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IrinaK [193]
4 years ago
11

The diameter of a circle is 7 cm. Find its circumference in terms of \piπ.

Mathematics
1 answer:
ycow [4]4 years ago
8 0

Answer: 7π

Step-by-step explanation:

7 * n    since it says in terms of pie, you do not have to multiply just leave pie alone.

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The high school athletics department is installing a new rectangular addition to their current practice field. the length of the
artcher [175]

The system of inequalities that best describes this situation provided A represents the area in which the entire field exists:

$\left \{ {{A \geq x^{2} +10x+300} \atop {A \leq 1200}} \right.

<h3>What are word problems?</h3>

Word problems in mathematics exist methods we can utilize variables, algebra notations, and arithmetic operations to solve real-life cases.

We have a new addition to the current rectangular field,

Let that new addition to the current rectangular field be x

Length of the new addition = 10x

Twice the width of the new addition = 2x²

Original area of the field = 300

From the above information, we can derive a quadratic equation:

2x² + 10x + 300

Also, we exist given a constraint that the total area of the practice field should be no more than 1200.

It can be less than 1200 or equivalent to 1200.

Therefore, the system of inequalities that best describes this situation provided A represents the area in which the entire field exists:

$\left \{ {{A \geq x^{2} +10x+300} \atop {A \leq 1200}} \right.

To learn more about quadratic equations refer to:

brainly.com/question/1214333

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4 0
1 year ago
Answer this question please and thank you
Georgia [21]

0.377 + 5.51 = 5.887

Sorry I can only solve the first one. Could you give me a hint on how to do the second one ?

5 0
3 years ago
Read 2 more answers
12.5% of a number is 25, find the number
tankabanditka [31]

Answer:

200

Step-by-step explanation:

Let's call the number x :
12.5% of x = 25

Changing 12.5% into decimal would be 0.125

Now we have the equation :

0.125x = 25

Divide both sides by 0.125 to make x the subject :

x = 25 ÷ 0.125

x = 200

To check we can substitute this value into the question :

12.5% of 200 = 25

Hope this helped and have a good day

4 0
2 years ago
This scatter plot show the relationship between the temperature and amount of sales at a store. The line of best fit is shown on
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Answer:

a) b ≈ 100

b) m ≈ 30

Step-by-step explanation:

5 0
3 years ago
a store donated 2 1/4 cases of crayons to a day care center. each case holds 24 boxes of crayons; each box holds 8 crayons. how
kifflom [539]
I don't know if I did it right but if u multiply 8 by 24 u get 192 I hope I helped <span />
8 0
3 years ago
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