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Alex17521 [72]
2 years ago
10

Martin order a pizza with a 16-inch diameter. Ricky ordered a pizza with a 20-inch diameter. What is the approximate difference

in area of the two pizzas?
A - 50 inches
B - 113 inches
C - 201 inches
D - 452 inches
Mathematics
1 answer:
Ratling [72]2 years ago
4 0

Answer:

B. -113 inches

Step-by-step explanation:

First you have to find the radius of the two pizzas. The radius is half of the diameter. So, the first pizza would have a radius of 8 inches, since 8 is half of 16. The second pizza would have a radius of 10 inches, since 10 is half of 20. Then you would use the area formula to find the area of the two pizzas. The area formula is A=3.14R^2. The area of the first pizza is 201.06. The area of the second pizza is 314.16. Then you subtract those two numbers to get -113.1. The answer is -113 inches.

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In which quadrant do the points have negative x-coordinates and negative y-coordinates?
Jet001 [13]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

Quadrant III

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

  • The plane is split into four quadrants.
  • Quadrant III houses all the points with negative signs for both X and Y values.

⸻⸻⸻⸻

See the attached picture for reference.

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

6 0
3 years ago
Read 2 more answers
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions:
Nadusha1986 [10]
<h2>Explanation:</h2><h3>Part A.</h3>

The boundary lines of both inequalities will be dashed, because neither includes the "or equal to" case.

The first inequality solution area is bounded by a line with slope +5 and y-intercept +5. The solution area is above the line (y is greater than ...). Since the line rises steeply, the solution area looks to be to the left of the line. (It is shaded red on the attached graph.)

The second inequality solution area is bounded by a line with slope -1/2 and y-intercept +1. The solution area for this inequality is also above the line.

The solution area is where the two solution spaces overlap, in the quadrant to the upper left of the point where the lines intersect.

___

<h3>Part B.</h3>

The graph shows the point (-2, 5) to be in the solution space.

We can show this point satisfies both inequalities.

  • 5 > 5(-2)+5 ⇒ 5 > -5 . . . true
  • 5 > (-1/2)(-2) +1 ⇒ 5 > 2 . . . true

8 0
3 years ago
Daniel is going to buy a pizza.
morpeh [17]

Answer:

9

Step-by-step explanation:

For each pizza variety, Daniel can choose 18 different toppings. Therefore, for 23 pizza varieties, Daniel can choose from 23 * 18 = 414 different combinations of varieties and toppings.

For each pizza size, Daniel can choose from 414 different combinations of varieties and toppings. Therefore, for n pizza sizes, Daniel can choose from n * 414 = 3726 combinations

414n = 3726

divide both sides by 414 to isolate the n

n = 9

7 0
2 years ago
Billy is helping to make pizzas for a school function. He's made 25 pizzas so far. His principal asked him to make at least 30 p
elena-14-01-66 [18.8K]

Answer:

The answer is b.

5 ≤ x ≤ 50; Billy needs to make at least 5 more pizzas but no more than 50.

Step-by-step explanation:

Please mark me brainliest, if I helped!

6 0
2 years ago
find the probability of obtaining two digit number which is divisible by either of the two consecutive odd numbers whose product
Ugo [173]
The two consecutive odd numbers that have a product of 15 are 3 and 5
There are 100 random 2 digits numbers [00 , 99]
There are 34 divisible by 3 {00, 03, 06, 09, … 93, 96, 99}
There are 20 divisible by 5 {00, 05, 10, … 90, 95}
However we must avoid counting numbers twice so we need to subtract those divisible by 15.
There are 7 divisible by 15 {00, 15, 30, 45, 60, 75, 90}

This means there are 34 + 20 - 7 = 47 2-digit numbers that are divisible by 3 or 5.
If you pick a random 2-digit number then P(divisible by 3 or 5) = 47/100 = 0.47
5 0
2 years ago
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