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3 years ago

15

What number is the opposite from 6.8 A. -6.8 B. 8.6 C. 68 D. -8.6

1 answer:

Nina [5.8K]3 years ago

8 0

The answer is A. -6.8

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Ms. Pacheco wrote the following expression. [7 x (4 + 11)] - 9 What is the value of the expression?

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Answer: 105x-9

Step-by-step explanation:

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2 years ago

What can be used to show the difference in variation for two populations that have equivalent measures of center?.

MakcuM [25]

There’s no answer for that it just depends

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2 years ago

At the start of the week, Ladasha’s checking account had a balance of $34. She deposited $50 each day for three days. She made a

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2 years ago

Read 2 more answers

A card is drawn randomly from a standard 52-card deck. Find the probability of the given event. (a) The card drawn is 5. The pro

Dmitrij [34]

Answer:

a. 1 / 13
b. 3 / 13
c. 10 / 13

Step-by-step explanation:

<h3>a.</h3>

There are four 5's in the deck. This means that, from 52 possible cards to drawn, we have 4 chances of drawing a 5. This means that the probability will be:

$p = \frac{4}{52}$

$p = \frac{1}{13}$

<h3>b.</h3>

For every suit, there are three face cards, J, Q and K. There are 4 suits, so, the total number of face cards its:

$4 * 3 = 12$

The total possible cards are, still, 52, so, the probability will be

$p = \frac{12}{52}$

$p = \frac{3}{13}$

<h3>c.</h3>

We know that the card drawn must be a face card, o not being a face card. There is no third choice here. So, the probability of drawing a face card OR not drawing a face car its:

$p = \frac{52}{52} = 1$

so

$p(the \ card \ is \ a \ face \ card) + p(the \ card \ is \ not \ a \ face \ card) = 1$

$p(the \ card \ is \ not \ a \ face \ card) = 1 - p(the \ card \ is \ a \ face \ card)$

but, we know that

$p(the \ card \ is \ a \ face \ card = \frac{3}{13}$

so

$p(the \ card \ is \ not \ a \ face \ card) = 1 - \frac{3}{13}$

$p(the \ card \ is \ not \ a \ face \ card) = \frac{10}{13}$

7 0

2 years ago

Find the function. f(-7) if f(x) = 8x+15<br>f(-7) = <br>-4?<br>7<br>0

docker41 [41]

Answer:

-41.

Step-by-step explanation:

Replace the x by -7:

f(-7) = 8(-7) + 15

= -56 + 15

= -41.

7 0

2 years ago