a survey was taken of twenty dentists about Sparkly toothpaste. sixteen of the dentists recommended sparkly toothpaste to their patients. the same survey was given to dentists in a different state. the time they ask thirty dentists. twenty-four of those dentists recommended sparkly toothpaste to their patients continue, how many dentists out of fifty would recommend sparkly toothpaste?​

Answer:

I think it's 20

Step-by-step explanation:

10x4÷2 because vase times height,the divide by 1/2 which it 2 so answer is 20

Answer:

???

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

Because it's 340 meters per second

2  is 1 of 6 numbers on each side 1/6

Since its 3 rolls youd multiply it by 3

1/6x3 would be 3/18

Answer: The Probability of rolling a 2 on 3 throws would be 3/18

Answer:

x = -5 , x = 1

Step-by-step explanation:

f(x) = ⅔(x + 5)(x - 1)

0 = ⅔(x + 5)(x - 1) → x + 5 = 0 OR x - 1 = 0

x = -5 , 1

Answer:

226.80

Step-by-step explanation:

Answer:

$226.8

Step-by-step explanation:

you take 210 and times it by 8%

210 x 8%(.08)= 16.8

then add that 16.8 back to the 210

210+16.8= 226.8

Answer:

3 seconds

Step-by-step explanation:

Initial height = 144 feet

t = Time taken

The equation of the height from the ground is

[tex]h(t)=-16t^2+\text{Initial height}[/tex]

The time taken to reach the ground is needed. Here the ground is taken as reference so [tex]h(t)=0[/tex]

[tex]0=-16t^2+144\\\Rightarrow -144=-16t^2\\\Rightarrow t=\sqrt{\dfrac{144}{16}}\\\Rightarrow t=3\ \text{s}[/tex]

So, time taken by the quarter to reach the ground is 3 seconds.

Answer:

192

Step-by-step explanation:

V= a2 h/3= 8 2 . 9/3 = 192

search square pyramid

and put the height and base edges in (8 feet and 9 feet and you will get a better answer  

Answer:

The answer should be C

Step-by-step explanation:

I hope that helps you!

Answer:

28

Step-by-step explanation:

It is 8 combination 4- using a TI 84, type in 8, then hit math- over to probability then nCr- then 6

Answer:

4   bc it is simple math

Step-by-step explanation:

pls give brainliest

Answer:

I can't tell you the answer but pi is 3.1415

Answer:

10 exponent 2 + (6-3) + (4x9) = 139

Step-by-step explanation:

Answer: x=16

Step-by-step explanation: multiply both sides by 4 , 4*4 that should get you to x=16

hope this helps

Answer:

3.75

Step-by-step explanation:

¼x = 4

x = 4 - 1/4

x = 4 - 0.25

x = 3.75

i think this is the answer

Answer:

This does not matter

Step-by-step explanation:

This does not matter and does not affect her finance charge. What does affect this charge is whether or not she pays what is owed on time. Meaning that she must pay everything that she owes between the end of the billing cycle and the day that the payment is due. In this scenario, it seems that she can only afford to pay half of what she actually owes, therefore regardless of when she pays this amount her finance charge will increase until she pays the entire debt.

it is 15 if you add and then divid

The minimum value of both sine and cosine is -1. However the angles that produce the minimum values are different, [tex]-\pi/2, \pi[/tex] for sine and cosine respectively.

The question is, can we find an angle for which the sum of sine and cosine of such angle is less than the sum of values at any other angle.

Here is a procedure, first take a derivative

[tex]\frac{d}{dx}(\sin x+\cos x)=\cos x -\sin x[/tex]

Then compute critical points of a derivative

[tex]\cos x-\sin x=0\implies x_1=\frac{\pi}{4},x_2=\frac{5\pi}{4}[/tex].

Then evaluate [tex]\sin x +\cos x[/tex] at [tex]x_1,x_2[/tex].

You will obtain global maxima and global minima [tex]\sqrt{2}, -\sqrt{2}[/tex] respectively.

The answer is [tex]-\sqrt{2}[/tex].

Hope this helps.

Answer:

SA = 270 ft²

Step-by-step explanation:

SA = 2(12×5)/2 + (7×5) + (13×7) + (12×7)

SA = (12×5) + (7×5) + (13×7) + (12×7)

SA = 60 + 35 + 91 + 84

SA = 270 ft²

Answer:

22.5

Step-by-step explanation:

10 x 4.5 = 45 divided by 2 is 22.5

Answer:

22.5inch²

Step-by-step explanation:

area of a triangle = 1/2 base × height

base = 10 inches, height = 4.5inches

area = 1/2× 10 × 4.5

area = 5×4.5

area = 22.5inch²

Answer:

you can do a diagram representing this product by drawing a box with six squares and then putting three lines for each box and divide 3÷3 and you will get 5

Answer:

4/6

Step-by-step explanation:

the total time the dice roll over four.. which is also 4/6

Answer:

x = 8

Step-by-step explanation:

Recall: Ratio of the corresponding side lengths of two similar figures are equal.

Therefore,

EF/AB = GH/CD

6/4 = 12/x

Cross multiply

6*x = 12*4

6x = 48

Divide both sides by 6

6x/6 = 48/6

x = 8

Answer:

9

Step-by-step explanation:

18 ÷ {[(14) - (13)] + 1}

18 ÷ {1+1} =

18 ÷ 2 = 9

Hope that helps!    

Answer:

66 ft³

Step-by-step explanation:

The figure can be divided into a cuboid and a triangular prism.

Volume of the cuboid = l × w × h

Where l = 6ft, w = 3 ft and h = 2 ft

Volume = 6 × 3 × 2 = 36 ft³

Volume of  the triangular prism = Cross sectional area × Width

Where Cross sectional area = 0.5 × 10 ft × 2 ft and Width  = 3 ft

Volume = 10 × 3 = 30 ft³

Total volume = Volume of the cuboid + Volume of the triangular prism

∴ Volume of the figure = 66 ft³

Answer:

See proof below

Step-by-step explanation:

Given the expression 2/4-x = 10/4+x

Cross multiply

10(4-x) = 2(4+x)

10(4) - 10x = 2(4)+ 2x

40 - 10x = 8 + 2x

-10x - 2x = 8 - 40

-12x = -32

Multiply both sides by -1

-1(-12x) = -1(-32)

12x = 32

This shows the required expression