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harkovskaia [24]
2 years ago
9

Jeffrey can jog 5 miles in 40 minutes. How many more miles can he jog in 90 minutes than in 40 minutes? Assume the relationship

is proportional and he jogs at a constant rate.
Mathematics
1 answer:
Romashka [77]2 years ago
8 0

Answer:

I am a cat

Step-by-step explanation:

Meow

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4. A cone has a height of 4 and a base area of 9pi. What is it's volume? <br><br> Show work
OLEGan [10]

V= 1/3 times pi times radius squared times height

V= 1/3 • 3.14 • 4.5 squared • 4(4.5 because 9 divided by 2)

V= 1/3 • 3.14 • 20.25 • 4

V= 1.0466 • 81

V= 84.7746 units cubed

If told to round to nearest tenth then 84.8 , if hundreds then 84.78

3 0
3 years ago
Need help with Trig fast
Andreas93 [3]

Given:

A figure of a right angle triangle.

To find:

The value of Tan R.

Solution:

Trigonometric Ratio: In a right angle triangle,

\tan \theta =\dfrac{Perpendicular}{Base}

Using the above trigonometric ratio in the given triangle, we get

Tan R =\dfrac{AD}{AR}

Tan R =\dfrac{13}{17}

Therefore, the correct option is C.

6 0
3 years ago
WILL GIVE BRAINLIESt:
Andreyy89

Answer:

180

Step-by-step explanation:

Area of troiangle=180

A+B+C=180

22+90+B=90

112+B=180

B=180-112

B=68

perimeter=A+B+C

22+90+68=180

3 0
2 years ago
Read 2 more answers
What is 7/8 minus 5/24 =?
marta [7]
I hope this helps you



7/8=7.3/8.3=21/24




7/8-5/24



21/24-5/24


16/24


8.2/8.3


2/3
3 0
3 years ago
An alloy consists of nickel, zinc, and copper in the ratio 2:7:9. How many pounds of nickel have to be used to create alloy that
Hunter-Best [27]

We are given ratio nickel to zinc to copper = 2:7:9.

From this ratio we can see that <em>ratio of nickel to zinc is 2:7</em>.

Let us assume number of pounds of nickel have to be used to create alloy that contains 4.9 lb of zinc is x pounds.

So, we can setup a proportion as :

x : 4.9 =  2:7

Or

\frac{x}{4.9}=\frac{2}{7}

On cross multiplication, we get

7x= 4.9× 2

7x = 9.8

Dividing both sides by 7, we get

x = 1.4.

<h3>Therefore, 1.4 pounds of nickel have to be used to create alloy that contains 4.9 lb of zinc.</h3><h3 />
6 0
3 years ago
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