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JulsSmile [24]
3 years ago
10

Which of the following is the same as 8.4×10^2

Mathematics
1 answer:
Snezhnost [94]3 years ago
4 0
You need to state the answers :)

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Omar has a new credit card. He earns 300300300 reward points for every 100100100 dollars he spends. If omar earned 180018001800
jeka94

Omar spent 600 dollars for earning 1800 reward points.

<em><u>Explanation</u></em>

Omar earns 300 reward points for every 100 dollars he spends.

Suppose, he spent  x dollar for 1800 reward points.

Now <u>according to the ratio of "amount of money spent" and "reward points"</u> , the equation will be......

\frac{x}{1800}=\frac{100}{300}\\ \\ 300x=180000\\ \\ x=\frac{180000}{300}=600

Thus, Omar spent 600 dollars for earning 1800 reward points.

5 0
3 years ago
Read 2 more answers
solve the average time for a student to complete this quiz is 24 24 minutes with a standard deviation of 2 minutes. What is the
LuckyWell [14K]

Answer:

The correct answer is "(18, 30) minutes".

Step-by-step explanation:

Mean,

= 24

Standard deviation,

= 2

The range of minutes where 99.7% of individuals completed the quiz will be:

= Mean \pm 3\times Stdev

On substituting the values, we get

= 24 \pm 3\times 2

= 24 \pm 6

now,

= 24-6

= 18

Or,

= 24+6

= 30

i.e., 18 to 30 minutes

3 0
3 years ago
Is the following linear, exponential, or neither? 3,6,9,12,15,18...
Bas_tet [7]

Given:

3,6,9,12,15,18...

We need to find the difference.

The difference between 3 and 6 is 6-3 =3.

The difference between 6 and 9 is 9-6 =3.

The difference between 9 and 12 is 12-9 =3.

The difference between 12 and 15 is 15-12 =3.

The difference between 15 and 18 is 18-15 =3.

Recall that linear have equal differences.

We get an equal difference between each value.

The form of the equation is

y=3x

Hence the given is linear.

3 0
1 year ago
Mathematical problem solving skills can be important in everyday life. true or false.
sleet_krkn [62]
True. maths is applied in every day life for instance in science and accounting and as well as when daily with money

5 0
3 years ago
Read 2 more answers
Is 10 the solution of the equation 4x - 8 = 31?
Tom [10]
4x-8 = 31

4x = 31 + 8

4x = 39

x = 9.75
6 0
3 years ago
Read 2 more answers
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