Help pleaseeeeeeeeeeee

Answer:

60

Step-by-step explanation:

All angles in a triangle equal 180

you already have Angles A (30) and C (90)

Set your formula up as

180-30-90=B

60=B

A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price. The customer was charged a 7% tax when the DVD was sold.

What was the customer’s total cost for the DVD?

Suppose customers arrive at a single-server ice cream parlor times 3, 6, 15, and 17. Further suppose that it takes the server 7, 9, 6, and 8 minutes, respectively, to serve the four customers. When does customer 4 leave the shoppe

Help!!!!!!!Solve for x. Round to the nearest tenth of a degree, if necessary.

Ill give brainliest! The answers are in red I just need to show my work with equations. PLS CAN SOMEONE WRITE THE EQUATIONS FOR THEM. (NO LINKS TO OTHER SITES OR BLANK ANSWERS OR ILL REPORT

Which approach is the best to find the volume of a cube?
A
Measure the length of one side and multiply the length by 3.
B
Measure the length of one side and multiply the length by itself.
© Count the number of 1-cubic-centimeter unit cubes that fit inside the cube.
D
Count the number of 1-square-centimeter unit squares that cover the cube.

HELP
Ida's ice-cream stand has increasing profits each week during the hot summer months. Ida finds that each week during the summer her profits increase by 15% over what they were the previous week. In her first week of business, her profits were $600. How much money will she make in all over 5 weeks?
Enter your answer, rounded to the nearest dollar, in the box.

Ahmad deposits $3000 into an account that pays simple interest at a rate of 3% per year. How much interest will he be paid in the first 4 years?

Combine any like terms in the expression. If there are no like terms, rewrite the expression.
3v+2v–2v

Please help me I need these ASAP. I'll mark as brilliant!

make c the subject: (a+c)^2=t

make x the subject: p=3(y+2x)^2​

Lin and Claire each threw a rock into a stream. The black graph represents the height of a stone t seconds after it was tossed up by Lin and the purple graph represents the height of a stone t seconds after it was tossed up by Claire.

1) Whose stone hit the water second, and at what time?


2) How long did it take for Claire's rock to reach its maximum? What is the maximum height?


3) Who had the higher initial height? What was it?

Give y intercepts and x intercepts as shown

PLEASE HURRY

Tameron rolls a 6-sided die 3 times.
What is the probability that he rolls a 5 on every roll?

A. 1/216
B. 3/216
C. 1/64
D. 3/64

What is the equation in slope-intercept form of the
line that passes through the points (-4,2) and
(12, 6)?

A baker used 5 7/10 bags of flour one week. The same baker used 7 3?10 bags the next week. How many more bags of flour did the baker use the second week than the first week?

Distribute
-3/7 (21x - 7)

​

If 4, m & 9 are in continued proportion. Find the value of m.​

Joey wants to read 2,000 pages by the end of the summer. He has already read 1,250 pages. The rest of his reading will be spread over 5 weeks, and Joey wants to read the same number of pages each week. How many pages will he need to read each week?

A watering can contained 5 1/2 quarts water. After all the plants were watered, only 4 cups remained.

How many cups of water were used to water the plants?

Parker is designing a new board game, and is trying to figure out all the possible outcomes. How many different possible outcomes are there if he rolls a fair die in the shape of a pyramid that has four sides labeled 1 to 4, spins a spinner with three equal-sized sections labeled Walk, Run, Stop, and spins a spinner with 5 equal-sized sections labeled Monday, Tuesday, Wednesday, Thursday, Friday?

A population of rabbits increases 30.8% each year. If the rabbit population is currently 75,
how many years will it take for the rabbit population to reach 5,400?

Choose the correct expression for each Written in word form.8 less than the product of 3 and j

A jar contains 8 red marbles numbered 1 to 8 and 12 blue marbles numbered 1 to 12. It alse has 5 white marbles numbered 100, 200, 300, 400, and 500. A marble is drawn at random from the jar. Find the probability of the given event.

Please explain it ASAP

CAN ANYONE HELP NE WITH THIS ONE TOO??

Lorenzo wants to know how much it will cost to rent tables and chairs for an event. He investigates renting tables and chairs and decides to use two different companies. Company A $4 per table (seats 4) and a $25 one-time delivery and pickup fee Company B $2 per chair and a $15 one-time delivery and pickup fee Each table seats 4 people, so Lorenzo needs to rent 4 chairs for every table. x = number of tables Cost to rent tables from Company A: f(x) = 4x + 25 Cost to rent chairs from Company B: g(x) = 2(4x) + 15 Which function represents the total cost for Lorenzo to rent x number of tables and the chairs he needs to go with them? 12x 12x2 + 40 12x + 40 8x + 40

2x^+7x - 15= 0 If r and s are two solutions of the equation above and r > s which of the following is the value of r-s?

The image below is a triangle drawn inside a circle with center o. which of the following expressions shows the area in square inches of the circle?

A: 3 x 3.14 x 2 ^2

B: 3.14 x 3 ^2

C: 3.14 x 2 ^2

D: 3.14 x 3


< btw can you provide an explanation while answering? I’m a bit lost here lol thank you

There are 8 blue candies, 5 pink candies, 1 white candy, and 6 green candies in a candy jar. You reach in, without looking, and take one. What is the probability that you will choose a green candy? Report your answer as a percent.

A triangle has sides of lengths 8, 15, and 17. Is it a right triangle? Explain.

help with find Find the value of x