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3 years ago

In the expression 2x + 3 , the two is called

Mathematics

1 answer:

melamori03 [73]3 years ago

4 0

The two is called a coefficient because it contains a variable in this case x is the variable :) hope I helped

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Solve the equation using the distributive property and properties of equality.

RideAnS [48]

7 1/2 ummm i did it in my head lol but i’m sure it’s right

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3 years ago

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During a checkers game, there are 16 pieces left. The ratio of a black to red is 3 : 5. How many black pieces are in the board?

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3 years ago

Help please i am confused

trapecia [35]

Answer:

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Step-by-step explanation:

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3 years ago

A cargo plane left Los Angeles seven hours before an Air Force plane. The planes flew in opposite directions. The Air Force plan

cluponka [151]

Answer:

speed of cargo plane = 642.857 miles per hr

Step-by-step explanation:

The planes moves in opposite direction . The cargo plane also left Los Angeles 7 hours before the Air force plane. This means the cargo plane has been travelling for 7 hrs before the Air force plane moved.

Air force plane speed = 325 miles per hr

Air force plane time = 2 hrs

speed = distance/time

distance = speed × time

distance covered = 325 × 2 = 650 miles

Cargo plane speed = ?

cargo plane time = 7 hrs

distance covered = 5150 - 650 = 4500 mile

speed = distance/time

speed = 4500/7

speed of cargo plane = 642.857 miles per hr

8 0

3 years ago

starting from 1.4 miles away a car drives towards a speed check point and then passes it the car travels at a constant rate of 5

LenKa [72]

Answer: At t=0.015 hours when the car 0.6 miles from the check point.

Step-by-step explanation:

Since we have given that

Distance traveled by him towards a speed check point = 1.4 miles

Speed at which he is travelling = 52 miles per hour

Let the time taken by him be x

Since we have the equation

$d=1.4-52t$

where d denotes distance

and t denotes time.

If we have given that the car 0.6 miles from the check point.

So, we put the value of d in place of it .

$0.6=1.4-52t\\\\0.6-1.4=-52t\\\\-0.8=-52t\\\\0.8=52t\\\\\frac{0.8}{52}=t\\\\0.015=t$

So, at t=0.015 hours when the car 0.6 miles from the check point.

5 0

3 years ago