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Natali5045456 [20]
3 years ago
13

Can someone tell me the answers

Mathematics
1 answer:
LiRa [457]3 years ago
4 0
Question 4- is 32.25
question 5- is 12.4
question 6 -is 14/17
question 7 - is 10.7
You might be interested in
Find the solutions <br> x^2=16x-28
ioda
Minus 16x both sides and add 28 to both sides
x^2-16x+28=0
factor
hmm, what 2 numbers multiply to 28 and add to -16
hmm
1 and 28? nope
2 and 14? yep
since middle term is negative and last tem is positive, both of the factors are negative

(x-14)(x-2)=0
set each to zero
x-14=0
x=14

x-2=0
x=2

x=2 and 14
7 0
3 years ago
* Required
Natasha2012 [34]

Systematic

Got it right on test

5 0
3 years ago
How many like terms are in the expression? 14 x minus 14 y 7 minus x z 2 x 0 2 3 5.
Cerrena [4.2K]

Like terms are those terms, which have the common variable with same powers.

The number of like terms in the given expression are 3, which is (14x,-x,2x). the option 3 is the correct option.

<h3>What is like terms?</h3>

In the algebra or the algebraic expression the like terms are those terms, which have the common variable with same powers.

Given information-

The given expression in the problem is,

14 x -14 y+ 7 - x+ z+ 2 x

The given expression is the algebraic expression which 3 number of unknowns variables.

There is total 6 terms in the given expression. In which 5 terms consists the variables and one term is constant.

In the given expression,

  • The total number of terms with variable x are 3 which are,(14x,-x,2x).
  • The total number of terms with variable y is 2 which is -14y.
  • The total number of terms with variable z is 1 which is z.
  • The total number of constant terms is 1 which is 7.

Thus the number of like terms in the given expression are 3, which is (14x,-x,2x). the option 3 is the correct option.

Learn more about the  like terms here;

brainly.com/question/1779134

8 0
3 years ago
What is mDBA+b+mCBE? Explain how you know.
harkovskaia [24]

Answer:

i have no ideaaaaaaaa

Step-by-step explanation:

ssssorrrrrrrrrrryyyyyyy

7 0
3 years ago
(3k^3+4k^2-2)-(5k^2-9)-(7k^3+6k)
mr Goodwill [35]

Answer:

− 4 k3− k 2− 6 k+7

Step-by-step explanation:

I just simplified the expression.

4 0
3 years ago
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