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Lerok [7]
3 years ago
9

Y - 4=-2(x+3) Complete the missing value in the solution to the equation.

Mathematics
1 answer:
Leno4ka [110]3 years ago
8 0

Answer: (-3,4)

Step-by-step explanation:

Khan academy

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Bananas are .95/1 pound, what is the constant of proportionality?
Sidana [21]
Since y is .95 and x is 1 it is a unit rate which is the constant of proportionality.

Correct me if I am wrong.
7 0
3 years ago
The sum of the interior angles of a polygon is 1620 how many sides does the polygon have
Olenka [21]

Answer:

11

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A box contains different colored paper clips. The probability of drawing two red paper clips from the box without replacement is
ivann1987 [24]

Answer: 5/14 which is choice B

================================================

How I got this answer:

Define the following events

A = event of picking a red paper clip on the first selection

B = event of picking a red paper clip on the second drawing

Replacement is not made.

Now onto the probabilities for each

P(A) = 2/5 = 0.4 is given to us as this is simply the probability of picking red on the first try

P(A and B) = probability of both events A and B happeing simultaneously = 1/7

P(B|A) = probability event B occurs, given event A has occured

P(B|A) = probability of selecting red on second selection, given first selection is red (no replacement)

P(B|A) = P(A and B)/P(A)

P(B|A) = (1/7) / (2/5)

P(B|A) = (1/7) * (5/2)

P(B|A) = (1*5)/(7*2)

P(B|A) = 5/14

So if event A happens, then the chances of event B happening is 5/14

------------------

A more concrete example:

If we had 15 paperclips, and 6 of them were red, then

P(A) = (# of red)/(# total) = 6/15 = 2/5

P(B|A) = (# of red left)/(# total left) = (6-1)/(15-1) = 5/14

P(A and B) = P(A)*P(B|A) = (2/5)*(5/14) = 10/70 = 1/7

7 0
3 years ago
Read 2 more answers
the tens digit of a two digit number is twice the units digit. The sum of the digits is twelve. Find the original number.
KatRina [158]
X - tens digit
y - units digit

x=2y\\
x+y=12\\\\
2y+y=12\\
3y=12\\
y=4\\\\
x=2\cdot4\\
x=8\\\\
10\cdot8+4=\boxed{84}

4 0
3 years ago
Mr. Strand washed 2 - 5 of his laundry. His son washed 1 - 4 of it. Who washed most of the laundry? How much of the laundry stil
fredd [130]

Answer:

His son did.

Step-by-step explanation:

His son: 1/4 = 25%

Mr. Strand: 2/5 = 20%

They also need 55% more to wash or in other words 11/20.

7 0
3 years ago
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