MATHEMATICS HIGH SCHOOL

     Shannonhad three times as many quarters as nickels. She had $2.40 in all. How many
quarters did she have? 

Answers

Answer 1
Answer: quarter = 25cents

2.40/0.25=9quarters and 15cents

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What is the product of 2 and 7 and what is the sum of 2 and 7

The elements of a function of x are (-4,1), (-2,0), (8,-1). What is the domain of the function?

Answers

Domain is the first value or xs

[-4, -2, 8]

Solve for x. 7(x - 3) = 4(x + 5)

Answers

7(x-3) = 4(x+5)
7x - 21 = 4x + 20
7x - 4x = 20 + 21
3x = 41
x = 41/3
x = 13.67

7 times the difference of a number and 3.2 is 8.4.

Answers

because subtraction comes before multiplication on the order of operations we have to put in parenthasis in this problem.

(x-3.2) is what we have so far.

then we multiply it by 7

so 7(x-3.2)=8.4

A news station in oregon recorded that the low temperature for 5 days were -3,-2,2,2, and 6.what was the average temperature for those days

Answers

 [ (- 3) + (-2) + 2 + 2 + 6 ] / 5 = 5 / 5 = 1.

Answer:

answer is 1

Step-by-step explanation:

Sum of numbers = -3-2+2+2+6 = 5

Count = 5

So, Average = 5/5

=> Average = 1

If x = 30 degree, then which expression is equivalent to 1/2?a. -sin x
b. sin x
c. -cot x
d. cot x

Answers

sin30^o=(1)/(2)\n\nAnswer:b.\ sinx

Kendra rides a bicycle on a path that is 84 miles her average speed is 7 miles per hour to find about how long the trip takes solve the distance formula d = rt for t then substitute to find the time the trip takes

Answers

Answer:

Hello There!

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Kendra is planning to ride her bike that is 84 miles long. She plans to average 7 miles per hour. How long will the trip take?

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time = distance/rate

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t = 84 miles/7 m/hr = (84/7)hrs = 12 hrs.

Cheers,

Stan H.

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So the answer is 12 hours.

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Hope this helped you. Brainliest would be nice!
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