(b) 一2-+-311X+5 ; X--2 X2+3.X_-10

Answers

Answer 1

Answer: = $(2)/(x+5) + (3)/(x-2) - (11)/((x+5)(x-2))$
= $(2(x-2))/((x+5)(x-2)) + (3(x+5))/((x+5)(x-2)) - (11)/((x+5)(x-2))$
= $(2x-4+3x+15-11)/((x+5)(x-2))$
= $(5x)/((x+5)(x-2))$

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Mrs.Morales wrote a test with 15 questions covering spelling and vocabulary.spelling questions (x )are worth 5 points and vocabulary questions (y)are worth 10 points.the maximum number of points possible on the test is 100.

Answers

Here's our data:
15 questions total
Total number of points: 100
Spelling questions are worth 5 and represented by x
Vocab questions are worth 10 and represented by y
Therefore:
x+y=15
5x + 10y= 100

So:
x+y=15
x= 15-y

5x +10y =100
5(15 -y) +10y =100
75 -5y +10y =100
75 +5y = 100
5y=25
y=5

x +y=15
x+5=15
x=10
There are 10 spelling questions and 5 vocab questions

Which BEST describes a ray?A) Arrow at both ends.
B) Endpoint at both ends.
C) No endpoint or arrow on the ends.
D) Endpoint at one end and an arrow at the other end.

Answers

Answer:

D: an endpoint at one end and an arrow on the other or answer hope this helped,

Step-by-step explanation:

Answer:

Step-by-step explanation:

A line segment has an endpoint at both ends. A has arrows at both ends.A ray has a endpoint at one end and an arrow at the other.

How can I make this a perfect square
w^2-4w+

Answers

ax^2+bx+c
if a=1, then
take 1/2 of b and square it

w^2-4w+c
b=-4
-4/2=-2, (-2)^2=4
add that
w^2-4w+4
(w-2)(w-2)
(w-2)^2

to make it into perfect squres, add 4

In the past you paid $800 per month to rent your apartment. You now pay $900 per month for your rent. What is the percent increase in your rent?

Answers

y = 800 (1.125)^x

it would be 12.5%

if you graph that equation the intersection would be (1,900)

(i don't know if you learned this in Algebra 2. but this formula works though)

i hope i helped a bit

Answer: 12.5%

Step-by-step explanation:

Holly has 46 quart of potato salad. She gives 26 quart to a friend. How much potato salad does she have left? Explain.

Answers

Answer:

Holly has 20 quart of potato salad left.

Step-by-step explanation:

Holly has 20 quart of potato salad because she originally has 46 quart of potato but gave her friend 26, subtracting 26 from the original amount of quart of potato she had.

Which of the following lies on the line y =- 3x + 2?(A) (-1, 8)
(B) (0, 4)
(C) (2, -4)
(D) (5, - 10)

Answers

Answer:

Step-by-step explanation:

I can't say for sure, but I am confident that is the right answer.

Other Questions

If the ratio of the altitude of triangle A to the altitude of triangle B is 3:1, then the ratio of the area of triangle A to the area of triangle isA 1:1 B It cannot be determined from the information given. C 6:1 D 9:1

Weather records show that the probability of rainfall in Florida in June is 0.86. What is the probability that it rains there in June at least 9 times in a decade?

This is about slope

Find the point P on the line yequals=22x that is closest to the point (10,0 )(10,0). What is the least distance between P and (10,0 )(10,0)?