Question 4 of 25

How is a scientific theory different from a hypothesis?

A. A theory is an explanation of a single phenomenon; a hypothesis is a question that can be tested.

B. A theory is a well-tested explanation; a hypothesis is a possible answer that needs to be tested.

C. A theory and a hypothesis are both educated guesses, but a hypothesis is not proven.

D. A theory explains a scientific law; a hypothesis explains a theory.

Answers

Answer 1
b the answer is letter B

Related Questions

Find the value of c-7 when c= 20.

Answers

Answer:

13

Step-by-step explanation:

13
hopefully that helps :)

Multiply
- 4u^2(-5u^3)

Answers

 [tex]\bold{Hello!}\\\bold{Your~Answer~Is~Below!}[/tex]

______________________________

 [tex]\bold{Solution~Steps:}[/tex]

[tex]1.)~Multiply~Powers:[/tex]

[tex]\bold{To~multiply~powers~of~the~same~base,~add~their~exponents.}[/tex][tex]\bold{2+3=5}[/tex]

[tex]2.)~Multiply~Bases:[/tex]

[tex]\bold{-4}[/tex] × [tex]\bold{-5=20}[/tex][tex]\bold{When~you~multiply~2~negatives,~the~product~will~always~be~positive.}[/tex]

______________________________

 [tex]\bold{Answer:}[/tex]

[tex]\bold{The~simplifed~version~of~the~power~is~\boxed{20u^5.}}[/tex]

______________________________

 [tex]\bold{Hope~this~helps,}\\\bold{And~best~of~luck!}\\\\\bold{~~~~~~-TotallyNotTrillex}[/tex]

hello people ~
factorise: x² + 9x + 20

Answers

Answer:

[tex](x+4)(x+5)[/tex]

Step-by-step explanation:

To factorize [tex]x^2+9x+20[/tex]

[tex]\textsf{for} \ ax^2+bx+c \ \textsf{find} \ v, w \ \textsf{such that} \ v \cdot w=a \cdot c \ \textsf{and} \ v+w=b\\ \textsf{ and group into} \ (ax^2+vx)+(wx+c)[/tex]

[tex]a \cdot c=1 \cdot 20=20[/tex]

[tex]b=9[/tex]

Therefore, the 2 numbers that multiply together to give 20 and add together to give 9 are:  4 and 5

[tex]\implies x^2+4x+5x+20[/tex]

[tex]\implies (x^2+4x)+(5x+20)[/tex]

Factor the parentheses:

[tex]\implies x(x+4)+5(x+4)[/tex]

Factor out the common term [tex](x+4)[/tex]:

[tex]\implies (x+4)(x+5)[/tex]

[tex]\\ \rm\rightarrowtail x^2+9x+20[/tex]

Use mid term splitation

[tex]\\ \rm\rightarrowtail x^2+4x+5x+20[/tex]

[tex]\\ \rm\rightarrowtail x(x+4)+5(x+4)[/tex]

[tex]\\ \rm\rightarrowtail (x+5)(x+4)[/tex]

Done!

What is the difference?

Answers

Answer:

29√5

Step-by-step explanation:

Which expression is equivalent to 6 Superscript 4 times 6 cubed? (6 times 6 times 6 times 6) (6 times 6 times 6) (6 6 6 6) times (6 6 6) (6 times 6 times 6 times 6) times (6 times 6 times 6) (6 times 6 times 6 times 6 times 6) times (6 times 6 times 6 times 6).

Answers

The expression which is equivalent to 6 Superscript 4 times 6 cubed and posses same value as this expression is,

[tex]6\times6\times6\times6)\times6[/tex]

What is the equivalent expression?

Equivalent expressions are the expression whose result is equal to the original expression, but the way of representation is different.

The given statement for the expression is 6 Superscript 4 times 6 cubed. This expression cab be written as,

[tex]6^4\times6[/tex]

Suppose the equivalent expression of this equation is n. Thus,

[tex]n=6^4\times6[/tex]

The 4 power of number 6 means that the number 6 should be multiplied 4 times.

[tex]n=(6\times6\times6\times6)\times6[/tex]

Hence, the expression which is equivalent to 6 Superscript 4 times 6 cubed and posses same value as this expression is,

[tex]6\times6\times6\times6)\times6[/tex]

Learn more about the equivalent expression here;

https://brainly.com/question/2972832

Answer: (6.6.6.6).6

Step-by-step explanation:

Suppose you are mixing
blue paint and yellow point
in a 2:3 ratio to make green
paint. How many pails of
blue paint would you need
If you use 30 pails of yellow
paint?

Answers

Answer:

20

Step-by-step explanation

I have no clue how to explain this.

1. Square roots are the____of perfect squares. ( i really need help like now plz )

Answers

Answer:

opposite

thats the answer

Answer: Whole number (I think)

Step-by-step explanation: Sorry if I am wrong..

(Sorry I am wrong lol)

Aldo drove 845 miles in 13 hours.
At the same rate, how long would it take him to drive 325 miles?

Answers

Answer:

5 hours

Step-by-step explanation:

time per mile = number of hours ÷ number of miles

                      = 13 ÷ 845

                      = 1/65 hours per mile

time to drive 325 miles = 325 × time per mile

                                       = 325 × 1/65

                                       = 5 hours

(-4×√1/16÷0.5) and (3+(-5))²

Answers

you answer is this 364. 41

your welcome

have a good day or night

Answer:

3.5

Step-by-step explanation:

Help please 9a
I can’t solve it

Answers

Step-by-step explanation:

answer in the image here I hope it's good for you

In an obstacle course, participants climb to the top of a tower and use a zip line to travel across a mud pit. The zip line extends from the top of a tower to a point on the ground 60 feet away from the base of the tower. The angle of elevation of the zip line is 20°. Estimate the length of the zip line to the nearest tenth of a foot.

about 63.9 ft

about 21.8 ft

about 175.4 ft

about 164.8 ft

Answers

Using relations in a right triangle, it is found that the length of the zip line is of about 63.9 ft.

What are the relations in a right triangle?

The relations in a right triangle are given as follows:

The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

In this problem, the hypotenuse is the length of the line, considering that the base of 60 ft is adjacent to the angle of 20º, hence:

[tex]\cos{20^\circ} = \frac{60}{l}[/tex]

[tex]l = \frac{60}{\cos{20^\circ}}[/tex]

[tex]l = 63.9[/tex]

The length of the zip line is of about 63.9 ft.

More can be learned about the relations in a right triangle at https://brainly.com/question/18090623


1) The cost of carpeting a floor with area 120 m² is Rs 3840. What is the cost of
carpeting the floor if its area is increased by 10² m??

Answers

Answer: 4,160

Step-by-step explanation:

An object is moving at a speed of 3 meters per minute. Express this speed in miles per year.

Answers

Answer:

979.78.

Step-by-step explanation:

Answer:

979.78

Step-by-step explanation:

WILL GIVE BRAINLIEST

Match the equations of the lines with their graphs

Answers

y=2x+3 it’s a second graph

y=-2x+3 it’s a third graph

y=2x-3 it’s a first graph

13u = 26 is it 39, 338 , or 2

Answers

Answer:

13u = 26

13*2 = 26

2 is the answer

Answer:

Today: Monday, 12 October 2020

Hour: 09.17 WIB (in Indonesian)

_________________________

13u = 26

u = 26/13

u = 2

Picture I drew of custom made re animated sasuke eye

Answers

Answer:

[tex]five[/tex] [tex]stars![/tex]

★ ★ ★ ★ ★

Need help ASAP! Tysmm

Answers

Answer:

Square

A=bh

A=6(6)

A=36m²

Triangle

A=½bh

A=4(3)(½)

A=12(½)

A=6m²

total

36-6=30m²

Please help I’m l got stuck on this one

Answers

Answer:

Hope this helps... Please thank + mark me as brainlist = Follow

Answer:

32 Black grapes

Step-by-step explanation:

The ratio is 3:4 meaning that for every 3 green grapes, there are 4 black grapes

If there were 6 green grapes there would be (4/3)*6 black grapes, thus, 8 grapes

In this case, we have 24 green grapes, simply apply this ratio to find the black grapes;

(4/3)*24 = 32

Question 2 The sales rack in the women's clothes department of a department store contains 32 sweaters. The sizes and colors of these sweaters are given in the table below Sweaters on Sale Color Black Blue Pink Red White Small 4 2 3 Size Medium 4 5 5 2 1 Large 2 1 2 1 What is the probability that a sweater randomly selected from the sales rack is pink and size medium? A 3 32 B 5 32 5 17 D 5 8


Answers

Answer:

A because it looks like its that one

Step-by-step explanation:

ree

Simplify this question
2/4x+4 - 2x/2

Answers

Answer:

[tex] \frac{1 - 2 {x}^{2} -2x }{ 2x + 2} [/tex]

Step-by-step explanation:

[tex] \frac{2}{4x + 4} - \frac{2x}{2} [/tex]

[tex] = \frac{2 \times 2}{(4x + 4) \times 2} - \frac{(2x) \times (4x + 4) }{2 \times (4x + 4)} [/tex]

[tex] = \frac{4}{8x + 8} - \frac{8 {x}^{2} + 8x }{8x + 8} [/tex]

[tex] = \frac{4 - (8 {x}^{2} + 8x) }{8x + 8} [/tex]

[tex] = \frac{4 - 8 {x}^{2} - 8x }{8x + 8} [/tex]

[tex] = \frac{4 \times (1 - 2 {x}^{2} -2x ) }{4 \times (2x + 2)} [/tex]

[tex] = \frac{1 - 2 {x}^{2} -2x }{ 2x + 2} [/tex]

Stan swam 100 meters in 2 minutes. At this rate, how many meters would he swim in 20 minutes? Plss answer asap (30 brainlist for the correct answer)

Answers

Answer:

1000 metres

Step-by-step explanation:

2 mins= 100 meters

20mins=

100meters × 20mins

2 mins

=1000 meters

Stan would proceed to swim 1000 meters in 20mins

Given f(x) = 9x - 10, find f(8) *

Answers

Answer:

[tex]\huge\boxed{f(8) = 62}[/tex]

Step-by-step explanation:

[tex]\sf f(x) = 9x-10\\\\Put\ x = 8\\\\f(8) = 9(8) -10\\\\f(8) = 72-10\\\\f(8) = 62\\\\\rule[225]{225}{2}[/tex]

Hope this helped!

~AnonymousHelper1807

Answer:

f(8) = 62

Step-by-step explanation:

To evaluate f(8) substitute x = 8 into f(x) , that is

f(8) = 9(8) - 10 = 72 - 10 = 62

Unit test in science if you took it. It's question 10 four students measure the length of a paperclip whose actual length is 3.2 cm. Whose measurement is precise but not accurate? IS IT A OR B I DONT KNOW A.Samuel: 2.7, 2.7, 2.7, 2.8 B. Jose: 2.2, 2.6, 3.0, 3.3 C. Nikita: 3.1, 3.1, 3.2, 3.2 D. Anne: 2.6, 3.2, 3.2, 3.6

Answers

Answer: A.Samuel: 2.7, 2.7, 2.7, 2.8

Step-by-step explanation:

Given that actual length = 3.2cm

Samuel's score is precise but inaccurate. This is because, each of Samuel's four measurements are close to each other even though it lacks accuracy, because it is a bit far from the actual value of the measurement. Hence, of the measurements given for each of Samuel, Nikita, Jose and Anne, Samuel's score exhibits precision but inaccurate. Nikita's score is both precise and accurate

The basketball team earned $215 by washing cars. They want to buy basketballs that cost $39 each. How many can the team buy?

Answers

Answer:

The team can buy 5 basketballs

Step-by-step explanation:

215 / 39 = 5.51

or

5 with a remainder of 20 dollars.

We simply cannot buy 0.51 of a basketball, unless you bring a saw...

Answer:

they can buy 5 balls, and they will have 20 dollars left over.

Step-by-step explanation:

to solve, divide 215 by 39, so 215/39 which gives us 5.512. and since we cant have half of a ball, and we do not have enough capital to buy another ball, we settle for the 5. it isnt important, but to get the leftover money, just multiply 5 by 39, or 5x39 to get 195. then subtract the original value to get 20 dollars.

hope this helps, please rate and mark as brainlest.

The cost to rent a bike is $28 for the first day plus $2 for each day after that. Write an explicit formula for the rental cost for n days. What is the cost of renting the bike for 8 days?

Answers

Answer:

42

Step-by-step explanation:

The explicit formula for the rental cost is  =+. The cost of renting a bike for 2 days is $42.

The equation for the rental cost for n days will be 28 + 2n.

Based on the information given, the explicit formula for the rental cost for n days will be:

= 28 + (2 × n)

= 28 + 2n

Therefore, the cost of renting the bike for 8 days will be:

= 28 + 2n

= 28 + 2(8)

= 28 + 16 = 44

Learn more about equations on:

https://brainly.com/question/2972832

Simplify this expression: One-half k squared + g minus 3 + one-half k squared minus 3 + 2 g k2 + 3g – 6 One-fourthk2 + 3g 3g + 9 k2 – 3

Answers

Answer:

The answer is A, k2 + 3g – 6

Step-by-step explanation:

did the assignment on edge2020

A:

Simplify this expression:  One-half k squared + g minus 3 + one-half k squared minus 3 + 2 g

One card is drawn from a deck of 52 cards,well-shuffled .calculate the probability that the card will be diamond.

Answers

Answer:

52/4 which is 13, so 13/52 which is .25, so 25% chance

There are 8/5 polka dots many are there?

Answers

Answer:

1 3/5

Step-by-step explanation:

this is a mixed number

8/5= 1 3/5

cylinder has a base diameter of 6m and a height of 12m. What is its volume in cubic m, to the nearest tenths place

Answers

Answer:

339.3m²

Step-by-step explanation:

Formula is volume= X radius² X height

First find radius, which is 1/2 of the diameter.  6/2= 3 is the radius

Then set up the equation: ()(3²)(12)

Put into calculator to get 339.3 (rounded to the tenths)

The volume of the cylinder will be 339.12 cubic meters.

What is the volume of a right circular cylinder?

Let r be the radius and h be the height of the cylinder. Then the volume of the cylinder will be given as,

V = π r²h cubic units

The cylinder has a base diameter of 6 m and a height of 12 m. Then the radius of the cylinder is calculated as,

r = d / 2

r = 6 / 2

r = 3 m

Then the volume of the cylinder is calculated as,

V = 3.14 x 3² x 12

V = 339.12 cubic meters

More about the volume of the cylinder link is given below.

https://brainly.com/question/12763699

#SPJ3

find the value of 8
[tex] {8}^{3} [/tex]

Answers

THE VALUE OF 8 CUBED IS 512
your gonna need to do 8 times 8 times 8 would be 512
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