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Lelu [443]
3 years ago
13

PlEaSe HeLp Me !!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
goblinko [34]3 years ago
4 0

Answer:

I think its A or D

Step-by-step explanation:

1/18 SORRY IF IM WRONG

please mark brainliest

uranmaximum [27]3 years ago
4 0

Answer:

Step-by-step explanation:

1/8

You might be interested in
Which pyramid has a greater volume and how much greater is its volume? ​
expeople1 [14]

Answer:

number 2

Step-by-step explanation:

3*7*6=126

4*3*10=120

126-120=6

6 0
3 years ago
Linda can bicycle 48 miles in the same time as it takes her to walk 12 miles. She can ride 9 mph faster than she can walk. How f
Marrrta [24]

Answer:

\frac{48}{r+9}=\frac{12}{r}

Step-by-step explanation:

Let r represent Linda's walking rate.                      

We have been given that Linda can ride 9 mph faster than she can walk, so Linda's bike riding rate would be t+9 miles per hour.

\text{Time}=\frac{\text{Distance}}{\text{Rate}}

We have been given that Linda can bicycle 48 miles in the same time as it takes her to walk 12 miles.

\text{Time while riding}=\frac{48}{r+9}

\text{Time taken while walking}=\frac{12}{r}

Since both times are equal, so we will get:

\frac{48}{r+9}=\frac{12}{r}

Therefore, the equation \frac{48}{r+9}=\frac{12}{r} can be used to solve the rates for given problem.

Cross multiply:

48r=12r+108

48r-12r=12r-12r+108

36r=108

\frac{36r}{36}=\frac{108}{36}

r=3

Therefore, Linda's walking at a rate of 3 miles per hour.

Linda's bike riding rate would be t+9\Rightarrow 3+9=12 miles per hour.

Therefore, Linda's riding the bike at a rate of 12 miles per hour.

7 0
3 years ago
Calculate the surface area of the figure below.
valentinak56 [21]

Answer:

a. 1,275.49 m²

Step-by-step explanation:

SA = 2πr² + 2πrh

SA = 2π(7)² + 2π(7)(22)

SA = 98π + 308π

SA = 406π

SA ≈ 1,275.49 m²

8 0
3 years ago
You jog 2 kilometers in 12 minutes. At this rate, it will take______ minutes to finish a 5k race.
mel-nik [20]
I hope you want the time taken to finish a 5 km race. Based on this i am solving the problem given.
Amount of time required to jog 2 kilometers = 12 minutes
Then
Amount of time required to jog 1 kilometer = (12/2) minutes
                                                                     = 6 minutes
So
Amount of time required to jog 5 kilometers = (6 * 5) minutes
                                                                       = 30 minutes
So it will take 30 minutes to finish a 5 kilometer race. I hope the procedure is clear to you.



8 0
3 years ago
Read 2 more answers
8
kolbaska11 [484]
No se la verdad!! Sube
8 0
3 years ago
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