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3 years ago

WILL GIVE BRAINLIEST

Mathematics

1 answer:

Rufina [12.5K]3 years ago

8 0

Answer:

Step-by-step explanation:

rate of change of graph,df(x)/dx

=(120-0)/(3-1)=60

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A box is filled with 5 blue cards, 6 yellow cards, and 3 brown cards. A card is chosen at random from the box. What is the proba

mars1129 [50]

4/7 of a chance. There are a total of 14 cars. 6 are yellow. 8 are not. 8/14 of the cards are not yellow. 8/14 simplifyed= 4/7.

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3 years ago

Read 2 more answers

What decimal is equal to 31/100

BlackZzzverrR [31]

Answer:

0.31

Step-by-step explanation:

So if you divide 31 by 100 all you have to do is move the decimal from right to left the number of zeros you have. Here we have 2 zeros so we move from right to left twice.

0.31

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3 years ago

A motor boat travels 60 miles down a river in 3 hours but takes 5 hours to return upstream. Find the rate of the boat in still w

prohojiy [21]

Step-by-step explanation:

Given that,

A motor boat travels 60 miles down a river in 3 hours but takes 5 hours to return upstream,

We know that,

Speed = distance/time

The rate while moving downstream $=\dfrac{60}{3}=20\ mph$

The rate while moving upstream $=\dfrac{60}{5}=12\ mph$

The rate of the boat in still water is the average of these:

$v_s=\dfrac{20+12}{2}=16\ mph$

The rate of the current is the difference between the boat speed and actual speed = 16 mph - 12 mph = 4 mph

Hence, this is the required solution.

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2 years ago

What is the value of X in the diagram

siniylev [52]

Answer:

3.5

Step-by-step explanation:

we can do proportions

12/16 = 10.5/4x

cross multiply

x = 3.5

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3 years ago

Hazel drove 41 miles. Hazel's car used 2 gallons of gas. How many miles per gallon did Hazel's car get? HELP!

horrorfan [7]

Answer:

she used 20.5 miles per gallon!

Step-by-step explanation:

41/2 = 20.5

3 0

3 years ago