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1 year ago

5

Help (add why you got this answer please)

2 answers:

DENIUS [597]1 year ago

8 0

Answer:

Yes.

Step-by-step explanation:

First of all, both of the dots are in the right spot. Second of all, 10 is bigger than 11. Even though there are decimals after, it still doesn't matter because the ones place is bigger.

hope this helped! :)

scoray [572]1 year ago

5 0

She is incorrect

On one part of the number line she wrote days and on another part she wrote hours. You can only have one label not two different ones.

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den301095 [7]

Answer:

what does it pass through

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2 years ago

Roberto is 3 years older than Carolyn. In 7 years the sum of their ages will be 81. How old is Roberto now?

Nuetrik [128]

Answer: 35

the age of Roberto is x (x > 3)(x ∈ N)

because Roberto is 3 years older than Carolyn => the age of Carolyn is x - 3

in 7 years, the age of Roberto is x + 7; the age of Carolyn is x - 3 + 7 = x + 4

because In 7 years the sum of their ages will be 81 =>

x + 7 + x + 4 = 81

⇔ 2x + 11 = 81

⇔ 2x = 70

⇔ x = 70/2 = 35

=> the age of Roberto is 35

Step-by-step explanation:

3 0

2 years ago

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FinnZ [79.3K]

Answer:

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Step-by-step explanation:

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2 years ago

Sarah walks to school, 1.5 miles in 30 minutes. what is the snswer to this

nevsk [136]

Answer: 3 mi/h

Step-by-step explanation:

Here we have to find the speed $V$ at which Sarah walks to school, knowing the distance $d$ she has walked and the time $t$ she expends.

So, in this case we can use the following equation:

$V=\frac{d}{t}$

Where:

$d=1.5 mi$

$t=30 min \frac{1 h}{60 min}=0.5 h$

Solving:

$V=\frac{1.5 mi}{0.5 h}$

$V=3 mi/h$ This is Sarah's speed

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3 years ago

a machinist can produce 114 parts in 6 minutes. at this rate, how many parts can the machinist produce in 15 minutes

Lynna [10]

Answer:

285!

Step-by-step explanation:

First you have to find out how may parts are produced in a single minute.

We know that 114 parts are produced in 6 minutes so to find how may parts are made in one minute divide 114 by 6 and get an answer of 19

114÷6=19

Now to find how may parts are produced in 15 minutes multiply 19 (number of parts produdced in one minute) by 15 and get an answer of 285!

19×15=285

Hope this helped! :)

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2 years ago