Why is it important to convert rates to the same units before comparing them

Answers

Answer 1

Answer: Rate is used to compare values of the same unit. So, it is important to convert rates to the same units so that the units can cancel out.

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Write the phrase as an expression. The difference of a number x and 6.4

Answers

The expression that represents the phrase is x - 6.4

The given parameters are:

Number = x

Value = 6.4

In mathematics, difference means subtraction, and it is represented by the "-" sign

So, the difference of a number x and 6.4 is: x - 6.4

Read more about algebraic expressions at:

brainly.com/question/4344214

$\huge\text{Answer:}\n\n$

$\huge\mathrm{6.4-x}\checkmark$

$\huge\text{Solution:}$

The difference of two or more numbers simply means we subtract these numbers.

For example, the difference of 10 and 7 is 3.

Now, let's write the difference of x and 6.4 as an expression:

$\huge\mathrm{6.4-x}$ (Answer)

Hope you find it helpful.

Feel free to ask if you have any doubts.

$\bold{-MistySparkles^**^*}$

Does 2/3x+3/4=8 and 8x=87 have the same solution ?

Answers

(2/3)x + (3/4) = 8
-(3/4) -(3/4)

(2/3)x = 7.25(3/2)
(3/2)

x = 10.875

8x = 87 Divide both sides by 8

x = 10.875

So yes both sides have the same solution

Hope this helps :)

yes it does as far as i can see

How many solutions does the equation 4p + 7 = 3 + 4 + 4p have?A.) One
B.) Two
C.) Infinitely many
D.) None

Answers

4p + 7 = 3 + 4 + 4p
7 = 3 + 4
7 = 7

The answer is: infinite solutions.

4p+7=3+4+4p
4p+7=7+4p
-7 -7
4p=4p
p=p
so the answer I think it's c.

A seafood restaurant claims an increase of $1,050 over its average profit during a week where it introduced a special of baked clams.The restaurant received $
150
extra profit per day.
If it had, instead, lost $350 per day, how much money would it have lost for the week?

Answers

Answer:

$2450

Step-by-step explanation:

One week = 7 days

$350 = 1 day

$ 2450 = 7 days(1 week)

350 * 7 = 2450

The revenue, in dollars, of a company that makes toy cars can be modeled by the polynomial 3x2 + 4x – 60. The cost, in dollars, of producing the toy cars can be modeled by 3x2 – x + 200. The number of toy cars sold is represented by x.If the profit is the difference between the revenue and the cost, what expression represents the profit?

3x – 260
3x + 140
5x – 260
5x + 140

Answers

For this case we have the following quadratic functions:

Revenue:

Cost:

Then, we observe that the profit is given by the following mathematical relationship:

Substituting values we have:

Making the corresponding calculations we have:

Answer:

An expression that represents the profit is:

$Profit = 5x - 260$

Answer:

5x – 260

i hope this helps you

The temperature at 5pm is 20F. The temperature at 10pm is -5F. How many degrees did it fall?please show work

Answers

Change in temperature = Final temp. - Initial temp.
⇒ -5 - 20 = -25 F

So, Temperature fall be 25 degree. [ -ve sign shows temperature fall]

Hope this helps!

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