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Serga [27]
3 years ago
10

Factor the expression 3x^2-15x

Mathematics
1 answer:
tester [92]3 years ago
5 0
Factor out 3x
Answer: 3x(x - 5)
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Which of the following are characteristics of the cubic parent function? Select all that apply .
Triss [41]

9514 1404 393

Answer:

  B, D

Step-by-step explanation:

The cubic function is plotted in the attachment. It is a curve found in quadrants I and III, so is not symmetric about the y-axis.

Its domain and range are all real numbers, and it passes through the origin.

3 0
3 years ago
At a college, 71% of courses have final exams and 45% of courses require research papers. Suppose that 26% of courses have a res
Degger [83]

Answer:

.9 or 90%

.1 or 10%

Step-by-step explanation:

E= Exam

P=Paper

E= .71

P= .45

E∩P=.26

A.) E∪P=?

E∪P= E+P-E∩P

.71+.45-.26= .9

B.) E'∩P' = (E∪P)'

(E∪P)' = 1-.9 = .1

3 0
3 years ago
Three friends fill bags with trash at a neighborhood cleanup. Randall's bag weighs
BabaBlast [244]

Answer:

Randall picks up 68 pounds

Seth picks up 40 pounds

Joanna picks up 52 pounds

Step-by-step explanation:

Let us make an equation in x to find it

∵ Randall's bag weighs  3x - 7 pounds

∵ Joanna's bag weighs  2x + 2 pounds

∵ Seth's bag weighs 2x - 10 pounds

∵ Randall's and Joanna's bags weigh 3 times as much as  Seth's bag

- That means add Randall's bag and Joanna's bag and equate

    the sum by 3 times Seth's bag

∵ Randall's bag + Joanna's bag = 3(Seth's bag)

∴ (3x - 7) + (2x + 2) = 3(2x - 10)

- Simplify the two sides

∴ (3x + 2x) + (-7 + 2) = 3(2x) - 3(10)

∴ 5x + (-5) = 6x - 30

∴ 5x - 5 = 6x - 30

- Add 5 to both sides

∴ 5x = 6x - 25

- Subtract 6x from both sides

∴ -x = -25

- Divide both sides by -1

∴ x = 25

Substitute x by 25 in the weight of each bag

∵ Randall's bag weighs = 3(25) - 7 = 75 - 7

∴ Randall's bag weighs = 68 pounds

∵ Seth's bag weighs = 2(25) - 10 = 50 - 10

∴ Seth's bag weighs = 40 pounds

∵ Joanna's bag weighs  = 2(25) + 2 = 50 + 2

∴ Joanna's bag weighs  = 52 pounds

7 0
3 years ago
Read 2 more answers
Multiply the following<br>1)34/7×3<br>2)3/8×7<br>3)3/4×7​
Gelneren [198K]

Answer:

1) 102/21

2) 21/51

3) 21/24

Step-by-step explanation:

7 0
3 years ago
Ray LN is the perpendicular bisector of segment JK.
scoray [572]

Answer:

ok i think "kp" is 17x but i am not 100% sure

Step-by-step explanation:

3 0
2 years ago
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