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Olegator [25]
3 years ago
14

Someone please help!

Mathematics
1 answer:
Vlad1618 [11]3 years ago
7 0
Multiply the top equation by 6 and the bottom equation by 7. You will cancel x first by doing this and solve for y. You should get y=-1.
Substitute in y for either original equation.
You should get x=1.
Solution is (1,-1).
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Answer choices <br> 2/25<br> 1/25 <br> Please help me
irakobra [83]

Answer: 1/25

Step-by-step explanation:

(1/5) * (1/5) = 1/25

7 0
3 years ago
A rock climber starts at an elevation 630 feet above sea level and descends to a point 180 feet lower than his starting point. W
Mila [183]

Answer:

A. 450 feet

Step-by-step explanation:

If the rock climber starts at 630 feet above sea level,  decending down 180 feet lower than his starting point (630) would put him at 450 feet above sea level.  Hope this helps

7 0
3 years ago
Is the following shape a rectangle?how do you know?​
adelina 88 [10]

Answer:

The following shape is not a rectangle, but a square. I know this because the length and width are the same amount of square inch(feet, what ever the square counts for on your graph.) and rectangles width are typically longer than their length. However a square shares the same length and width,  

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
A. 231<br> B. 39<br> C. 129<br> D. 51
VladimirAG [237]

Answer:

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Step-by-step explanation:

cyclic

3 0
4 years ago
A rectangle has a width of 2cm and a perimeter of 25cm. Find the length and the area .
Gwar [14]

2w + 2l = 25

2 * 2 + 2l = 25

<em><u>Simplfiy.</u></em>

4 + 2l = 25

<em><u>Subtract 4 from both sides.</u></em>

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<em><u>Divide both sides by 2.</u></em>

l = 10.5

Now that we have the value of l, we can find the area.

A = lw

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A = 21.

The length is 10.5cm.

The area of the rectangle is 21cm^2

5 0
3 years ago
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