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zhuklara [117]
2 years ago
15

If we add two equations in the original system, we have 6x+7y=32. Explain why the same (x,y) pair is also a solution to the equa

tion
Mathematics
1 answer:
Fynjy0 [20]2 years ago
8 0

Answer:

simultaneous equations are used to solve for 2 variable

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At lunch, $60\%$ of the students selected soda while $20\%$ selected milk. If 72 students selected soda, how many students selec
Nadusha1986 [10]

Answer:

24 students

Step-by-step explanation:

If 60% equals 72, then 20% would be 1/3 of 72 which is 24.

7 0
3 years ago
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14 brainly points: can someone pls explain to me what a subset is in a way i can understand (and pls don't just find a internet
Oksana_A [137]

Answer:

Yes

Step-by-step explanation:

B is a subset of A because if A= {0,1,2,3,4} and B= {1,2} B is a part of A and B is a smaller version of A

Don't know if this helps but this is how I learned subsets.

6 0
3 years ago
Find the area of the shape below.
Alecsey [184]

Area = (14 x 20) - ( 5 x 9)

Area = 280 - 45

Area = 235 square cm

4 0
2 years ago
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If RH = 10 units, HT = 16 units, and GH = 8 units, what is the length of line segment HJ?
Dominik [7]

Answer:

HJ=20\ units

Step-by-step explanation:

<u><em>The complete question is</em></u>

RT and GJ are chords that intersect at point H. If RH = 10 units, HT = 16 units, and GH = 8 units, what is the length of line segment HJ? 18 units 20 units 26 units 28 units

we know that

The <u><em>intersecting chords theorem</em></u>  is a statement that describes a relation of the four line segments created by two intersecting chords within a circle. It states that the products of the lengths of the line segments on each chord are equal

so

In this problem

(RH)(HT)=(GH)(HJ)

substitute the given values

(10)(16)=(8)(HJ)

solve for HJ

HJ=160/8\\HJ=20\ units

7 0
3 years ago
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What is 1 + 1 - 10 -50 -40 x 9877 -7000 + 500 - 600 X 564847584 -38339
ikadub [295]

Answer:

-338908990377

Step-by-step explanation:

that is the answer

3 0
3 years ago
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