A busy traffic intersection in a city was experiencing an average of 20 accidents per week. The council decided to try to reduce the number of accidents by placing a stop sign at the intersection. In this situation, what is:

a. the null hypothesis
b. the alternative hypothesis

Answer: A or B

Step-by-step explanation:

Answer:

1490 is the correct answer

Step-by-step explanation:

2070- 580= 1490

Answer:

4 minutes per question

Step-by-step explanation:

3 hours = 180 mins

180/45 = 4

4 minutes per question

Answer:

an average of 4 minutes on each

Step-by-step explanation:

Answer:

21

Step-by-step explanation:

(7x2)+(5x2)-3=21

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Answer:

32 students

Step-by-step explanation:

7 times 5= 35

35-3=32 students

Answer:

Tia cut a 4-meter 8-centimeter wire into 10 equal pieces. for Jay 10 quarts would be the answer. Step-by-step explanation: He needs x quarts for the inside painting and x + 19 quarts for the outside. These two measures add up to 2x + 19, which equals 107 (quarts) total. The last one is tring A is 35 cm long, string B is 5 times as long as string A, then string B is 35·5=175 cm long. In total both strings have length 35+175=210 cm. The total length of string needed for 17 identical decirative bottes is  cm that is 35.7 m.

Answer:

x=-16

Step-by-step explanation:

hope this helps!

Answer: 272%

Step-by-step explanation: To write 136/50 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % .

136/50 * 100 = 2.72 * 100 = 272%

And finally we have:

136/50 as a percent equals 272%

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▹ Answer

1/18 of a gallon of juice in each cup.

▹ Step-by-Step Explanation

Since we have 4/9 of a gallon of juice for 8 cups, we will divide to find the amount of juice in each cup.

[tex]\frac{4}{9} / 8[/tex]

Since this operation is division, we have to change 8 to it's reciprocal which is 1/8:

[tex]\frac{4}{9}/ \frac{1}{8} = \frac{4}{72} = \frac{1}{18}[/tex]

Our final answer will be 1/18 of a gallon of juice in each cup.

Hope this helps!

CloutAnswers ❁

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Answer:

Coupon

Step-by-step explanation:

C O U P O N

Answer:

coupon

Step-by-step explanation:

Answer:

y - 3 = -1/2(x + 2)

General Formulas and Concepts:

Pre-Algebra

Algebra I

Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Point-Slope Form: y - y₁ = m(x - x₁)  

Step-by-step explanation:

Step 1: Define

Point (-2, 3)

Point (6, -1)

Step 2: Find slope m

Step 3: Write linear equation

Point-Slope Form:   y - 3 = -1/2(x + 2)

Answer:

y = -(1/2)x+2

Step-by-step explanation:

Answer:

The amount of $1000 principal is needed to have $3000 after 5 years.

Step-by-step explanation:

As the interest formula is

[tex]I=Prt[/tex]

Where

Substituting the following values in the interest formula and solve for P

I=$3000

r = 6% = 6/100 = [tex]0.06[/tex]

t = 5

so the equation becomes

[tex]I=Prt[/tex]

[tex]3000=P\left(0.06\right)\left(5\right)[/tex]

switch both sides

[tex]P\left(0.06\right)\left(5\right)=3000[/tex]

[tex]P\left(0.3\right)=3000[/tex]

[tex]P=10000[/tex] $

Therefore, the amount of $1000 principal is needed to have $3000 after 5 years.

Answer:

I am still trying to pick between third-person limited and third-person omniscient...Let me know which one is right :)

Step-by-step explanation:

Answer:

The answer is third-person omniscient I did it on edge

Step-by-step explanation:

so itz 100% correct trust me

Answer:

im not 100% sure but i think 1.5

Step-by-step explanation:

sry if not

Answer:

-3

___

 2

Step-by-step explanation:

9-(4-1)^2

______

8-2^2

9-(16-1)

______

8-4

9-15

_____

4

-6

___

4

=-3

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2

Answer:

y=x+ -5

i think

The slope would be 1, which is basically just x but yeah, the other blank would be -5 since it's the y-intercept (where the line touches the y-xis) I hope this helps!!!

Answer:

Movie 3 starts at 4:15 pm

Step-by-step explanation:

11:00 am + 2 hours 30 minutes + 2 hours 30 minutes + 15 minutes

11: 00 am + 5 hours + 15 minutes = 4:00 pm + 15 minutes

Movie 3 starts at 4:15 pm

Answer:

you dont

Step-by-step explanation:

Answer:

sing to her and say- "but age aint nothing but a number" and you'll start dating real quick

Answer:

the answer is y=2/3x-5

Answer:

asxas

Step-by-step explanation:

Answer:

[tex]m=4[/tex]

General Formulas and Concepts:

Pre-Algebra

Algebra I

Step-by-step explanation:

Step 1: Define

Pick any 2 points from the chart.

Point (-5, -7)

Point (-4, -4)

Step 2: Find slope m

Average Speed = Total Distance / Total Time

Total Distance = 400m + 600m = 1,000m

Total Time = 35s

Average Speed = 1,000/35 = 28.57 m/s (approx.)

Average Speed in two decimal places is 28.57 m/s (approx.)

Answer:

0.07

Step-by-step explanation:

Answer:

-16 3/28

Step-by-step explanation:

sowwy if wrong owo

1. multiply

-2 3/4 * 5 6/7 = -11/4 * 41/7 = -451/28

2. simplify

-451/28 = -16 3/28

Answer:

9.200 × [tex]10^{-3}[/tex]  

I hope this helps!

Answer:

The answer is A.

Step-by-step explanation:

The equation y=mx+b is shown where m is slope and m=-2 and b is the y-intercept, which b=1 (0,1) is the y intercept.

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete. However, the available details is enough to work out a solution.

Considering the first even number: 2

In this case, n = 1

The sum of the first even term is 2.

Represent the sum as a product:

[tex]2 = 1 * 2[/tex]

Considering the first two even numbers: 2 and 4

In this case, n = 2

The sum of the first two even terms is 6

Represent the sum as a product:

[tex]6 = 2 * 3[/tex]

Considering the first three even numbers: 2, 4 and 6

In this case, n = 3

The sum of the first two even terms is 12

Represent the sum as a product:

[tex]12 = 3 * 4[/tex]

Notice the pattern from n = 1 to 3

[tex]2 = 1 * 2[/tex] --- n = 1

[tex]6 = 2 * 3[/tex] --- n = 2

[tex]12 = 3 * 4[/tex] --- n = 3

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It follows that, the sum when represented as a product is: [tex]n * (n + 1)[/tex]

So, the sum of the first 52 even terms would be:

[tex]52 * (52 + 1)[/tex]

Where n = 52

[tex]52 * (52 + 1) = 52 * 53[/tex]

[tex]52 * (52 + 1) = 2756[/tex]

Hence, the sum of the first 52 even terms is 52 * 53 or 2756

Answer:  Choice C)  David should buy 5 packages of buns and 6 packages of hot dogs.

========================================================

Explanation:

Focus on the hot dog buns for now

1 package = 12 hot dog buns

2 packages = 24 hot dog buns  (multiply both sides by 2)

3 packages = 36 hot dog buns (multiply original equation by 3)

We can see that the multiples of 12 are being listed. So we have

12, 24, 36, 48, 60, 72, 84, ...

as the possible number of hot dog buns we could get if we buy 1,2,3... packages.

The possible number of hot dogs we can get are

10, 20, 30, 40, 50, 60, 70, 80, ...

which are multiples of 10. Simply add 10 to each item to get the next one.

--------------------------------

Considering these two sets

12, 24, 36, 48, 60, 72, 84, ...

10, 20, 30, 40, 50, 60, 70, 80, ...

what is the lowest common multiple? That would be 60 since it is found in both lists and it is the smallest in common.

The LCM of 12 and 10 is 60.

If he wanted 60 hot dog buns, then 60/12 = 5 packages of buns is what he needs.

If he wanted 60 hot dogs, then he needs 60/10 = 6 packages of hot dogs.

Therefore, David should buy 5 packages of buns and 6 packages of hot dogs. The answer is choice C.

--------------------------------

Side note: a different way to find the LCM is to multiply 10 and 12 to get 10*12 = 120. Then we divide by the GCF 2 getting 120/2 = 60.

Answers:

=============================================

Explanation:

Part (1) Finding the mean

Add up the values to get

80 + 90 + 10 + 75 + 90 + 95 + 99 = 539

Then divide by 7 because there are 7 values in this list

539/7 = 77

The mean is 77

--------------------------

Part (2) Finding the median

First we'll need to sort the values from smallest to largest

{80, 90, 10, 75, 90, 95, 99}

will sort to

{10, 75, 80, 90, 90, 95, 99}

The middle most value is 90 since we have three items below it {10,75,80} and three items above it {90, 95, 99}.

The median is 90

--------------------------

Part (3) Which is the better measure of center?

Nearly all of the values are clustered from 75 to 99. The value 10 is an outlier since it's far from the main cluster. There are more technical processes used to find out if 10 is actually an outlier or not, but we won't deal with that right now.

The much smaller outlier pulls on the mean to make it smaller than what it should be. The mean 77 is too small to represent what the center should be. The median is not affected by outliers, which is why it's used in applications such as home prices.

The median 90 is the better measure of center.

Answer:

I tried c and i got it wrong

Step-by-step explanation:

its not c

Answer:

prime Number

Step-by-step explanation:

because 2 can be only divided by itself and one

Answer:

the number 2 is the only even prime number

Answer:

The answer for this problem would be 50.

Step-by-step explanation:

If you calculate 90% of 50, you should get 45 so, the answer is 50.