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Tpy6a [65]
3 years ago
11

Solve by elimination -2x + 6y = 16 - 4x - 3y = 2 please help

Mathematics
1 answer:
prohojiy [21]3 years ago
7 0

Answer:  

(−2,2)

Hope it helps!

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Find of the areas of the squares PQRSto that of ABCD where PQ=9cm and AB=5cm​
Ket [755]

Answer: Area of square PQRS is 81cm^2 and of ABCD is 25cm^2

You know its a square. Which means all the sides are equal and same length. If you dont know what's a square then here is the definition:

Square is a plane figure with four equal sides and four right (90°) angles.

So now we know both of are squares, in case of the first square, PQRS, one side length is already given which is PQ=9cm. Now one side is 9cm which means all the sides are 9cm's (PQ=9cm, QR=9cm, RS=9cm,SP=9cm). So to find area just multiply them:

9cm * 9cm = 81cm^2

Now you found the area of the first square. So for the second square, ABCD, one side length is 5 cm so all the rest three sides are also 5 cm. Again, multiply them in order to find the area:

5cm * 5cm = 25cm^2

So square PQRS is 81cm^2 to that of square ABCD is 25cm^2

CAUTIONS: IT IS NOT THAT HARD YA KNOW

By the way, hope it helps! ^^

7 0
2 years ago
The measure of angle 1 is 39 degrees. What is the measure of the angle adjacent to angle<br> 1?
Bogdan [553]

Answer:

51

Step-by-step explanation:

90-39 = 51

6 0
3 years ago
Write the equation for the line.<br><br>​
Leni [432]
Y=-2 hope this helps
4 0
3 years ago
Jamie is selling tickets at a whale watch at a local beach.The tickets cost $24.40 for an adult and $14.50 for a child.Jamie ear
wariber [46]
30% = .3

.3(24.40a + 14.50c)

24.40 = cost of adult ticket
14.50 = cost of child ticket
a = # of adult tickets sold
c = # of child tickets sold

.3 * 24.40a + .3 * 14.50c
answer: 7.32a + 4.35c 

7 0
3 years ago
The word " _____ " in a word problem probably indicates you may estimate an answer.
Scilla [17]

Answer:

guess or round or about

Step-by-step explanation:

4 0
3 years ago
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