MATHEMATICS
MIDDLE SCHOOL

b^2+5b-35=3b

(b^2 means b to the second power)

Answer: b^2+5b-35=3b b= 5, -7

MIDDLE SCHOOL

Tina makes $7.00 per hour working at Starbucks and $12.00 per hour working at a spa. Next week, Tina is scheduled to work 7 hours at Starbucks. What inequality represents the amount of hours (h) that Tina needs to work at the spa next week to earn at least $209 between his two jobs?

Answer:

Step-by-step explanation:

Since we know that Tina would work 7 hours next week which means she will make

$7 x 7 hours = $49

Now we have to set up the inequalities

Money earned from Starbucks per hour + Money earned from Spa per hour ≥ $209

So we have

49 + 7(h) ≥ 209

MIDDLE SCHOOL

Gretchen is rolling a number cube. What is the probability of rolling a 1 followed by a 2 or a 3

Answer:

1/18

Step-by-step explanation:

The probability of rolling a 1 is 1/6 because there are 6 numbers. You multiply that probability by the probability of getting a 2 or 3 which is 2/6 or 1/3 to get 1/18.

Answer:

Step-by-step explanation:

1 /8

MIDDLE SCHOOL

Bjkhhmghhjhjhkhjhjhk

What’s the question lol???

Answer:

What is the question? lol

Step-by-step explanation:

MIDDLE SCHOOL

A game room has a floor that is 100 feet by 20 feet. A scale drawing of the floor on grid paper uses a scale of 4 units:5 feet. What are the dimensions of the scale drawing? Enter your answer as length by width.

100/5 = 20

20/4 = 5

Therefore, 20x5, or vice versa, 5x20. =^)

20/4 = 5

Therefore, 20x5, or vice versa, 5x20. =^)

HIGH SCHOOL

Identify the graph of 4+2i. Is the point at (2,4), (4,2), (4,-2), or (-4,2)?

Think of 4+2i as the point (4,2) in the x-y plane. Plot it. Done.

MIDDLE SCHOOL

What is 2/3 dvided by 1/6?

Answer:

4

Step-by-step explanation:

COLLEGE

A 4-person grievance committee is to be selected out of 2 departments, A and B, with 12 and 30 people, respectively. In how many ways can the following committees be selected? Complete parts (A) through (E) below. (A) 3 from A and 1 from B 6600 (B) 2 from A and 2 from B 28710 (C) All from A 495 (D) 4 people regardless of department 111930 (E) At least 3 from department A nothing

Answer:

a is the correct answer

Step-by-step exp

HIGH SCHOOL

Solve the equation for all values of x. Not really sure how to do this?

cos x = 3*cos x - 2

MIDDLE SCHOOL

A mail order catalog lists books for 3x - 5 dollars each. The cost of postage is $2 for 3 books or less. Represent the cost of an order for 5 books.

Answer:

the cost of an order for 5 books=15x-21

Step-by-step explanation:

a mail order catalog lists books for 3x - 5 dollars each.

i.e. cost of 1 book=3x-5

Hence, cost of 5 books=5×(3x-5)=$(15x-25)

also the cost of postage is $2 for 3 books or less.

as there are 5 books so we have to make two postages.

Hence, cost of postage for 5 books=$4

Hence, the total cost of an order of 5 books=15x-25+4

=15x-21.