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zysi [14]
3 years ago
10

Identify if equations are functions or not functions (see photo) sort them out please

Mathematics
1 answer:
Sav [38]3 years ago
6 0

Answer:

B AND B Because they are the only awnsers that make grammatical sense.

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One bag of marbles contains 2 black , 3 red , and 5 white marbles . A second bag contains 3 white and 2 black marbles . What is
BaLLatris [955]

Answer:

<u>NOT BOTH BLACK = 1-2/25 = 23/25</u>

Step-by-step explanation:

Bag 1 : 8 non-black out of 10

P(1) = 8/10

Bag 2: 3 non-black out of 10

P(2)=3/5

Probability of both independent events happening can be calculated using the multiplication rule

P(1) and P(2) = P(1)*P(2) = 8/10 * 3/5 = 24/50 = <u>12/25 (both are not black, or none is black)</u>

Interpretating not both black meaning at most one black, then

we calculate the probability of both are black,

P(1) = 2/10

P(2) = 2/5

Probability that both balls are black can be calculated using the multiplication rule

P(1) and P(2) = 2/10 * 2/5 = 2/25

Probability that <u>NOT BOTH BLACK = 1-2/25 = 23/25, i.e. at most one black</u>

5 0
3 years ago
Check if the two triangles are congruent​
NARA [144]
When two triangles are congruent they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there.

The answer is yes they are congruent because if you flip the second one they are the same.

I hope this helped :)
7 0
3 years ago
Write the equation with...<br><br> point: (9,0) <br> point: (-7,-4)
Vlad [161]
Easy
the equation of a line that passes through the point (x1,y1) and has a slope of m is
y-y1=m(x-x1)

find slope
slope between (x1,y1) and (x2,y2) is
(y2-y1)/(x2-x1)
given
(9,0) and (-7,-4)
slope=(-4-0)/(-7-9)=-4/-16=1/4
slope os 1/4
a point is (9,0)
x1=9
y1=0
y-0=1/4(x-9)
we can put it into slope intercept and standard form
slope intercept
y=(1/4)x-(9/4)
standard
minus 1/4x
-1/4x+y=-9/4
times -4
x-4y=9
8 0
3 years ago
Generally speaking, using a ______ year's history of cash receipts and disbursements will be a satisfactory basis for projecting
vekshin1
The answer is FULL
By collecting full year's history of cash, we could determine the amount of expense that company might need to continue the operation in the future.
This projection is made on the assumption that the company won't make any major change on its way of operation in next year's period.
8 0
3 years ago
Read 2 more answers
You deposit $2000 in a savings account that earns 7% interest
bonufazy [111]

Answer:

Around $18,000.

Step-by-step explanation:

5 0
3 years ago
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