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3 years ago

Please help! I will mark brainliest:)

Mathematics

1 answer:

STatiana [176]3 years ago

8 0

Answer: y = 12.00 + (0.50)*(x - 2)

Step-by-step explanation:

x will be the game

y = cost

x - 2 because 2 is the initial

you can test it y = 12 + (0.50)*(3-2)

y = 12 +(0.50)*(1)

y = 12.50

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You plan to take a 2000-mile trip in your car, which averages 32 miles per gallon. How many gallons of gasoline should you expec

ohaa [14]

I expect to use 62.5 gallons. 2000/32 is 62.5

Yes, a car with half the gas mileage would require twice as much gasoline, because it needs more gasoline to go as far as the other car, which is wayy more efficient, if I may add.

8 0

4 years ago

Read 2 more answers

How long will it take for an investment to triple if it is compounded continuously at 12%

myrzilka [38]

Answer:

9.694 years

Step-by-step explanation:

Let the investment is $P.

So, we are asked to determine the time it will grow to triple with the compound interest rate of 12%.

Let the time is y years.

So, from the formula of compound interest we can write

$3P = P(1 + \frac{12}{100} )^{y}$

⇒ $(1 + \frac{12}{100} )^{y} = 3$

⇒ $(1.12)^{y} = 3$

Now, taking log both sides we get,

y log 1.12 = log 3 {Since, $\log a^{b} = b \log a$ }

⇒ 0.04922y = 0.477712

⇒ y = 9.694 years (Answer)

3 0

3 years ago

A triangle has sides with lengths of 5x - 2, 4x - 4, 6x - 8. What is the perimeter of the triangle?

xxMikexx [17]

Answer:

(15x - 4) units

Step-by-step explanation:

5x-2 + 4x-4 + 6x - 8

15x - 14

3 0

4 years ago

Isabella uses the equation V = one-third (12) squared (9) pi to find the volume of the cone below.

lyudmila [28]

Isabella’s error is Isabella should have divided the product of 12π and 9 by 3 to get V = 12π(9)/3 option fourth is correct.

It is defined as a three-dimensional shape in which the base is a circular shape and the diameter of the circle decreases as we move from the circular base to the vertex.

$\rm V=\pi r^2\dfrac{h}{3}$

Isabella equation:

$\rm V = \dfrac{1}{3}(12)^2(9)\pi$

The area of the base = 12π square cm

$\rm V = \dfrac{12\pi (9 )}{3}$

Thus, Isabella’s error is Isabella should have divided the product of 12π and 9 by 3 to get V = 12π(9)/3 option fourth is correct.

Learn more about the cone here:

brainly.com/question/16394302

#SPJ1

6 0

2 years ago

Quadrilateral RPQS is a rectangle. Label the missing measures.

Taya2010 [7]

Answer:

Part 1) $PR=9\ units$