admin

2 months ago

Guest #10410

2 months ago

Hey there! :)

We're given the points : (4, 8) & (8, 11)

Plug these into the slope equation, which is : m = (y₂-y₁) / (x₂-x₁)

m = (11 - 8) / (8 - 4)

Simplify.

m = 3/4

So, our slope is 3/4!

~Hope I helped!~

We're given the points : (4, 8) & (8, 11)

Plug these into the slope equation, which is : m = (y₂-y₁) / (x₂-x₁)

m = (11 - 8) / (8 - 4)

Simplify.

m = 3/4

So, our slope is 3/4!

~Hope I helped!~

Question

When n is small (less than 30), how does the shape of the t distribution compare to the normal distribution? a. it is taller and narrower than the normal distribution.
b. there is no consistent relationship between the t distribution and the normal distribution.
c. it is almost perfectly normal.
d. it is flatter and more spread out than the normal distribution?

Solution 1

B is the answer it i think

Question

Can someone show me how to do this?
16! / 4! 12!

Solution 1

What do you mean lol, there is no such thing as that in math. if your question is 16/412 then let me know

Question

The scale of a map is 0.5 inch : 20 miles. on the map, the distance between two cities is 1.5 inches. what is that actual distance between the two cities? select one: a. 30 miles
b. 150 miles
c. 60 miles
d. 110 miles

Solution 1

I think it is b 150m

Question

Create a function to model the height of a firework when shot in the air. Explain whether the function will have a maximum or a minimum value.

Solution 1

The function would be h(t)=-16t²+v₀t+0, where v₀ is the initial velocity of the firework.

0 is the initial height, since you cannot hold one in your hand and safely set it off.

This will have a maximum; the firework will reach a highest point and fall back down. This is also evident from the equation; the negative in front of t² flips the parabola upside down, which gives it a maximum.

0 is the initial height, since you cannot hold one in your hand and safely set it off.

This will have a maximum; the firework will reach a highest point and fall back down. This is also evident from the equation; the negative in front of t² flips the parabola upside down, which gives it a maximum.

Question

Daniel ate 0.55 of a candy bar. Which fraction represents the part of the candy bar that Daniel ate? A. 10/22
B. 11/20
C. 2/5
D. 3/4
E. 11/40

Solution 1

**Answer:**

The answer is B 11/20

**Step-by-step explanation:**

To transform a decimal to a fraction you must do the following:

1. Multiply by an specific power of 10 until your decimal becomes a whole number. In this case 0.55 we multiply by 10 ^2 or 100 and we obtain 55.

2 Divide the decimal by this same power of 10 so that you do not change the original value. For example

0.55 *(100/100) = 55/100 As you see Im multiplying and dividing by 100 ( thats equivalent to 1 so it doesnt change the original number)

3 Simplify the fraction

To simplify your fraction you must find the Greatest Common Factor of 55 and 100. For doing this, you only perform a prime factorization. Divide 55 and 100 by the smallest common prime factor, besides 1. (For this case is 5) until you arrive to two number without common prime factors.

55/5 = 11

100/5 = 20

As 11 and 20 have no common prime factors it is the most simplified fraction

Solution 2

B, The greatest common factor for 55 and 100 is 5.Divide 55 by 5 and you get 11.Divide 100 by 5 and you get 20.In its simplest form, the fraction 55/100 equals 11/20.

Question

Please help i'm really confused.
0! = 0
True
False

Solution 1

That is False . 0! = 1

Solution 2

This is false.

0! is defined to be 1

0! is defined to be 1

Question

Subtract.
(x + 1) − (−2x − 5)

Solution 1

3x+6, you have to distribute the negative to get the parentheses away and simplify

Solution 2

**Answer:**

3x+6

**Step-by-step explanation:**

you have to distribute the negative to get the parentheses away and simplify

Question

In a car how many miles do you go per day? How many days until you hit 10,000 miles?

Solution 1

I drive 25 miles per day

divide the number of miles per day by the total miles to find how long it will take:

10,000 miles / 25 miles per day = 400 days

divide the number of miles per day by the total miles to find how long it will take:

10,000 miles / 25 miles per day = 400 days

Solution 2

The Average American Driver drives 33.3 Miles per day. so take that statistic and divide it by 10,000 youll get 300 so like 10 months. but it depends on how much you drive a day, some people drive up to 88 miles a day

Question

A group consists of five men and seven women. four people are selected to attend a conference. a. in how many ways can four people be selected from this group of twelve?
b. in how many ways can four women be selected from the seven women?
c. find the probability that the selected group will consist of all women.0

Solution 1

A. That would be 12C4 = (12*11*10*9) / (4*3*2*1) = 495 ways

b. This is 7C4 = 7C3 = (7*6*5) / 6 = 35 ways

c. This would come to 7C4 / 12C4 = 35/495 = 7/99

b. This is 7C4 = 7C3 = (7*6*5) / 6 = 35 ways

c. This would come to 7C4 / 12C4 = 35/495 = 7/99

Question

Two cars leave towns 360 kilometers apart at the same time and travel toward each other. One car's rate is 12 kilometers per hour less than the other's. If they meet in 2 hours, what is the rate of the slower car?

Solution 1

Let x = speed of the first car

the second car is 12 km slower so the seconds car speed is x-12

they each drove 2 hours so 1st car = 2x

2nd car = 2(x-12)

they drove 360 km

so you have 2x + 2(x-12) = 360

solve for x

2x+2(x-12) = 360

2x + 2x-24 = 360

4x-24 = 360

4x = 384

x = 384/4

x = 96

1st car drove at 96 km per hour

slower car drove at 96-12 = 84 km per hour

the second car is 12 km slower so the seconds car speed is x-12

they each drove 2 hours so 1st car = 2x

2nd car = 2(x-12)

they drove 360 km

so you have 2x + 2(x-12) = 360

solve for x

2x+2(x-12) = 360

2x + 2x-24 = 360

4x-24 = 360

4x = 384

x = 384/4

x = 96

1st car drove at 96 km per hour

slower car drove at 96-12 = 84 km per hour

Mathematics
2647929

History
842281

English
748681

Biology
586256

Social Studies
406852

Chemistry
368373

Business
348603

Physics
324927

Health
199835

Spanish
130075

Geography
112100

Computers and Technology
106146

Arts
77164

Advanced Placement (AP)
23675

World Languages
23213

French
22589

Engineering
19607

Law
17108

Medicine
13966

SAT
10987

German
3389

High School
3423409

Middle School
2092250

College
1518097