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2 years ago

Which number line correctly shows 0.8 + 0.3?

Mathematics

1 answer:

Korvikt [17]2 years ago

3 0

Answer: The numerical rule that shows 0.8 + 0.3 is the one between 0 and 1.

Step-by-step explanation: 0.8 is marked between 0 and 1.

eL 0.3 is marked between 0 and 1.

And the result between both lomarcas between 1 and 2.

I hope I have helped you.

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What is x for these qs 2x+7=3 1/2x-4=5 10-2x=5

qwelly [4]

Answer:

Step-by-step explanation:

1)=-2

2)=18

3)=2.5

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3 years ago

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The ordered pair (a,b)satisfies the inequality y need a little help

Ymorist [56]

Answer:

If you add 5 to a, it will be greater than b

Step-by-step explanation:

This is because if you have the inequality y<x+5 a=x b=y so by adding 5 to a meaning x 5+a will still be greater than b(y) with out changing the sign or inequality.

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2 years ago

Suppose that 21 out of 25 people who apply to a certain college are accepted. What percentage of people who apply are accepted t

IgorC [24]

Answer:

84%

Step-by-step explanation:

The first step is to write 21 as a fraction of 25, which is simply

21/25

Now we just need to convert this fraction to a percentage :

21/25 = 84

So, 21 is 84% of 25

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2 years ago

Two cars travel at the same speed to different destinations. Car A reaches its destination in 17 minutes. Car B reaches its dest

Goryan [66]

Answer:

speed of car A =Speed of car B=0.8 miles/minutes.

Step-by-step explanation:

We are given that speed of car A is equal to speed of car B.

Also let car A travels x miles.

and car B travels y miles.

Car A reaches its destination in 17 minutes.

this means that speed of car A is given by: $\dfrac{x}{17}$ miles/minutes ( since speed is defined as the ratio of distance and time).

Car B reaches its destination in 32 minutes.

This means that the speed of car B is given by: $\dfrac{y}{32}$ miles/minutes

as speed of both cars are equal this means:

$\dfrac{x}{17}=\dfrac{y}{32}$ ------(1)

Also we are given Car B travels 12 miles farther than Car A.

this means $y-x=12$

$y=12+x$ ------(2)

on using equation (1) and (2) we have:

$\dfrac{x}{17}=\dfrac{12+x}{32}\\ \\32x=17(12+x)\\\\32x=17\times12+17x\\\\32x-17x=17\times12\\\\15x=122\times17\\\\x=13.6$

Hence the speed of car A is 0.8 miles/minutes ( since x/17 is the speed of car A)

Speed of car B=0.8 miles/minutes.

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3 years ago

What is the slope of this line?

Rasek [7]

-1 will be the answer.

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2 years ago