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3 years ago

Please soon as you see this help I need to bring this in by tomarrow

Mathematics

2 answers:

balu736 [363]3 years ago

8 0

Question 1 the fourth figure uses two extra toothpicks and the second question the figure uses three extra tooth picks. There are more toothpicks needed for the second figure of the second question than the second question

Rzqust [24]3 years ago

3 0

1. There is a pattern. In figure 2, there were two toothpicks added.

2.Same thing with the pattern. you add three toothpicks in each figure.

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PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS!<br> Are the images convex or concave polygons?

svp [43]

Answer:

concave polygones

Step-by-step explanation:

5 0

2 years ago

In 2019, approximately 97.4% of all the runners who started the Boston Marathon (in Boston, Massachusetts, USA) were able to com

PtichkaEL [24]

Answer:

The probability that exactly 97 of them finished the marathon is 0.221.

Step-by-step explanation:

We are given that in 2019, approximately 97.4% of all the runners who started the Boston Marathon were able to complete the 42.2 km race.

100 runners are chosen at random.

The above situation can be represented through the binomial distribution;

$P(X = x) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r};x = 0,1,2,3,......$

where, n = number of trials(or samples) taken = 100 runners

r = number of success = exactly 97

p = probability of success which in our question is the probability

that runners finished the marathon, i.e; p = 0.974

So, X ~ Binom(n = 100, p = 0.974)

Now, the probability that exactly 97 of them finished the marathon is given by = P(X = 97)

P(X = 97) = $\binom{100}{97} \times 0.974^{97} \times (1-0.974)^{100-97}$

= $161700 \times 0.974^{97} \times 0.026^{3}$

= 0.221

Hence, the required probability is 0.221.

6 0

3 years ago

i need to find the area of a rectangle using the formula A=b*h the height is 810 cm the base is 10 meters...i know i need to con

leva [86]

Answer:

81000 $cm^{2}$ or 8.1 $m^{2}$

Step-by-step explanation:

1m = 100cm

10m = 1000cm

a= b*h

a= 1000cm * 810cm

= 810000 $cm^{2}$

1 $m^{2}$ = 10000 $cm^{2}$

810000 $cm^{2}$ = 8.1 $m^{2}$

7 0

3 years ago

Karel the Dog is instructed to move forward three spaces. Then, if Karel is standing on a ball, Karel will turn right and move f

Klio2033 [76]

Complete Question

The diagram for the question is shown on the first uploaded image

Answer:

The final position of Karel is shown on the second uploaded image

Step-by-step explanation:

On the diagram the dot represents steps to be taken by Karel

Now after Karel the Dog has moved forward three spaces, Karel will be standing on a ball, so Karel will turn right move forward two spaces

So the final position of Karel is shown on the second uploaded image

5 0

3 years ago

Is the number 8 odd or even?

Veseljchak [2.6K]

Hello there!

The number 8 is an even number, since it can be divided evenly by the number of 2.

Hope this helps and have a great day! :)

6 0

3 years ago