MATHEMATICS HIGH SCHOOL

What number is added to 0.035 to obtain 4.036?

Answers

Answer 1
Answer: 0.035 + x = 4.036
get x on its own
x = 4.036 - 0.035 = 4.001
so 4.001 is added

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George usually takes 1.5 hours to mow his neighbor’s grass and trim the bushes. Today he has only 0.75 of the usual amount of time to complete the job. Which operation describes how to find the amount of time George has to complete the job?

Answers

Anyhoot, you can multiply 1.5 by 0.75 to find the time. And you can multiply by 60 to get 67.5 minutes, aka, 1.125 hours
the answer is 1.125 by the way

A bag of cookies can be shared equally among 2,3,4,5, or 6 people.What is the least number of cookies the bag could have?hat is the least number of cookies the bag could have?

Answers

The number of cookies must be the least common multiple of these numbers.

\hbox{lcm}(2,3,4,5,6)=60

so im trying to help my little brother with his home work an i suck at math so can anyone tell me what 5/9X54

Answers

First do 5 divided by 9. Then 0.56 times 54. Your answer is 30. Have a great day!
So, in this problem, its basically multiplying a whole number with a fraction. So what you do is.... multiply 54 by 5 and you get 120. Then, you do 54 multiplied by 9 and get 486. Then, you will have 120/486! That will be your answer to this problem.

A small town with a population of 1,200 residents held elections for the position of mayor. Four candidates had announced their candidature for the election. On the day of the election, a local newspaper conducted an exit poll near two polling booths with two groups of 100 residents each. The results are given in the table shown below.Name Group A Group B
Chris Jones 51 29
Patrick Smith 6 4
Michael Small 30 54
Susan Davis 13 13


Which of the following statements about the data above is true?
A.
The estimated number of residents who would have voted for Michael Small is higher for Group B than Group A.
B.
The estimates for both groups show an equal number of residents would have voted for Michael Small.
C.
The estimated number of residents who would have voted for Susan Davis is higher for Group A than Group B.
D.
The estimated number of residents who would have voted for Michael Small is higher for Group A than Group B.

Answers

Answer:

D.

The estimated number of residents who would have voted for Michael Small is higher for Group A than Group B.

Step-by-step explanation:

Solve for x in the equation 5.7 + 4.8x = 8.5.

Answers

Answer:

x = .58

Step-by-step explanation:

5.7 + 4.8x = 8.5

4.8x = 8.5 - 5.7

4.8x = 2.8

x = 2.8 / 4.8 = .58

When a grizzly bear hibernates, it's heart rate drops to 10 beats per minute, which is 20% of its normal value. What is a grizzly bears normal heart rate when not hibernating?

Answers

Answer:

His normal heart rate is 50 beats per minute.

Step-by-step explanation:

Since when it is hibernating it beats 10 times per minute and that is 20 % of the normal volume we can use a rule of 3 to find his normal herat rate. If 10 times per minutes is 20% of its normal volume then x times per minutes is 100%. So we have:

10 -> 20%

x -> 100%

10/x = 20/100

20x = 1000

x = 50 beats per minute

Answer:

50 beats per minute

Step-by-step explanation:

To find the heart hate of a grizzly bear when not hibernating, we need to get the heart rate when hibernating (10 beats per minute) and make it equal to 20% in a rule of three, where we want to know the 100% value (normal heart beat rate):

10 beats per minute -> 20%

X beats per minute -> 100%

10/X = 20/100

X = 100 * 10/20 = 50
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