3 years ago

David can jog 4 miles in. 75 minutes.what is David’s jogging rate per hour?

Mathematics

1 answer:

weeeeeb [17]3 years ago

6 0

Answer: 3.2 miles

Step-by-step explanation: Trust me bro. 1000% right

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What property is shown in 3x+4y+2+6y+3

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Answer:

Step-by-step explanation:

I think its substitution

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3 years ago

Jana has a number cube numbered 1 to 6. She plans to roll the cube 78 times. Predict the number of times Jana will roll a 2.

Natali5045456 [20]

78/6=13 theres not much to it just divide

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3 years ago

5-2 ( 4a + 1 ) + 3a= 13 a. a= - 6/5 b. a=2 c. a= 2/3 d. a= -2

Oksi-84 [34.3K]

Answer:

a=2/3

Step-by-step explanation:

3(4a+1)+3a=13

12a+3+3a=13

15a+3=13

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3 years ago

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The height of a cylinder is 5 centimeters. The diameter of the base of the cylinder is 16 centimeters. Find the lateral surface

soldier1979 [14.2K]

Answer:

Lateral surface area of the cylinder = $251.2 cm^2$

Step-by-step explanation:

Lateral surface area of he cylinder = $2*\pi*r*h$ i.e area of side surface.

$Height(h) = 5 cm$

$Diameter = 16 cm$

$radius(r)= 16/2= 8 cm$

Lateral surface area of the cylinder = $2*\pi *8*5$

$\pi =\frac{22}{7}=3.14$

L.S.A= $2*3.14*8*5$

L.S.A= $251.2 cm^2$

The lateral surface area of the cylinder with radius 8 cm and height 5 cm is $251.2 cm^2$

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3 years ago

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babymother [125]

Answer:

(x-9)²+(y-5)²=64

Step-by-step explanation:

Centre is (9,5) and radius is 16*pi/2*pi=8. Plug it in the equation of circles

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3 years ago