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fomenos
2 years ago
10

If gasoline costs $ 3.77 per gallon when you pay with a credit card, but $0.08 per gallon less if you pay with cash, how much do

you save by filling up a 8-gallon tank and paying for it with cash?
Mathematics
1 answer:
PIT_PIT [208]2 years ago
8 0

Answer:

<u>$0.64</u>

Step-by-step explanation:

Cost for 8 gallons of gas

Credit Card at $3.77/gal

Cash at $(3.77 - 0.08)/gal:  $3.69/gal

(8 gal)*($3.77/gal) =  $30.16

(8 gal)*($3.69/gal) =  $29.52

Savings is $0.64

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The base of a triangle is nine centimeters longer than the perpendicular height. If the area of the triangle is 180 square centi
Rom4ik [11]

Answer:

<em>The base is 24 cm long.</em>

Step-by-step explanation:

<u>Equations</u>

Let's call

b= base of the triangle

h=height of the triangle

The base is 9 cm longer than the height, thus:

b = h + 9

The area of the triangle is:

\displaystyle A=\frac{bh}{2}

\displaystyle A=\frac{(h+9)h}{2}

And its value is 180:

\displaystyle \frac{(h+9)h}{2}=180

Multiplying by 2:

(h+9)h=360

Operating:

h^2+9h-360=0

Factoring:

(h-15)(h+24)=0

The only valid positive solution is:

h = 15 cm

And b = h + 9 = 24

b = 24 cm

The base is 24 cm long.

7 0
3 years ago
A and B are two events. Which statement about the conditional probability is true?
nata0808 [166]
The answer 
by using fundamental definition
<span>The conditional probability of event B given event A is P(B|A)=P(A and B)/P(A) when two events are not independent.
so the only true answer is A, because </span>P(B|A)=P(A) if A and B are independents<span>
(definition)</span>
4 0
3 years ago
Read 2 more answers
The solutions to the inequalityys 2x - 4 are shaded on
ipn [44]

Answer:

(3,2)

Step-by-step explanation:

3,2 is the answer...hope you can understand

6 0
2 years ago
The triangle shown below has an area of 24 units. 10, 8, x. Find the missing length.
Finger [1]

Answer:

51

Step-by-step explanation:

a squared+2 squred=c

7×7- 10×10= 49-100= 51

c= 51

find square root of it 51= 7.14

8 0
1 year ago
What is the function for (-4,-9)
Mumz [18]

Answer:

graph it

Step-by-step explanation:

7 0
3 years ago
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