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2 years ago

15 POINTS HELP PLZ Which expression is equal to f(x) - g(x)?

Mathematics

1 answer:

Varvara68 [4.7K]2 years ago

6 0

Answer:

c it's probably c I think I'm not really too good at this but I'm probably sure it's c.

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A total of 330 children and adults attended a school play. There were 21 times as many children in attendance as there were adul

Pani-rosa [81]

Answer:

Step-by-step explanation:

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3 years ago

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Please help me, very important 20 points!

kipiarov [429]

x=96

all interior angles equal 180

Subtract exterior andgles by 180 to get interior angles because they are supplementary

180-134=46

180-130=50

Get the third angle inside the triangle

180-50-46=84

subtract by 180 to get x because they are supplementary

180-84=96

Therefore x =96

4 0

2 years ago

Anyone know the answer ?

vodomira [7]

Hello
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2 years ago

(2x+5)+3(x-6)=90 what is x

snow_lady [41]

I don’t know if I’m 100% correct but I got

Exact form x= 103/5
Decimal form x=20.6

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2 years ago

A room contains three urns: u1, u2, u3. u1 contains 3 red and 2 yellow marbles. u2 contains 3 red and 7 yellow marbles. u3 conta

Archy [21]

Answer:

$\dfrac{11}{30}$

Step-by-step explanation:

Urn U1: 3 red and 2 yellow marbles, in total 5 marbles.

The probability to select red marble is $\dfrac{3}{5}=0.6.$

Urn U2: 3 red and 7 yellow marbles, in total 10 marbles.

The probability to select red marble is $\dfrac{3}{10}=0.3.$

Urn U1: 1 red and 4 yellow marbles, in total 5 marbles.

The probability to select red marble is $\dfrac{1}{5}=0.2.$

The probability to choose each urn is the same and is equal to $\frac{1}{3}.$

Thus, the probability that the marble is red is

$\dfrac{1}{3}\cdot 0.6+\dfrac{1}{3}\cdot 0.3+\dfrac{1}{3}\cdot 0.2=\dfrac{1.1}{3}=\dfrac{11}{30}.$

4 0

2 years ago