2. A nutritionist wants to collect data on how much caffeine the average American drinks per day. She has the following ideas for how she could obtain a sample:
a. Ask the first 20 adults who arrive at a grocery store after 10:00 a.m. about the average amount of caffeine they consume each day.
b. Every 30 minutes, ask the first adult who comes into a coffee shop about the average amount of caffeine they consume each day.​

Answer:

6 years old

Step-by-step explanation:

Since her twin brother is the same age as her, you are looking for two equal factors whose product is 36. The square root of 36 is 6, so the answer is they are both 6 years old.

I guess this will help you

Step-by-step explanation:

30 , 60 , 90 , 120, 150

,LCM of 12 and 30 is 60

Answer:

List the first five multiples of 30

The first 5 multiples of 30 are: 0, 30, 60, 90, 120.

What is the lowest common multiple of 12 and 30

for LCM (12,30) we find:

Prime factorization of 12 = 2 × 2 × 3.

Prime factorization of 30 = 2 × 3 × 5.

Using all prime numbers found as often as each occurs most often we take 2 × 2 × 3 × 5 = 60.

Therefore LCM (12,30) = 60

Answer:

−4x+13

Step-by-step explanation:

collect like terms: (−3x−2x+x)+(16+5−8)

Answer:

-3x-2x-x+16+5-8=-4x13

Answer:

The second one

Step-by-step explanation:

If g(1) = 0 and g(n) = g(n-1) + n, then g(2) = 2

The given relationship is:

g(1) = 0

g(n) = g(n-1) + n

g(2) = ?

Since g(1) is already known

g(2)  =   g(1)  +  2

Note that g(1) = 0

Substitute g(1) = 0 into g(2)  =   g(1)  +  2

g(2) = 0  +  2

g(2)  =  2

Therefore, if g(1) = 0 and g(n) = g(n-1) + n, then g(2) = 2

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Answer:

Jumping up 10 steps

Step-by-step explanation:

Answer:

yes no yes. I was a little skeptical about 18 but nevermind

Answer:

Nah its odd negative

Step-by-step explanation:

Rises to the left and falls to the right.

Answer:

It would be M=-1/9

Step-by-step explanation:

You would use the slope formula:

m= y2−y1/ x2−x1

=3-4/7--2

=-1/9

Answer:

The correct answer is: It has only one real solution, x=-2. This is because the two functions intersect at only that point.

Let me know if this helps!

Answer:

as it is rectangular in shape. so the area of the rectangle =length *breadth =5*x=40

x=40/5=8metres

Answer:

4 because it is 3.6666666

Answer:

(-infinity, -1) U (-1, 1) U (1, infinity)

(-4, -infinity) U (infinity, infinity) U (-infinity, -4)

Step-by-step explanation:

Step-by-step explanation:

angle S + angle W + angle STW = 180

(7x + 6) + (7x + 1) + angle STW = 180

So angle STW = 180 - (7x + 6) - (7x + 1)

angle STW + angle STP = 180 (straight angle = 180)

180 - (7x + 6) - (7x + 1) + angle STP = 180

angle STP = 180 - 180 + (7x + 6) + (7x + 1)

= 7x + 6 + 7x + 1

= 14x + 7

15x = 14x + 7

x = 7

angle STP = 15x = 15(7) = 105

Answer:

17

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

ifunny is dankreloaded

The solution is, Option B Negative ,as time passes, speed decreases.

Positive Correlation= With Increase in x value, y value also increases or vice versa, we call it positive correlation.

Negative Correlation= With Increase in x value, if y value decreases or vice versa, we call it negative correlation.

here, we have,

Description of the Graph

1. The Relation between , Speed and time is depicted on the graph.

2. Minute = x coordinate

Miles per hour= y coordinate

The points shown on the graph , describing the relationship are, (5,15),(10,13.8),(15,11),(20,10),(25,9.8).

There are two types of Correlation

Positive Correlation= With Increase in x value, y value also increases or vice versa, we call it positive correlation.

Negative Correlation= With Increase in x value, if y value decreases or vice versa, we call it negative correlation.

As you can see from the points plotted on the graph ,with increase in x value , y value decreases.

So it is negative correlation.

As, time passes, Speed Decreases, So it is a Negative Correlation.

Option B  Negative ,as time passes, speed decreases.

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Answer:

y=2x+1

Step-by-step explanation:

(1,3). y=mx+b or 3=2 × 1+b, or solving for b: b=3-(2)(1). b=1

wait i got it!

Since 18 kilograms are 18000 grams, you have

18000/30=600

and

800/30=26.6

So, with 18 kilograms of salt the baker can make exactly 600 batches with no leftovers, while with 800 grams of salt the baker can make 26 batches, with some leftovers.

In fact, 26 batches require

26 x 30 =780

grams of salt, and the remaining

800-780=20

grams of salt are not enought to prepare the next batch

Step-by-step explanation:

Answer:

y - 2 = 7 (x - 1)

Step-by-step explanation:

make sure you always watch for double negatives

Answer:

40kg

20kg

10kg

Step-by-step explanation:

The computation of the food each one is getting as follows

Total weights of all dogs

= 20 kg + 10 kg + 5kg

= 35 kg

And, the food is 70 kg

So, each one is getting

for 20 kg

= 70 ÷ 35 × 20

= 40 kg

For 10 kg

= 70 ÷ 35 × 10

= 20 kg

And, for 5 kg

= 70 ÷ 35 × 5

= 10 kg

Answer:

27x + 45y

Step-by-step explanation:

9(3x + 5y)

27x + 45y

Hope this helps, thank you !!

Step-by-step explanation:

Head opposite angles

2x= 3x-42

x= 42°

the angles are 84°

Each of the pairs of opposite angles made by two intersecting lines is called a pair of vertical angles. The value of x is 42 and the measure of the two given angles is 84° each.

Each of the pairs of opposite angles made by two intersecting lines is called a pair of vertical angles.

The two of the given angles are vertically opposite angles, therefore, the measure of the two given angles will be the same.

(2x)° = (3x - 42)°

2x = 3x - 42

Subtract 2x from both sides of the equation and add 42 to both sides of the equation,

2x - 2x + 42 = 3x - 42 - 2x + 42

42 = 3x - 2x - 42 + 42

42 = x

Therefore, the value of x is 42. Now, the measure of each angle can be written as,

(2x)° = 2(42) = 84°

(3x - 42)° = 3(42) - 42 = 84°

Hence, the value of x is 42 and the measure of the two given angles is 84° each.

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Answer:

36.24

Step-by-step explanation:

- 3 * 2 = - 6

73 / 76 = 0.96

0.96 * (-6) = -5.76

42 - 5.76 = 36.24

Answer:

IS NATASHA SINGLE LOL!

Step-by-step explanation:

Answer:

33 because 1,3 and 5 are off and 2,4 and 6 are even and if you half 6- it's 33 for even and 33 for odd

Answer:

[tex] {25in}^{2} [/tex]

Step-by-step explanation:

see attached image

Answer:

0.283

Step-by-step explanation:

Answer:

100

Step-by-step explanation:28.3% times 100