MATHEMATICS HIGH SCHOOL

there are 1176 students in central high school. there are 50 more girls than boys. how many boys are there.

Answers

Answer 1

Answer: 563 boys and 613 girls

Answer 2

Answer:

Answer:

563

Step-by-step explanation:

Plato

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Betty deposits $300 into an account that earns 5% interest compounded annually. Teresa deposits the same amount into an account that earns 5% simple interest. Compare the account balances after 2 years.
7/8=?/ 48 what is the answer
Fill in the blanks to express the quantities given in ratio language. Ratios must be expressed in simplest form.Number of Books Read in a Year: Number of Books Read in a Year: Number of Books Read in a Year: Person Books Lauren 40 40 40 Henry 70 70 70 Jamar 10 10 10 For every books Jamar read, Lauren read books.

Given: sin(18m-12)=cos(7m+2), find the value of m.

Answers

Answer:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or m = 2/3 - (π n_2)/18 for n_2 element Z

Step-by-step explanation:

Solve for m:

-cos(7 m + 2) sin(12 - 18 m) = 0

Multiply both sides by -1:

cos(7 m + 2) sin(12 - 18 m) = 0

Split into two equations:

cos(7 m + 2) = 0 or sin(12 - 18 m) = 0

Take the inverse cosine of both sides:

7 m + 2 = π n_1 + π/2 for n_1 element Z

or sin(12 - 18 m) = 0

Subtract 2 from both sides:

7 m = -2 + π/2 + π n_1 for n_1 element Z

or sin(12 - 18 m) = 0

Divide both sides by 7:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or sin(12 - 18 m) = 0

Take the inverse sine of both sides:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or 12 - 18 m = π n_2 for n_2 element Z

Subtract 12 from both sides:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or -18 m = π n_2 - 12 for n_2 element Z

Divide both sides by -18:

Answer: m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or m = 2/3 - (π n_2)/18 for n_2 element Z

A card is drawn at random from a standard pack of playing cards. Then a fair coin is flipped. What is the probability of selecting a 10 and the coin landing on tails

Answers

Answer:

1/26

Step-by-step explanation:

There are 4 packs in a regular card deck. Hence, we have four 10s.

The probability of selecting a 10 is thus 4/52 = 1/13

The probability of getting the coin to land on its tail is 1/2.

The probability of getting a 10 and a tail flip = 1/2 * 1/13 = 1/26

4/9 divided by 3 in simplest form

Answers

Answer:4/27

Step-by-step explanation: 4/9÷3

4/9÷3/1

4/9x1/3

4/27

3+3×3-3+3=
What's the answer
How do you get the answer

Answers

Do each equation in an algebraic way:

3+3×3-3+3=Use PEMDAS:
Multiplication First
Addition Second
Subtraction Third

3+(3·3)-3+3:
(3+9)-3+3:
12-(3+3):
12-6:
Answer: 6

Your answer will NOT be 18.

So final answer is: 6

Hope this helps!

3+(3x3)-3+3
= 3 + 9 - 3 + 3
= 12 - 3 + 3
= 9 + 3
= 12

Do you get it?

The length of a rectangle is 5 centimeters less than twice its width. The perimeter of the rectangle is 80 cm. What are the dimensions of the rectangle?length = 25 cm; width = 15 cm
length = 22 cm; width = 18 cm
length = 24 cm; width = 16 cm
length = 23 cm; width = 14 cm

Answers

Answer:

Length = 25 cm , Width = 15 cm.

Step-by-step explanation:

Given : The length of a rectangle is 5 centimeters less than twice its width. The perimeter of the rectangle is 80 cm.

To find : What are the dimensions of the rectangle.

Solution : We have given

Perimeter = 80 cm .

According to question :

Let width of rectangle = W .

Length is twice its width.

L = 2W .

Length of a rectangle is 5 centimeters less than twice its width.

L = 2W - 5.

Then ,

Perimeter = 2 ( length + width).

Plug the values

80 = 2 ( 2W - 5 + W ) .

80 = 2( 3W -5) .

On dividing both sides by 2

40 = 3W - 5 .

On adding both sides by 5.

45 = 3 W .

On dividing both sides by 3.

W = 15 cm .

L = 2W - 5.

L = 2 ( 15) - 5 .

L = 30 -5 .

L = 25 cm .

Therefore, Length = 25 cm , Width = 15 cm.

Hello,

Answer A
Let's the width of the rectangle

2a-5 its length
Teh half perimeter is 80/2=40
a+2a-5=40 ==>3a=45==>a=15 and 2a-5=30-5=25

What is 2 + 2? I need help really bad I'm only in the second grade.

Answers

Answer:

Step-by-step explanation:it’s 4 hope this helps

Answer:

4 is the answer hope this helps

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