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USPshnik [31]
3 years ago
13

Write an algebraic expression for each verbal expression. 1. the sum of k and 8

Mathematics
1 answer:
Sever21 [200]3 years ago
5 0

Answer:

k + 8 = y

17 < 9(x)

4(x²-8)

Step-by-step explanation:

i hope it helps

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zhenek [66]

Answer:

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The radius of a circle is 1 yard. What is the circle's circumference?<br> r=1 yd
matrenka [14]

Answer:

6.3 yards

Step-by-step explanation:

mathematically, to get the circumference of the circle, we will have to use the formula for the circumference of a circle

we have this as;

C = 2 * pi * r

r is 1 yard

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3 years ago
A jar contains two blue and five green marbles. A marble is drawn at random and then replaced. A second marble drawn at random.
DerKrebs [107]

corrected question:A jar contains two blue and five green marbles. A marble is drawn at random and then replaced. A second marble drawn at random. For each of the following, find the probability that: a) both marbles are blue b) both marbles are the same color  c)the marbles are different in color

Answer:

Step-by-step explanation:

<u><em>The probability was done with replacement.</em></u>

Probaility of an event happening=\frac{number of required outcomes}{number of possible outcomes}

number of blue marbles= 2

number of green marbles=5

total number of marbles=7

(a) probability that both marbles are blue = pr(first is blue)*pr(second is blue)

                                  =\frac{2}{7}*\frac{2}{7}

                                   =\frac{4}{49}

(b)probability that both marbles are the same color =pr(first is blue)*pr(second is blue) + Pr(first is green)*Pr(second is green)

   =\frac{4}{49} + \frac{5}{7}*\frac{5}{7}

   =\frac{4}{49} + \frac{25}{49}

 =\frac{29}{49}

(c)Probability that the marbles are different in colors=pr(first is blue)*pr(second is green) + Pr(first is green)*Pr(second is blue)

  =\frac{2}{7}*\frac{5}{7}+ \frac{5}{7}*\frac{2}{7}

           =\frac{10}{49}+\frac{10}{49}

      =\frac{20}{49}

6 0
3 years ago
20 points!HELP ASAP!!!! Which of the following are NOT polynomials? Check ALL that apply.
Rudiy27

Answer:

14x-x^1/4

Step-by-step explanation:

8 0
3 years ago
Can someone pls help I need help ASAP
almond37 [142]

all correct choices are as follows: a, b, c

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