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Kryger [21]
3 years ago
7

The Sommers family planted a new flower garden. 20% of the flowers are yellow, 15% of the flowers are purple, 40% of the flowers

are pink, and 25% of the flowers are white. If they planted 80 different flowers, how many of the flowers are yellow?
Mathematics
1 answer:
Alchen [17]3 years ago
5 0
16 flowers are yellow. 20 is 1/5 of a hundred, 80÷5=16.
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△ABC is a right isosceles triangle, the centers of two arcs are the midpoint of AB
mel-nik [20]

Answer:

  0

Step-by-step explanation:

Let's define 3 areas:

  • S = area of semicircle with radius 6 in (diameter AB)
  • T = area of quarter circle with radius 6√2 in (radius AC)
  • U = area of triangle ABC (side lengths 6√2)

The white space between the "moon" and the triangle has area ...

  white = T - U

Then the area of the "moon" shape is ...

  moon = S -white = S -(T -U) = S -T +U

The area we're asked to find is ...

  moon - triangle = (S -T +U) -U = S -T

__

The formula for the area of a circle of radius r is ...

  A = πr²

So, ...

  S = (1/2)π(6 in)² = 18π in²

and

  T = (1/4)π(6√2 in)² = 18π in²

The difference in areas is S -T = (18π in²) -(18π in²) = 0.

There is no difference between the areas of the "moon" and the triangle.

4 0
3 years ago
Mrs. Kennard has a circular garden with radius of 4.5 ft. she wants to put up a wood fence around half of garden and a steel fen
sveticcg [70]

Answer:108.33, assuming that the wood fence goes around the garden and doesn’t cut across it as well

Step-by-step explanation: 4.5 times 2 times pi to find circumference. Divide by 2 because it is only half of garden. Times by 12 to convert to inches. Divide by 36. Multiply by 23.

6 0
3 years ago
If the length of a rectangle is 4.3 feet and its width is 2.7 feet what is its are and its perimeter
Dvinal [7]
The area is 11.61 square feet and the perimeter is 14 feet. i hope this helps :)

Area=Length times width

Perimeter=Length+Length+width+width
7 0
3 years ago
Read 2 more answers
Compound inequalities
Novosadov [1.4K]
Thank goodness for you I do not have a credit for the math question mark so I do thank goodness for you I did not know what you did do not answer please please answer answer question answer answer me thank the answer please please answer please please thank thank goodness
7 0
3 years ago
Pls solve this I need explanation also for this pls pls
Westkost [7]

Answer: 220 yards

Step-by-step explanation:

1 mile equals 1,760 yards

1,760 ÷ 8 = 220 yards

8/8 is 1... so that 1 is equal to the 1,760

You could divide it by 8 as shown above OR to double check yourself.. take your answer of 220 yards and add that 220 to 220 a total of 8 times which will give you your 1 mile equaling to 1,760 total yards which makes 1/8 mile equal the 220 yards. (I really hope this helps and makes sense as to how I figured that out for you:-) )

3 0
3 years ago
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