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ra1l [238]
3 years ago
5

A circular swimming pool has a diameter of 60 feet, and is surrounded by a concrete sidewalk that is 5 feet wide. What is the ar

ea of the sidewalk? Round to the nearest square foot.
Mathematics
2 answers:
kow [346]3 years ago
6 0
3318.31 - 2827.433 = 490^2ft
Arisa [49]3 years ago
4 0
You have to divide to find the nearest square foot. first, think of a multiplication, for example: 5x_=60. you resight the multiplication chart of 5. you founded out it was 12. check if it is 12, use your calculator( or phone, if you dont have a calculator). its correct. so your answer is 12 that is the nearest square foot. .



Hope it helps you in your assignment!
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Laura painted her room with pink paint that was made by mixing paint at a ratio of 5 parts white paint to 2 parts red paint. Wil
lakkis [162]

Answer:

No

Step-by-step explanation:

Laura painted her room with pink paint that was made by mixing paint at a ratio of 5 parts white paint to 2 parts red paint.

Suppose Laura has 15 parts of white paint. This is thrice the amount Laura needs (because 15:5=3), so she has to have

2\cdot 3=6

parts of red paint.

Hence, if Laura combines 15 parts white and 3 parts red paint, then she will not create the same shade of pink as she used.

7 0
3 years ago
Find the values of the six trigonometric functions for angle θ.Give answers in simplest form.
natita [175]

Answer:

sin (theta) = \frac{\sqrt{15} }{8}

cos (theta) = \frac{7}{8}

tan (theta) = \frac{\sqrt{15} }{7}

cot (theta) = 7 square root 15/15

sec (theta) = \frac{8}{7}

csc (theta) = 8 square root 15/15

Step-by-step explanation:

7 0
3 years ago
Can anyone plz help me ? i'd really appreciate it
Blizzard [7]

Answer:

8 2/3 units.

Step-by-step explanation:

As bothe the circles and the arcs are congruent, the chords QR and LN are also congruent.

So LN = QR

x + 7 = 4x + 2

7 - 2 = 4x - x

3x = 5

x = 5/3.

Therefore the length of QR = 4x + 2

= 4(5/3) + 2

=  20/3 + 6/3

= 26/3

= 8 2/3 units.

4 0
2 years ago
The ratio of green marbles to total marbles in a bag is 2:9. The ratio of red marbles to total marbles in the same bag is 1:3. W
Ne4ueva [31]

There are more red marbles in the bag..

Because,

Ratio of green marbles to total marbles=2/9=0.222

And

Ratio of red marbles to total marbles=1/3=0.333

5 0
3 years ago
What is 2 x 9 x 18 x 28 x 46 x 58, its a hard question
Yuliya22 [10]
2x9 is 18x18 is 324 x28 is 9072 x 46 is 417,312 so the x 58 the answer is 24,204,096
8 0
3 years ago
Read 2 more answers
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