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3 years ago

I need help solving one variable equations !!

Mathematics

1 answer:

Luba_88 [7]3 years ago

4 0

Answer:

the answer is y=2

Step-by-step explanation:

Doing 1-multiple step equations to figure out the variables you have to remove the number on the left side which in this situation is 5 you subtract 5 on both sides 5 and 7 so the left side becomes 0 and the right side becomes 2 if u have anymore questions feel free to ask :))! And I hope this helps

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The 90km/h bus runs between the two stations in 2 hours and 20 minutes.

AnnZ [28]

Answer:

1. distance is 210km

2. distance is 163•3km

Step-by-step explanation:

SPEED=DISTANCE÷TIME

90km/h= X ÷ 2 hrs and 20mins

CHANGE 20 MINS INTO HRS

1 hr = 60mins

? = 20mins

20mins * 1hr= 1/3hr

60mins

Speed=distance÷time

90km/h= X ÷ 21/3

Distance= speed * time

X = 90km/h * 21/3hrs

distance is 210km

Speed=distance ÷

70km/h= X ÷ 21/3hrs

Distance=speed * time

X = 70km/h * 21/3hrs

6 0

2 years ago

What is the ratio of students who dance to the total number of students?

Citrus2011 [14]

Answer:

I'm sorry I don't know the ratio but the whole number of students is 164 and dance students is 43 i hope this helps if not im sorry i tried to help

Step-by-step explanation:

4 0

3 years ago

The quotient of two numbers subtracted from 20

den301095 [7]

Would it be 10-2?=8 quotient means divide

3 0

4 years ago

Calculate the weight gain

choli [55]

Answer: 54

Step-by-step explanation:

5 0

3 years ago

1. Find the value of x in the figure below.

bagirrra123 [75]

Answer:

see details and attached figure below.

Step-by-step explanation:

Going row by row

1. 12 (isosceles triangles have equal legs from the vertex)

2. 55 deg. (isosceles triangles have equal base angles)

3. 90 = 180-45-45 (isosceles triangles have equal base angles)

4. 2x-8 = 10

=> x = 18/2 = 9 (isosceles triangles have equal legs from the vertex)

5. sum of angles of triangle = 180

3x+3x+2x+4 = 180 => 8x = 176, x = 22, angle A = 3x = 66 deg.

6. sum of angles of triangle = 180

(isosceles triangles have equal base angles)

25+25+angle Z = 180 => angle Z = 180-25-25 = 130

7 0

4 years ago

Read 2 more answers