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Ymorist [56]
3 years ago
11

Solve the system by the addition method.

Mathematics
2 answers:
spin [16.1K]3 years ago
7 0

The answer is the 2nd choice

Xelga [282]3 years ago
3 0

The answer is the 2nd circle

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Work out the y-intercept of the line going<br> through (1, 2) with a gradient of 3
Tasya [4]

I think we need a coordinate grid for that,,

4 0
3 years ago
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washington high school's head tennis coach, ms. racket, runs a tennis camp for middle school students every summer. the students
Kaylis [27]

Your question was incomplete. Please refer the content below:

Washington high school's head tennis coach, Ms. racket, runs a tennis camp for middle school students every summer. the students bring their own lunches, but Ms. racket provides them with snacks. there is a proportional relationship between the number of students who enroll in Ms. racket's tennis camp, x, and the total number of snacks she buys, y. what is the constant of proportionality? write your answer as a whole number or decimal. snacks per student.

X      Y

10     30

13     39

14     42

21     63

The constant of proportionality is 3 as for 1 student she buys 3 snacks.

The constant of proportionality means the ratio between the terms x and y.

It is calculated by dividing y by x.

Here we get that:

X      Y           constant of proportionality(Y/X)

10     30                               3

13     39                               3

14     42                               3

21     63                               3

Therefore, we get the constant of proportionality as 3.

Learn more about constant of proportionality here:

brainly.com/question/1835116

#SPJ4

8 0
2 years ago
-8x+4y=28 solve for y
olga55 [171]
This is how I would do it:
-8x=28-4y divide the entire equation by 4
-2x=7-y Put y back on the left and put x on the right 
y=7-2x.
8 0
3 years ago
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72x2 + 39x + 207 = 0​
JulsSmile [24]
The answer is x=-9



Hope this helped:)
6 0
2 years ago
Which congruence theorem can be used to prove △ABC ≅ △DBC?
Tema [17]

Answer:

SAS

Step-by-step explanation:

Hope this helps :)

7 0
3 years ago
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