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andrezito [222]
3 years ago
9

The sum of 3 times a number and 7

Mathematics
1 answer:
leva [86]3 years ago
7 0
Algebraically, that will be expressed as:

3n +7
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A cargo plane flew from the US across the Atlantic at 212 mph, and flew back to the US at 232 mph. Given that the first trip too
expeople1 [14]

The return trip was 21.2 hours long.

Step-by-step explanation:

Given,

Speed of plane from US = 212 mph

Speed of plane on return trip = 232 mph

Let,

x be the time taken on return trip.

Time taken from US = x+2

We know that;

Distance = Speed * Time

Distance of plane from US = 212(x+2) = 212x+424

Distance on return trip = 232x

As the distance will be same, therefore,

232x=212x+424\\232x-212x=424\\20x=424

Dividing both sides by 20

\frac{20x}{20}=\frac{424}{20}\\x=12.2\ hours

The return trip was 21.2 hours long.

Keywords: distance, speed

Learn more about speed at:

  • brainly.com/question/12960754
  • brainly.com/question/12967961

#LearnwithBrainly

5 0
3 years ago
What does73×62 equal to??
Lina20 [59]
The answer is 4526
Hope this helps!
6 0
3 years ago
The product of five times p and seven times q is
enot [183]

Answer:

Step-by-step explanation:

(5p)(7q)=35pq

7 0
2 years ago
Read 2 more answers
Will someone make me
Llana [10]

Answer:

x+5=12

x+7=15

x+ 1/2=1

x+1/3=1

4(x+1)= 8

1.5+x=3

Olivia is 5 years older than Nicole. The sum of their ages is 35. How old is each girl?

Step-by-step explanation:

how this helps!

3 0
2 years ago
A point is randomly chosen in the diagram shown below. What is the likelihood that a point chosen inside the square will also be
s2008m [1.1K]
Side of the square: s
Area of the square: As=s^2

Diameter of the circle: d=s
Area of the circle: Ac=pi d^2/4
Ac=pi s^2/4; pi=3.1416
Ac=3.1416 s^2/4
Ac=0.7854 s^2

<span>The likelihood that a point chosen inside the square will also be inside the circle: P=?
P=Ac/As=0.7854 s^2 / s^2
P=0.7854
P=0.7854 * 100%
P=78.54%

</span>The likelihood that a point chosen inside the square will also be inside the circle is 0.7854 or 78.54%
3 0
3 years ago
Read 2 more answers
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