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3 years ago

At a school, 177 students play a sport. This is 60% of the students that go to the school. How many students are at the school?

Mathematics

1 answer:

TEA [102]3 years ago

7 0

Answer:

the answer is 205

Step-by-step explanation:

%/100 X is/of 177 IS 60% of the students. so you put 60/100 and multiply 177/X 177X100=17700. Now divide that by 60 and you come up with 28.33. This obviously is not the answer so you add 28 (does not round up to 29) to 177 and you get 205.

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Answer:

9h² + 51h + 28

Step-by-step explanation:

(5h + 4)(4h + 7)

=> 9h² + 35h + 16h + 28

=> 9h² + 51h + 28

Therefore, 9h² + 51h + 28 is the simplified expression.

Hoped this helped.

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Let r(t)=⟨t2,1−t,4t⟩. calculate the derivative of r(t)⋅a(t) at t=5, assuming that a(5)=⟨−4,4,−5⟩ and a′(5)=⟨−5,9,3⟩

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3 years ago

Can someone please help me with this!

Gelneren [198K]

Answer:

Sue takes 3.3 hours to kayak 11 miles & marty takes 3.5 hours on her horse

Step-by-step explanation:

Sue's kayaking path is the hypotenuse of a right triangle.

so we use a squared + b squared = c squared

10.5^2+3.2^2=c^2

110.25+10.24=c^2

120.49=c^2

10.9768=c

and then because it said to round to the nearest tenth that would be 11.0 miles.

She's going at an average speed of 3.3 mph

that means it takes her about .3 hours to do 1 mile

so it would take her 3.3 hours to go 11 miles

marty is going at an average speed of 7 mph

so she takes 0.14 hours to go 1 mile

0.14 x 25 = 2.5

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3 years ago