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murzikaleks [220]
3 years ago
9

What is the value of the expression below when a = 5? ​ ​ 7a - 4

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0
The answer above is correct 31
Ostrovityanka [42]3 years ago
7 0

Answer:

31

Step-by-step explanation:

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Which algebraic expression represents the phrase below? five times the sum of a number and eleven, divided by three times the su
anyanavicka [17]

<u>The overall </u><u>algebraic  expression</u><u> will be:   </u>\frac{5(x+11)}{3(x+8)}<u />

Definition of algebraic expression -

An expression obtained by a finite number of the fundamental operations of algebra upon symbols representing numbers.

Five times the sum of a number and eleven, divided by three times the sum of the number and eight.

Let the number be x.

Five times the sum of a number and eleven means 5 multiplied to the sum of x and 11. In expression this will be written as:

5(x + 11)

Three times the sum of the number and eight means 3 multiplied to the sum of x and 8. In expression this will be written as:

3(x + 8)

So, the overall <u>algebraic</u> expression will be:    \frac{5(x+11)}{3(x+8)}

Learn more about algebraic expression

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3 0
2 years ago
Tara and Veronica are in charge of making a banner for the volleyball game this Saturday. How much poster paper will they need f
fenix001 [56]

Answer:

21 7/8 square feet

Step-by-step explanation:

To solve the above Question, we have to used the formula of a parallelogram

The formula is given as:

Base × Height

Base = 6 1/4 feet

Height = 3 1/2 feet

Area = 6 1/4 × 3 1/2

Area = 25/4 × 7/2

Area = 175/8

Area = 21 7/8 ft²

Therefore, they would need 21 7/8 square feet poster paper for the parallelogram shaped banner

7 0
3 years ago
Find the value of f(-1) for the function below
mrs_skeptik [129]

Put the value of x = -1 to the equation of a function f(x):

f(x)=\dfrac{2}{3}\times3^{3x+12}\\\\f(-1)=\dfrac{2}{3}\times3^{3(-1)+12}=\dfrac{2}{3}\times3^{-3+12}=\dfrac{2}{3}\times3^9=\dfrac{2}{1}\times3^8=13,122\to\boxed{B.}

8 0
4 years ago
PLS HELP ME ASAP FOR QUESTION 15!! (MUST SHOW WORK!!) + LOTS OF POINTS!! *brainliest*
frozen [14]
1.5m^2 I believe. I could be wrong but I hope I have helped!
7 0
3 years ago
Read 2 more answers
What number is needed to complete the pattern below? 202 210 218 __ 234 242 250 258
sdas [7]
202 + 8 = 210
210 + 8 = 218
218 + 8 = 226

The number is 226.
5 0
3 years ago
Read 2 more answers
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