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3 years ago

Dexter paid $74.94 for 201/5 gallons of gas. What's the price of gas where Dexter filled up his vehicle?

Mathematics

1 answer:

densk [106]3 years ago

3 0

Answer:

$1.90 approx

Step-by-step explanation:

Given data

Amount paid= $74.94

Amount of gallons= 201/5 gallons of gas

= 201/5

=40.2 gallons

let us find the unit cost per gallons

Unit cost per gallon is = 74.94/40.2

Unit cost per gallon=$1.86

The price of gas is $1.90 approx

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An environmentalist wants to find out the fraction of oil tankers that have spills each month. Step 1 of 2 : Suppose a sample of

Elenna [48]

Answer:

p = 0.299

Step-by-step explanation:

A proportion is the number of desired outcomes divided by the number of total outcomes.

Desired outcomes:

We want to estimate the proportion of oil tankers that had spills. Of the 1453, 1018 did not have spills, and 1453 - 1018 = 435 had. So $D = 435$

Total outcomes:

All the 1453 tankers, so $T = 1453$

Estimating the proportion

$p = \frac{D}{T} = \frac{435}{1453} = 0.299$

5 0

4 years ago

Which set of points is not coplanar?

spin [16.1K]

we know that

Coplanar points are three or more points which lie in the same plane. Remember that a plane is a flat surface which extends without end in all directions. Any three points in 3-dimensional space determine a plane.

case a) points A, B, E

Any group of three points determines a plane

The points A,B,E are coplanar

case b) points A, B,C,E

The four points do not belong to the same plane

The points A,B,C,E are not coplanar

case c) points B, C, D

Any group of three points determines a plane

The points B, C, D are coplanar

case d) points A,B, C, D

The base of the pyramid is a flat surface, the four points lie in the same plane

The points A,B, C, D are coplanar

therefore

the answer is the option

points A, B, C, E are not coplanar

8 0

4 years ago

Read 2 more answers

Filbert makes $14 per hour. If he makes time and a half for overtime, how much will he make for working 63 hours?

Marina CMI [18]

Answer:

$1323.00

Step-by-step explanation:

A simple equation that can be used to figure this out is:

p*1.5*o=t

The variables mean:

p- hourly pay

o- hours worked overtime

t- total amount of money earned.

(Also, the 1.5 is always used to calculate overtime, no matter what job, unless otherwise specified, and as referred in the problem as "time and a half").

So, to finally work out this problem:

($14*1.5)*63=?

first, (14*1.5)= $21

($21*63)= $1323.

4 0

3 years ago

Combine like terms 4 + 2x + 3(2x - 1)

Lunna [17]

Answer:

8x+1

Step-by-step explanation:

4+2x+3(2x-1)

1) Distribute the 3 to 2x and -1:

4+2x+6x-3

2) Combine alike terms:

8x+1

If you need any more help let me know in the comments :)

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3 years ago

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In the triangle shown below TB, EC and are MEDIANS; TB = 6x - 15 and DB = 5 5. Solve for x

nydimaria [60]

Answer:

I am not sure on this one, sorry :(

Step-by-step explanation:

6 0

3 years ago