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aleksandr82 [10.1K]
3 years ago
12

Every year on Earth Day, a group of volunteers pick up garbage at Hidden Falls Park. The time takes to clean the beach varies in

versely with the number of people picking up garbage. Last year, 36 volunteers took 6 hours to clean the park. If 69 volunteers come to pick up garbage this year, how long will it take to clean the park
Mathematics
1 answer:
KengaRu [80]3 years ago
8 0

Answer:

Step-by-step explanation:

f

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What is the length of side a?
Bad White [126]

\huge \bf༆ Answer ༄

According to given figure, The Triangle BDC is a right angled Triangle (Angle D = 90°)

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Now, let's solve ~

  • \sf \: BD {}^{2}   + CD {}^{2} =   BC {}^{2}

  • \sf4 {}^{2}  +  {3}^{2}  =  {a}^{2}

  • \sf16 + 9 =  {a}^{2}

  • \sf \: a {}^{2}  = 25

  • \sf \: a =  \sqrt{25}

  • \sf \: a  = 5 \: units

Therefore, Length of side a is 5 units ~

6 0
2 years ago
Trevor has two fraction models, each divided into equal-sized sections. The
erma4kov [3.2K]

Answer:

I will answer in a general way because the options are not given.

We know that the area of model A is smaller than the area of model B.

For model A, we have 72 shaded sections, out of 100.

Then the quotient of model A is:

72/100 = 0.72

For model B we have 10 sections, and x shaded ones.

Because model B is greater than model A, we know that:

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then we have the inequality:

x/10 > 0.72

x > 0.72*10

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And we can not have more than 10 shaded sections (because there is a total of 10 sections) then:

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Then x can be any whole number in that interval.

the possible values of x are:

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x = 9

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5 0
2 years ago
Find the radius of a circle that has a circumference of 16 .
omeli [17]

Answer:

2.55

Step-by-step explanation:

To find the radius, the formula is:

R = C/2 x pi

pi = 3.14

16/(2 x 3.14) = 2.54648

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6 0
3 years ago
The total cost of attending a state university is $19,700 for the first year. • A student's grandparents will pay half of this c
Temka [501]

Answer:

The student will have to save $404.2 minimum monthly

Step-by-step explanation:

Given that the total cost for the first year= $19,700

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If an athlete paid $5000

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For the student to clear this amount in 12 months he must save

monthly 4850/12= $404.166

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Look at abc. which triangle is congruent abc by the asa criterion
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There is only 1 triangle
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