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alexdok [17]
3 years ago
12

( 2 x 2 - 3 x + 8 ) - ( 3 x 2 + 7 x - 2 )

Mathematics
1 answer:
ANTONII [103]3 years ago
7 0

Answer:

the answer is -12x + 10

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A single die is rolled twice. Find the probability of rolling an even number the first time and a number greater than 3 the seco
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Events

• A: an even number is rolled in the first time

,

• B: a number greater than 3 is rolled the second time

The probability of rolling an even number is:

\begin{gathered} P(A)=\frac{\text{ number of favorable outcomes}}{\text{ total possible outcomes}} \\ P(A)=\frac{3}{6} \\ P(A)=\frac{1}{2} \end{gathered}

The probability of rolling a number greater than 3 is:

\begin{gathered} P(B)=\frac{\text{ number of favorable outcomes}}{\text{ total possible outcomes}} \\ P(B)=\frac{3}{6} \\ P(B)=\frac{1}{2} \end{gathered}

Events A and B are independent, then the probability of one happening after the other is:

\begin{gathered} \text{ P(A and B) = }P(A)\cdot P(B) \\ \text{ Substituting with the values previously found:} \\ \text{ P(A and B) = }\frac{1}{2}\cdot\frac{1}{2} \\ \text{ P(A and B) = }\frac{1}{4} \end{gathered}

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1 year ago
A person in a certain family eats 684.6 lb of fruit and vegetables in a year. What is the average consumption in one day ( use 1
sasho [114]
Every day that person consumes <span>1.87561643836 pounds of fruit and vegetables in a day.</span>
6 0
3 years ago
Roberto has run 16 of the 26.2 miles in a marathon. Rounded to the nearest whole number, what percent of the marathon has he com
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The equation set up would look like this.. 16•26.2=416.32 of what Robertos completion of the marathon
4 0
3 years ago
6)532 with a remainder
BartSMP [9]
Hello Rebelkid2004, 532 with a remainder is, gives remainder 0 and so are divisible by 1, we get factors of 532 numbers by finding numbers that can divide 532 without remainder or alternatively numbers that can multiply together to equal the target number being converted.
3 0
3 years ago
What is the measure of ∠4? Enter your answer in the box.
charle [14.2K]

Step-by-step explanation:

\angle 4, \:60\degree \:\&\:61\degree are straight line angles.

\therefore \angle \: 4 + 60 \degree + 60 \degree = 180\degree \\  \\  \therefore \:  \angle \: 4 = 180\degree - 121\degree \\  \\ \huge \red {\boxed {\therefore \:  \angle \: 4 = 59\degree}}

4 0
3 years ago
Read 2 more answers
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