2 years ago

Please help me with this

Mathematics

1 answer:

saul85 [17]2 years ago

3 0

Answer:

B,C,E (last one)

Step-by-step explanation:

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As an estimation we are told 5 miles is 8 km. Convert 27.4 miles to km.

Oksanka [162]

Answer:

≈ 44 km

Step-by-step explanation:

5 miles = 8 km

Then:

1 mile = 8/5 km

Then 27.4 miles is:

27.4*8/5 = 43.84 ≈ 44 km

6 0

2 years ago

The ratio of the sum of my favorite number and 9 to 15 is the same as the ratio of 3 to 5. What is my favorite number?

Blababa [14]

Let

x---------> my favorite number

we know that

(x+9)/15=3/5------> 5*(x+9)=15*3-----> divide by 5 both sides----> (x+9)=3*3

x+9=9------> x=0

therefore

the answer is

My favorite number is 0

8 0

2 years ago

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A surveyor measures the angle of elevation

lisov135 [29]

Check the picture below.

make sure your calculator is in Degree mode.

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3 years ago

At a team meeting, 80% of the tennis team was there. If there were 12

Illusion [34]

Answer:

15 people

Step-by-step explanation:

let x=total # of people on the team

80%=12

80/100=12/x

cross multiply

80x=1200

division property of equality (divide both sides by 80)

x=15

There are 15 people on the team.

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2 years ago

Simplify (-2x3)2 · y · y9. A) -4x6y8 B) -4x4y8 C) 4x6y10 D) -4x4y10

Alexxandr [17]

Answer:

Step-by-step explanation:

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2 years ago