3 years ago

I need help with a puzzle

Mathematics

1 answer:

Harrizon [31]3 years ago

6 0

ummm there's nothing attached

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What is the following 2/ √13 + √11

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Its C

Step-by-step explanation:

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Solve the system by graphing

Marta_Voda [28]

$\left\{\begin{array}{ccc}-2x=2y-4\\2x-y=-5\end{array}\right\\\\2y-4=-2x\ \ \ \ |+4\\2y=-2x+4\ \ \ \ |:2\\y=-x+2\\for\ x=0\to y=-0+2=2\to(0,\ 2)\\for\ x=2\to y=-2+2=0\to(2,\ 0)\\\\2x-y=-5\ \ \ \ |-2x\\-y=-2x-5\ \ \ \ |\cdot(-1)\\y=2x+5\\for\ x=0\to y=2(0)+5=5\to(0,\ 5)\\for\ x=-2\to y=2(-2)+5=1\to(-2,\ 1)\\\\Answer:\ (-1,\ 3)\to\ x=-1,\ y=3$

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question; The chart below shows the number of tickets to the annual teachers vs. students basketball game. How many tickets did

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3 years ago

of the 50 U.S states, 4 have names that start with the letter W. What percentage of U.S. states have names that start with the l

serious [3.7K]

Answer:

8% of of the Us states have the names that start with W.

Step-by-step explanation:

We are told that, of the 50 states, 4 have names that start with letter W, and to figure out what percentage of U.S. states have names that start with the letter W, we need to know what what 4 is what percent of 50.

We figure this out the following way:

Percent = $\frac{4}{50} *100=0.08*100 =8$

Percent = 8%

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Of the students attending a school party, 60% of the students are girls, and 40% of the students like to dance. After these stud

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3 years ago

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