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shusha [124]
3 years ago
11

Please help with this as soon as you can. Really need help and no idea how to do it.

Mathematics
1 answer:
Tomtit [17]3 years ago
5 0

Answer:

DE, BC, BA, CA

Step-by-step explanation:

basically just find the ones that do not cross and those are parellel.

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Here are the heights of 20 sunflowers, measured in centimeters: 15 25 25 25 25 5 10 10 30 70 65 105 110 55 30 35 50 45 45 a. Cal
Lady bird [3.3K]

Answer:

2,301,384

Step-by-step explanation:

3 0
3 years ago
A simple exponential has the form y =bx explain how to determine what the graph would look like
mezya [45]
You mean y = b^x.

By plugging different values of x, we find different y-values forming points in the form (x, y).

After 2 or 3 points, we can clearly see that the graph of y = b^x passes through the point (0, 1) and extends forever in the upward direction through quadrant 1.

4 0
4 years ago
Find the indicated probability.
natka813 [3]

Answer:

C) 0.179

Step-by-step explanation:

Since the trials are independent, this is a binomial distribution:

<u>Recall:</u>

  • Binomial Distribution --> P(k)={n\choose k}p^kq^{n-k}
  • P(k) denotes the probability of k successes in n independent trials
  • p^k denotes the probability of success on each of k trials
  • q^{n-k} denotes the probability of failure on the remaining n-k trials
  • {n\choose k}=\frac{n!}{(n-k)!k!} denotes all possible ways to choose k things out of n things

<u>Given:</u>

  • n=10
  • k=4
  • p^k=0.53^4
  • q^{n-k}=(1-0.53)^{10-4}=0.47^6
  • {n\choose k}={10\choose 4}=\frac{10!}{(10-4)!4!}=210

<u>Calculate:</u>

  • P(4)=(210)(0.53^4)(0.47^6)=0.1786117069\approx0.179

Therefore, the probability that the archer will get exactly 4 bull's-eyes with 10 arrows in any order is 0.179

7 0
2 years ago
Solve the system of linear equations by substitution.
Darya [45]
-X-8+8=-y+8
-x= -8y
X=8y
8 0
3 years ago
Read 2 more answers
Please help me with my math home work
Ket [755]

<u>page 1:</u>

-\frac{8}{3} m = 6

-8m = 6(3)

-8m = 18

m = \frac{18}{-8}

m = -\frac{9}{4}

m = -2\frac{1}{4}

<u>page 2</u>:

7)

0.8x = 19

x = 19/0.8

x = 23.75

8)

0.12x = 1

x = 1/0.12

x =\frac{25}{3}

x = 8\frac{1}{3}

5)

3.3(x+4)

3.3x + 13.2

b.

9-5\:\frac{1}{2}x-3\left(-2x+1\right)

9-\frac{11}{2}x-3\left(-2x+1\right)

6x-\frac{11}{2}x+9-3

x\frac{1}{2}+6

\frac{1}{2}x+6

c.

2.2(3.1+x)+3x

6.82+2.2x+3x

6.82+5.2x

<u>page 3:</u>

1.

3/4 x = 60

x = (60*4)/3

x = 80

2.

2/5 x =42

x = (42*5)/2

x =105

3.

3/5 y = 40

y = (40*5)/3

y = \frac{200}{3}

y = 66\frac{2}{3}

4.

-\frac{8}{3}m =6

m = \frac{6*3}{-8}

m = -\frac{9}{4}

m = -2\frac{1}{4}

5.

\frac{5}{6} x =4

x = \frac{4*6}{5}

x =4.8

6.

\frac{5}{3} x =12

x = \frac{12*3}{5}

x =7.2

4 0
3 years ago
Read 2 more answers
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