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drek231 [11]
3 years ago
9

Find the value of x and y​

Mathematics
1 answer:
sergeinik [125]3 years ago
5 0

Therefore, x= 108° and y =42°

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Solve each system by elimination.<br> −5x − 10y = 15<br> −3x + 10y = 25
yaroslaw [1]

Answer:

\boxed{x = -5~~and~~ y =1}

Step-by-step explanation:

-5x - 10y = 15

<u>-3x + 10y = 25 </u>+

-8x = 40

x = \frac{40}{-8}

x = -5

.

Substitute the value of x to one of equations

-5(-5) - 10y = 15

25 - 10y = 15

-10y = 15 - 25

-10y = -10

y = \frac{-10}{-10}

y = 1

7 0
3 years ago
Read 2 more answers
Complete the equation 0+_=91
ira [324]
The equation is 0+91=91. This is because 91+0=91. So, x=91.
5 0
3 years ago
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Algebra 2 Math question Grade 11
dlinn [17]

Answer: y=-3x+5

Step-by-step explanation:

6x+2y=10

Solve for y

2y=-6x+10

y=-3x+5

5 0
3 years ago
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Please explain how you got your answer!!! The dot plots below show the ages of students belonging to two groups of salsa classes
Rudik [331]

Answer:

Group b most likely has a lower mean age of salsa students

Step-by-step explanation:

Arithmetic Mean of the data is the average of a set of numerical values, calculated by adding them together and dividing by the number of terms in the set.

Here we are given with two groups that are Group A and Group B

both having total number of students = 20

Here the mean age of the data is addition of the all ages of different students divided by total number of students.

For group a

total age of the group = 3 × 5 + 4 × 10 + 6 × 17 + 4 × 24 + 3 × 29

= 15 + 40 + 102 + 96 + 87

=340

The mean age of salsa students= 340 ÷ 20 = 17

For group b

total age of the group = 6 × 7 + 3 × 10 + 4 × 14 + 5 × 16 + 2 × 21

= 42 + 30 + 56 + 80 + 42

=250

The mean age of salsa students= 250 ÷ 20 = 12.5

So the group b most likely has a lower mean age of salsa students

Learn more about Arithmetic Mean here - brainly.com/question/24688366

#SPJ10

7 0
2 years ago
Quamain is selling chocolate bars for a fundraiser. In his box, he had 12 milk chocolate bars, 8 caramel bars, 9 almond chocolat
zlopas [31]

Answer: 12:9

Step-by-step explanation:

He had 12 milk chocolate bars and 9 almond chocolate bars so the answer is 12:9

And it is also 12:9 is because they ask milk chocolate TO almond chocolate .

4 0
3 years ago
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