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3 years ago

If ur right I'll give u brainliest

Mathematics

2 answers:

lisabon 2012 [21]3 years ago

6 0

Answer:

Step-by-step explanation:

i just took the test hope this helps

klemol [59]3 years ago

4 0

Answer:

Step-by-step explanation:

only b and d have the equation equal on both sides

and only D has it that 5 is the hypotenuse, and the opposite angle is 90 degrees

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what is the standart dievation of 63 and 37 and what is the standart dievation of 88 and 112 this is a sample not a population

PilotLPTM [1.2K]

Answer:

https://www.calculators.org/math/standard-deviation.php

Step-by-step explanation:

you can calculate standard deviation from here with proper working plus accurate results.

7 0

3 years ago

Sarah rolls a die twice. What is the probability that she rolls a 3 and then an even number?

egoroff_w [7]

1/12

This is because she has a 1/6 chance of getting a 3 on the first try and then a 1/2 chance of getting an even on the second. Multiply these two together to get your answer.

7 0

3 years ago

How do you round 699 to the nearest tenth.

Nadusha1986 [10]

700 because the 9 in the tenth place is larger than 5

6 0

3 years ago

From the intersection for the following sets.

zaharov [31]

Since x is intersecting y, it will be XnY =(0, 10)

3 0

4 years ago

A jogger runs 6 miles per hour faster downhill than uphill. If the jogger can run 5 miles downhill in the same time that it take

muminat

Answer:

The speed of jogger in uphills is 4 mile per hour

And The speed of jogger in downhills is 10 mile per hour

Step-by-step explanation:

Given as :

The distance cover by jogger in downhill (Dd) = 5 miles

The distance cover by jogger in uphill (Du) = 2 miles

The time taken by jogger in downhill (Td) = T hour

The time taken by jogger in uphill (Tu) = T hour

Let The speed of jogger in uphills (Su) = x mph

So ,The speed of jogger in downhills (Sd) =( x + 6 ) mph

∵, Time = $\frac{Distance}{Speed}$

So, Tu = $\frac{Du}{Su}$

Or, T = $\frac{2}{x}$ h

And Td = $\frac{Dd}{Sd}$

Or, T = $\frac{5}{(x + 6)}$ h

∵ Time duration of both is same

∴ $\frac{2}{x}$ = $\frac{5}{(x + 6)}$

Or, 2 × (x + 6) = 5x

Or, 2x + 12 = 5x

So, 12 = 3x

∴ x = $\frac{12}{3}$ = 4 mph

And x + 6 = 4 + 6 = 10 mph

Hence The speed of jogger in uphills is 4 mile per hour

And The speed of jogger in downhills is 10 mile per hour Answer

5 0

3 years ago

If ur right I'll give u brainliest ​

If ur right I'll give u brainliest