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worty [1.4K]
1 year ago
5

What is the value of this expression when c = -4 and d = 10?

Mathematics
1 answer:
Airida [17]1 year ago
4 0
What is the expression
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I really need help please!! <br><br> ax - b = c<br><br> Solve for X<br><br> Show work please!!
Elina [12.6K]

ax - b = c

add b to both sides

ax - b + b = c + b

simplifying

ax =  c + b

divide both sides by a

ax / a =  (c + b) / a

simplifying

x =  (c + b) / a

6 0
2 years ago
Read 2 more answers
Insert commas in the correct positions for the number 3790241068
jek_recluse [69]
3790241068
Count by 3's from right to left and insert commas after every 3
3,790,241,068
8 0
3 years ago
Henry borrowed $770 from his friend at 6.875% simple annual interest for 8 months. What is the total amount that Henry will repa
tester [92]

The total amount to be repaid is equal to $949.66

Step-by-step explanation:

Simple interest is a type of interest that is usually applied on short term loans, where when a payment is made towards this kind of interest the payment first goes towards monthly interest, and then the remainder is reverted towards the principal.

FORMULA FOR CALCULATING SIMPLE INTEREST =

Here principal = $922

        interest rate = 6%

        time period = 6 months (when made per annum it will be 6/12)

SIMPLE INTEREST IS EQUAL TO $27.66

The total amount that is to be repaid is equal to

  PRINCIPAL + SIMPLE INTEREST

= $922 + $27.66

= $949.66

4 0
2 years ago
Descriptions of three studies are given. In each of the studies, the two populations of interest are students majoring in scienc
PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

Independently selected samples measures scores on the same variable but for two different groups of cases while Paired-samples measures scores on two different variables but for the same group of cases.

In case study 1, the sample is independently selected; a random sample of 100 science majors and a random sample of 75 liberal arts majors are selected: two different group of cases and just one variable, to compare the mean number of hours.

In case study 2, the samples are paired, a random sample of science majors is selected. Each student in this sample is asked for two data values: a group of case but two different variables; how much money they spent on textbooks in the spring semester and how much money they spent on textbooks in the fall semester were measured.

In case study 3, the samples were independently selected. Two different group of cases; a random sample of science majors is selected. A separate random sample of the same size is selected from the population of liberal arts majors were measured for just one variable the mean amount of time spend in campus.

5 0
3 years ago
Which of the following expressions represents the distance between -3.9, and -4.7?
Solnce55 [7]

Answer:

d =  \sqrt{(x2 - x1) {}^{2} + (y2 - y1) {}^{2}  }

Step-by-step explanation:

d =  \sqrt{( - 4 + 3) {}^{2} + (7 - 9) {}^{2}  }

d =   \sqrt{(1 + 4)}  =  \sqrt{5}

7 0
3 years ago
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