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3 years ago

SOMEONE PLEASE HELP ME

Mathematics

2 answers:

Goshia [24]3 years ago

8 0

Answer:

help you with what exactly?

lesya [120]3 years ago

7 0

Answer:

please upload your question so that we may able to help you.....

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I NEED HELP PLEASE Which is the better buy?

Vladimir79 [104]

Answer: The second one, 10 rolls for $12. 1.29 (Rounded)

Step-by-step explanation:

14/18 is 1.29 (Rounded)

10/12 is 1.20.

The unit rate is cheaper, therefore making it the better buy

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3 years ago

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The population of a city has decreased by 38% since it was last measured. If the current population is 9300, what was the previo

Tpy6a [65]

To get the previous population you would have to multiply 9,300 by 38% (.38) and then add it to 9,300, or you can also multiply it by 138% (1.38) and still get the same answer but this step is only a one step the first is a two step process

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3 years ago

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PLEASE ANSWER THIS I BEG FOR YOUR MERCY!!!!!!!!!!!! if you dont know....dont answer

Andreyy89

Answer:

the answer is the second choice

Step-by-step explanation:

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3 years ago

Two trains leave stations 306 miles apart at the same time traveling toward each other one is traveling at 90 mph the other at 8

Sergeu [11.5K]

Answer:

They will meet in 1.8 hours.

Step-by-step explanation:

Given that, distance between trains = 306 miles

Let they take time $'t'$ to meet each other.

Speed of first train = 90 mph

Speed of second train = 80 mph

Let distance traveled by first train = $D_1$ miles

Formula for distance:

$Distance = Speed \times Time$

Distance traveled by first train, $D_1 = 90t$

Let distance traveled by first train = $D_2$ miles

Formula for distance:

$Distance = Speed \times Time$

Distance traveled by first train, $D_2 = 80t$

Total distance traveled is 306 miles.

i.e.

$D_1+D_2=306\\\Rightarrow 90t +80t=306\\\Rightarrow 170t=306\\\Rightarrow t =\dfrac{306}{170}\\\Rightarrow \bold{t=1.8\ hr}$

They will meet in 1.8 hours.

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3 years ago

How can i write 3.06 in standard form for scientific notation

vichka [17]

In scientific notation it would just be 3.06 x 0, it is the same thing as the regular notation.

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3 years ago