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3 years ago

Which quantities appear to be in a proportional relationship?

Mathematics

1 answer:

N76 [4]3 years ago

6 0

Answer:

Two quantities have a proportional relationship if they can be expressed in the general form y = kx, where k is the constant of proportionality. In other words, these quantities always maintain the same ratio. That is, when you divide any pair of the two values, you always get the same number k.

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The density of an object with mass m and volume V is .

AlexFokin [52]

Answer:

The answer is

Step-by-step explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

From the question

mass of platinum = 214.5 g

volume = 10 cm³

It's density is

$density = \frac{214.5}{10} \\$

We have the final answer as

Hope this helps you

6 0

3 years ago

Quinn used compensation to find the product of 37x4. First, she found 40x4=160. Then she adjusted that product by adding 3 group

torisob [31]

Quin is adding the compensation needed instead of subtracting. First she calculated 40x4. She is trying to find 37x4. To do this, she would have to instead gather all the data: 3x4 = 12 40x4 = 160 Subtract instead of add: 40x4 - 3x4 = ? 160 - 12 = 148 The answer is 148.

7 0

3 years ago

Translate the phrase into an algebraic expression. 9 more than x

Orlov [11]

Two correct answers:
9 + x
x + 9

Or you can say
x - -9
or
9 - -x

8 0

4 years ago

Read 2 more answers

Expand 3(z+3) please help me solve this

mojhsa [17]

Answer:

3(z+3) = 3z + 9 if thats what your asking

Step-by-step explanation:

7 0

3 years ago

Given f(x) = -x + 5, find f(-3). Answer:

user100 [1]

Hey there!

Find f(-3) :

Answer :

f(-3) = 8 ✅

Explanation :

f(x) = -x + 5

>> Substitute -3 for x in f(x) :

f(-3) = -(-3) + 5

f(-3) = 3 + 5

f(-3) = 8

Therefore, your answer is f(-3) = 8