Mathematics College

Help please if you get it right then you get brainliest

Help Please If You Get It Right Then You Get Brainliest

Answers

Answer 1

Answer:

C. Australia and Antarctica were a single landmass in the past.

Step-by-step explanation:

The most likely explanation for why the fossils of this plant are found on these two continents is that Australia and Antarctica were a single landmass in the past.

This evidence is vastly supported by the theory of plate tectonics originally, the theory of continental drift.

Plate tectonics proposes that all land masses were once joined together as a single supercontinent called Pangaea.

The region of Antartica and Australia were once joined as a single continental mass.

The plant must have developed together at that time.

When the continents moved apart, they still had the fossils.

Related Questions

A store sells candy at $.50, $1, $1.50, $2, and $3 per kilogram.
You see that the unit price of candies and the amount of candies that $3 buy vary inversely. What is the constant of variation.

Answers

.50 cents is the answer to the question

Solve 48 = -8r!!!help pleaseeeee

Answers

Answer:

D

Step-by-step explanation:

What is the ratio of 5
footballs to 9 Baseballs

Answers

Answer:

5:9 If that's what you meant

Step-by-step explanation:

Answer:

5:9

Step-by-step explanation:

Ratio is as follows

n1 to n2 = n1:n2

Therefore,

5 footballs to 9 baseballs = 5:9

Hope this helps :)

plz help me show your work​

Answers

Answer:

Step-by-step explanation:

5p + 1/2 p + 2/3p - 2.75

10/6p - 2.75

Please help me I am confused

Answers

The answer is c...

y = mx + b is slope intercept form

This equation corresponds to that...

to be in slope intercept form:

y = mx + b is corresponded to y = 4x + 9

Answers c!!!!!!::::::::::)))))

Please help with both and leave a small explanation! I wanna double check my answers!

Answers

Answer:

(1)Hoops shadow would be 6 ft (2) model would be 3 cms

Step-by-step explanation:

9 / 3 = 3   3 x 2 = 6 ft

15 / 5 =3    3 x 1 = 3 cm

Are these rational or irrational? Please help ASAP!

Answers

Answer:

√25 is a rational number

√1 is rational number

√7 is irrational number

Step-by-step explanation:

first one is √25

=√25

=√5² ( 25 is the square of 5)

= 5

another one is √1

= √1

=√1² ( 1 is the square of itself)

= 1

last one is √7..... and it is irrational

Create Write a real-world problem that can be
solved using the equation 9 + 4x = 21 - 2x

Answers

1. you have to subtract 9 from both sides. 21-9= 12
2. you have to add 2x to both sides. 4x+2x= 6x
3. 6x divided by both sides =
4.x=2

The required real-world problem is below that can be solved using the equation.

What is the equation?

The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.

A construction company is building a new housing development and wants to know how many houses they need to build to reach a certain profit margin. They know that each house costs $9 to build and they want to sell each house for $21.

If they build x number of houses, the equation to calculate their profit is:

21x - (4x + 9) = profit.

To reach a certain profit margin, the company can set that equation equal to a specific value and solve for x.

Learn more about the equation here:

brainly.com/question/10413253

#SPJ5

PLEASE HELP I SUCK AT MATH

Answers

The answer to the question is B. [tex]y=4x[/tex]

[tex]4(2)=8\\4(3)=12\\4(4)=16\\4(5)=20[/tex]

Evaluate each of the following values for the f(×)=[×]:

Answers

It’s um um.......y......e......a.......h. Yeah

7a/9bc divided by 21a/12b

Answers

Answer:

Step-by-step explanation:

I dont know if you meant to punch in a c into the equation but if you didnt mean to i have both answers

The one that contains a c in the fraction that you asked for!

A company manufactures batteries in batches of 26 and there is a 3% rate of defects. Find the standard deviation for the number of defects per batch.

Answers

Answer:

The standard deviation for the number of defects per batch is 0.87.

Step-by-step explanation:

Let X denote the number of defective batteries per batch.

A company manufactures batteries in batches of n = 26.

It is provided that the rate of defects is, p = 0.03.

Each battery is defective independently of the others.

The random variable X follows a binomial distribution.

The standard deviation of a binomial distribution is:

[tex]\sigma=\sqrt{np(1-p)}[/tex]

Compute the standard deviation for the number of defects per batch as follows:

[tex]\sigma=\sqrt{np(1-p)}[/tex]

  [tex]=\sqrt{26\times 0.03\times (1-0.03)}\\\\=0.86982757\\\\\approx 0.87[/tex]

Thus, the standard deviation for the number of defects per batch is 0.87.

(-2, 1) and (2, -3)
Slope intercept form

Answers

y=1/2x+2 can i get brainliest

Answer:

y=-1x-1

Step-by-step explanation:

m=y2-y1/x2-x1

(-3)-1=-4

2-(-2)=4

-4/4=(-1)

y=mx+b

-3=-1(2)+b

-1*2=-2

-2-(-2)=0

(-3)-(-2)=(-1)

b=-1

hope this helps :3

if it did pls mark brainliest

Lin runs 5 laps around a track in 6 minutes.

How many minutes per lap is that?
How many laps per minute is that?
If Lin runs 21 laps at the same rate, how long does it take her?

Answers

Answer:

1.2 minutes is per lap

0.33 laps per minute

I can only do this much hope it helps.

PLZ HELP ME?!?!?!?!?!?!?!?!?!?!?!!!???!?!?!?!?

At the electronics store, James bought a headset that was originally priced at $90 for $60. What was the percent of change in the headset's price?

Answers

Answer:

30%

Step-by-step explanation:

A game uses a single 6-sided die.

To play the game, the die is rolled one time, with the following results:

Even number = lose $10
1 or 3 = win $3
5 = win $8

What is the expected value of the game?

Answers

45$ since there are 3 even numbers so 3x10= 30 and 1&3= 6 1 five which is 8. Now we add 30+6+8

Whoever answers gets brainlist!

Answers

Answer:

B

Step-by-step explanation:

answer is B

Multiply the pairs of numbers and match them to their products.​

Answers

Answer:

-1.2*-7=8.4   -2.5*-2=5   2.5*-2=-5    -1.2*7=-8.4

Step-by-step explanation:

Write the next three terms in each sequence. Make sure your
answers are separated by a comma and a space; like 1, 2, 3

25, 26, 27, 28, ...


Answers

Answer:

29,30,31

this is basically like counting just add 1

Stuck on this problem for awhile​

Answers

Answer:B

Step-by-step explanation: 1/3*5=5/3*2/9=10/27

joyce only gets 5.5%commission on sales greater than $2000 per month. If she sold $2300, what commission did she earn? A. 82.21 B. 16.5 C. 144 D. zero​

Answers

Answer:

$16.50

Step-by-step explanation:

$300 x .055 = $16.50

What’s two fifths/one sixth? Fractions

Answers

Answer:

The answer is 2/5 i think

Step-by-step explanation:

hope that helps!

help meh plss :) i don't know the answer

Answers

Answer:

33 1/3

Step-by-step explanation:

2
Given the function below, which of the
following values will result in f(x)=1/2x+8

A. f(-2)
B. S(-4)
C. (4)
D. f(13)

Answers

The answer is d)f(13)

1
2
3
4
5
7
9
10
Which graph shows the solution set for 2x+3 >-9?
8 -7
-2 -1 0 1 2
→
6 -5 -4 -3 -2 -1 0 1 2
-8 7 6 5 4 3 2
0
1 2
-8 -7 -6
-3 -2 -1 0
1
2.

Answers

Answer:

6 -5 -4 -3 -2 -1 0 1 2

Step-by-step explanation:

What is the slope of the line whose equation is y - = 0? slope = slope = - slope = 0

Answers

Answer:

the slope is 0

Step-by-step explanation:

Answer:

the slope is 0

Step-by-step explanation:

3x * -2y= -100
Solve for y and x.

Answers

Answer:

x=50/3y

y=50/3x

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

I need help with whole thing teacher is putting pressure on me and I have a 10 in her class

Answers

Answer:

So... for problem 15. im gonna help you and maybe you'll understand how to do it:) So the X axis is the horizontal line and the Y axis is the vertical line.

So when it says X -4

                          Y 5

Then the point would be at -4 on the horizontal line and 5 positive points on the Y axis (vertical line)

Step-by-step explanation:

I really hope this helps you its hard to describe over type:(

Good luck:))

How will increasing the level of confidence without changing the sample size affect the width of a confidence interval for a population mean?

Answers

Answer:

The width of the confidence interval is going to be wider

Step-by-step explanation:

When we Increase the level of confidence without changing the sample size the width of the confidence interval is going to be affected in the following way;

The margin of error (M.E) is going to be larger or be increased. This increase is due to the fact that the critical value is going to increase. Then the increased margin of error would cause the width of the confidence interval to become wider.

This answers your question.

Decrease 950 by 36%.

Answers

Answer:

342

Step-by-step explanation:

950×0.36=342.....

Answer:

608

Step-by-step explanation:

100-36 =64 which means you want the answer to be 64% of the original value.Find 10% of 950 = 95Mulitply by 6.4 because 10 times 6.4 = 6495 * 6.4 =608

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