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hjlf
3 years ago
15

How do I factorise an expression

Mathematics
1 answer:
ololo11 [35]3 years ago
3 0
It factorises to -
4(x+6)

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The midpoint of the line segment from P1 to P2 is (-6,5). If P1 = (-7,8), what is P2?
kipiarov [429]
You can determine midpoint by
x-midpoint = (x₁ + x₂)/2
y-midpoint = (y₁ + y₂)/2

Given from the question
x-midpoint = -6
x₁ = -7
y-midpoint = 5
y₁ = 8

Asked from the question
(x₂, y₂)

Solution
Find x₂, input the value of x₁ and x-midpoint to the formula
(x₁ + x₂)/2 = x-midpoint
(-7 + x₂)/2 = -6
-7 + x₂ = -6 × 2
-7 + x₂ = -12
x₂ = -12 + 7
x₂ = -5

Find y₂, input the value of y₁ and y-midpoint to the formula
(y₁ + y₂)/2 = 5
(8 + y₂)/2 = 5
8 + y₂ = 5 × 2
8 + y₂ = 10
y₂ = 10 - 8
y₂ = 2

Answer
P₂ = (-5,2)
5 0
3 years ago
10 POINTS AND BRAINLIEST!<br><br> What is the volume of the rectangular prism?
steposvetlana [31]

Answer:

416 is the answer lol

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Last week, a pharmacy sold a bottle of shampoo for $5.00. This week, the shampoo sells for $6.50. By what percent did price incr
mariarad [96]

Answer:

The percent increase is 30%

Step-by-step explanation:

First find the difference

6.50 - 5.00 = 1.50

Divide by the original cost

1.50 / 5.00

.3

Change to percent

.3 = 30%

The percent increase is 30%

5 0
2 years ago
Read 2 more answers
Ali has 11 more than twice as many color pencils as Benji. Together they have 89 pencils.
Montano1993 [528]

Answer:

Benji: 26

Ali:53

Step-by-step explanation:

Benji:X

Ali: 2X+11

2X+11+X=89

3X+11=89

3X=78

X=26

Benji: 26

Ali: 2×26+11=53

8 0
3 years ago
HELP PLEASE!!!!!!!!!!!
Vlada [557]

Answer:

16

Step-by-step explanation:

80 divided by 5 equals to 16.

You divide by 5 because Since he sold 80 this week and last week was 5 times less.

7 0
3 years ago
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