PLEASE HELP DUE IN 10 MINUTES!!!!!!!!!!!!!!!!!!!!!!!!!!!!Hiking up a mountain, you notice that the air temperature drops 10°C for every 1000 Meters increase in elevation. Write a multiplication expression to represent the decrease in temperature if you hike up the mountain 3000 Meters. Then evaluate the expression and explain it's meaning.
Please have a explanation and expression in your answer. If you get it done the way that I think is correct, you will get brainliest!❤❤

Answers

Answer 1
Answer:

Answer:

x-10x3

Step-by-step explanation:

Because there are 3 thousands... and 3 times 10 is 30 so the total -30 is the amount that it drops

Answer 2
Answer:

Answer:

10,000 I think.

Step-by-step explanation:

10 x 1000. Put the 0 at the back. So it has 4 zero and so you put the zero at the back and what is 1 x 1 well it's 1, so it's 10,000. I think.


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A ____________ is sometimes a rectanglea. parallelogram
b. rhombus
c. square
d. trapezoid ​

Answers

Parallelogram is the answer,
rhombus, square, and trapezoid are all their own shapes, parallelogram is a four-sided plane rectilinear figure with opposite sides parallel. So basically a parallelogram is a shape with four sides.
Hope this helps.

Answer:

parallelogram

Step-by-step explanation:

Miko has a vast collection of books in her library. English books make up 3
8
of her collection.
5
7
of the remaining books are Chinese books and the rest are German books. How many books are there in her book collection if there are 75 Chinese books?

Answers

There are 168 books are there in her book collection if there are 75 Chinese books.

Given

Miko has a vast collection of books in her library.

English books = 3/8

Chinese books = 5/7.

Ratio proportion;

A ratio is a comparison of two or more numbers that indicates their quantities in relation to each other.

The proportion of the English books is 3/8, the remaining is:

\rm Remaining\ books=1-(3)/(8)\n \n Remaining\ books=(8-3)/(8)\n\n Remaining\ books=(5)/(8)

Then,

Chines books = ratio of Chinese book × ratio of remaining books × Total books

\rm 75=(5)/(7)* (5)/(8)* Total \ books\n\nTotal \ books =(75 * 7* 8)/(5* 5)\n\nTotal \ books =3* 56\n\nTotal \ books=168\n

Hence, there are 168 books are there in her book collection if there are 75 Chinese books.

To know more about proportion click the link given below.

brainly.com/question/12674321

Answer:

168 books

Step-by-step explanation:

Given

English = (3)/(8)

Chinese = (5)/(7) of the remaining books

Required

Determine the total number of books

If the proportion of the English books is 3/8, the the remaining is:

Remaining = 1 - English

Remaining = 1 - (3)/(8)

Take LCM

Remaining = (8 - 3)/(8)

Remaining = (5)/(8)

From the question, we understand that:

Chinese = (5)/(7) of the remaining books

This means:

Chinese = (5)/(7) * (5)/(8)

Chinese = (5*5)/(7*8)

Chinese = (25)/(56)

From the question, we also understand that 75 are Chinese books.

The total number of books can then be calculated using:

Chinese = (25)/(56) * Total

Substitute 75 for Chinese

75 = (25)/(56) * Total

Make Total the subject:

Total = (56 * 75)/(25)

Total = (4200)/(25)

Total = 168

Find the product:
(10z-3)2

Answers

Answer:

20z-6

Step-by-step explanation:

Distribute the 2 to each of the numbers inside the parentheses.

10z and -3 are the two numbers, each multiplied by 2 is 20z and -6. No further simplification is possible    

I have done this for a million times and I always get this one wrong I need the correct answer

Answers

Answer:

A, B, and D.

Step-by-step explanation:

HEY!! remember that if a number has ^2, it basically means it's multiplied by itself. for example:

5^2 = 5 x 5

aka, 25.

You can use this to check each of the answers in your formula, like this:

if x=6, then:

x^2 < 100

6 x 6 = 36

36 < 100

A is one of your correct answers!

Also remember, if you multiply a negative by a negative, it becomes positive.

-5 x -5 = 25

-10 x -10 = 100

The answer to this is A, B, D.

(Ill give brainliest :) )Which equations have a value less than 6,766?

A. one fourth x 6,766 = ________

B. 6 x 6,766 = ________

C. one half x 6,766 = ________

D. 1 x 6,766 = ________

1) A and C
2) D and B
3) A and B
4) C and D

Answers

Answer:

A and C

Step-by-step explanation:

A.¼×6766=1691.5

B.6×6766=40,596

C.½×6766=3383

D.1×6766=6766

Which events have a probability of 25 percent? Select three options.choosing a green jelly bean out of a bag that contains 2 green jelly beans, 1 red jelly bean, and 5 yellow jelly beans
rolling a number less than 3 on a six-sided die
spinning a number less than 2 on a spinner that has four equal sections numbered from 1 to 4
choosing an Oregon state quarter out a bag that contains 4 California state quarters, 3 Oregon state quarters, 6 Texas state quarters, and 3 New York state quarters
choosing a spade out of a standard deck of cards that contains 13 hearts, 13 clubs, 13 diamonds, and 13 spades

Answers

Choosing a green jelly bean.

Spinning a number less than 2 on a spinner.

Choosing a spade out of a standard deck of cards.

What are the probabilities?

Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

Probability of choosing a green jelly bean = number of green jelly bean / total number of beans

2/8 x 100 = 25%

Probability of spinning a number less than 2 on a spinner = number that is less than 2 / total number of sections

1/4 x 100 = 25%

Probability of choosing a choosing a spade= number of spade / total cards in the deck

13/54 x 100 = 25%

To learn more about probability, please check: brainly.com/question/13234031

The three options that have a probability of 25 percent are:

- Choosing a green jelly bean

- Spinning a number less than 2 on a spinner

- Choosing a spade from a standard deck of cards

The probability of an event occurring is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. A probability of 25 percent corresponds to a ratio of 1 out of 4 (since 25% is one-fourth of 100%). Let's analyze the options:

1. Choosing a green jelly bean: There are 2 green jelly beans out of a total of 2 + 1 + 5 = 8 jelly beans. The probability is 2/8, which simplifies to 1/4 or 25%. This option has a probability of 25%.

2. Rolling a number less than 3 on a six-sided die: There are 2 favorable outcomes (1 and 2) out of 6 possible outcomes (1 through 6). The probability is 2/6, which simplifies to 1/3 or approximately 33.33%. This option does not have a probability of 25%.

3. Spinning a number less than 2 on a spinner: There is 1 favorable outcome (1) out of 4 possible outcomes (1 through 4). The probability is 1/4 or 25%. This option has a probability of 25%.

4. Choosing an Oregon state quarter: There are 3 Oregon state quarters out of a total of 4 + 3 + 6 + 3 = 16 state quarters. The probability is 3/16, which is not equal to 25%.

5. Choosing a spade from a standard deck of cards: There are 13 spades out of a total of 13 + 13 + 13 + 13 = 52 cards. The probability is 13/52, which simplifies to 1/4 or 25%. This option has a probability of 25%.

Learn more about probability here

brainly.com/question/32117953

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