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exis [7]
3 years ago
7

Find the area of the circle. Use 3.14 for pi

Mathematics
2 answers:
Harman [31]3 years ago
6 0
Answer:

530.66 cm^2

Explanation:

Equation: 3.14•13^2

13^2= 169

3.14•169= 530.66

sweet-ann [11.9K]3 years ago
3 0

Answer:

A =530.66 cm^2

Step-by-step explanation:

To find the area of a circle we use the formula

A = pi r^2

The radius is 13 and pi is approximated by 3.14

A = 3.14 (13)^2

A =530.66 cm^2

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What is the height of this triangle?
nikklg [1K]
A = 1/2 b h
5 = 1/2 (5) h
10 = 5h
h = 10/5
h = 2

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How long will it take you to drive 175 miles of 25 miles per hour
Paha777 [63]
So if you're driving 25 miles per hour, it would take you 7 hours to drive 175 miles. 175 miles ÷ 25 miles = 7 hours.
8 0
3 years ago
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Which is more 1/4 of rhe cheese pizza or 2/5 of the onion pizza
Leni [432]
Who eats onion pizza?

anyway, make bases same

1/4 times 5/5=5/20
2/5 times 4/4=8/20
5/20 vs 8/20
8/20 i bigger

2/5 is bigger

actaully depends on how big th pizza is
cheese could be 12 feet wide and the onion could be 12 inches wide
6 0
3 years ago
Convert these unlike fractions to equivalent like fractions and add them. You must use the lcd to get the answer correct. If pos
ra1l [238]

Unlike fraction 1/7 is converted to equivalent  like fraction 2/14 and the sum of 2/14 + 3/14 = 5/14.

As given in the question,

Given fraction is equal to:

1/7=? + 3/14=?

Here there are two fractions

1/7 and 3/14

LCD( least common denominator) of 7 and 14 is equal to 14.

Now make them like fractions

1/7 is equivalent to

( 1/7) × ( 2/2) = 2/ 14

Now 2/14 and 3/14 are like fractions

Sum of like fractions is:

2/14 + 3/14

= ( 2+ 3) / 14

= 5/ 14

Therefore, the conversion of unlike fraction 1/7 to like fraction is 2/14. And sum of 2/14 + 3/14 = 5/14.

The complete question is:

Convert these unlike fractions to equivalent like fractions and add them. You must use the LCD to get the answer correct. If possible, reduce the final sum. 1/7=? + 3/14=?

Learn more about fractions here

brainly.com/question/10354322

#SPJ4

4 0
1 year ago
Please answer these 2 questions. I promise to mark as brainliest if you can solve with steps. Thank you.
neonofarm [45]

Answer:

see explanation

Step-by-step explanation:

4

Since the triangles are similar then the ratios of corresponding sides are equal, that is

\frac{BC}{EF} = \frac{AB}{DE} ( substitute in values )

\frac{x-1}{18} = \frac{4}{12} ( cross- multiply )

12(x - 1) = 72 ( divide both sides by 12 )

x - 1 = 6 ( add 1 to both sides )

x = 7

------------------------------------------------------------------------------

5

The parallel line segment SV is half of RW

that is x = 7.5

SV also divides the sides RT and WT in proportion, that is

\frac{10}{3} = \frac{8}{y} ( cross- multiply )

10y = 24 ( divide both sides by 10 )

y = 2.4

6 0
3 years ago
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