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Arlecino [84]
3 years ago
9

A pizza has 8 slices. The pizza has a radius of 12 cm.

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0

Answer:

One slice of pizza will be 56.5486677646 cm long.

lesya692 [45]3 years ago
3 0

Answer:

The area of 1 slice of pizza is 56.5 cm² .

Step-by-step explanation:

In order to find the area of one slice, you have to find the area of the whole pizza using the area of circle, A = π×r² where r represents radius :

Let r be 12 cm,

A = π×12²

= 144π cm²

It is given that this pizza can be cut into 8 slices. So you have to divide it by 8 :

144π ÷ 8

= 56.5 cm² (3s.f)

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What is the equation of a line that is perpendicular to y = 3 x − 2 and passes through the point ( 6 , 8 ) Was
Flauer [41]

Hello!

To find the line that is perpendicular to y = 3x - 2 and passes through the ordered pair (6, 8), we will:

  1. Find the negative reciprocal using the slope of the given function
  2. Substitute the given ordered pair into the new equation with the slope found in step 1

Let's remind ourselves of slope-intercept formula. Slope-intercept formula is y = mx + b, where m is the slope, and b is the y-intercept.

In the given equation, we know that 3 is slope. With that, we can find the negative reciprocal of that slope, and continue to step #2.

To find the reciprocal, we will need to flip our fraction. In this case, 3/1 = 3, so once we flip it, it is 1/3. Since it is the negative reciprocal, the fraction is a negative, so the negative reciprocal is -1/3.

Now, we will substitute the ordered pair into the slope-intercept formula with our new slope.

y = -1/3x + b (6, 8)

8 = -1/3(6) + b

8 = -2 + b (add 2 to both sides)

10 = b

Therefore, the equation of the line is y = -1/3x + 10.

8 0
3 years ago
Find 3 consecutive integers whose sum is 105.
MatroZZZ [7]

Answer:

34 + 35 + 36 = 105

Step-by-step explanation:

To solve for X, you first add the integers together and the X variables together. Then you subtract three from each side, followed by dividing by 3 on each side. Here is the work to show our math:

X + X + 1 + X + 2 = 105

3X + 3 = 105

3X + 3 - 3 = 105 - 3

3X = 102

3X/3 = 102/3

X = 34

Which means that the first number is 34, the second number is 34 + 1 and the third number is 34 + 2. Therefore, three consecutive integers that add up to 105 are 34, 35, and 36.

34 + 35 + 36 = 105

We know our answer is correct because 34 + 35 + 36 equals 105 as displayed above.

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4 years ago
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Talja [164]

Answer:

90+45 +? = 180

180 - 90 - 45 = x

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please help asap its been due already and its gonna be late please answer and explain properly
Softa [21]

Answer:

Both aren't proportional

Step-by-step explanation:

Whenever they are simplified they don't add up to the same fraction

Sorry for my bad hand writing, hopefully you can still read it :)

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