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lana66690 [7]
3 years ago
10

8 to the power of 2+9(12 divided by 3 x 2)-7 please help.

Mathematics
1 answer:
VLD [36.1K]3 years ago
5 0

8^2+9(12/3*2)-7

8^2=8*8=64

12/3*2=4*2=8

9*8=72

64+72-7=136-7=129

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The local pet store surveyed 50 people about pets. Eleven of these people owned dogs, 13 owned cats, and 6 owned fish. One perso
siniylev [52]

Answer:   29

Step-by-step explanation:

Let S denotes the total number of people surveyed, A denotes the event of having dog , B denotes the event of having cats and C denotes the event of having fish.

Given :     n(S)=50  ;n(A)=11  ;  n(B) =13  and  n(C)=6

Also, n(A∩B)=5 ;  n(A∩C) = 2 and n(B∩C)=3 and n(A∩B∩C)=1

We know that,

n(A\cup B\cup C)=n(A)+n(B)+n(C)-n(A \cap B)-n(A \cap C)-n(B \cap C)-n(A \cap B\cap C)\\\\=11+13+6-5-2-3+1=21

Now, the number of people owned none of these pets :-

n(S)-n(A\cup B\cup C)\\\\=50-21=29

Hence, the number of people owned none of these pets =29

7 0
2 years ago
Please help me with this question
Sergio039 [100]

Isn't that simply asking you to compute 30% of 20?

30              x

-----   =    ------

100           20


100x = 600

      x = 6


So, out of those 20 numbers, you would expect that 6 of them would begin with the digit 1.

7 0
2 years ago
I need help i don’t understand
ch4aika [34]

9514 1404 393

Answer:

  A) J(-3, 1), ...

Step-by-step explanation:

All of the answer choices list point J' first, so it is convenient to use that as an example.

Point J on the given graph has coordinates (x, y) = (3, 2). The x-coordinate is 3 because the point is 3 units to the right of the y-axis.

The problem statement tells you to translate this point 6 units to the left. When you move it 6 units left, it will move left 3 units to the y-axis, then left 3 more units to have an x-coordinate of 3 -6 = -3. That is, each unit of movement to the left subtracts 1 from the x-coordinate. The x-coordinate of J is 3, so the final point J' will have an x-coordinate of 3 - 6 = -3.

At this point, you have enough information to make the correct answer selection. Only one answer choice has the x-coordinate of J' as -3.

__

The other coordinates are translated using similar logic. The y-coordinate of J is 2. Translating it down 1 unit subtracts 1 from the y-coordinate to make it be 2 -1 = 1. Then the coordinates of J' are (-3, 1).

We write the translation rule as ...

  (x, y) ⇒ (x -6, y -1)

This means the coordinates of each translated point have 6 subtracted from the original x-coordinate, and 1 subtracted from the original y-coordinate. The other coordinates of the figure are ...

  I(2, 4) ⇒ I'(2 -6, 4 -1) = I'(-4, 3)

  H(5, 5) ⇒ H'(5 -6, 5 -1) = H'(-1, 4)

  G(4, 1) ⇒ G'(4 -6, 1 -1) = G'(-2, 0)

3 0
3 years ago
A. y= -9/8x-9/11 <br> B. y= 9/8x + 11/8<br> C. y= -8x - 11<br> D. y = 8/9x - 11/9
Nutka1998 [239]

Answer:

y=\frac{8}{9}x- \frac{11}{9}

6 0
2 years ago
What is the expression and answer
swat32

Answer:

Step-by-step explanation:

<em>L</em> is 2* <em>W</em> so L=2W

perimeter= 2w+2l

plug in whats given to get

perimeter=2w+4w   4w is because L is *2 of W so that makes L=2w

36=6w

36/6=6

6w/6=w

w=6

6*2=12=L

now we have 6*12=72=Area

3 0
3 years ago
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