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Korvikt [17]
3 years ago
5

Expand and simplify( x+4)(x-3)​

Mathematics
2 answers:
ivolga24 [154]3 years ago
8 0

Step-by-step explanation:

<h3>(x + 4)(x - 3)  \\  {x}^{2}  - 3x + 4x - 12 \\  {x}^{2}   + x - 12</h3>

sertanlavr [38]3 years ago
5 0

Answer:

The answer is x² + x - 12.

Step-by-step explanation:

1) Use foil method: (a + b) (c + d) = ac + ad + b + bd.

{x}^{2}  - 3x + 4x - 12

2) Collect like terms.

{x}^{2}  + ( - 3x + 4x) - 12

3) Simplify.

{x}^{2}  + x - 12

<u>hence</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>x</u><u>²</u><u> </u><u>+</u><u> </u><u>x</u><u> </u><u>-</u><u> </u><u>12</u><u>.</u>

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den301095 [7]

Answer:

you would need to get 4 packages of hotdogs and 5 packages of buns

4*10=40

5*8=40

Step-by-step explanation:

5 0
3 years ago
A family wants to rent a car to go on vacation. Company A charges $45.50 and 11c per mile. Company B charges $60.50 and 13c per
Maslowich

Answer: Company B charges $(15.5+0.12x) more for x miles than company A.

Step-by-step explanation:

Let x = Number of miles.

Total charge = Flat charge + (charge per mile) x  (Number of miles)

Given:

For Company A ,

Flat charge= $45

Charge per mile =  11 cents  = 0.11   [ 1 dollar = 100 cents i.e. 1 cent = 0.01 dollar]

Total charge = 45+0.01x

For Company B,

Flat charge= $60.50

Charge per mile =  13 cents  = 0.13

Total charge = 60.50+0.13x

Difference in charge = Charge for company B -  Charge for company A

= 60.50+0.13x-(45+0.01x)

= 15.5+0.12x

Hence,  Company B charges $(15.5+0.12x) more for x miles than company A.

7 0
3 years ago
Suppose you construct lines L, M, and N so that L is perpendicular to M and L is parallel to N. which of the following is true.
Blizzard [7]

In the question we are given three lines L,M and N such that:

Line L is perpendicular to M

and line L is parallel to line N

so the option is (C) M is perpendicular N

Step-by-step explanation

We are given three lines L,M and N such that:

  • Line L is perpendicular to M
  • Line L is parallel to line N

<u>We know that when one line parallel to the second line and is perpendicular to the third line then the second line is also perpendicular to the third line.</u>

<u></u>

So,the answer is  (C) M is perpendicular N

3 0
3 years ago
How do you expand (x-10)(x-10)​
denpristay [2]
1 Answer
1.multiply the First terms. x⋅x=x2.
2.multiply the Outside terms. x⋅10=10x.
3.multiply the Inside terms. −10⋅x=−10x.
4.multiply the Last terms. −10⋅10=−100.
5.add all of the answers together. x2+10x−10x−100.
6.combine like terms. x2+10x−10x−100. =x2−100.
4 0
3 years ago
Find the common difference of the arithmetic sequence 13, 16, 19,...13,16,19,...
VLD [36.1K]

Answer:

the common difference is plus 3

4 0
3 years ago
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