MATHEMATICS HIGH SCHOOL

For a science experiment, Mr. Barrows divides 3/4 cup of salt into small jars, each containing 1/10 cup. If he has 1/7 cup of salt left over, how many jars does he fill? Enter an expression you could use to solve the problem.

Answers

Answer 1
Answer:

Answer:

Kindly check explanation

Step-by-step explanation:

Given that :

Initial cup of salt = 3/4 cups ; divided into small jars

Fraction of salt in small jars = 1/10 cup

Fraction left over = 1/7 cup

Number of jars filled?

The fraction divided into the jars :

Initial amount - left over

3/4 - 1/7

(21 - 4) / 28

17 / 28

Fraction of salt per jar = 1/10

Number of jars filled :

Total fraction divided into jars / fraction of salt per jar :

(17 / 28) ÷ (1 /10)

(17 / 28) * (10 / 1)

170 / 28

= 6.0714

= 6 jars

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5 students participated in a push-up competition.The amount of push-ups each student completed is listed: 12, 7, 10, 11,5
What was the mean number of push-ups?

Answers

Answer: 9

Step-by-step explanation:

Formula : Mean = \frac{\text{Sum of observations}}{\text{Number of observaions}}

Given: 5 students participated in a push-up competition.

The amount of push-ups each student completed is listed: 12, 7, 10, 11,5.

Mean = (12+7+10+77+5)/(5)

=(45)/(5)=9

Hence, the mean number of push-ups = 9

Change the fraction to a percent. 48/72

Answers

48/72= .6666
The answer is 66%
I got 65.2778%. I may have gotten a different answer then you.

If you watch 3 hours of television, What will the ratio be

Answers

Answer:

First part is 1:2 because there is 1 hour to every 2 shows. Second part is 3:6 shows because 3 hours is 6 shows. Hope this helps, please rate brainiest answer!
I think it could be possibly 1:9 because there is 1 hour to every 2 shows

Consider the equation 6x+3y=9. Which equation, when graphed with the given equation, will form a system with infinitelymany solutions?
y+ 2x - 3
Oy+ 2x - 9
Oy - 2x+3
Oy--2x9

Answers

Answer:

y=-2x+3

Step-by-step explanation:

6x+3y=9\n \n3y=-6x+9\ny=-2x+3

step 1: subtract 6x on both sides

step 2: divide all numbers by 3 to get y by itself.

six girls and four boys have entered the science fair. first, second, and third place awards are to be given out. what is the probability that exactly one girl and two boys will recite awards? express your answer as a percent

Answers

The probability  that exactly one girl and two boys will recite awards is 10%.

Probability

Given:

6 girls +4 boys

Hence:

Probability of a girl  getting the first place =6/10

Probability of a boy  getting the second place=4/9

Probability of a boy  getting the third place=3/8

Total probability:

Total probability=6/10×4/9×3/8

Total probability=0.1×100

Total probability=10%

Therefore the probability  that exactly one girl and two boys will recite awards is 10%.

Learn more about probability  here:brainly.com/question/24756209

#SPJ6

Answer:

10%

Step-by-step explanation:

was right on edge

4a+b-3=2b
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Answers

4a+b-3=2b\n\n4a-3=2b-b\n\nb=4a-3\n\nthis\ is\ a\ linear\ eqation
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