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3 years ago

X - 4x - 12 = (x 2)(x __ 6) where do the plus and equal sign go

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

5 0

Step-by-step explanation:

x - 4x - 12 = (x __ 2)(x ____ 6)

when they add negative

when they're multiplied negative

(x+2)(x-6)

because when u add them -6+2=-4

when u multiply them -6*2= -12

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Fill in the missing value to make the equations true.

Furkat [3]

Answer:

a) 7/4 b) 5 c) 2

Step-by-step explanation:

Logrithmic Rule for a and b

Let a, M, N be positive real numbers.

logaM - logaN = loga(M/N)

log9(7) - log9(4) = log9 (7/4)

logaM + logaN = logaMN

log2 (x) + log2(9) = log2(45)

x9=45

(x9)/9 = 45/9

x = 5

Change of base formula.

logb(x)=logd(b)/logd(x)

x log6(5) = log6(25) divide each term by log6(5)

x log6(5) / log6(5) = log6(25) / log6(5) Cancel common factor log6(5)

x = log6(25) / log6(5)

x = log6(5^2) / log6(5)

Expand log6(5^2) by moving 2 outside the logarithm.

x = 2log6(5) / log6(5) cancel the like term log6(5)

x = 2

7 0

3 years ago

What are the answers plz help me

Serga [27]

For number 3 it would be |-10| and |10|.

Number 5a is supposed to <, because -1 is greater than -7 when you look at the line graph. The same goes for 5b. 5d is >, because 0 is always greater than -1 and it shows that on the line graph that you have there. 5e is =.

I don't see anything else wrong though. Just the ones I listed.

Hope that helps!

8 0

4 years ago

Should I read Fruit's Basket? I need something to keep me busy.

djyliett [7]

Answer: Yes

Explanation: Yes because, sometimes you need to do stuff to get things of your head

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3 years ago

Solve for x.<br><br> 12(x−360)=120 <br><br> Enter your answer in the box.

kenny6666 [7]

12x-4320=120
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6 0

3 years ago

Read 2 more answers

What is the measure of NRS?

never [62]

Answer:

Step-by-step explanation:

(7x - 1) + 79° = 21x + 8

• An exterior angle of a triangle is equal to the sum of its two interior opposite angles.

$(7x - 1) +79 = 21x + 8 \\ 7x - 1 + 79 = 21x + 8 \\ 7x + 78 = 21x + 8 \\ 78 - 8 = 21x - 7x \\ 70 = 14x \\ \frac{70}{14} = x \\ 5 = x \\$

NRS = 21x + 8

$21x + 8 \\ 21(5) + 8 \\ 105 + 8 \\ {113}^{o}$

6 0

2 years ago

X - 4x - 12 = (x __ 2)(x ____ 6) where do the plus and equal sign go

X - 4x - 12 = (x 2)(x __ 6) where do the plus and equal sign go