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Murljashka [212]
4 years ago
10

To get the value of an expression you add

Mathematics
2 answers:
frez [133]4 years ago
6 0
When we substitute a specific valuefor each variable, and then perform the operations, it's called evaluating theexpression. Let's evaluate theexpression 3y + 2y when 5 = y. Click on the steps to see how it's done. Perform the operations, to find the value of the expression.
NNADVOKAT [17]4 years ago
6 0
<span>Algebra Basics - Evaluating expressions - First Glance. We have learned that, in in an algebraic expression, letters can stand for numbers. When we substitute a specific value for each variable, and then perform the operations, it's called evaluating the <span>expression.  For more go to

</span></span>www.math.com/school/subject2/lessons/S2U2L3GL.html
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Could anyone tell me the answer
erastova [34]

Answer:

2x+3

Step-by-step explanation:

divide 6x + 9 by 3 using long polynomial division  

4 0
3 years ago
Help on blue question. 15 points if answered right
tino4ka555 [31]

32=-16t +16t^2

Divide each term by 16

2=-1t+t^2

t^2-t-2=0

0=(t-2 )(t+1)

T=2 or -1

Answer is 2 seconds

4 0
3 years ago
Read 2 more answers
A 20 foot rope is cut so that one piece is 5 feet longer than the other. Find the length of each piece
hammer [34]

Let one piece of the rope be x

Let the other piece of rope be x + 5

These two pieces put together will make 20 feet.

So we say:

x + (x +5) = 20

What is x? We expand the equation.

x + x + 5 = 20

x + x = 20 - 5

2x = 15

x = 7.5

The shorter piece is  therefore 7.5 feet.

The longer piece is 7.5 + 5 = 12.5 feet.



5 0
4 years ago
In triangle JKL, angle J is 26.8, angle K is 19 and k is 17 find (cursive L) to the nearest tenth
Alja [10]

Check the picture below.

make sure your calculator is in Degree mode.

4 0
4 years ago
Solve for x.
Aneli [31]
\frac{8x}{7}+9=30
\frac{8x}{7}=21 {subtract 9 from both sides}
8x=147 {multiply both sides by 7 to cancel out the division (fraction)}
x=18.375 {divide both sides by 8}
The answer is A) 18 3/8
5 0
4 years ago
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