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11Alexandr11 [23.1K]
3 years ago
11

Which of the algebraic expressions are not linear expressions? Select all that apply. a. 3x - 2 b. -9y c. -7x^2^ + 4x d. -1/2x^2

^ e. 8xy (The ^2^ means squared!)
Mathematics
1 answer:
Sedaia [141]3 years ago
6 0

Answer:

c, d and e

Step-by-step explanation:

A linear expression is an expression in which sum of exponents of variables is at most 1 in each of its terms.

Option a: 3x - 2

Here, the exponent of the variable is 1.

So, it is a linear expression.

Option b: -9y

Here, the exponent of the variable is 1.

So, it is a linear expression.

Option c: -7x^2 + 4x

Here, the highest exponent of the variable is 2.

So, it is NOT a linear expression.

Option d: -\frac{1}{2} x^2

Here, the exponent of the variable is 2.

So, it is NOT a linear expression.

Option e: 8xy

Here, sum of exponents of variables is 2.

So, it is NOT a linear expression.

Hence, c, d and e are NOT algebraic expressions.

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fomenos

Answer:

Not sure but :

Y=15/7

X=13/5

Z=26/7

I will check them later and tell you if they are right or not .

Step-by-step explanation:

y power 2 : 31 × 8 = 248

Rad 248 = 15/7

x power 2 : 23 × 8 = 184

Rad 184 = 13/5

31 power 2 : (15/7) power 2 + z power 2

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z power 2 = 714/51

rad 714/51 = 26/7

z = 26/7

6 0
3 years ago
All numbers streets runs parallel to each other both 3rd and 4 the streets are intersected by king Ave
erastova [34]

Answer:

Step-by-step explanation:

King avenue becomes the base

He turns left into the side meet right angle side.

Therefore the hypotenuse cuts through the houses and becomes a measure

Hypotenuse +  King Ave B = 3rd Street A

Hypotenuse + 7000mB = 3rd St 5000m A.

H^2= 7m^2B - 5m^2A

√H74 =  √25A +√B49

H = √H74 = 8600m

5 0
3 years ago
3(x+10)=2(2x+16) help please & thank you
andrew-mc [135]
In this question, you have to isolate <em>x</em>.

First, use the distributive property.

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Now that you have distributed, subtract the constants. 


7 0
3 years ago
Given: f(n) = 3n-5 and g(n) = 2n-1<br>Find: (fog)(5​
laiz [17]

Answer:

22

Step-by-step explanation:

So we have the two functions:

f(n)=3n-5\text{ and } g(n)=2n-1

And we want to find (fog)(5). This is the same as:

(f\circ g)(5)=f(g(5))

So, find g(5) first:

g(5)=2(5)-1\\

Multiply and subtract:

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So, we can substitute:

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Multiply and subtract:

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(f\circ g)(5)=22

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4 0
3 years ago
If 10a+10b=35, what is the average (arithmetic mean) of a and b?
worty [1.4K]

Answer:

1.75

Step-by-step explanation:

If a  and b are two numbers, then their arithmetic mean is

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10a+10b=35

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Now, divide it by 2:

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6 0
3 years ago
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