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3 years ago

14

2 out of 10 people have an allergic reaction to a new medicine. What is the probability that exactly 4 out of 10 people given th

e medicine experience an allergic reaction?

1 answer:

Igoryamba3 years ago

8 0

I would say about 1/10. Hope this helps!

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Which is a correct way to test whether two variables representing numbers, numone and numtwo, are equal?

bija089 [108]

You use variables for the equation and after you find out the variables you set them equal to each other and see if they are equal

5 0

3 years ago

Given segment AB with points (-4, 8) and (6, 3) respectively. Find the coordinates of point P that partitions Segment AB in the

netineya [11]

Answer:

$P = (2,5)$

Step-by-step explanation:

Given

$A(-4,8)$

$B(6,3)$

$m:n = 3 : 2$

Required

Determine P

Since P divides the segment into 3:2, P is calculated using

$P = (\frac{nx_1 +m x_2}{m+n},\frac{ny_1 + my_2}{m+n})$

Where

$(x_1,y_1) = (-4,8)$

$(x_2,y_2) = (6,3)$

$m:n = 3 : 2$

Substitute these values in the above formula:

$P = (\frac{2 * -4 +3 * 6}{3 + 2},\frac{2 * 8 + 3 * 3}{3 + 2})$

$P = (\frac{-8 +18}{3 + 2},\frac{16 + 9}{3 + 2})$

$P = (\frac{10}{5},\frac{25}{5})$

$P = (2,5)$

8 0

3 years ago

an item is regularly priced at $90. John bought it on sale for 20% off regular price. How much did John pay

Svetlanka [38]

Answer:

John paid $72

Step-by-step explanation:

To find the discount, we take the regular price and multiply it by the discount percentage

Discount = 90 * .2

= $18

The new price is the regular price minus the discount

New price = 90 -18

= $72

5 0

3 years ago

Read 2 more answers

PLEASE ANSWER QUICKLY I WILL GIVE BRAINLYEST

Agata [3.3K]

Answer:

a) 17

b) 45

Step-by-step explanation:

a) $9+3 x 2^{2} - 1 x 4$

use pemdas first,

$2^{2}\\$ = 4

3x4 = 12

1x4 = 4

now the equation is $9+12 - 4$

9+12 = 21

that makes the equation 21-4

21-4 = 17

a) 17

now for b

b)

the equation would then be $9+3 x (2^{2} - 1) x 4$

so youd use pemdas as always

start in the parenthases

$2^{2}$ = 4

4-1 = 3

the equation is now $9+3 x 3 x 4$

now, multiply 3x3x4

3x3 = 9

9x4 = 36

now the equation is 9+36

9+36 is 45

b) 45

hope this helped!

4 0

2 years ago

Find the maximum or minimum value of the parabola.<br> y = –2x^2 – 16x + 20

Nimfa-mama [501]

Answer:

y=-20x+20

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers