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2 years ago

you know that if 15÷3=5 then 5×3=15. if you know that 7÷8=7/8, what can you conclued about the product of 7/8 and 8

Mathematics

1 answer:

PSYCHO15rus [73]2 years ago

5 0

Answer:

The product = 7

Step-by-step explanation:

7/8 * 8 = 7

(Multiplying a fraction by its denominator cancels the denominator out)

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22 more than four times a number is less than 82 <br><br> (Inequality equation)

Tanzania [10]

22^4c-82. Is the equation I think you are looking for.

5 0

3 years ago

Cole ride his bike for 45 miles at a rate if 15 miles per hour. How long did it take him to ride in 40 miles? PLEASE HELP

tatiyna

15x=45
45/15 =3
X=3
45 miles in 3 hours

How long did it take for 40 miles?

15x=40
40/15 = 2.6666667

15 x 2= 30
15 x 2.5 = 37.5
15 x 2.6 = 39
15 x 2.7 = 40.5
1 hour equals 60 mins

Answer:
It took Cole about 2 hours and 6 mins to ride 40 miles.

5 0

3 years ago

A survey was done to determine the effect of students changing answers while taking a multiple-choice test on which there is on

Umnica [9.8K]

Answer:

6% of the changes were from incorrect to incorrect

Step-by-step explanation:

The sum of the percentages must be 100%.

We have these following percentages

65% of the changes were from incorrect answers to correct

29% were from correct to incorrect

P% were from incorrect to incorrect

$65 + 29 + P = 100$

$P = 100 - 94$

$P = 6$

6% of the changes were from incorrect to incorrect

7 0

3 years ago

Sin^2xcsc^2x=sin^2x+cos^2x

Otrada [13]

The second part = 1

the second part could be written sin²x.(1/sin²x), since cscx =1/sinx

hence 1 = 1

3 0

3 years ago

Use elimination to solve the system.

julia-pushkina [17]

Answer:

the answer to your question is (9,3)

4 0

2 years ago