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TiliK225 [7]
3 years ago
12

Which of the following statements is not true?

Mathematics
2 answers:
Nat2105 [25]3 years ago
6 0
X5y5z5 = xyz5 is not true
Ilya [14]3 years ago
5 0
Hey there!

To find if the first two answers are true, all you need to do is count the number of variables of each type in each equation. This number will be your exponent, since it's the number of times you will multiply that variable by itself. 

For your first answer, there are 6 x's. This means that when you multiply the x's together, it will equal x⁶. This is correct. 

For your second answer, there are 7 A's and 5 B's. This will equal A⁷B⁵. This is correct. 

The last two answers are a bit different. In order to simplify an equation like the ones you've been given, you'd need to put all of your terms in parenthesis in order to say that all of the terms within them must be multiplied by what is outside of the parenthesis. This means that:

(bc)⁶ = (b)⁶(c⁶) = b⁶c⁶, which is correct

xyz⁵ = xyz⁵ ≠ x⁵y⁵z⁵, which is not correct

Your answer will be your fourth option. Hope this helped you out! :-)
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3 0
2 years ago
A gardener is planting two types of trees:
Bumek [7]

Answer:

Step-by-step explanation:

let y represent number of years...

9 ft tall = (12 * 9) = 108 inches

10 ft tall = (12 * 10) = 120 inches

Type A : 9 ft (or 108 inches) and grows 6 inches per year..

108 + 6y

Type B : 10 ft (or 120 inches) and grows 3 inches per yr

120 + 3y

how many years will it take them to be the same height...so when will they be equal....so set them equal and solve for y

108 + 6y = 120 + 3y

6y - 3y = 120 - 108

3y = 112

y = 112/3

y = 37 1/3 years....or 37 years and 4 months <====

check...

108 + 6(37 1/3) = 120 + 3(37 1/3)

108 + 6(112/3) = 120 + 3(112/3)

108 + 672/3 = 120 + 336/3

672/3 - 336/3 = 120 - 108

336/3 = 112

112 = 112 (correct)

3 0
3 years ago
Do any of you guys no this If 18 is 45% of a value, what is that value?
iragen [17]

Answer:C.40

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Hi can you please help me out
Alexxx [7]

Answer:

Centroid

Step-by-step explanation:

is it right please  tell me down below thank you

5 0
2 years ago
Which two lines are parallel?
GaryK [48]

Answer:

First turn 3x + y = -5 to slope-intercept form (y=mx+b) by subtracting 3x in order to move it to the other side, to get

y = -3x - 5.

So now you have all three lines in proper slope-intercept form. (Don't worry about

y = 7 - 3x, it's still in slope-intercept form, despite the y-intercept and slope being swapped.)

<u>Here are the lines rewritten below</u>.⤵⤵⤵

1. y = -3x - 5

2. y = -3x + 7 or y = 7 - 3x (either way works)

3. y = -3x + 2.5

As we can see, all three lines are parallel.

Because all the slopes are the same and the y-intercepts are different. If the slopes were different, the lines wouldn't be parallel.

I also graphed the lines above, so you can see what I mean.⤴⤴⤴ Hope this helped :)

4 0
3 years ago
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