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2 years ago

PLSSS HELP DUE SOONNNN ILL GIVE BRAINLIEST IF ALL QUESTIONS R ANSWERED

Mathematics

1 answer:

Alexeev081 [22]2 years ago

3 0

Answer:

9. y=9h+4

10. y=5r+10

11. y=4x+8

12. y=4n+9

Step-by-step explanation:

9. He gets 9 dollars per hour (h), and 4 dollars extra for gas.

So 9 dollars per hour plus 4 dollars for the gas

y=9h+4

10. Roses (r) are selling for 5 dollars each and there is a delivery fee of 10 dollars.

So 5 dollars per rose plus 10 dollar fee

y=5r+10

11. The tree increases by 4 feet per year (x), and it is already 8 feet tall.

So 4 feet per year plus 8 feet

y=4x+8

12. Each trophy (n) weighs 4 kilograms, and the box itself weighs 9 kilograms.

So 4 kilograms per trophy plus 9 kilograms for the box.

y=4n+9

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Two cubes have their surface areas in the ratio 1:4 , what is the ratio of their volumes ?

yKpoI14uk [10]

Answer:

1 : 8

Step-by-step explanation:

For similar figures with ratio of sides = a : b

Then ratio of areas = a² : b² and

ratio of volumes = a³ : b³

Given ratio of areas = 1 : 4

linear ratio = $\sqrt{1}$ : $\sqrt{4}$ = 1 : 2

ratio of volumes = 1³ : 2³ = 1 : 8

8 0

3 years ago

HELP PLEASE THIS IS DUE IN 15 MIN!!!!!!!!!!!<br> look at the picture

Alik [6]

Answer:

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3 0

3 years ago

Read 2 more answers

IS THIS IN SIMPLIST FORM? PLEASE HELP! TY! <br><br> 2( x - 3 + 2 )

Phoenix [80]

Answer:

2x - 2

Step-by-step explanation:

There are two steps to take here. First add together the -3 + 2 in the brackets:

2(x - 3 + 2)

= 2(x - 1)

Now use the distributive property and multiply each term in the brackets by two:

2(x - 1)

= 2x - 2

And you now have it in simplest form.

3 0

2 years ago

Genuinely confused rn

frosja888 [35]

Using it's concept, it is found that the probability that he winds up wearing the white shirt and tan pants is of $\frac{1}{8}$ .

<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>.

In this problem:

For the shirt, there is 4 outcomes, hence the probability of the white shirt is 1/4.

For the pair of pants, there are 2 outcomes, blue or tan, hence the probability of tan pants is 1/2.

Since the shirt and the pants are independent, the probability is given by:

$p = \frac{1}{4} \times \frac{1}{2} = \frac{1}{8}$ .

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

#SPJ1

8 0

1 year ago

Which of the following expressions represents the statement below?

exis [7]

Option D. 2(n + 9) is the right answer

Step-by-step explanation:

The word problems are converted into mathematical problems to solve simply.

for the given problem

"two times the sum of a number and 9"

Let n be a number then

when there is and between two things they are performed first then next operation is performed so

the sum of a number and 9

$n+9$

Then

two times the sum of a number and 9

$2(n+9)$

Hence,

Option D. 2(n + 9) is the right answer

Keywords: Mathematical notation

Learn more about mathematical notation at:

#LearnwithBrainly

5 0

3 years ago