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denis23 [38]
2 years ago
14

Factorise completely 4ab+6ac-6bd-9cd​

Mathematics
1 answer:
Naily [24]2 years ago
6 0

Answer:

(2b+3c) × (2a-3d)

Step-by-step explanation:

plz mark as brainliest

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What is the probability that a point chosen at random in the triangle is also in the blue square?
matrenka [14]

The <u>probability</u> that a point <u>chosen at random</u> in the triangle is also in the blue square can be calculated using <u>geometrical definition of the probability</u>:

Pr=\dfrac{\text{desired area}}{\text{total area}}.

1. Find the total area of the triangle:

A_{total}=\dfrac{1}{2}\cdot 6\cdot 9=27\ in^2.

2. Find the desired area of the square:

A_{desired}=3\cdot 3=9\ in^2.

Then the probability is

Pr=\dfrac{9}{27}=\dfrac{1}{3}.

Answer: correct choice is B

8 0
2 years ago
B
kirill [66]

Answer:

B =116°

D = 116°

Step-by-step explanation:

one set of opposite angles of a kite equal

7 0
2 years ago
Suppose a van gets 22 mi/gal. The distance traveled D(g) is a function of the gallons of gas used
babymother [125]

Answer:

a) Table and graph showed

b) The distance will be 231 miles

c) Yes

Step-by-step explanation:

We know the van gets 22 mi/gal, so the distance D in miles traveled by the van can be expressed as  

D(g)=22g, being g the number of gallons of gas used

a) The graph of the function D and its corresponding table of values is shown below.  

b) If the van used g=10.5 gallons of gas, the distance would be:

D(10.5)=22 x 10.5 = 231 miles

c) The values of g are real in nature because they represent the amount of gas consumed by the van and it can be any real positive number. Being D a linear function of g, it also happens to take positive real values. Then it makes sense to connect the points with lines.

5 0
3 years ago
What is the slope of the line that passes through the points (-4, 8) and (−14,8)?
Lana71 [14]

Answer:

0

Step by Step Explanation:

7 0
3 years ago
Took a photo to use ​
ruslelena [56]

Answer:

x=9

<A=23

<B= 69

Step-by-step explanation:

1. 2x+5+3(2x+5)=92     2. 2x+5+6x+15=92     3. 8x+20=92     4. 8x=72     5. x=9

<A= 2(9)+5=18+5=23

<B= 3(2(9)+5)=3(23)=69

5 0
2 years ago
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