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horrorfan [7]
3 years ago
8

How many gallons of gas is in my tank?

Mathematics
1 answer:
weqwewe [10]3 years ago
5 0

F(180) = x/30

= 180/30 = 6 gallons of gas is needed

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Samantha has $1,290 in a savings account that pays 4% simple interest. How much interest will she earn in 9 months? How much wil
Masja [62]

Given:

Principal = $1290

Rate of simple interest = 4%

Time = 9 months

To find:

The interest and total saving in the account altogether.

Solution:

The formula for simple interest is

I=\dfrac{P\times r\times t}{100}      ...(i)

where, P is principal, r is rate of interest and t is time in years.

We know that,

12\ months=1\ year

1\ month=\dfrac{1}{12}\ year

9\ months=\dfrac{9}{12}\ year

9\ months=0.75\ year

Putting P=1290, r=4 and t=0.75 in (i), we get

I=\dfrac{1290\times 4\times 0.75}{100}

I=\dfrac{3870}{100}

I=38.70

So, the simple interest is $38.70.

Total savings is

1290+38.70=1328.70

Therefore, the total amount in the account altogether is $1328.70.

4 0
3 years ago
What is the solution set for -4x-10 ≤ 2?
SashulF [63]

Answer:

x≥−3

Step-by-step explanation:

Let's solve your inequality step-by-step.

−4x−10≤2

Step 1: Add 10 to both sides.

−4x−10+10≤2+10

−4x≤12

Step 2: Divide both sides by -4.

−4x /−4 ≤ 12 /−4

= x≥−3

<h3><em><u>brainliest please?</u></em></h3>
5 0
2 years ago
Read 2 more answers
Which of the following expressions could be used to find the perimeter of this figure?
Burka [1]

Answer:

A

Step-by-step explanation:

four of the sides are equal to 18mm, so that would be the 4(18mm), and then the two other sides are equal to 24mm, which is 2(24mm). Your full equation would be:

P= 4(18mm) + 2(24mm)

A

4 0
3 years ago
Read 2 more answers
The table below represents the atmospheric temperature at a location as a function of the altitude:
RSB [31]

from x15 to x 25 is 4 - -16 = -20 degree change

25 -15 = 10000 feet

-20/10 = -2 degrees every 1000 feet


7 0
3 years ago
Glven: F(x) = 2x - 1; G(X) = 3x + 2; H(x) = x2<br> Find F/G/H(2)<br> 121<br> 27<br> 71
Sergio039 [100]

Answer:

3/32

Step-by-step explanation:

One approach to doing this probelm is to evaluate all three functions F, G and H at x = 2:

F(2) = 2(2) - 1 = 3

G(2) = 3(2) + 2 = 8

H(2) = (2)^2 = 4

                                                           3/8

Then (F/G)(2) = (3/8), and (F/G/H) = -------- = 3/32

                                                              4

8 0
3 years ago
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