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Aleksandr-060686 [28]
3 years ago
10

How do i factorise 8x squared plus 4xy ???

Mathematics
2 answers:
Usimov [2.4K]3 years ago
7 0
8x2 + 4xy
= (4x) (2x+y).
andreev551 [17]3 years ago
6 0

8x^2 + 4xy = 4x (2x + y)

hope that helps

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yulyashka [42]
What is the cost of the book?
6 0
2 years ago
Read 2 more answers
Someone please help me
MA_775_DIABLO [31]

Answers:

<h2>A, C, & E</h2>

Step-by-step explanation:

To see which ordered pairs work in the inequality, substitute the ordered pairs in for the variables. If you get a true statement, this means the pair is a solution to the inequality.

A. 3, 18

-3x + y <u>></u> 7

-3(3) + 18 <u>></u> 7

-9 + 18 <u>></u> 7

9 <u>></u> 7 Correct :)

3, 18 is a solution to this inequality.

B. -2, -3

-3(-2) + -3 <u>></u> 7

6 + -3 <u>></u> 7

3 <u>></u> 7 Incorrect :(

-2, -3 is not a solution to this inequality.

C. -1, 8

-3(-1) + 8 <u>></u> 7

3 + 8 <u>></u> 7

11 <u>></u> 7 Correct :)

-1, 8 is a solution to this inequality

D. 1, 9

-3(1) + 9 <u>></u> 7

-3 + 9 <u>></u> 7

6 <u>></u> 7 Incorrect :(

1, 9 is not a solution to this inequality.

E. 0, 7

-3(0) + 7 <u>></u> 7

0 + 7 <u>></u> 7

7 <u>></u> 7 Correct :)

0, 7 is a solution to this inequality.

<em>PLEASE MARK BRAINLIEST</em>

4 0
3 years ago
I did half the answer but what is e= ?​
OLga [1]

Answer:

See below.

Step-by-step explanation:

e=12c+6

e=12(1)+6

e=12+6

e=18

e=12(2)+6

e=24+6

e=30

e=12(3)+6

e=36+6

e=42

e=12(4)+6

e=48+6

e=54

-hope it helps

5 0
2 years ago
8.4x-5=20.2 solve for x
tresset_1 [31]

Answer:

x=3

Step-by-step explanation:

6 0
3 years ago
A quiz consists of 10 true or false questions. To pass the quiz a student must answer at least eight questions correctly.
lys-0071 [83]

Answer:

The probability of  the student will pass the quiz = .0546

Step-by-step explanation:

Given -

Total no of question = 10

If the student guesses on each question there are two outcomes true of false

the probability  of guesses  question correctly =  \frac{1}{2}

the probability  of success is (p) =  \frac{1}{2}

the probability  of guesses  question incorrectly = \frac{1}{2}

the probability  of failure is (q) = 1- p = \frac{1}{2}

If the student guesses on each question he must answered at least 8 question correctly

the probability of  the student will pass the quiz = P(X\geq8 )

= P(X = 8 ) + P(X = 9) + P(X = 10 )

= \binom{10}{8}(p)^{8}(q)^{10 - 8} + \binom{10}{9}(p)^{9}(q)^{10 - 9} + \binom{10}{10}(p)^{10}(q)^{10 - 10}

= \frac{10!}{(2!)(8!)}(\frac{1}{2})^{8}(\frac{1}{2})^{10 - 8} +\frac{10!}{(1!)(9!)} (\frac{1}{2})^{9}(\frac{1}{2})^{10 - 9} + \frac{10!}{(0!)(10!)}(\frac{1}{2})^{10}(\frac{1}{2})^{10 - 10}

= 45\times\frac{1}{2^{10}} + 10\times\frac{1}{2^{10}} + 1\times\frac{1}{2^{10}}

= \frac{56}{2^{10}}

= .0546

5 0
3 years ago
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