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2 years ago

Jerry was walking Down the block. He walked 12 miles on Friday and 23 miles on Saturday. What’s an estimate of this awnser

Mathematics

1 answer:

adell [148]2 years ago

4 0

Jerry walked 30 miles

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If there are approximately 1.8 million cars in Vancouver and if each car travels an average of 17,500 kilometres in a year, how

Goryan [66]

Rates are used to measure a quantity over another.

The 1.8 million cars use $1.85 \times 10^{10}$ liters each year

Given

$Cars = 1.8\ million$

$d = 17500km$ --- distance

$r = 40miles/gallon$

First, we calculate the number (n) of gallons used by each car

$r = \frac{d}{n}$

Solve for n

$n = \frac{d}{r}$

So, we have:

$n = \frac{17500km}{40miles/gallon}$

$n = \frac{17500km}{40miles}gallon$

Convert miles to kilometers

$n = \frac{17500km}{40km \times 1.60934}gallon$

$n = \frac{17500km}{64.3738km}gallon$

$n = 271.85\ gallon$

The number of gallons (N), used by all the cars is:

$N = n \times cars$

$N = 271.85 \times 1.8\ million$

$N = 489330000$

Convert to liters

$N = 489330000 \times 3.78541L$

$N = 1852314675.3L$

In scientific notation to 2 decimal places, we have:

$N = 1.85 \times 10^{10}L$

Hence, the number of liters used is $1.85 \times 10^{10}$

Read more about distance and rates at:

brainly.com/question/24659604

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3 years ago

What is the value of -33 over 9+2

Nataly [62]

Answer:

Step-by-step explanation:

+ 2

1 2 3 4 5 6 7 8 9 10 11

what the- to easy bro

7 0

2 years ago

Jason has $800 more than Paul. Alex has $150 less than Jason. How much more does Alex have than Paul?

jolli1 [7]

Hey there!!

Jason = 800 + Paul

Alex = Jason - 150

How much more does Alex have the Paul?

Let's take the equation of Alex

... Alex = Jason - 150

... Add 150 on both sides

... Alex + 150 = Jason

Now we have the equation for Jason,

... Jason = 800 + Paul , and we got Alex + 150 = Jason

... Now let's plug in the values

... Alex + 150 = 800 + Paul

Subtract 150 on both sides...

Alex = 800 - 150 + Paul

... Alex = 650 + Paul

Now we got the answer for our question :

The answer - Alex has $650 than Paul.

Hope my answer helps!!

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3 years ago

Which decimal has the greatest value?

cupoosta [38]

Answer:

Answer: D

Step-by-step explanation:

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2 years ago

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A line is perpendicular to a line . Line has a slope of . What is the slope of line ?

Assoli18 [71]

Answer: you said line has a slope of.

Step-by-step explanation:

So what does it say it is

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2 years ago