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storchak [24]
3 years ago
13

Find the value of x . round the nearest hundredth . A.12.37B.7.51C.10.63D.9.79

Mathematics
1 answer:
Andreas93 [3]3 years ago
7 0

Answer:

The answered is C because you do

Step-by-step explanation:

x^2= 8^2 + 7^2


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michelle bought the same fabric on 3 different occasions and recorded the data below what was the price per yard of fabric? answ
bazaltina [42]

Please consider the complete question.

Michelle bought the same fabric on 3 different occasions and recorded the data below.

Yards of Fabric         Total Cost

2.2                             $2.53

3.6                             $4.14

4.2                             $4.83

What was the price per yard of fabric?

To find the cost per yard of fabric, we will divide cost of yards by number of yards.

\text{Cost per yard}=\frac{\text{Cost}}{\text{Number of yards}}

\text{Cost per yard}=\frac{\$2.53}{2.2\text{ yards}}

\text{Cost per yard}=\frac{\$1.15}{\text{ yard}}

Let us find cost per yard using 2nd set of data.

\text{Cost per yard}=\frac{\$4.14}{3.6\text{ yards}}

\text{Cost per yard}=\frac{\$1.15}{\text{ yard}}

Similarly we will find cost per yard for 3rd set of data.

\text{Cost per yard}=\frac{\$4.83}{4.2\text{ yards}}

\text{Cost per yard}=\frac{\$1.15}{\text{ yard}}

Therefore, the cost per yard of fabric is $1.15.

4 0
3 years ago
What is 30% of 8 cups?
uranmaximum [27]

Answer:

<h2>30% of 8 cups is 2.4 cups</h2>

Step-by-step explanation:

\bold{METHOD\ 1:}\\\\p\%=\dfrac{p}{100}\\\\30\%=\dfrac{30}{100}=0.3\\\\30\%\ of\ 8\ cups\to0.3\cdot8\ cups=2.4\ cups

\bold{METHOD\ 2:}\\\\\begin{array}{ccc}100\%&-&8\ cups\\\\30\%&-&x\end{array}\qquad\text{cross multilpy}\\\\100x=(30)(8)\\\\100x=240\qquad\text{divide both sides by 100}\\\\\dfrac{100x}{100}=\dfrac{240}{100}\\\\x=2.4

4 0
3 years ago
who was often called the father of modern mathematics because he created analytic geometry and the cartesian coordinate system?
valentina_108 [34]

René Descartes was the person who created analytic geometry and the Cartesian coordinate system

3 0
3 years ago
How much pure water must be mixed with 10 liters of a 25% acid solution to reduce it to a 10% acid solution.
Nadya [2.5K]
The answer is B

15 L of pure water must be mixed with 10 L of a 25% acid solution to reduce it to a 10% acid solution
3 0
3 years ago
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O MATHEMATICAL READINESS
Vlad [161]

Answer:

2w=3-1

2w=2

w=2/2

w=1

Step-by-step explanation:

plzzzzzzz follow me

and Mark my answer in brainlist

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