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3 years ago

PLEASEEEEE HELPPPPP SIXTH GRADE MATH HELPPP

Mathematics

1 answer:

Nonamiya [84]3 years ago

6 0

Any given point on a graph follows the format (x,y). In this case, the x-value is 4 and the y-value is 0. We know that the horizontal axis is the x-axis (left and right movement) and the vertical axis is the y-axis (up and down movement). We can use this knowledge to find the point (4,0).

Starting at (0,0), we move 4 spaces to the right (x-value) and 0 spaces up/down (y-value). This leaves us in a position much like that of Point B on the graph above. Therefore, the point closest to (4,0) is Point B.

I hope this helps!

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A study of immunizations among school‑age children in California found that some areas had rates of unvaccinated school‑age chil

Rom4ik [11]

Answer:

Probability that none of the 20 children in such a classroom would be unvaccinated is 0.055.

Step-by-step explanation:

We are given that a classroom of 20 children in one such area where 13.5% of children are unvaccinated.

If there are no siblings in the classroom, we are willing to consider the vaccination status of the 2020 unrelated children to be independent.

The above situation can be represented through binomial distribution;

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

where, n = number of trials (samples) taken = 20 children

r = number of success = none of the 20 children

p = probability of success which in our case is probability that

children are unvaccinated, i.e; p = 13.5%

Let X = Number of children that are unvaccinated

So, X ~ Binom(n = 20, p = 0.135)

Now, Probability that none of the 20 children in such a classroom would be unvaccinated is given by = P(X = 0)

P(X = 0) = $\binom{20}{0} \times 0.135^{0} \times (1-0.135)^{20-0}$

= $1\times 1 \times 0.865^{20}$

= 0.055

Hence, the probability that none of the 20 children in such a classroom would be unvaccinated is 0.055.

8 0

3 years ago

HELP PLEASE 12 POINTS

Artemon [7]

Answer:

0.179167 days, or rounded to 0.18

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

student found the slope of a line that passes through the points (1, 14)and (3, 4) to be 5. What mistake did she make?

vladimir2022 [97]

Y2-y1/x2-x1
(1,14) & (3,4)
y2= 4
y1=14
x2=3
x1=1

So....

(4-14)/(3-1) = -10/2 = -5

The answer should be negative instead of positive, she probably subtracted 4 from 14 instead.

5 0

3 years ago

Benjamin wants to buy a video game that costs $24, but he only wants to spend 40% of his savings. How much must Benjamin save in

Snowcat [4.5K]

Answer:

$14.4

Step-by-step explanation:

I don't quite understand this question, but this is what I think

4 0

3 years ago

a first number is 6 more than a second number. the first number multiplied by 2 is 8 more than the second number. what are the t

Andreas93 [3]

Answer:

-2 (negative 2)

Step-by-step explanation:

8÷2 =4

4-6 = -2

hope this helps

4 0

2 years ago