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hammer [34]
3 years ago
12

The vertices of a quadrilateral in the coordinate plane are known how can the perimeter of the figure be found

Mathematics
1 answer:
natta225 [31]3 years ago
6 0

Answer:

d

Step-by-step explanation:

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Cardiovascular disease is a major cause of death and illness worldwide, with high blood pressure and high LDL cholesterol both b
valkas [14]

Answer:

Null and alternative hypotheses:

H0: p1 = p2

H1: p1 ≠ p2

To find the sample proportions, we have the following:

p'1 = \frac{x_1}{n_1} = \frac{113}{3180} = 0.0355

p'2 = \frac{x_2}{n_2} = \frac{157}{3168} = 0.0495

p' = \frac{(x_1 + x_2}{n_1 + n_2} = \frac{113 + 157}{3180 + 3168} = 0.0425

Calculate Z statistics:

z = \frac{(p1 -p2)}{\sqrt{(p'(1-p')*(\frac{1}{n1}+ \frac{1}{n2})}}

= \frac{(0.0355 - 0.0495)}{\sqrt{(0.0425*(1-0.0425) * (\frac{1}{3180} + \frac{1}{3168})}} = -2.764

Z = -2.764

P-value = 0.00285

The pvalue is low.

Since the pvalue is low, reject null hypothesis, H0.

Conclusion:

There is strong evidence that patients experiencing the primary outcome is different for those receiving the treatment compared to those without

7 0
3 years ago
Jenny buys 222222 sports drinks for her soccer team. They are on sale for \$0.35$0.35dollar sign, 0, point, 35 off per drink. Je
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Answer:

A. What is the pre-sale price of a sports drink?

Step-by-step explanation:

Hope this helps!

7 0
3 years ago
I need help with my ixl ..
Ad libitum [116K]

Answer:

The measure of angle E is 45 degrees

Step-by-step explanation:

To get the measure if angle E, we use the appropriate trigonometric ratio

From the question, EF is the hypotenuse since it faces the right angle

EG is adjacent to angle E

so we are going to use the trigonometric ratio that connects adjacent to the hypotenuse

This trigonometric ratio is the cosine

It is the ratio of the adjacent to the hypotenuse

Thus,

we have it that;

Cos E = EG/EF

cos E = 6√26/12√13

E = arc Cos ( 6 √26/12 √13)

E = 45 degrees

6 0
3 years ago
4.75 qt = fl oz. pls help me with complete answers
anzhelika [568]

Answer:

4.75 Qt = 152 Fl. Oz.

Step-by-step explanation:

1 Quart = 32 Fluid Ounce

4.75 Qt = 32 × 4.75 Fl. Oz.

4.75 Qt = 152 Fl. Oz.

3 0
3 years ago
Estimate 1 5/5 plus 2 2/12
ELEN [110]

Answer:

I estimate bruh.

Step-by-step explanation:

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