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nataly862011 [7]
4 years ago
9

7. Solve for x.V

t{?} " align="absmiddle" class="latex-formula">
x+ 3 = 20​
Mathematics
1 answer:
ch4aika [34]4 years ago
6 0
7+3=20

X+3=20
-3 -3
+3 & -3 cancel out
Then 20 minus 3 equals 7
So x=7
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A rectangle whose area is 180 square feet has a width that is 3 feet less than the length. Find the dimensions of the rectangle.
Yuliya22 [10]

Answer:

The length is 15\ ft

The width is 12\ ft

Step-by-step explanation:

we know that

The area of rectangle is equal to

A=LW

we have

A=180\ ft^{2}

so

180=LW -----> equation A

W=L-3 ------> equation B

substitute equation B in equation A and solve for L

180=L(L-3)

180=L^{2}-3L

L^{2}-3L-180=0

using a graphing tool------> solve the quadratic equation

The solution is L=15\ ft

see the attached figure

<em>Find the value of W</em>

W=15-3=12\ ft

4 0
3 years ago
Is 3/5 less,greater,or equal to 7/10
Elden [556K]
Make a common denominator, which could be 10. so, to make the first numbers denominator equal, you multiply it by 2. Then you also have to multiply the top number by 2. So, 3/5 = 6/10, which is less than 7/10
5 0
3 years ago
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I need help, please, I really need a help, please.
Vanyuwa [196]
The Answer Would Be CF
6 0
4 years ago
4/5w+13=25 please show work
tino4ka555 [31]

Answer:

w=15

Step-by-step explanation:

4w+13×5 = 25×5

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5 0
3 years ago
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Which answers are equivalent to ? Choose all answers that are correct. A. 0.75 B. 75% C. 0.15 D. 15%
weeeeeb [17]
Hello!

The Correct Answer would be:

<span>A. 0.75 and B. 75% 

Hope this Helps! Mark as Brainliest IF did!
Have A Wonderful Day! :)</span>
8 0
3 years ago
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