gym is rectangular in shape, then...

l*w=4641

and 2l+2w=284

We have two variables and two equations so to solve this we plug one equation into another.

Solve for one variable:

l*w=4641

w=4641/l

Plug into the other equation...

2l+2(4641/l)=284

Solve

l*(2l+9282/l)=284

2l^2+9282=284l

2l^2-284l+9282=0

Factor the trinomial:

2(l−51)(l−91)=0

l−51=0 or l−91=0(Set factors equal to 0)

l=51 or l=91

now, lets plug it into one of the equations to find w

51*w=4641

w=91, l=51

or...

91*w=4641

w=51, l=91

6 0
3 years ago
Read 2 more answers
How to solve and graph the inequality
frozen [14]

For this problem the work would look like this:

-\frac{w}{2} \geq -7\\ \\

Multiply -2 to both sides to isolate w.

w\leq -7*-2

Notice that the sign flips! This is because anytime a negative numbers transfers to the other side of the inequality the inequality flips directions.

w\leq 14

Now this should be the solution once solving.

The attached picture below shows the graph.

Hope this helps!

4 0
3 years ago
We are given that lines a and c intersect at point S. Translate line a down line c until point S reaches point Q. Call the new l
Pavel [41]

Answer:

The lines a and b are parallel

Step-by-step explanation:

When we will translate line a, then the new line b will be formed.

Now, as translation preserves orientation each point on line a will be equidistant from line b , thus holding the condition and satisfying the property of two parallel lines.

Hence, line a and line b are parallel to each other.


8 0
4 years ago
Read 2 more answers
A research company surveys 8,000 people. The company expects 6,000 people to respond favorably. If there is a percent error of 2
Dmitrij [34]

Answer:

This site is a joke!

Step-by-step explanation:

6 0
3 years ago
Can anyone help me by just saying <br> number 1,2,3,4,5 you have to show work
Artist 52 [7]
2(x - 5) = 110

2x - 10 = 110

Add 10 to both sides.

2x = 120

Divide by 2 on both sides.

x = 60
4 0
3 years ago
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