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3 years ago

I need help if you get it right I will mark you

Mathematics

2 answers:

pav-90 [236]3 years ago

6 0

Answer:

%30 off is the better price

Step-by-step explanation:

firstly we know that 2 - 12 is equal to 10 so that is $10.00 there from that coupon

to find out the second value, we first devide by the total amount (%100 in this case)

12 / 100 = 10.12

then we multiply by the partial amount (%30)

0.12 * 30 = 3.6

convert that into a dollar amount and we get the total discount in dollars

3.60 = $3.60

AND

$3.60 > $2.00

hope this helps ya, take care mate :D

nata0808 [166]3 years ago

4 0

More simply,

30% —> .3

.3x12=3.6

lol

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Help me I need help I need help

Licemer1 [7]

Answer:

$\Huge\boxed{131.88}$

Step-by-step explanation:

Hello There!

First thing we want to do is find the formula for circumference of a circle

C = 2(3.14)r

where r = radius

we are given the diameter so we have to convert that into radius to do so we just divide by 2

42/2=21 so the radius equals 21 inches

now we just plug in 21 for r in the formula

$C = 2(3.14)21\\2*3.14=6.28\\6.28*21=131.88\\C=131.88$

So we can conclude that the circumference of the circle is 131.88 inches

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3 years ago

Factor Please help me I will mark as brainliest

aalyn [17]

Answer:

hope this will help you

Step-by-step explanation:

$b { }^{2} - 81 = 0 \\ b {}^{2} = 81 \\ b = \sqrt{81} \\ b = 9$

6 0

3 years ago

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40 points! Determine the area of the figure below round to the nearest hundredth

densk [106]

Answer: 60 + 13 sqrt 10

the top part adds up to 10 and the bottom part is 13

so you get a 7-3-2 sqrt 10 triangle to the left

the area of that is 3 sqrt 10

the area of the leftmost rectangle is 5 * 2sqrt 10 which is 10 sqrt 10

the area of the big vertical rectangle is 5*12 which is 60

so you add them up

60 + 13 sqrt 10

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3 years ago

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A car travels 83 7/10 miles on 2 1/4 gallons of fuel which is the best estimate of miles the car travels on one gallon of fuel

jeka94

To solve this problem we can use proportion, but first its nice to transform our fraction into improper fraction, so
$83 \frac{7}{10}= \frac{837}{10}$
and
$2 \frac{1}{4}= \frac{9}{4}$
Now we can make proportion

$\frac{837}{10}$ -------------------------- $\frac{9}{4}$ of fuel
x----------------------------- $1$
Now we can cross multiply

$x= \frac{ \frac{837}{10} }{ \frac{9}{4} }= \frac{837}{10}* \frac{4}{9} = \frac{3348}{90}=37.2$ - its the result

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4 years ago

In a particular year, a total of 50,127 students studied in two of the most popular host countries when traveling abroad. If 838

Arlecino [84]

Answer:

In the most popular abroad country: 29,255 students

In the second-most one: 20,872 students

Step-by-step explanation:

Let's write the situation in an equation to help us solve this. X represents the amount of students in the second most popular country. So we know that in total, there's 50,127 students so let's make an equation that equals this. ???????=50,127. As we know, the most popular country has 8383 more students than the second one so we can write it as x+8383 and for the second most popular country, we can write it as x. We know that both of the countries students combined equal 50,127 students so we have our equation. (x)+(x+8383)=50,127 students. After solving the equation, you get x=20, 872. As we know x=the amount of students in the second most popular country which means there's 20,872 students in the second one. Additionally, for the first most popular one, the equation for the amount of students in it is x+8383 so..... 20,872+8383=Total number of students in the most popular one which is 29,255 students.

7 0

3 years ago