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olga55 [171]
3 years ago
11

Please help me with this Math question its the last one i need please​

Mathematics
1 answer:
siniylev [52]3 years ago
7 0

Answer:

7 dollars

Step-by-step explanation:

To solve, use this equation:

34.20 - (16 x 1.70) = x

First do 16 x 1.70

This equals 27.2

34.20 - 27.2 = x

Now subtract

34.20 - 27.20 = $7

The student card $7

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There are 26 prize tickets in a bowl, labeled A to Z. What is the probability that a prize ticket with a vowel will be chosen, n
e-lub [12.9K]

Using it's concept, there is a 0.0308 = 3.08% probability that a prize ticket with a vowel will be chosen, not replaced, and then another prize ticket with a vowel will be chosen. Since the letter is not replaced, the number of outcomes change, hence they are dependent.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

For the first ticket, since 5 out of 26 letters are vogal, the probability is:

5/26.

For the second ticket, since there is no replacement, the probability is:

4/25.

The probability of both tickets is:

p = \frac{5}{26} \times \frac{4}{25} = 0.0308

0.0308 = 3.08% probability that a prize ticket with a vowel will be chosen, not replaced, and then another prize ticket with a vowel will be chosen. Since the letter is not replaced, the number of outcomes change, hence they are dependent.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

8 0
3 years ago
un grupo de personas se reunió para recorrer 210 km en 14 días si recorren la misma distancia cada día Cuántos kilómetros se con
borishaifa [10]

Answer:

15 kilometers per day

Step-by-step explanation:

To solve this problem, we can use a rule of three using the information given:

The group of people can travel 210 kilometers in 14 days, and they will travel the same distance each day, so they will travel X kilometers per day:

210 kilometers -> 14 days

X kilometers -> 1 day

210 / X = 14 / 1

X = 210 / 14 = 15 kilometers per day

To reach their goal of 210 kilometers in 14 days, they need to travel 15 kilometers per day.

4 0
4 years ago
The elephant is in danger of being completely wiped out. What sort of species is
xeze [42]

Answer:

Endangered species

Step-by-step explanation:

An endangered species is a species that is at risk of extinction due to rapid decrease in their population .Their decrease in population might be due to loss of habitat and genetic variation. The loss of habitat might be due to natural factors like the climate change For example animals like dinosaurs during the cretaceous period that experience rapid change in the climate loss their habitat and went extinct.

Human activity can also influence loss of habitat. Development in housing , agriculture and industry can also threaten the habitats of native organisms. The loss of their habitat might cause sudden extinction of these organisms. They might find it hard to adapt to another environment or even procreate.  

Generally,  endangered species are species that are threatened by extinction. Elephants that are in danger of been wiped out is an endangered species.

3 0
3 years ago
The area of a circle is 99.88cm2.
777dan777 [17]

Answer:

5.64

Step-by-step explanation:

3 0
3 years ago
Could you plz help me with math
bezimeni [28]

Answer:D

Step-by-step explanation:

4 0
4 years ago
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