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Nady [450]
3 years ago
7

If correct 30 points and brainly

Mathematics
2 answers:
Andrews [41]3 years ago
7 0

Answer:

123

Step-by-step explanation:

cupoosta [38]3 years ago
3 0

Answer:

155

Step-by-step explanation:

PEX is congruent to MEY they are equal

PEY is 180

if MEY is conguent to PEX that means they are both 25

180-25

which equals to 155

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Solve the system of equations : y = x/2 , y = -x - 3 . You can use any method you wish for solving systems of equations. Check y
lorasvet [3.4K]

Answer:

x=−2 and y=−1

Step-by-step explanation:

<u>Problem:</u>

Solve y=x2;y=−x−3

<u>Steps:</u>

I will solve your system by substitution.

y=1/2x;y=−x−3

Step: Solve y= 1/2x for y:

Step: Substitute 1/2 x for y in y=−x−3:

y=−x−3

1/2x= =−x−3

1/2x+x=−x−3+x(Add x to both sides)

3/2x = -3

3/2x/3/2 = -3/3/2 (Divide both sides by 3/2)

x=−2

Step: Substitute −2 for x in y=1/2x:

y=1/2x

y=1/2(-2)

y=−1(Simplify both sides of the equation)

<u>Answer:</u>

x=−2 and y=−1

5 0
1 year ago
Two friends left school at the same time and drove in opposite directions. One friend averages 40 miles per hour and the other f
EastWind [94]
The two friends will be 150 miles apart, when the sum of the distances covered by the them is 150 miles.

distance = speed x time.
Let the time covered when they are 150 miles apart be x, then:
40x + 35x = 150
75x = 150
x = 150/75 = 2.

Therefore, the two friends will be 150 miles apart in 2 hours.
3 0
3 years ago
Is (-3, -9) a solution of the equation y = 3x ?
makkiz [27]

Answer:

Yes.

Step-by-step explanation:

-3 * 3 = -9

3 0
3 years ago
"The sum of a number and 4."
kenny6666 [7]

Answer:

n + 4

Step-by-step explanation:

It´s like a normal sum, but since the number is unknown just put n.

7 0
3 years ago
Read 2 more answers
you sell lemonade for .25 cents per glass. you invested $2 in the ingredients. write a formula that gives the profit as a functi
jeyben [28]
Would it be 50 dollars
4 0
2 years ago
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