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zhenek [66]
3 years ago
6

Zearn.org

Mathematics
1 answer:
HACTEHA [7]3 years ago
4 0
Hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
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A plane increases its cruising speed from 400mph to 550mph. Work out the percentage speed increase.
Harlamova29_29 [7]
Well, it went from 400 to 550, so the difference is 150.

if we take 400 to be the 100%, what is 150 off of it in percentage?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
400&100\\
150&p
\end{array}\implies \cfrac{400}{150}=\cfrac{100}{p}\implies p=\cfrac{150\cdot 100}{400}
4 0
4 years ago
What will the time be after 1 hour 5 minutes from 8:15 am
umka2103 [35]

Answer:

9:20 am

Step-by-step explanation:

So, lets go over two things.

Minutes and hours.

Minutes changes the second number.

You know how when a number goes from 9 to 10 how the ones place is set to 0, and the tens place goes up? Its the same with time, only when the number goes from 59 to 60, the hour goes up.

Hours changes the hours place, and when it hits 12, it resets to 1, and the words am go to pm, or pm goes to am.

In this case. we are moving the minutes place up by 5:

15+5=20

So the minutes place is 20, and does not change the hours place since it is below 60.

Next we have a increase in hours by 2:

8+1=9

So the hours place is 9, and does not reset or change the pm/am since its below 12.

Answer:

9:20am

Hope thias helps!

6 0
3 years ago
Read 2 more answers
If you charge $2,000 on a credit card today, how much will the
svet-max [94.6K]

Answer:

$5,674.30

Step-by-step explanation:

Use the Compound Amount formula:

A = P(1 + r/n)^(n*t), where r = APR as a decimal fraction = 0.1499

and n = 12 (compounded monthly).

Then A = $2,000(1 + 0.1499/12) )^(7*12)

             =  $2,000(1 +  0.0125)^84

              = $2,000(1.0125)^84 = $2,000(2.837) = $5,674.30

5 0
3 years ago
adhonest started in 70% if his team's soccer games this season. he started a total of 21 games. how many games did adhonest team
kotegsom [21]

Answer:14.7 games

Step-by-step explanation:

0.70 times 21 = 14.7

3 0
3 years ago
Michael is in debt $45 dollars. He takes another loan out for $95.45. How much money is Michael in debt?
Anton [14]
Answer: 140.45

reasoning: 95.45 + 45

5 0
4 years ago
Read 2 more answers
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