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4 years ago

15

On the first day of school each student is given $.50 to attend, on day two each student earns a dollar. On day three each stude

nt earns two dollars. How much do the students earn on the ninth day of school?

1 answer:

Bumek [7]4 years ago

4 0

Answer:

128 dollars

Step-by-step explanation:

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Question 8 of 10 What is sin 30º? 60 2 901 D A B. c.. () E. E )

levacccp [35]

Answer:

A. $\displaystyle \frac{1}{2}$

General Formulas and Concepts:

<u>Trigonometry</u>

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] sinθ = opposite over hypotenuse

Step-by-step explanation:

<u>Step 1: Define</u>

sin 30°

<u>Step 2: Solve</u>

Since sin is opposite over hypotenuse, we need to find the length of the opposite leg of the angle and the length of the hypotenuse.

Given the triangle and it's values, the opposite leg to the 30° angle is 1 and the hypotenuse is 2.

Substituting it into sin, we have:

sin 30° = 1/2 = 0.5

∴ our answer is A.

3 0

2 years ago

Esmerelda flips a coin and draws a card. What is the possibility that she gets “heads” and a black card?

elena55 [62]

The possibility of flipping heads is 1 in 2 (1/2)
the possibility of pulling a black card is 26 in 52 (26/52) which equals 1 in 2 (1/2)
multiply those together and you get 1 in 4, 1/4, or a 25%

7 0

3 years ago

Read 2 more answers

How many square metre of carpeting are needed to cover a floor that measures 8m by 5m

grigory [225]

Answer:

40 meters squared

Step-by-step explanation:

8 * 5 = 40

5 0

3 years ago

A byte is used to measure a computer's memory. There are 2^30 bytes in a gigabyte. A computer has an 8 gigabyte memory. Which ex

aksik [14]

Answer:

8x2^30

Step-by-step explanation:

5 0

3 years ago

A pancake recipe calls for 4 cups of flour and 3 cups of milk.Does a recipe calling for 2 cup of flour and 1.5 cups milk use the

Tpy6a [65]

Yes.
4 cups of flour/3 cups of milk= 1.33 flour/milk
2 cups of flour/ 1.5 cups of milk= 1.33 flour/milk
As you can see, these are the same ratios.

7 0

3 years ago