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Iteru [2.4K]
3 years ago
11

What is the first step in solving the following system of equations?

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
3 0

Answer:

Solve the 1st equation for y and then you substitute the answer of the y value to the other equation to get the x value

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You’re given two side lengths of 3 centimeters and 5 centimeters. Which measurement can you use for the length of the third side
lana66690 [7]
If we assume the hypotenuse is of side length 5:
a^2+b^2=c^2
3^2+b^2=5^2
9+b^2=25
b^2=16
b=4
If the hypotenuse is the unknown:
a^2+b^2=c^2
3^2+5^2=c^2
9+25=c^2
c^2=34
c=(34)^(1/2)
5 0
3 years ago
What is the answer to this question
levacccp [35]

Answer:

its b because when subtract 30-24=6

5 0
3 years ago
A movie theater sells adult tickets for $6 each. Senior citizens receive a discount of $3. One evening the theater sold 400 tick
Andrej [43]

Answer:

Number of senior citizen tickets sold= 110

Number of adults tickets sold= 290

Step-by-step explanation:

<u>First, we need to establish a system of equations:</u>

x= number of adults tickets

y= number of senior citizen tickets

x + y= 400

6x + 3y= 2,070

<u>Now, we isolate x in one equation and substitute the value in the other:</u>

x= 400 - y

6*(400 - y) + 3y = 2,070

2,400 - 6y + 3y = 2,070

330 = 3y

110 = y

Number of senior citizen tickets sold= 110

Number of adults tickets sold= 290

<u>Prove:</u>

290 + 110= 400

6*290 + 3*110= 2,070

6 0
3 years ago
Can you please help?????
Marianna [84]

Answer:here use

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
If mEB=72 and the mBD 3y - 27, then<br> y =
Ber [7]

To graph y = f (x-h), move the graph of h units to the right. We have then: g (x) = (x-2) ^ 2 ... If mEB=72 and the mB  D 3y - 27, then<br /> y =.

8 0
3 years ago
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