subject

Mathematics, 15.12.2020 19:10 MengXiong1

If x = –7, what is the value of x2 ?

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 14:00

Plzzz maths ! quadratic sequences=an^2+c 1) 11,17,27,41,59 2) 7,16,31,52,79 3) 6,18,38,66,102 4) 0,9,24,45,72 5) 0,12,32,60,96

Answers: 2

question

Mathematics, 21.06.2019 15:00

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Answers: 2

question

Mathematics, 21.06.2019 20:30

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Answers: 1

question

Mathematics, 21.06.2019 21:50

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

Answers: 1

You know the right answer?

If x = –7, what is the value of x2 ?...

Questions

question

Health, 23.03.2020 13:04

Là con gái ai cũng thích làm đẹp, bạn đã từng đi làm đẹp ở spa lần nào chưa? và lí do bạn thích đi làm đẹp là gì?...

question

English, 23.03.2020 13:05

What technique does the author use to engage the reader? What is the effect of this technique?...

question

Chemistry, 23.03.2020 13:10

What do calcium chloride, sodium carbonate, calcium carbonate, and potassium carbonate all have in common? (other than they react with acid’...

question

English, 23.03.2020 13:11

Proofread this text and correct the five spelling errors. Induction Sheet for New Employees You’re first day at work can be quite exciting...

question

Mathematics, 23.03.2020 13:12

Factorize the following:x^2+3x-40...

question

Mathematics, 23.03.2020 13:12

Wilfred and Wendy have a long distance bike race. Wilfred rides at 20 km/h and has a 2-hour head start. Wendy travels at 28 km/h. How long does it tak...

question

Health, 23.03.2020 13:13

Filter paper strip and dinperiment appears as in the ddips the stinthe diagram,after• CHAPTER 1011 Alex puts a dro...

question

Mathematics, 23.03.2020 13:13

25 POINTS PLEASE HELP For lines a, c, and d, line c is parallel to line d. Write all corresponding angles Write all alte...

question

Mathematics, 23.03.2020 13:14

A manufacturing firm makes a production run of 3,750 pieces. Each piece is 78.30 millimeters long. The cost of material per meter of length is $2.40....

question

Mathematics, 23.03.2020 13:16

After five tests Allison’s average score was 88. After six tests her average score had increased to 90. What was her score on the sixth test?...

question

Mathematics, 23.03.2020 13:16

What is the formula for ratio...

question

Mathematics, 23.03.2020 13:16

This is additional mathematics question. I need help pls

question

Mathematics, 23.03.2020 13:17

Find the value of x in these shapes with the given perimeter.

question

Mathematics, 23.03.2020 13:17

0.185 to a percentage...

question

Mathematics, 23.03.2020 13:21

Solve the compound inequality....

question

Mathematics, 23.03.2020 13:22

Three squares are attached to each other each square is attached at the midpoint of the side of the square its right. find the perimeter of the comple...

question

Mathematics, 23.03.2020 13:22

A purse contains 3.75 in 5 cent and 20 cent coins. There are 33 coins all together. How many of each type of coin are in the purse...

question

Mathematics, 23.03.2020 13:30

Let l be the line passing through origin and makes an angle θ with positive x-axis. 1. Let T : R2 → R2 be a linear operator that project each v...

question

History, 23.03.2020 13:31

When was the second time olympic hymn performed?...

question

Chemistry, 23.03.2020 13:32

Since the action and reaction are exactly equal and oppositely directed , how can there be a net force on an object ?...

More questions: Mathematics Another questions

Questions on the website: 13722363