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Advocard [28]
3 years ago
6

Denine learns that about 3 out of 14 people in Mexico are under the age of 15.

Mathematics
2 answers:
vredina [299]3 years ago
8 0
Same I think it’s 21.52%
gtnhenbr [62]3 years ago
5 0

Answer:

I belive the answer is 21.42% :)

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The price of a notebook is 20% less than the price of the book. By what percent is the price of the book higher than the price o
Leno4ka [110]

LET THE BOOK BE 100$

NOW

20/100

0 CANCELS 0

SO ITS

2/10

AND ANSWER IS

5$

3 0
2 years ago
Read 2 more answers
What is the right answer​
Talja [164]
<h3>Answer:    A) 5</h3>

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

Explanation:

Angle B = 90 degrees, and the side opposite this is the hypotenuse AC = 10.

Angle C = 30, and the side opposite this smallest angle is AB. For now we'll call this x.

It turns out that for any 30-60-90 triangle, the hypotenuse is twice as long as the short leg. So if x is the short leg, then 2x is the hypotenuse.

Set 2x equal to the given hypotenuse 10 and solve for x

2x = 10

x = 10/2

x = 5

That makes AB = 5.

In other words, we cut the hypotenuse in half to get the length of the shorter leg.

8 0
3 years ago
The link is attached do your best to figure it out.
inysia [295]

Answer:

answer is A

Step-by-step explanation:

-2.5 and -10 equals -12.5.

(and) refers to addition in math so your adding two negatives.

6 0
2 years ago
Read 2 more answers
Help me on this math question thank you
Vitek1552 [10]

Answer:

  • C for question 1
  • A for question 2

Step-by-step explanation:

First Question

What you need to do here is pick an answer that will result in a decrease. If you have something like 1.3 * e ^ (0.038 * t), what will happen when t = 20

P = 1.3 * e^(0.038*20) = 1.3*e^0.76 = 2.77 which is getting bigger not smaller.

So what you want is something like 1.3 * e^-0.76 = 0.67

So which question is configured that way?

It's either C or D. but which one? It cannot be D. 0.38 is far too big: it does not represent 3.8%

C does represent 3.8% as a decimal. It is the correct answer.

Answer: C

Second Question

Every time she sells a ticket, the total that she gets is 4 more than what she had before.

The variation is a direct one. It is y = k*x. But what is k? Is it 4 or is it 1/4?

Read the first sentence above. She gets 4 dollars more, not 1/4 of a dollar.

C and D are both wrong because those equations think she is getting 1/4 more.

B is wrong because it says that the relationship is inverse. It is not. It is direct.

The answer is A


4 0
3 years ago
Given that f(x)=2x^3+x-3, evaluate the function f(-2). <br> A.) 11 <br> B.) -69 <br> C.) -21
prohojiy [21]
F(x)=2x³+x-3
f(-2)=2(-2)³+(-2)-3
f(-2)=2(-8)-2-3
f(-2)=-16-2-3
f(-2)=-18-3
f(-2)=-21. As a result,C is your final answer. Hope it help!
7 0
3 years ago
Read 2 more answers
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