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Art [367]
3 years ago
10

A kinder garden class has 9 girls and 11 boys in class what percent of the class are girls

Mathematics
2 answers:
IgorC [24]3 years ago
7 0

Answer: 55%

Explanation: 11 boys and 9 girls.....total of 20 students in the class.

of those students, 11 are boys...

11/20 = 0.55 = 55% <== so 55% are boys

ivolga24 [154]3 years ago
6 0

Answer:

45%

Step-by-step explanation:

i am not that sure but when i calculated it, i got this answer.

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A savings account is started with an initial deposit of $500. The account earns 1.5% interest compounded annually.
Ghella [55]
A) A=500(1+0.015)^t
b)800=500(1.015)^t
800/500=1.015^t
t=log(800/500)/log(1.015)
t=31.6 years
3 0
4 years ago
For which equation does it make the most sense to solve by completing the square?
denis-greek [22]
Completing the square is a method used to solve a quadratic equation by changing the shape of the equation so that the left side is a perfect square trinomial.
 The following equation makes more sense to solve it complete squares:
 x² + 20x = 52
 We have then:
 x² + 20x + (10) ^ 2 = 52 + 100
 (x + 10) ² = 152
 Answer:
 
The most sense to solve by completing the square is for:
 
B) x² + 20x = 52
7 0
3 years ago
How do you subtract nega
sergey [27]
Well think of it like this. lets say your teacher made you do this problem -48 - 10. I would just act like 48 is not an negative and add 10. After that I would put the negative back. So the answer would be -58. :P
3 0
4 years ago
Read 2 more answers
When a boat travels 75m from the shore, the boat drops an anchor that reaches for
slavikrds [6]

Answer:

We often use everyday definitions of the word "energy," but which statement

best describes what energy is in science?

A. the ability to carry things a long distance

B. the result of eating a lot of carbohydrates

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D. the ability to do work or cause change

Step-by-step explanation:

5 0
3 years ago
Help needed! no links please, they're annoying.
denis23 [38]
The area of a rectangle is length*width.

The length of this 3x and the width is 2x-3. This means that, to find the area, you need to multiply 3x and 2x-3.

Start by writing out this equation:
A=l*w

Then, plug in your given values:
A= 3x*2x-3 (you can also write it as A= 3*x*2*x-3)

Then, following the order of operations, you start by multiplying. This makes your equation become A = 6x^2 -3. (^2 means squared). It turns into this because 3 * 2 is 6 and x * x is x^2 and you still haven’t used the 3 yet.

After this, there is nothing more that you can do to simplify the equation. Therefore, the area is 6x^2 - 3.

I hope this helped!
4 0
3 years ago
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