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1 year ago

10

Jason’s gas tank can hold 12 gallons of gas. His gas tank was empty and he filled it up 2/3 full. He spent $20.16. How much did

gas cost per gallon?

1 answer:

natita [175]1 year ago

7 0

Answer:

$2.52 per gallon.

Explanation:

$\frac{2}{3} \times 12 = 8$

$8c = 20.16$

$c = 2.52$

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△WPJ∼△DNJ<br> What is PWPW ?<br> Enter your answer in the box.

Kruka [31]

Use <em>CPCTC</em> and make ratios and proportionalities to find the value of segment PW:

If △WPJ∼△DNJ, then according to CPCTC, WP must be proportional to DN and PJ must be proportional to JN. Now, we can make a ratio:

$\frac{WP}{DN}= \frac{PJ}{NJ}$

Substitute the values that are given in the diagram.
DN=87.5
NJ=56
PJ=64

$\frac{WP}{87.5}= \frac{64}{56}$

Solve for x. You can do it by cross-multiplication.

$\frac{WP}{87.5}= \frac{64}{56} \\ 56*WP=64*87.5 \\ 56*WP=5600 \\ WP=100$

The measure of segment WP is 100 meters.

5 0

3 years ago

I don’t know how to do this

SVEN [57.7K]

Answer: n= 15

Step-by-step explanation:

Perimeter is just adding all the lengths of all the sides. So You already have the two sides which are 28 each. If you add those two is 56. So now you would subtract 56 from 86 since 86 is your total.

86 (perimeter) -56 (total of two sides)

This gives you 30

Since you have two equal sides left, you will divide 30 by two and that gives you 15

So, n= 15

8 0

3 years ago

Let A and B be two disjoint events such that P(A) = 0.47 and P(B) = 0.3.<br><br> What is P(A or B)?

Alchen [17]

<h3>Answer: 0.77</h3>

Work Shown:

P(A or B) = P(A) + P(B)

P(A or B) = 0.47 + 0.30

P(A or B) = 0.77

Notes:

The formula only works if A and B are disjoint, aka mutually exclusive
If A and B are not disjoint, then use this formula: P(A or B) = P(A) + P(B) - P(A and B)

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2 years ago

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Solve the equation. t/t-8=t+8/30

sattari [20]

<span>t/(t-8)=(t+8)/30
(t+8)(t-8) = 30t
t^2 - 8^2 = 30t
</span>t^2 - 30t - 64 = 0
<span>(t-32)(t+2) = 0
so t = 32 and t = -2
answer: 2 solutions </span>t = 32 and t = -2<span>

</span>

4 0

3 years ago

7. What is the prime factorization of 140?<br>A. 22.3.7<br>B. 23.7<br>D22 57

OlgaM077 [116]

Answer:

D

Step-by-step explanation:

140=2 times 2 times 5 times 7

all of which are prime numbers

so yah

<em><u>D</u></em>

3 0

2 years ago

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