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3 years ago

You jog 3.6 miles in 30 minutes. At that rate, how long will it take you to jog 4.8 miles?

Mathematics

2 answers:

krek1111 [17]3 years ago

6 0

Answer:

40 minutes

Step-by-step explanation:

At this rate, to are running 1.2 miles ever 10 minutes. 1.2•4=4.8

madam [21]3 years ago

5 0

Answer:

40 minutes.

Step-by-step explanation:

If you divide 3.6 miles by 3, given that 30 minutes can be divided by 10, and then with the number being 1.2, divide 4.8 by 1.2 and multiply by 10, you should get 40 minutes.

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Digging a rectangular pool 42ft×29.5×8ft. Hauling truck holds 452.5 cubic feet of dirt. How many truck loads will it take to hau

kiruha [24]

It will take 22 truck loads to haul all the dirt away.

42×29.7×8=9912

9912÷425.5=42 truckloads

6 0

3 years ago

Point b has coordinates (-8,15) and lies on the circle whose equation is x^2+y^2=289. If an angles is drawn in standard position

Alenkinab [10]

Answer:

$\cos \theta=-\dfrac{8}{17}$

Step-by-step explanation:

Coordinates of Point b $=(-8,15)$

b lies on the circle whose equation is $x^2+y^2=289$

$x^2+y^2=17^2$

Comparing with the general form a circle with center at the origin: $x^2+y^2=r^2$

The radius of the circle =17 which is the length of the hypotenuse of the terminal ray through point b.

For an angle drawn in standard position through point b,

x=-8 which is negative

y=15 which is positive

Therefore, the angle is in Quadrant II.

$\cos \theta=\dfrac{Adjacent}{Hypotenuse} \\$Adjacent=-8\\Hypotenuse=17\\\cos \theta=\dfrac{-8}{17} \\\cos \theta=-\dfrac{8}{17}$

8 0

3 years ago

A fuel tank contains 1 3/4 gallons of gasoline. Casey adds 33 1/3 gallons of

romanna [79]

Answer:

The gallons of gas the tank contain now is 35 1/12.

Step-by-step explanation:

Given:

Fuel tank contains 1 3/4 gallons of gasoline.

Casey adds 33 1/3 gallons of gasoline to the tank.

Now, to find the total gallons of gas the tank contain.

Converting the mixed fractions into improper.

Gallons of gasoline in fuel tank $=1\frac{3}{4}=\frac{7}{4}$ .

Gallons of gasoline Casey adds $=33\frac{1}{3} =\frac{100}{3}$ .

According to question:

By adding we get the total gallons of gasoline now tank contain:

$\frac{7}{4} +\frac{100}{3}$

$=\frac{7\times 3+100\times 4}{12}$

$=\frac{21+400}{12}$

$=\frac{421}{12}$

$=35\frac{1}{12}$

Therefore, the gallons of gas the tank contain now is 35 1/12.

5 0

3 years ago

Zebediah is an American traveling with a tour group in Eastern Europe. During a stop in Rommania, he purchases a souvenir that i

denis23 [38]

So 1 USD is 2.89 RON
That means...
177 ÷ 2.89 = 61.24USD

5 0

3 years ago

The approximate value of 120 degrees in radians is . Assume that = 3.14.

Mars2501 [29]

Answer:

2.0933333333 radians

Step-by-step explanation:

To convert degrees to radians, use 180 degrees = pi radians

120 * pi/180

2/3 pi

They would like us to use 3.14 for pi

2/3 * 3.14

2.0933333333 radians

5 0

3 years ago