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White raven [17]
4 years ago
6

Problem #1

Mathematics
1 answer:
ale4655 [162]4 years ago
7 0

Answ420 is life er:

Step-by-step explanation:

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Write in mathematical expression.
bulgar [2K]

Answer:

B

Step-by-step explanation:

1) "number multiplied by -6" = number times -6 (x is the number)

-6 * x = -6x

2) "subtracted from the sum of (8 and two times the number)"

sum is addition

two times x(the number) plus 8

2x + 8

3) -6x is being subtracted from 2x + 8

2x + 8 - (-6x) =

2x + 8 + 6x =

8x + 8

B. 8x + 8

4 0
3 years ago
Riley has a piece of yarn that is 6 1/2 ft long. She wants to cut the yarn into sections that are each 1/4 ft long.
Semmy [17]

Answer:

26

Step-by-step explanation:

First take your too fractions.

6 1/2

1/4

Divided 6 1/2 by 1/4 to get your answer!

7 0
4 years ago
Read 2 more answers
If events A and B are mutually exclusive, P(A or B) = 0.5, and P(B) = 0.3; then what is P(A)?
11Alexandr11 [23.1K]

Answer:

P(A) = 0.2

Step-by-step explanation:

We have that:

P(A) = P(a) + P(A \cap B)

In which P(a) is the probability of a but not b and P(A \cap B) is the probability of both A and B.

By the same logic, we have that:

P(B) = P(b) + P(A \cap B)

Also

P(A or B) is

P(A \cup B) = P(a) + P(b) + P(A \cap B)

Events A and B are mutually exclusive

This means that P(A \cap B) = 0

P(B) = 0.3 = P(b)

P(A \cup B) = P(a) + P(b) + P(A \cap B)

0.5 = P(a) + 0.3

P(a) = 0.2

P(A) = P(a) + P(A \cap B) = 0.2 + 0 = 0.2

4 0
4 years ago
Solve 4x+5y=13 for y.
inessss [21]
Y = -4x/5 + 13/5 would be the answer to 4x+5y=13






3 0
4 years ago
What is. 9 divided by 204
gulaghasi [49]
Is that .9?  or was that period mark accidental?
8 0
4 years ago
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