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Delvig [45]
3 years ago
11

Sally bought the pizza shown above for lunch, which is cut into 10 equal slices. What percentage of the pizza did Sally eat if s

he had six slices?
A) 40%
B) 50%
C) 60%
D) 70%
Mathematics
2 answers:
GenaCL600 [577]3 years ago
6 0
We can represent the pizza as 1. And every time we take a slice, we take percentage away. This pizza is cut up equally into 10 slices. So, if we take away a slice, we take away 1/10 of the pizza. What if Sally ate 6 slices? Same difference. She took away 6/10 of the pizza.

And to answer the question, "What <span>percentage of the pizza did Sally eat if she had six slices?"

We will convert the 6/10 into a percentage. First convert the fraction into a decimal then into a percent.

To convert a fraction into a decimal, simply divide it's numerator by it's denominator.

6/10 = 0.60

And to convert a decimal into a percentage, move the decimal point two places to the right and change it into a % sign.

0.60 = 60%

So, the answer to this question C) 60%

If you are still confused, DM me and I'll do my best to help!

</span>
Natalija [7]3 years ago
5 0
"Percent" means per one hundred, so you can say:

p/100=6/10

p=600/10

p=60%
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Step-by-step explanation:

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2 years ago
If i^2 = −1 and x = i + 9, which is the result of squaring x?
Anestetic [448]

Answer:

80 + 18i

Step-by-step explanation:

i² = -1

x = i + 9

x² = (i + 9)²

Applying; (a + b)² = a² + 2ab + b² concept,

x² = i² + 18i + 81

We know that i² = -1

So x² = -1 + 18i + 81

x² = 81 - 1 + 18i = 80 + 18i

8 0
3 years ago
A ball is thrown from an initial height of 2 feet with an initial upward velocity of 18/fts . The ball's height h (in feet) afte
inna [77]
Hello! First insert 6 where the h is located. So we have an equation that looks like the following. 6 = 2 - 18t + 16t^2

Although you could leave the equation in its original form, I am going to switch it around.
6 = 2 - 18t + 16t^2
16t^2 - 18t + 2 = 6
Move the 6 to the other side and do the math
16t^2 - 18t + 2 - 6 = 6 - 6
16t^2 - 18t -4 = 0
Factor and after factoring your T will be as follows
t = \frac{9}{16} - \frac{\sqrt{145}}{16} = -0.1900
t = \frac{9}{16} + \frac{\sqrt{145}}{16} = 1.315

4 0
3 years ago
How do you multiply the expression (3x+2)(4x-7)
Leona [35]

Answer:

You "FOIL" (First, Outer, Inner, Last).

12x^{2}  - 13x - 14

Step-by-step explanation:

You "FOIL" (First, Outer, Inner, Last). Basically, you have to multiple each term by each of the other terms.

(3x+2)(4x-7)

(3x)(4x) + (17)(3x) + (2)(4x) + (2)(-7)

12x^2 - 21x + 8x - 14

12x^2 - 13x - 14

3 0
3 years ago
Read 2 more answers
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marta [7]

Since we are finding total distance, we can just add both together.

5 + 2 = 7ft total traveled

Best of Luck!

7 0
3 years ago
Read 2 more answers
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