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oksian1 [2.3K]
4 years ago
12

How to simplify the expression 7x+15x

Mathematics
2 answers:
docker41 [41]4 years ago
7 0
Add like terms

7x + 15x = 22x
drek231 [11]4 years ago
7 0
Factor out the x first.
x(7+15)
Add 7 + 15 = 22
Multiply 22 with x.
22x is your answer.
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for the polynomial P(x)=4x^2-5x+6 and c =1, find p(c) by (a. direct substitution and (b. the remainder theorem
nata0808 [166]
p(x)=4x^2-5x+6

c=1\implies p(c)=4(1)^2-5(1)+6=5

By the remainder theorem, the remainder upon dividing a polynomial p(x) by a linear binomial x-c is equal to p(c). Via synthetic division, we get

1   |  4   -5   6
.    |        4  -1
- - - - - - - - - - -
.    |  4   -1   5

which translates to

\dfrac{4x^2-5x+6}{x-1}=4x-1+\dfrac5{x-1}

or

4x^2-5x+6=(4x-1)(x-1)+5

Indeed, when x=1, the first term on the right hand side vanished and we're left with 5.
8 0
3 years ago
Solve for 1/3(x+2)=2/3x+4
Norma-Jean [14]

Answer:

Step-by-step explanation:

Let's solve your equation step-by-step.

1

3

(x+2)=

2

3

x+4

Answer:

x=−10

8 0
4 years ago
What are some examples of Adjacent Congruent Angles.
Anastasy [175]

Answer:

  • base angles of an isosceles triangle
  • angles at successive corners of any regular polygon
  • angles either side of an angle bisector
  • angles made by a perpendicular to a line (excluding vertical angles)

Step-by-step explanation:

When it comes to angles, the term "adjacent" means different things in different contexts. Any pair of angles in a triangle are considered to be adjacent. The base angles of an isosceles triangle are adjacent congruent angles.

Angles at successive corners of any regular polygon are congruent adjacent angles.

Angle that have a common vertex and a common side are also called adjacent angles. Angles on either side of an angle bisector are adjacent congruent angles. Likewise any non-vertical pair of angles where lines cross at right angles are adjacent congruent angles.

3 0
3 years ago
A machine produces 75 widgets an hour. How many widgets does it produce in 6 minutes.
AVprozaik [17]
Greetings!

"<span>A machine produces 75 widgets an hour. How many widgets does it produce in 6 minutes?"...

An hour/60 minutes is ten times more than 6.
Therefore, we divide the amount per hour by ten:
75/10
=7.5

The machine produced 7.5 widgets /7 full widgets every six minutes.

Hope this helps.
-Benjamin
</span>
3 0
4 years ago
How do you figure out the tax on these price $66.00 with 13% tax?
skad [1K]

13% = 0.13

tax = $66.00 x 0.13 = $8.58

Hope it helps

3 0
4 years ago
Read 2 more answers
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