PLZ HELP ME NO LINKS PLZ

Mathematics

1 answer:

Alla [95]2 years ago

7 0

Answer:

the domain is -11,10 but i didnt know if you wanted that or not

Step-by-step explanation:

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-3b + 7 = -15 + 2b <br>how to solve this question?<br>

dsp73

Answer:

Step-by-step explanation:

-3b - 2b + 7 = -15

-5b = -22

b = 22/5

5 0

3 years ago

Is 4 to 7 the same as 7 to 4? Explain why or why not.

Julli [10]

Yes because 4 to 7 is the same as 7 x 4 which equals 28. 7 to 4 is the same as 7 x 4 which also equals 28.

3 0

3 years ago

Read 2 more answers

20. Three cards are selected form a standard deck of cards and not

frozen [14]

We have a probability of $\frac{13}{52}=\frac{1}{4}$ for the first card to be a diamond. Having drawn this first card <em>without replacement,</em> there are now 12 diamonds remaining in a deck of 51 cards, so the probability that the second card is a diamond, given that the first card was a diamond, is $\frac{12}{51}=\frac{4}{17}.$ Similarly, for the third card, there are 11 diamonds in a deck of 50, so the probability of drawing a third diamond is $\frac{11}{50}.$ Now, since these events are dependent, we multiply these three probabilities to get our answer of $\frac{11}{850}.$