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8090 [49]
3 years ago
8

Factorise x^2+4x+3 Write your steps as well please

Mathematics
1 answer:
vampirchik [111]3 years ago
7 0

Step-by-step explanation:

  • x²+4+3
  • x²+x+3x+3
  • x(x+1)+3(x+1)
  • (x+1)(x+3)

hope it helps.

<h2>stay safe healthy and happy...</h2>
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Please tell me all the steps. Just tell me the short answer and a step-by-step equation.
Liono4ka [1.6K]

Answer: I think distribute the 1/4

Step-by-step explanation:

x-7=1/4 (x-10)\\4x-28=x-10\\4x=x-10+28\\4x=x+18\\4x-x=18\\3x=18\\x=18/3\\x=6

3 0
3 years ago
Read 2 more answers
IL GIVE BRAINLY THING
Fudgin [204]

Answer:

It takes 42 seconds for the ball to reach its maximum height

The ball's max height is 2

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5 0
3 years ago
The rectangle below has an area of 70 square meters.
nasty-shy [4]

Answer:

The side lengths are 10 by 7

Step-by-step explanation:

The area of a rectangle is

A = l*w

70 = (x - 11)(x - 8)

FOIL

70 = x^2 -8x-11x+88

Combine like terms

70 = x^2 -19x +88

Subtract 70 from each side

0 = x^2 -19x +88-70

0 = x^2 -19x+18

Factor

What number multiplies to 18 and adds to -19

-18*-1 =18

-18-1 = -19

0=(x-18)(x-1)

Using the zero product property

x-18=0   x-1=0

x=18   x=1

But x cannot x=1 because then the side lengths would be negative

x-18 = 10

x-11 = 7

The side lengths are 10 by 7

4 0
3 years ago
19 hundred thousandths in scientific notation
SVETLANKA909090 [29]
In order to find scientific notation you have to move the decimal (which is located at the end of the number in the case) where it becomes a number less than 10 but greater than 1.
(190,000.) = (1.9)
How ever many times you moved the decimal (in this case 5) will now become the exponent (whether the exponent is positive or negative will tell you whether to move left or right)
(1.90,000.)
(5)
As an end result 190,000 in scientific notation will then equal 1.9x10^5
1.9  \times {10}^{5}
6 0
3 years ago
Find the area of a triangle where the base is 3 3/4 in and the height is 4 inches.
sergeinik [125]
A=30
Multiply base times height and then divide by 1/2
(3 3/4)(4)=15
15/(1/2) = 30
8 0
3 years ago
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