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3 years ago

56:31

Mathematics

1 answer:

Nutka1998 [239]3 years ago

6 0

Answer:

The equation is (2+x) / 4 = 3

Total amount of chopped vegetables = 10 pounds

Step-by-step explanation:

Meat=2 pounds

Vegetables=x

Mixture= 2+x

She divides the mixture into 4 equal portions

(2+x)/4

Each portion weighs 3 pounds

(2+x)/4=3

Solve the equation

(2+x)/4=3

Cross product

(2+x) = 4 × 3

2+x=12

x=12-2

=10

x=10 pounds

Total amount of chopped vegetables = 10 pounds

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Jaquelyn wants to start getting to school on time more often. She is looking at some of her habits.

olganol [36]

Given that Jaquelyn was tardy on Monday, there is a 12 percent chance she will be late on Tuesday as well.

What is the Probability?

How likely it is that a stated event would occur is assessed using probability. The event would have a probability of 1 if it happened with certainty. The probability of an occurrence would be zero if it were absolutely guaranteed that it would not occur.

As getting late on Monday and Tuesday are independent events, their probabilities can be multiplied.

So the probability of getting late on Tuesday, given she was late to school on Monday = Probability of being late on Monday x Probability of she being late on Monday and she is late on Tuesday 60% of the time.

= 0.2 x 0.6

= 0.12

Thus the approximate probability that Jaquelyn will be late on Tuesday, given she was late to school on Monday will be 0.12

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2 years ago

If posts are spaced 10 feet apart, how many posts are needed for 130 feet of straight-line fence?

sineoko [7]

Sense its 10 feet apart and there is 130 feet of stright line fence it will be 13 posts

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3 years ago

Cual es la respuesta ?

Masteriza [31]

30 3/4 + 12 1/4 + 16 1/4 = 59 1/4
72 - 59 1/4 = 12 3/4
Buenos tardes!

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3 years ago

Suppose the line of best fit is being found for some data points that have an r-value of 0.793. If the standard deviation of the

alexandr1967 [171]

Answer: 0.393

Explanation: If the given quantities are r-value (or Pearson's coefficient) and the standard deviations of x and y coordinates, we'll use the following formula for slope:

$m = \frac{rs_y}{s_x} 

$

where:
m = slope of the best fit line
r = r-value = 0.793
$s_x$ = standard deviation of x-coordinates = <span>5.591
</span> $s_y$ = standard deviation of y-coordinates = 2.772

So, the slope is calculated as follows:

$m = \frac{rs_y}{s_x}
\\ = \frac{(0.793)(2.772)}{5.591}
\\ \boxed{m \approx 0.393}$

Hence, the slope in 3 decimal places is 0.393.

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3 years ago

Ann broke up

natali 33 [55]

Answer:

I think. its below

Step-by-step explanation:

1 x 8 = 8

4 x 8 = 32

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3 years ago