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3 years ago

Find the hcf 8x(x - 2) -2(x - 2)

Mathematics

2 answers:

cupoosta [38]3 years ago

8 0

Answer:

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charle [14.2K]3 years ago

3 0

We can see both terms have a (x-2) in them.

We can also see that 8 and 2 are both even so there is a 2 in common.

This means that the gcd or hcf or whatever you call it is 2(x-2)

**Just mentioning most of the time we call it the GCD(greatest common divisor) or the GCF(greatest common factor) and almost never uses hcf :)

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A company sells 14 types of crackers that they label varieties 1 through 14, based on spice level. What is the probability that

Kazeer [188]

Answer:

$P(x\le 4\ or x> 10) = \frac{4}{7}$ or $P(x\le 4\ or x> 10) = 0.5714$

Step-by-step explanation:

Given

$x = \{1,2,3,4,5,6,7,8,9,10,11,12,13,14\}$

Required

Determine $P(x\le 4\ or x> 10)$

Because the events are independent, the probability can be solved using:

$P(A\ or\ B) = P(A) + P(B)$

So, we have:

$P(x\le 4\ or x> 10) = P(x \le 4) + P(x > 10)$

When $x \le 4$ , we have: $x = \{1,2,3,4\}$

So:

$P(x \le 4) = \frac{4}{14}$

Also:

When $x > 10$ , we have: $x = \{11,12,13,14\}$

So:

$P(x>10) =\frac{4}{14}$

$P(x\le 4\ or x> 10) = P(x \le 4) + P(x > 10)$ becomes

$P(x\le 4\ or x> 10) = \frac{4}{14} + \frac{4}{14}$

$P(x\le 4\ or x> 10) = \frac{4+4}{14}$

$P(x\le 4\ or x> 10) = \frac{8}{14}$

$P(x\le 4\ or x> 10) = \frac{4}{7}$

$P(x\le 4\ or x> 10) = 0.5714$

4 0

3 years ago

6 = 14 - x <br> One step equations review

Ymorist [56]

Answer:

x = 8

Step-by-step explanation:

6 = 14 - x

chance the equation around so it is solvable

14 - x = 6

14 - 6 = x

now solve

14 - 6 = 8

that means x equals 8 so

6 = 14 - 8

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3 years ago

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Nikolay [14]

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3 years ago

WHAT IS 7.5% OF 80? ROUND TO THE NEAREST HUNDRETH

miss Akunina [59]

7.5% = 7.5 /100 = 0.075

80 * 0.075 = 6 ← answer

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4 years ago

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Ratling [72]

Answer:

y=(-3/2)x - 0.5

Step-by-step explanation:

We can see that x increases by 2 when y decreases by three

First we can find the y intercept

We need x to be zero for this

We can add 1 to x but then we will need to subtract 1.5 from y

x = 0

y = -0.5

Now we find the slope

SInce we know that y goes down three when x goes forward two we know the slope is -3

plug it all in and you get the equation

y=(-3/2)x - 0.5

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3 years ago

Find the hcf 8x(x - 2) -2(x - 2)​

Find the hcf 8x(x - 2) -2(x - 2)