Answer:
See explanation.
Step-by-step explanation:
An expression is a <u>set of terms that are combined using addition, subtraction, multiplication, or division.</u> The following are examples of expressions:



Note: expressions do not equal anything.
In contrast, equations are <u>expressions that equal at least one term.</u> The following are examples of equations:




Note: equations <u>do</u> equal a term, as shown in the examples.
I am sorry but it is just an example !
Question ) A university has 30,330 students. In a random sample of 270 students, 18 speak three or more languages. Predict the number of students at the university who speak three or more languages.
Answer ) 2,022 students will speak three or more languages
Here's why:
Using proportions.
18. x
--- =. ----
270. 30,330
Cross multiply
18 x 30,330 = 545,940
270 multiply x = 270x
545,940 divided by 270 = 2,022
x = 2,022 students
Answer:
Roger
Step-by-step explanation:
<u>Without Membership</u>
<em>Roger: $228</em>
<em>Grace: $152</em>
<u>With Membership</u>
<em>Roger: $200</em>
<em>Grace: $160</em>
Answer: The area of a triangle is 12cm²
Set up a proportion of peaches/ number of jars.
18/4=x peaches/14
Cross multiply;
4x=252
x=63
So 63 peaches. Hope this helps.