in 10 min calebs heart can beat 700 times .Steve's heart beats 536 times in 8 minutes how many more times does calebs heart beat in 5 minutes than Steve's heart

Answers

Answer 1

Answer: Assuming that their heart will not increase speed or decrease speed of beating
Caleb: 700 times/ 10 minutes = 70 times/minute, hence in 5 minutes his heart beats 70 * 5 = 350 times
Steve: 536 times/ 8 minutes = 67 times/minute, hence in 5 minutes his heart beats 67 * 5 = 335 times
350-335 = 15 times
Caleb's heart beat 15 times more than Steve's in 5 minutes

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A test has 100 questions. Cora got 85 questions correct. What decimal shows the part of the test she answered correctly? What decimal shows the part of the test she answered incorrectly?model the decimals below.

Answers

Cora got 85% of it correct so the decimal form would be 0.85

85/100 would be what she got CORRECT, and then 15/100 would be what she got INCORRECT. You can easily make them both decimals, because it is over 100, into .85 (the amount she got correct) and .15 (the amount she got incorrect).

during a long race a professional cyclist was able to sustain a speed of 20 miles per hour. How far could this cyclist travel at that speed for 2 hours, 3 hours, and 3.5 hours?

Answers

You would just be multiplying, 20m by 2hr, 3hr, and 3.5hr. So 40, 60, and 70.

Whats the square root of 49

Answers

Answer:

The square root of 49 is 7. 7*7=49

Hope this helps,

The function A(b) relates the area of a trapezoid with a given height of 12 andone base length of 9 with the length of its other base.
It takes as input the other base value, and returns as output the area of the
trapezoid.
A(b) = 12.579
Which equation below represents the inverse function B(a), which takes the
trapezoid's area as input and returns as output the length of the othef base?

Answers

Answer:

$B(a)=(a)/(6)-9$

Step-by-step explanation:

see the attached figure , to better understand the problem

we have

$A(b)=12((b+9)/(2))$

where

A(b) ---> is the trapezoid's area

b ---> is the other base value

Solve the equation for b

That means ----> isolate the variable b

Divide 12 by 2 right side

$A=6(b+9)$

Divide by 6 both sides

$(A)/(6)=b+9$

subtract 9 both sides

$(A)/(6)-9=b$

Rewrite

$b=(A)/(6)-9$

Convert to function notation

$B(a)=(a)/(6)-9$

A combination of variables, numbers and at least one operation, but no equal sign

Answers

IT IS AN EXPRESSION.

Can anyone figure this out ?

Answers

so the question says that x is a multiple of y that means that y times something=x or
yz=x

A. says y is a factor of x
this is true because y times z=x so y is a factor of x

I can't read B and D

C. so it says x if a factor of 2y this might be true or false because if y is 2 and x=20 then 2y=4 and 20 is not a factor of 4
if we have y=2 x=4 then 2y=4 and 4 is a factor of 4

Can't read C and D but A is correct for sure

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