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2 years ago

6

What is the difference between an expression and an equation? Answer using RAE.

1 answer:

Kazeer [188]2 years ago

3 0

The difference between an expression and an equation is that an expression is the value of one single number and a equation is the relationship between two numbers. (Not sure what RAE is sorry)

If a Uber charges $6 plus $1.50 for each mile then for 8 miles it would be $60 because $6 + $1.50 = $7.5. Next, you would do $7.5 x 8 = $60 for 8 miles.

Hope this helped!!

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2 less then 3 times a number is 9

Masteriza [31]

$\huge\boxed{\text{As an expression:}\ 3x-2=9}$

$\huge\boxed{\text{Solved for x:}\ x=\frac{11}{3}}$

Let's start with " $3$ times a number". We will use $x$ to represent the number. $3x$

" $2$ less than" is next. $-2$

Finally, "is $9$ ". $=9$

Put it all together to get an expression. $\boxed{3x-2=9}$

Now, let's solve for the unknown number.

Add $2$ on both sides of the equation. $3x=11$

Divide both sides of the equation by $3$ to isolate $x$ . $x=\boxed{\frac{11}{3}}$

5 0

2 years ago

Read 2 more answers

Theresa pays $9.56 for 4 pounds of tomatoes.What is the cost for 1 pound of tomatoe

Andrew [12]

9.56/4 = 2.39

$2.39 per lb.

6 0

3 years ago

Read 2 more answers

What is the first quartile of this data set

adelina 88 [10]

Answer:

C:12

Step-by-step explanation:

should be 13.5

The first quartile (Q1) is defined as the middle number between the smallest number and the median of the data set.

so the middle number of 10,11,12,15,17,19 is 13.5 since 12+15=27/2=13.5

the closest answer choice is C! Hope this helped!

3 0

3 years ago

Read 2 more answers

Select the best answer for the question. 8. Evaluate m + n2 if we know m = 2 and n = –2. A. –6 B. 6 C. 8 D. –8

natta225 [31]

M + n² = (2) + (-2)² = 2 + 4 = 6

Answer: 6

3 0

3 years ago

Clive is making hamburgers for a cookout. How many 1/4- pounds hamburgers can he make from 2 and 3/4 pounds of ground beef

marshall27 [118]

Answer:

11 1/4- pounds hamburgers can be made from 2 and 3/4 pounds of ground beef.

Step-by-step explanation:

Here, the amount of beef uses in 1 hamburger = 1/4 pound = 0.25 pounds

Total amount of beef available = 2 3/4 pounds

Now, solving the mixed fraction,we get

$2\frac{3}{4} = 2 + \frac{3}{4} = 2 + 0.75= 2.75$

So, the total available beef = 2.75 pounds

Now, $\textrm{ Number of burgers made} = \frac{\textrm{Weight of available beef}}{\textrm{Beef used in 1 hamburger}}$

= $\frac{2.75}{0.25} = 11$

So, <u>the total number of hamburgers made = 11 </u>

Hence, 11 1/4- pounds hamburgers can be made from 2 and 3/4 pounds of ground beef.

3 0

3 years ago