Mathematics
Mathematics, 21.01.2021 19:10, Cartucho1978

Dimitri is solving the equation x2 – 10x = 21. Which value must be added to both sides of the equation to make the left side a perfect-square trinomial? A. 0
B. 4
C. 25
D. 100

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:30, cfnewton09
In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w
Answers: 1
image
Mathematics, 21.06.2019 13:50, pedroramirezr2
Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?
Answers: 1
image
Mathematics, 21.06.2019 20:30, lunax7x7
Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?
Answers: 1
image
Mathematics, 21.06.2019 21:00, nell1234565
A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
Answers: 2
Do you know the correct answer?
Dimitri is solving the equation x2 – 10x = 21. Which value must be added to both sides of the equati...

Questions in other subjects: