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Monica [59]
2 years ago
9

The area of Argentina is about three tenths the area of the United States. Write this ratio as a percent.

Mathematics
1 answer:
Pani-rosa [81]2 years ago
7 0

Answer:30%

Step-by-step explanation:

three tenths means 3 / 10

Now,

( 3 / 10 ) × 100% (to convert to percent)

which is 30%

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How do you round an irrational number to the nearest hundredth
MariettaO [177]
To round to the nearest cent, nearest penny, or nearest hundredth, you will need to locate the hundredths place. Then look at the digit to the right. If it is 5 or above, the number in the hundredths place will be increased by 1 and all the rest of the numbers after it are dropped. If the number is 4 or below, you leave the digit in the hundredths place alone and drop all the rest of the numbers after. 

<span>Just remember, if the problem asks you to round to the nearest hundredth, make the end result look like money, meaning only two digits after the decimal point!</span>
7 0
3 years ago
What is the x-value of the solution to the system of equations?
ValentinkaMS [17]

Answer:

The solution to the system of equations is:

x=4,\:y=-3

Step-by-step explanation:

Given the system of equations

5x + 4y =8

2x- 3y = 17

solving the system of equations

\begin{bmatrix}5x+4y=8\\ 2x-3y=17\end{bmatrix}

\mathrm{Multiply\:}5x+4y=8\mathrm{\:by\:}2\:\mathrm{:}\:\quad \:10x+8y=16

\mathrm{Multiply\:}2x-3y=17\mathrm{\:by\:}5\:\mathrm{:}\:\quad \:10x-15y=85

\begin{bmatrix}10x+8y=16\\ 10x-15y=85\end{bmatrix}

10x-15y=85

-

\underline{10x+8y=16}

-23y=69

\begin{bmatrix}10x+8y=16\\ -23y=69\end{bmatrix}

solve for y

-23y=69

Divide both sides by -23

\frac{-23y}{-23}=\frac{69}{-23}

y=-3

\mathrm{For\:}10x+8y=16\mathrm{\:plug\:in\:}y=-3

10x+8\left(-3\right)=16

10x-24=16

10x=40

Divide both sides by 10

\frac{10x}{10}=\frac{40}{10}

x=4

Thus, the solution to the system of equations is:

x=4,\:y=-3

7 0
2 years ago
How can understanding decimals and fractions help you in real, everyday life? What can
Sati [7]

Step-by-step explanation:

Decimals are great for when you are dealing with money and want to round up, and fractions are used when baking (such as need 1/4 or a half cup of something)

6 0
3 years ago
ASAP NEED ANSWERS FOR BOTH QUESTIONS PLEASE :)
Nostrana [21]
Answer; 8inch, 4x larger
4 0
3 years ago
HELP PLEASE! if a||b what is the value of x?
Norma-Jean [14]

Answer: x=30 (Sorry for wasting your time if the answer is wrong)


Step-by-step explanation:

I did it the lazy way

80-20=60

60÷2=30

(If this is completely wrong then again, sorry)

8 0
3 years ago
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