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Naddik [55]
2 years ago
10

PLEASE!! I NEED HELP

Mathematics
1 answer:
elixir [45]2 years ago
6 0

Answer:

Option A, \frac{1}{7}

Step-by-step explanation:

<u>Step 1:  Determine the numbers that are multiples of 3</u>

8 → Not a multiple of 3

9 → Multiple of 3

14 → Not a multiple of 3

19 → Not a multiple of 3

25 → Not a multiple of 3

34 → Not a multiple of 3

38 → Not a multiple of 3

<u>Step 2:  Determine the probability of chosing a multiple of 3</u>

Since we only have 1 number that is a multiple of 3 out of the 7 given numbers, that means that we do the following:  

\frac{(1\ multiple\ of\ 3)}{7\ total\ numbers}

\frac{1}{7}

Answer: Option A, \frac{1}{7}

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9th grade math please help its urgenttt
vovangra [49]

Answer:

B

Step-by-step explanation:

observe

2x^2-5x+5=0\\x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}\\=\frac{5\pm \sqrt{(-5)^2-4(2)(5)}}{2(2)}\\=\frac{5\pm \sqrt{-15}}{4}\\=\frac{5\pm i\sqrt{15}}{4}

3 0
3 years ago
Read 2 more answers
What kinds of regular polygons can be used for regular tesselations
Ahat [919]
To tessellate a surface using a regular polygon, the interior angle must be a sub-multiple (i.e. factor) of 360 degrees to cover completely the surface.

For a regular three-sided polygon, the interior angle is (180-360/3)=60 &deg;
       Since 6*60=360, so a regular three-sided polygon (equilateral triangle)            tessellates.
For a regular four-sided polygon, the interior angle is (180-360/4)=90 &deg;
       Since 4*90=360, so a regular four-sided polygon (square) tessellates.
For a regular five-sided polygon, the interior angle is (180-360/5)=108 &deg;
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For a regular six-sided polygon, the interior angle is (180-360/6)=120 &deg;
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5 0
3 years ago
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It costs 19 dollars for 3 t-shirts. W hat is the cost of 4 t-shirts
Karo-lina-s [1.5K]

Answer:

4 shirts will cost about 25.32

Step-by-step explanation:

First, You can divide 19/3 and this will give you 6.33 repeating.

Next, you will assume that one shirt would cost $6.33.

Finally, Multiply by 4 to get the amount of four shirts.  

6 0
2 years ago
if two-thirds of the pizza provided 12 pieces to the table how many pieces were in the pizza when it was full​
devlian [24]

there was 18 pieces in the beginning.

8 0
3 years ago
a business owner pays $500 a week for rent.He also pays an employee $16 an hour.If his total weekly expenses are $1,172 ,how man
Ganezh [65]
42 hours

EXPLANATION:

To find the answer, we should start with the total and get rid of the amounts that we know.

So we know the total is 1,172 in a week, and that 500 dollars of it is for rent.

1,172 - 500 =672.

Now we have 672 left.

We know that it was all spent on employees.

we know it is $16 for each hour.

672 divided by 16 is 42 total hours.

Hope this helps!
8 0
3 years ago
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