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Ymorist [56]
3 years ago
10

A gallon of gas cost $2.16. Rob buys 13.5 gallons of gas. How much did he pay?

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
7 0
Rob spent $29.16 on gas. You get this by multiplying the amount a gallon of gas costs by the amount of gallons he bought. 2.16 x 13.5 = 29.16
pashok25 [27]3 years ago
4 0

Answer:

$29.16

Step-by-step explanation:

Each gallon of gas is $2.16.

13.5 gallons of gas is 2.16 (13.5) = $29.16.

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Find the missing probability. P(A)=7/20,P(A∪B)=191/400,P(A∩B)=49/400 ,P(B)=? A. 7/8 B. 1/4 C. 117/400 D. 19/40
spin [16.1K]

Answer:

B

Step-by-step explanation:

P(AUB)=P(A)+P(B)-P(A∩B)

191/400=7/20+P(B)-49/400

P(B)=191/400+49/400-7/20=240/400-7/20=12/20-7/20=5/20=1/4

8 0
2 years ago
Which of the following could be the equation for a parabola that opens down with the vertex (-11,-28)?
Mekhanik [1.2K]

Answer:y=-5(x+11)^2 -28

Step-by-step explanation: Okay think about what you know about translations and transformations of parent functions. In this case, the parent function is x2. So what now?

First, the problem states that the parabola opens DOWN. This means that you should look for a negative leading coefficient. This narrows your options down to C or D. (-5 is the leading coefficient)

Now starting with the x2, the vertex would be at (0,0), but in this problem it is at (-11,-28). That means it was TRANSLATED 11 spots in the negative x-direction and 28 spots in the negative y-direction.

Look at your options, when a number is being added directly unto the x variable, such as in answer C, it moves in the negative x-direction. This tells you that C has to be your answer.

I hope that helps!

8 0
3 years ago
Is 16x+7 equivalent to 8(2x+9)-2
andrew-mc [135]

no beacuse when distributed it will be:

16x + 72 - 2

16x + 70

5 0
3 years ago
Read 2 more answers
App.nearpod.com<br> X +6= 14<br> 2.
djverab [1.8K]
X=8 I’m not that to sure but hope i helped!
4 0
3 years ago
Help asap please there is so much headache from this question
Cerrena [4.2K]
615-138 = 477 you start with 615 take away how many pens are left and then you get your answer
6 0
3 years ago
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