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4 years ago

Why is substitution sometimes more helpful than elimination?

1 answer:

5 0

Substitution method is not better or worse than any other method of solving ... Sometimes substitution can be easier than using elimination or graphing. ... Maybe you would like to learn more about one of these?

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Which two rooms have an

alexgriva [62]

Answer: room 101 and room 107

Step-by-step explanation:

In room 101, the ratio of boys to girls is 16:12. This is further simplified to its lowest fraction by dividing by 4. It becomes 4:3

In room 104, the ratio of boys to girls is 20:9. This cannot be further simplified to its lowest fraction.

In room 107, the ratio of boys to girls is 12:9. This is further simplified to its lowest fraction by dividing by 3. It becomes 4:3

Therefore, room 101 and room 107 have the same ratio.

4 0

3 years ago

Will give brainlst Have a nice day

Zolol [24]

Step-by-step explanation:

9) given

$12x = 4(x + 2) + 20 \\ 12x = 4x + 8 + 20 \\ 8x = 28 \\ x = 28 \div 8 \\ = 3.5$

10)standard form equation: y=mx+c

where m = slope and c = y-intercept

given m = 8, c = 12,

equation of line :

$y = 8x + 12$

4 0

3 years ago

Answer asap pic below

GaryK [48]

Answer:C

Step-by-step explanation:

6 0

3 years ago

Can someone please help me with this I’m stuck

Oksana_A [137]

Answer:

SAS

Step-by-step explanation:

We have AM = MH

Then Angle AMT equal to angle HMT

Then side MT equal to MT

The triangles are congruent by side angle side

3 0

4 years ago

(3x + 10) + (3x + 2)

STatiana [176]

Answer: 18

Step-by-step explanation: 3 + 10 = 13. 3 + 2 = 5. 13 + 5 = 18

6 0

3 years ago

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