Which procedures are examples of Descartes’s rules for scientific reasoning? Check all that apply.

keeping a detailed record of the procedure and results of a scientific experiment
conducting an experiment to confirm the effects of gravity on Earth
accepting all of Descartes’s theories as truth
answering a math problem using mental mathematics
solving an expression in steps using the order of operations

Answers

Answer 1

Answer:

i think 3 and 5 should be the answer

Step-by-step explanation:

Answer 2

Answer:

keeping a detailed record of the procedure and results of a scientific experiment

conducting an experiment to confirm the effects of gravity on Earth

solving an expression in steps using the order of operations

Step-by-step explanation:

Just answered it this is the right answer.


Related Questions

I need help now if baby yoda is to live in the next episode in Mandalorian

Answers

Answer:

1. 52*

2. 128* ( I think)

Step-by-step explanation:

z=6x-y solve for x i need this for aleks

Answers

Answer:

(z+y)/6=x

Step-by-step explanation:

Solve for x: z=6x-y

Add y on both sides: z+y=6x

Divide by 6 on both sides (z+y)/6=x

Hope this helps plz mark brainliest if correct :D

The expression z = 6x - y can be written in terms of z and y as x = (z + y)/6, the answer is x = (z + y)/6.

What is an expression?

It is defined as the combination of constants and variables with mathematical operators.

It is given that:

The expression is:

z = 6x - y  

The linear expression is defined as the relation between two variables, if we plot the graph of the linear expression we will get a straight line.

If in the linear expression, one variable is present, then the expression is known as the linear expression in one variable.

To solve for x make the subject as x:

z + y = 6x

Divide by 6 on both sides:

x = (z + y)/6

Thus, the expression z = 6x - y can be written in terms of z and y as x = (z + y)/6, the answer is x = (z + y)/6.

Learn more about the expression here:

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A computer monitor has a width of 12 in. and a height of 9 in. What is the diagonal length of the monitor?

Answers

Answer:

15 in

Step-by-step explanation:

Using the formula d² = l² + w², we can substitute the numbers into their correct spots.

d x d = 9 x 9 + 12 x 12

d x d = 81 + 144

d x d = 225

Now we need to figure out what d is

15 x 15 = 225

So

15 squared = 9 squared + 12 squared

Meaning the answer is 15 in.

Complete the missing value in the solution to the equation: x+6y=20-10y (4, )

Answers

Answer:

1

Step-by-step explanation:

x+6y=20-10y

x+6y+10y=20

x+16y=20

Given x=4,

=> 4+16y=20

16y=20-4=16

y=1

So, the missing value is 1.

The base of a triangular prism is what shape?

Answers

look at the two faces which are parallel. Those are the bases and give the prism its name. In this case, the triangles are the parallel faces. Therefore, they are the bases and the prism is a triangular prism

How much interest is earned on a principal of $900 invested at an interest rate of 13% for eight years?

Answers

Answer:

936

Step-by-step explanation:

13% of 900 is 117

117x8= 936

Solve:
y = 2x -11
-3y = -6x -15

a - no solution
b - infinitely many solutions
c - (-1.5, -4)
d - (1.5, -4)

Answers

Answer:

d

Step-by-step explanation:

Solve for y -3y-12=-4

Answers

Answer:

−8/3

Step-by-step explanation:

Step 1: Add 12 to both sides.

−3y−12+12=−4+12

−3y=8

Step 2: Divide both sides by -3.

−3y−3=8−3

y=−8/3

the difference of a number and 6 is equal to 46
algbreic expression

Answers

Answer:

23

Step-by-step explanation:

In ARST, the measure of ZT=90°, the measure of ZR=64°, and RS = 58 feet. Find
the length of ST to the nearest tenth of a foot.
s
5-8

Answers

The length of ST to the nearest tenth of a foot is 5.2 ft
Step-by-step explanation:
Here we have
∡T = 90°
∡R = 64°
RS = 5.8 ft
To answer the question, we have apply sine rule as follows;

Therefore, for triangle RST, we will have;

Therefore;
from which

Therefore, the length of ST to the nearest tenth of a foot = 5.2 ft.

Janet types 584 words in 8 minutes. How fast can she type per minute?

Answers

Answer:

73

Step-by-step explanation:

584/8

What is the product of -12 and -4?
-48
-16
16
48

Answers

Answer:

48

Step-by-step explanation:

Multiply 12 and 4: 48.

Then there are two negatives that cancel out.

Hope this helps :D

Answer 48


Explanation

Select the correct answer.

Which inequality represents all the solutions of -2(3x + 6) ≥ 4(x + 7)?

A. x ≥ -4
B. x ≤ -4
C. x ≥ 8
D. x ≤ 8

Answers

Answer is B: x≤-4

Step-by-step explanation:

-2(3x+6)≥4(x+7)

distribute

-6x-12≥4x+28

add 12 on both sides and subtract 4x on both sides

-10x≥40

divide by -10 on both sides. keep in mind that this flips the inequality sign.

x≤-4

Answer:B

Step-by-step explanation:

HELP PLEASE :) * giving brainliest*

Solve the system of equation. Write the solution as a coordinate point

Answers

Answer:

(2,16)

Step-by-step explanation:

y=-x+18

y=8x

8x=-x+18

8x+x=9x

-x+x=0

9x=18

9x/9=x

18/9=2

x=2

y=8(2)

y=16

Answer:

(2,16)

Step-by-step explanation:

Step 1: Substitute -x+18 for y in y=8x:

-x+18=8x Add X to both sides

9x=18 Divide 9 by both sides

x=2

y=8(2)Plug in the new value for x(which is 2) into one of the equations

y=16

(2,16)

Hope this helped, good luck!

Please help me! If you can show work :) will give brainliest

Answers

Answer:

9.8

Step-by-step explanation:

factor each:
x^8-13x^4+36=0

Answers

Answer:

Step-by-step explanation:

a = x^4

a^2 - 13a +36 = 0

(a-4)*(a-9)=0

a = 4, a = 9

so

x^4 = 4, x^4 = 9

x = + or - 4th root of 9 and 4

Which is the slope-intercept form of an equation for the line containing
(0, –3) with slope –1?
A y = –x – 3 B y = –3x – 1 C y = x + 3 D x = –3y – 1

Answers

Answer:

The answer is letter A.

Step-by-step explanation:

y=mx+b

-3=(-1)(0)+b

-3=0+b

0 0

-3=b

y= -1x-3

Select the correct answer. Which statement is true? A. As the risk of an investment decreases, the opportunity of gains increases. B. As the risk of an investment decreases, so does the potential for its return. C. As the risk of an investment increases, its market value increases. D. As the risk of an investment increases, the opportunity of gains decreases. E. As the risk of an investment increases, its market value decreases.

Answers

Answer:

The answer is C. As the risk of an investment increases its, market value increases.

Step-by-step explanation:

5. Suppose Sal’s total profit on lunch specials for the next month is $1,593. The profit amounts are the same: $2 for each sandwich and $3 for each wrap. In a paragraph of at least three complete sentences, explain how the graphs of the functions for the two months are similar and how they are different

Answers

Answer:

Given:

Profit of every sandwich = $2

Profit of every wrap = $3

x = sandwich

y = wrap

Last month:  2x + 3y = 1,470

Next month: 2x + 3y = 1,593

Based on the given equation:

Both still have the same profit. $2 for sandwiches and $3 for wraps.

The only reason why there is a difference in the total amount is the change in the number of sandwich or wrap sold in a given month.

Since, next month's total sale is higher than last month's total sale, it is safe to assume that the sale of sandwich or wrap is higher than last month's sale.

The graph of the functions for the two moths are similar because both conditions have same slope and they are different because they have different [tex]y-[/tex] intercept.

What is slope intercept form?

The graph of the linear equation   is a line with [tex]m[/tex] as slope, [tex]m[/tex] and [tex]b[/tex]   as the [tex]y-[/tex] intercept. This form of the linear equation is called the slope-intercept form, and the values of [tex]m[/tex] and [tex]b[/tex] are real numbers.

It is given that, the profit amount is [tex]$\$2$[/tex] for each sandwich and [tex]$\$3$[/tex] for each wrap and total profit is [tex]$\$1593$[/tex].

So, the equation is,

[tex]2x+3y=1593[/tex]

Change the equation in slope intercept form [tex]y=mx+b[/tex]

So,

[tex]2x+3y=1593[/tex]

Subtract [tex]2x[/tex] in both sides.

[tex]2x+3y-2x=1593-2x[/tex]

[tex]3y=1593-2x[/tex]

Divide each side by [tex]3[/tex].

[tex]$\frac{3y}{3}=\frac{1593}{3} -\frac{2x}{3}[/tex]

[tex]$\therefore y=-\frac{2x}{3}+531$[/tex]

So, the equation is,

[tex]y=-\frac{2x}{3}+531$[/tex]

The graph of the equation is shown below.

From the below graph, we will have two step down and three step right.

So, slope looks like rise over run.

So, the graphs represents, how many wraps and sandwiches were sold.

Both will have same slope, because if we will make the equation for this, it is like,

[tex]$2x+3y=1593$[/tex]

The calculation is follow for both condition is same.

Since, both conditions have same slope but different [tex]y-[/tex] intercept.

Hence, next month's total sale is greater than last month's total sale, it is safe to consider that the sale of sandwich or wrap is greater than last month's sale.

Learn more about slope intercept form here,

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The length of a room is 6.25 feet longer than the width, x. Write a expression that represents the perimeter of the room

Answers

Answer:

P=4x+12.5

Step-by-step explanation:

Step one:

given data

width W= x

Length L= (x+6.25)

We know that the perimeter of a rectangle is expressed as

P=2L+2W

P=2(x+6.25)+2(x)

P=2x+12.5+2x

collect like terms

P=2x+2x+12.5

P=4x+12.5

Hence the expression for the Perimeter is

P=4x+12.5

The language arts teacher wants to know whether the students in the entire school prefer a debate or an speech. The teacher draws a random sample from the following groups:

All teachers in the school
All boys in each grade
All students in the speech club
All students in each grade
Which group best represents the population she should take a random sample from to get the best results for her survey? (5 points)

Group of answer choices

All teachers in the school

All boys in each grade

All students in the speech club

All students in each grade

Answers

Answer:

It would be to ask all the students in the grade.

Step-by-step explanation:

Answer:

it D answer D and it will be correct I just did this test guys well if it isnt D then its all students in each grade I just did this test lol

Step-by-step explanation:

Let me knwo the answer! Will mark brainliest! eAsy 8th grade algebra!

Answers

Answer:

the answer is D

Step-by-step explanation:

i 1000000% surebthatś the answer:)    don forget to brainllest:)

it’s d please mark me brainliest

Please help! Only if you know :((

Answers

Answer:

43 degrees

Step-by-step explanation:

A line is 180

180-86= 94

Since both angles are equal to each other. Split 94

94/2 = 47

90 degrees for the other side.

one triangle is 180 total.

add it up and subtract 180 to find the missing angle.

180 - 47+90 = 43

A jacket costs $35 and has an 8 percent tax rate. Which expression will find the cost of the tax on the jacket?
35 dollars (0.08)
35 dollars (8)
35 dollars (0.08) + 35 dollars
35 dollars (8) + 35 dollars

Answers

Answer:

A

Step-by-step explanation:

(4 + 5) + 12 = 4 + (5 + 12) Are the expressions equivalent? YES or NO 2) If yes, state the Property. If no, explain.

Answers

Answer:

Yes, they are the same.

Step-by-step explanation:

Associative Property

is 8.6x10^7 written in scientific notation

Answers

Answer:

86000000

Step-by-step explanation:

86000000

Move the decimal point 7 places to the left.

8.6000000*107

Answer:

8.6 x10^7

^So it's 86000000

Write the equation in point-slope form that contains the points (2,4) and (-8,1).

Answers

Answer:

y=3/10x+17/5

Step-by-step explanation:

I need help I will give brainless

Answers

Answer:

what the questions

omg

Answer:

hjkl

Step-by-step explanation:

huh

One year after you buy a tree, it is 10 feet tall. Each year after you buy the tree, it grows 2 feet. Write a function that represents the arithmetic sequence. How long does it take for the tree to reach its maximum height of 28 feet?

Answers

Answer: f(x)=10+2x

Step-by-step explanation: x = the number of years. 10 represents the starting length . please tell me if i was right

Answer: f(n)=2n+10

Step-by-step explanation:

Which is the solution to the inequality?

Answers

Answer:

the last one

Step-by-step explanation:

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