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2 years ago

When Emilio drives his truck, the miles are varied directly with the

Mathematics

1 answer:

Inga [223]2 years ago

4 0

Answer:

40 months

Step-by-step explanation:

Since it takes him 2 months to drive 15,000 miles

He drives 7,500 miles/month (15,000 miles / 2months)

Dividing the total distance by his speed yields the time it takes to drive that distance

300,000 miles / 7,500 miles/month = 40 months

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Please help math

Naddika [18.5K]

$\displaystyle\\
15(2a - 2) = 5(a^2 -1) \\ \\ 
30a - 30 = 5a^2-5\\\\
-5a^2 + 30a -30 + 5 =0\\\\
-5a^2 + 30a -25 =0 ~~~~~\Big| \times (-1) \\\\
5a^2 - 30a +25 = 0~~~~~\Big| : 5 \\\\
a^2 - 6a +5 = 0 \\ \\ 
a_{12}= \frac{-b\pm \sqrt{b^2-4ac}}{2a}= \frac{6\pm \sqrt{36-20}}{2}= \frac{6\pm \sqrt{16}}{2}=\frac{6\pm 4}{2}= \boxed{3\pm 2} \\ \\ 
a_1 = 3+ 2 = \boxed{5}\\\\
a_2 = 3-2 = \boxed{1}$

8 0

3 years ago

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Evaluate |2x+y-3z| for x=-2, y=10, and z=3<br> How to solve?

Angelina_Jolie [31]

|2x + y - 3z|
Plug in the values
|-4 + 10 - 9|
= |-3|
= 3

4 0

3 years ago

Read 2 more answers

What is the final amount of 777 is decreased by 12% followed by a 4% increase? Give your answer rounded to 2dp.

julia-pushkina [17]

Answer:

711.11

Step-by-step explanation:

<h3>Method 1 </h3>

If 777 is decreased by 12%. the number would now be (100% - 12%) 88% of what it was originally

0.88 x 777 = 683.76

683.76 is increased by 4%. 683.76 would now be (100 + 4%) 104% of what it originally was

683.76 x 1.04 = 711.11

<h3>Method 2 </h3>

12% x 777 =

0.12 x 777 = 93.24

777 - 93.24 = 683.76

4% x 683.76 = 27.3504

683.76 + 27.3504 = 711.11

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2 years ago

$35,125 loan, a feat which took ten years of quarterly payments. The loan had an interest rate of 7.44%, compounded quarterly. I

Darya [45]

First find the amount of each payment:
$35,125 = P(\frac{(1+i)^{40} -1}{i (1+i)^{40}}) , i = \frac{.0744}{4} \\ \\ P = 1252.70$

The total cost will be 40 payments plus service charges.
$40*1252.70 + 5180.70 = 55,288.90$

The percentage is the service charge divided by total cost:
$X = \frac{5180.70}{ 55,288.90} = .0937 = 9.37\%$

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2 years ago

A number that has a digit in tenths place, hundredths place or beyond

givi [52]

Decimal- A number that has a digit in the tenths place, hundredths place, and/ or beyond.

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3 years ago

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