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nadezda [96]
2 years ago
15

(X-3)2 -0 Ajuda, alguém ajuda?

Mathematics
1 answer:
yanalaym [24]2 years ago
8 0

Answer:

(X- 3)² - 0

(X - 3 )( X - 3 )

x² + 9 - 6x

x² - 6x + 9

a = 1

b = -6

c = 9

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If you eat a diet with 2,000 kilocalories and 45 percent of those calories come from protein, about how many grams of protein di
jekas [21]

The amount of Protein intake is 900 kilocalorie.

We have - 2000 Kilocalories of diet and 45 Percent of calories come from Proteins.

Wе have to find out the amount of protein intake.

<h3>If ' x ' students out of total ' n ' students in a class are infected by virus. Then, what percentage of students are infected.</h3>

Percentage of students affected are -  \frac{x}{n} \times 100

In the question given -

Let the amount of Protein intake be y.

Then -

45 = y % of 2000

45 = \frac{y}{2000} \times100

y = \frac{45\times2000}{100}

y = 900 Kilocalorie

Hence, the amount of Protein intake is 900 kilocalorie.

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7 0
1 year ago
Seth purchased a printer for $350. The price of the printer that Jose purchased was 4/5 the price that Seth payed. How much did
Natasha2012 [34]
4/5 of 350...." of " means multiply
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3 0
3 years ago
Kyilah bought 41.19 grams of chili and 19.415 grams of sugar. Did Kyilah buy more chili or sugar?
Sauron [17]

Answer:

Chili I think, I don't know for certain

Step-by-step explanation:

7 0
2 years ago
Two traffic lights operate independently. Your probability of being stopped at the first one is 0.4 and your probability of bein
Rus_ich [418]

Answer:

Most people found the probability of just stopping at the first light and the probability of just stopping at the second light and added them together. I'm just going to show another valid way to solve this problem. You can solve these kinds of problems whichever way you prefer.

There are three possibilities we need to consider:

Being stopped at both lights

Being stopped at neither light

Being stopped at exactly one light

The sum of the probabilities of all of the events has to be 1 because there is a 100% chance that one of these possibilities has to occur, so the probability of being stopped at exactly one light is 1 minus the probability of being stopped at both lights minus the probability of being stopped at neither.

Because the lights are independent, the probability of being stopped at both lights is just the probability of being stopped at the first light times the probability of being stopped at the second light. (0.4)(0.7) = 0.28

The probability of being stopped at neither is the probability of not being stopped at the first light, which is 1-0.4 or 0.6, times the probability of not being stopped at the second light, which is 1-0.7 or 0.3. (0.6)(0.3) = 0.18

Step-by-step explanation:

8 0
2 years ago
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