The length and the weight of 7 pipes are 24.5m and 43.3kg respectively, find the length and weight of 12 pipes

Answers

Answer 1

The length and the weight of the 12 pipe is found as 42 meters and 74.23 kg

What is referred as the unitary method?"It is a method in which we obtain the value of a single unit by subtracting the results of multiple units and thus the value of multiple units by subtracting the value of a single unit."We must first divide to discover the value of one thing, and then multiply to determine the significance of more or fewer things.

As, per the given question;

For, the seven pipes, the length is 24.5m.

7 pipes ---------> 24.5 m.

For the one pipe, use unitary method for solving;

Divide the equation by 7.

1 pipe -------->24.5/7 m.

For 12 pipes, multiply with 12 on both sides.

12 pipes --------> 24.5×12/7 m.

12 pipes ---------> 42 m.

Thus, the length of the 12 pipes is 42 meters.

Now, calculate the weight.

For, the seven pipes, the weight is 43.3 kg.

7 pipes ---------> 43.3 kg.

For the one pipe, use unitary method for solving;

Divide the equation by 7.

1 pipe -------->43.3 kg./7

For 12 pipes, multiply with 12 on both sides.

12 pipes --------> 43.3 kg×12/7

12 pipes ---------> 74.23

Thus, the weight of the 12 pipes is 74.23 kg.

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Related Questions

an online shoe brand ran two conversion lift studies. test 1 resulted in the control group showing a 20% conversion rate while the test group showed a 25% conversion rate. the results were significant at 60%. test 2 resulted in a 20% conversion rate in the control group while the test group showed a 30% conversion rate. these results were 95% significant.

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To boost their incremental ROAS, the marketing team plans to increase reach as much as feasible.

What is market science?

Using data to support decision-making objectively is central to marketing as a science. Knowing how to analyze data and spotting typical mistakes or misrepresentations in interpretations are key.

The analyst conclude -

Test 2's results were more trustworthy than Test 1's because Test 2 demonstrated a 10% difference in lift between the test and control groups and was conducted with a higher confidence level.When conducting randomized control trials utilizing their ads, an e-commerce company wants to know how reach affects the incremental ROAS outcomes.To compare reach and ROAS for each campaign ran in the previous year, the company compiles data on past campaign performance and builds a scatterplot. Over the past year, they have made numerous changes to their marketing strategy, including changes to targeting, bidding tactics, and optimization measures. To boost their incremental ROAS, the marketing team plans to increase reach as much as feasible.

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A law clerk has earned no less than $25,000 since being hired.

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Answer:

A. s ≥ 25,000

Hope this helps :)

The law clerk can earn $25,000 or more since being hired.

please help it’s about finding the mean

Answers

The mean of the data is 16 cm and the absolute mean deviation is 1.4 cm.

Given we have the data set values.

Total number of data set values = 10

to find the mean we need to find the sum of the data set values and then divide it by the total number of data set values.

Therefore, mean = 13₊14₊14₊16₊16₊16₊16₊18₊18₊19 / 10

mean = 160/10

mean = 16 cm

To find the absolute mean deviation we need to find the deviation from the mean, from that the absolute mean deviation.

Data value Deviation from mean Absolute mean deviation

13 13 ₋ 16 = ₋3 I ₋3 I = 3

14 14 ₋ 16 = ₋2 I ₋2 I = 2

16 16 ₋ 16 = 0 0

18 18 ₋ 16 = 2 2

19 19 ₋ 16 = 2 3

Now the total of the absolute mean deviation is 14

divide it by 10

= 14/10

= 1.4 cm

Hence we get the mean and the absolute mean deviation as 16 cm and 1.4 cm.

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I dont know why i dont get it

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Answer:

12 miles+14 miles+18 miles+12 miles+15 miles= 71 miles.

Step-by-step explanation:

Give the full question next time alright?

How would I multiply these matrices? (I thought this would be undefined but my teacher said it wasn’t)

Answers

When we do Matrix multiplication, we keep these two conditions in mind: 1 The number of columns of the first matrix in the multiplication process must equal the number of rows of the second.

here number of columns of 1st matrix is not equal to number of rows of 2nd matrix.

To multiply two matrices, we must first determine if the first matrix's number of columns and rows equals the second matrix's number of rows. Then sum all of the results after multiplying each element of the first matrix's column by each element of the second matrix's row.

In dealing with many ideas in linear algebra, matrices are crucial. In mathematics, a matrix is a rectangular array or table with rows and columns of integers, symbols, or expressions. Matrix operations include addition, subtraction, multiplication, and other operations.

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If it takes 3 seconds to fill up a 16 ounce
jar, how many seconds will it take to fill up a
100 ounce bucket?

Answers

Answer:

18,000

Step-by-step explanation:

The square of a certain negative number is equal to five more than one-half of that number. What is the number?
-2
-5/2
-1/2

Answers

Answer:

-2

Step-by-step explanation:

Solve inequality.
t+8 ≥ 19

Answers

To solve the inequality, subtract 8 from both sides. The solution is t ≥ 11 or [11, ∞)

Tips to solve linear inequalities:

Isolate the variable on one side by using subtraction or addition. Subtraction and addition will not change the inequality.Use division or multiplication to find the solution. Multiplication and division by a positive number will not the inequality. However, if we multiply or divide both sides with a negative number, we need to flip the inequality direction.

Interval notation is often used for the solution(s). Recall the differences between a bracket [ or ], and a parenthesis ( or ). A bracket means the endpoint is included in the solution while a parenthesis means the endpoint is not included in the solution. Remember, infinity ∞ always use a parenthesis.

Example: x ≥ 2 can be written as [2, ∞), while

x > 0 is written as (2, ∞)

The given problem:

t+8 ≥ 19

Subtract 8 from both sides. Subtracting a number from both sides will not change the inequality. Hence,

t+8 - 8 ≥ 19 - 8

t ≥ 11

Using the interval notation, the solution is [11, ∞)

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The end points of AB are A (-7.7)and B (10.5). Find the coordinates of mid point M

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The midpoint becomes Midpoint M is 3/2, 6.

According to the statement

We have to find that the midpoint.

So, For this purpose, we know that the

Midpoint is the the point on a line segment or an arc that is equidistant, when measured along the line or the arc, from both endpoints.

From the given information:

The end points of AB are A (-7,7)and B (10,5).

Then

Midpoint M = Midpoint of A, Midpoint of B

Then

Midpoint M = -7+10 /2, 7+5/2

Midpoint M = 3/2, 12/2

Midpoint M = 3/2, 6.

Then the midpoint of the AB becomes the 3/2, 6. which represent the 3/2 is the x coordinates and the y coordinates is a 6.

So, The midpoint becomes Midpoint M is 3/2, 6.

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Number 67.89 is rational or irrational with explanation

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Answer:

67.89 is rational

Step-by-step explanation:

67.89 is a terminating decimal, so it is a rational number.

what is the value of x of triangle srq?

Answers

The value of "x" in the given figure and question is 20 units.

As per the question statement, We are given a figure in which we are supposed to find the value of x.

Before solving the question, if we observe the figure, we can conclude that this question will include the concepts of right angled triangle or specifically Pythagoras Theorem, which states that

[tex]Perpendicular^{2} + base^{2} = hypotenuse^{2}[/tex] where perpendicular, base and hypotenuse are the three sides of the right angled triangle.

In Triangle RTQ

using Pythagoras Theorem

[tex]RQ^{2} = TQ^{2} +TR^{2} \\RQ=x\\x^{2} = 16^{2} + TR^{2} \\TR^{2} = x^{2} -16^{2}[/tex]

Now considering triangle SRT

using Pythagoras Theorem

[tex]SR^{2} = RT^{2} + ST^{2} \\SR^{2} = (x^{2} -16^{2}) +9^{2}\\[/tex]

Now considering triangle RSQ

using Pythagoras Theorem

[tex]SQ^{2} = SR^{2} +RQ^{2} \\(9+16)^{2} = SR^{2} + RQ^{2} \\(9+16)^{2} = x^{2} -7^{2}+x^{2} \\ (9+16)^{2} =2x^{2} -7^{2} \\25^{2}+7^{2} = 2x^{2}[/tex]

[tex]2x^{2} =674[/tex]

[tex]x^{2} =337\\x=\sqrt{337} \\x=18.357[/tex]

Therefore x = 18.357 approx 20 units.

Pythagoras Theorem: The well-known Pythagorean Theorem states that the square on the hypotenuse of a right triangle equals the sum of the squares on its legs.

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Five ounces of pretzels are put into each bag. How many bags can be made from 20 pounds of pretzels?

Answers

Each pound has 16 ounces in it.

20 pounds would be 16 x 20 ounces = 320 ounces.

If each bag has 5 ounces in it, that's 320 / 5 bags = 64 bags.

Pls give brainliest.

is -2/7 rational or irrational

Answers

Answer:

rational

Step-by-step explanation:

Rational numbers are able to be denoted as a ratio. -2/7 is a ratio, so it is rational.

Bro please help ima fail

Answers

In the picture there are 10 question.

1. Identify the 1st 10 perfect squares?

The 1st 10 perfect squares are 1,4,9,16,25,36,49,64,81 and 100.

[tex]1^{2} =1\\2^{2} =4\\3^{2} =9\\4^{2} =16\\5^{2} =25\\6^{2} =36\\7^{2} =49\\8^{2} =64\\9^{2} =81\\10^{2} =100\\[/tex]

2. What does it mean for a number to a perfect square? provide an example.

By squaring a whole number or an integer, one can create perfect squares. Let's examine an illustration to get the idea behind perfect squares. We can use a set of four and a second set of six marbles for this. Let's set the marbles in order.

See the figure(1).

With four marbles, we can create a square with two rows and two marbles in each row. We can create a rectangle with 6 marbles that has 2 rows with 3 marbles in each row. It signifies that 4 = 2[tex]\times[/tex]2 and 6 = 3[tex]\times[/tex]2 mathematically. Let's concentrate just on the square-shaped numerals. Here, 4 = 2 × 2 = [tex]2^{2}[/tex].

Square A is smaller then Square B. Square B is smaller then Square C.

The 3 Square side length are3,4.2 and[tex]5\frac{1}{2}[/tex].

complete the equation each of the square shown.

3. Square A=Area=[tex]3^{2}[/tex]=9

4. Square B= Area=[tex]4.2^{2}[/tex]=17.64

5. Square C=Area= [tex]\frac{5}{2} =\frac{25}{4}[/tex]

Find the length of the side of the square for each area is given

6.81 square inches

Area=81=[tex]s^{2}[/tex]

s=9

7. [tex]\frac{4}{25} cm[/tex]

area=[tex]\frac{4}{25} cm[/tex]=[tex]s^{2}[/tex]

s=[tex]\frac{2}{5}[/tex]

8.0.49 Square unit

area=0.49=[tex]s^{2}[/tex]

s=0.7

The graph represent the equation [tex]y=x^{2}[/tex].

9.complete the table of values to find corresponding y-values.

if x =-1.4