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3 years ago

Help me please? Marking brainliest

Mathematics

1 answer:

AnnZ [28]3 years ago

7 0

Answer:

Step-by-step explanation: bec if you divide 3 by 4 it makes 0.75 so its 1.75 and 1.6 so 1.75 is bigger

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Roger can run one mile in 18 minutes. jeff can run one mile in 15 minutes. if jeff gives roger a 1 minute head start, how long w

gladu [14]

Alright, lets get started.

Roger can run one mile in 18 minutes.

Jeff can run one mile in 15 minutes.

Suppose in x minutes, they both will catch up.

Roger runs in 18 minutes = 1 mile

So, Roger will run in 1 minute = $\frac{1}{18}$ miles

So, Roger will run in x minutes = $\frac{x}{18}$ miles

Jeff runs in 15 minues = 1 mile

So, Jeff will run in 1 minute = $\frac{1}{15}$ mile

As Jeff gives roger a 1 minute head start, means Jeff will have x-1 minute time to run

So, Jeff will run in (x-1) minute = $\frac{x-1}{15}$

As both are cathing up means they both runs same distance, means

$\frac{x}{18} =\frac{x-1}{15}$

Cross Multiplying

$15 x = 18x - 18$

$3 x = 18$

x = 6 minutes

So for calculating distance = $speed * time$

Distance = $\frac{1}{18} *6 = \frac{1}{3}$ miles

It means it will take 1/3 or 0.33 miles before jeff catches up to roger. : Answer

Hope it will help :)

4 0

3 years ago

Find the quotient: –37.44 ÷ 4.8 Check reasonableness by estimating: –37.44 4.8 Estimated quotient:

Brrunno [24]

Answer:

Step-by-step explanation:

The most important part of this question is the estimation. That means you round either up or down to get whole numbers.

You can make - 37.44 either - 40 or - 35

You can make 4.8 into 5

So the answer should lie between -40/5 = - 8

The answer should be between - 35/5 = - 7

Use your calculator to check it.

-37.44 ÷ 4.8 = - 7.8

This skill is very handy when shopping or writing a test. It you get an outrageous answer like - 21.44 you know you have done something wrong.

5 0

4 years ago

Read 2 more answers

42 point Plus brainliest slove it g(x) = (x + 2)(x − 1)(x − 2)

Dmitry_Shevchenko [17]

Answer:

x = -2,1, 2

Step-by-step explanation:

g(x) = (x + 2)(x − 1)(x − 2)

Assuming we are looking for the roots

0 = (x + 2)(x − 1)(x − 2)

Using the zero product property

0 = x+2 0 =x-1 0 = x-2

x=-2 x = 1 x =2

6 0

3 years ago

I need to know the answer to this

Valentin [98]

It is three fourth = 3/4

6 0

3 years ago

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7 girls in a bus. 7 backpacks per girl. 7 big cats per backpack. 7 little cats per big cat. bus driver is not in the bus. how ma

Nataliya [291]

7×2=14
2 for each girl

4 0

3 years ago