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olga_2 [115]
3 years ago
9

In a class of 30 students, 18 are boys.what percent of students are girls

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
4 0

There are 30-18 = 12 girls. Their percentage is

... 12/30 × 100% = 40%

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Find the amount in a continuously compounded account for the following condition. ​Principal, ​$​4000; Annual interest​ rate, 5.
soldi70 [24.7K]
<h3>Answer:  4745.96 dollars</h3>

=======================================================

Explanation:

We have this given info

  • P = 4000 = principal
  • r = 0.057 = annual interest rate in decimal form
  • t = 3 = number of years

Use this to plug into the formula below

A = Pe^{r*t}\\\\A = 4000*e^{0.057*3}\\\\A \approx 4,745.96299608713\\\\A \approx 4,745.96\\\\

You'll need your calculator, and the calculator needs the "e" button.

The "e" refers to the special constant 2.718... which is similar to pi = 3.14...

7 0
2 years ago
How many different angles are would be formed by a transversal intersecting three parallel lines
motikmotik

Answer:

Step-by-step explanation:

There would be 4 + 4 + 4 = 12 angles formed by a transverse intersecting three parallel lines

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2 years ago
Sanford the elf has been asked to choose toys for a child who wants a baby doll, a jigsaw puzzle, and a stuffed dog. He looks on
zmey [24]

Answer: There are 198 different combinations.

Step-by-step explanation:

To solve this type of problem, first, we need to identify the selections.

We have 3 selections.

Baby doll, Jigsaw puzzle, and a stuffed dog.

Now, we need to count the numbers of options for each case:

Baby doll: 11 options.

Jigsaw Puzzle: 6 options.

Stuffed dog: 3 options.

To find the total number of different combinations, we need to multiply all the numbers of options together, this is:

Combinations = 11*6*3 = 198

There are 198 different combinations.

5 0
2 years ago
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kifflom [539]

Answer:

What is the processor of a computer called?

central processing unit (CPU)

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Step-by-step explanation:

4 0
3 years ago
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bazaltina [42]

Answer:

3√2 is the answer as:

sin45°=p/b

1/√2= AC/CB

1/√2= 3/CB

cross multiplication

CB = 3√2

4 0
3 years ago
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