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Troyanec [42]
1 year ago
10

Please help I’ll mark you as brainliest if correct!

Mathematics
2 answers:
schepotkina [342]1 year ago
6 0
Increases by +2
Its arithmetic
Sixth number would be 17+2=19
Seventh is 19+2=21
Eighth is 21+2=23

Natalija [7]1 year ago
6 0

Answer: 19, 21, 23

Step-by-step explanation:

is it C that you need to solve?


For C, we can see that each number is going up by 2 to get to the next number, so we can assume that the other 3 numbers follow the same pattern.

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PLEEEAAASEEEEE HHEEELPPPP MMEEEEEE
Citrus2011 [14]

Place Brunhilda at (0,0) which is the location of the intersection of the x and y axis. I'm going to label this point A.

Move 3 units to the right to arrive at point B = (3,0). Then move 2 units up to arrive at point C = (3,2). The next step is to walk 5 units to the left and you get to point D = (-2,2). Finally, we move 2 units south to get to the point E = (-2,0)

When we talk about displacement, we only care about starting and ending points. The stuff in between doesn't matter. We start at (0,0) and end at (-2,0). So the displacement is 2 units to the right or "2 meters west"

Answer: Choice C) 2 m west

Check out the attached image to see a visual of what is going on.

Edit: I mistakenly thought she started at point A. instead she starts at point B. So the answer is actually 5 meters west.

4 0
3 years ago
Read 2 more answers
A regular hexagon has sides measuring 6 centimeters. The hexagon is enlarged
Andrej [43]
15 because 6*3/2 is 9 9+6=15
3 0
3 years ago
Help plz???? I need help with math
tekilochka [14]

Surface area is the area of the faces added together.

First lets find the area of one of the triangles.

Area of triangle is 1/2*base*hight

Area=1/2*2*3= 3

Area of ONE tringle is 3, and area of the FOUR tringles is 4*3 whihc is 12

Now lets find area of square

area of square is side*side

So, area is 2*2 which is 4

Now lets add area of triangles+area of square

12+4 which 16

Surface area is 16

6 0
2 years ago
Weight gain during pregnancy. In 2004, the state of North Carolina released to the public a large data set containing informatio
pychu [463]

Answer:

1. B. H0: μ1−μ2=0, HA: μ1−μ2≠0

2. z=1.2114

3. P-value=0.2257

4. Do not reject H0

Step-by-step explanation:

We have to perfomr an hypothesis test to see if there is strong evidence that there is a significant difference between the two population means.

The null and alternative hypothesis are:

H_0: \mu_1-\mu_2=0\\\\H_a: \mu_1-\mu_2\neq0

Being μ1 the mean average gain for younger mothers and μ2 the mean average gain for mature mothers.

(NOTE: we are comparing means, not proportions, as it is the random variable is the weight gain).

As we are claiming "strong evidence", the level of significance will be 0.01.

For younger mothers, the sample size is n1=840, the sample mean is 30.7 and  the sample standard deviation is s1=14.91.

For mature mothers, the sample size is n2=132, the sample mean is 29.15 and the sample standard deviation is s2=13.46.

The difference between means is

M_d=\mu_1-\mu_2=30.7-29.15=1.55

The standard error of the difference between means is

s_M=\sqrt{\dfrac{s_1^2}{n_1}+\dfrac{s_2^2}{n_2}}=\sqrt{\dfrac{14.91^2}{840}+\dfrac{13.46^2}{132}}=\sqrt{ 0.2647+1.3725}=\sqrt{1.6372}\\\\\\s_M=1.2795

Then, the statistic can be calculated as:

z=\dfrac{M_d-(\mu_1-\mu_2)}{s_M}=\dfrac{1.55-0}{1.2795}=1.2114

The P-value for this z-statistic in a two tailed test is:

P-value=2P(z>1.2114)=0.2257

As the P-value is greater than the significance level, the null hypothesis failed to be rejected.

There is no enough evidence to claim that the real average weight gain differs from mature and youger mothers.

5 0
3 years ago
Add. Write the sum in simplest form. <br><br><br><br> 1 1/12 + 3 2/12 =
Verizon [17]

Answer:

4 1/4

Step-by-step explanation:

BRAINLIEST?!

5 0
2 years ago
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