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Effectus [21]
3 years ago
14

Which of the following expressions is equal to -3x^2-27?

Mathematics
1 answer:
Iteru [2.4K]3 years ago
3 0

Answer:

6

\sqrt{2}

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Sam studied guinea pigs for his science fair project. He found that the amount of weight the guinea pigs gained varied directly
Oliga [24]

From the given above, we can formulate the equation:

W = C / 218

By substituting the given values:

W = 1090 calories / (218 calories / 1 ounce)

W = 5 ounce

<span>Therefore the guinea pigs will gain additional 5 ounce if the diet was increased by 1090 calories.</span>

4 0
2 years ago
I need help pls, youl get a lot of points
lora16 [44]

Answer:

1st, 3rd and 4th

Step-by-step explanation:

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6 0
3 years ago
Cressida decided to save a part of her income in a savings account that compounds interest every four months. Her account balanc
hichkok12 [17]
The answer is "<span>the number of times the account compounds interest</span>".
The general formula is the following:
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6 0
2 years ago
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Vending machines can be adjusted to reject coins above and below certain weights. The weights of legal U.S. quarters have a norm
tigry1 [53]

Answer: The percentage of legal quarters will be rejected by the vending machine = 2.275%

Step-by-step explanation:

Given: The weights of legal U.S. quarters have a normal distribution with a mean of 5.67 grams and a standard deviation of 0.07 gram.

Let x be the weights of legal U.S. quarters .

Required probability: P(x5.81)

=P(\dfrac{x-\mu}{\sigma}\dfrac{5.81-5.67}{0.07})\\\\=P(z2)\approx0.02275    \ \ \ [By\  P-value\ calculator]

The percentage of legal quarters will be rejected by the vending machine = 2.275%

5 0
2 years ago
19 is 50% of what number
RSB [31]

If 19 is half (50%) of something, find that number you would just have to multiply 19 by 2.

This means that 19 is 50% of 38.

6 0
3 years ago
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