The ends of a pipe when measured with a tape measure that has marks every millimeter are exactly at the 0 mark and the 15 meter mark. how would you record this measurement keeping the correct number of significant figures.

Answers

Answer 1
If the ends span from the 0 to the 15 meter mark, then the length of the pipe is 15 meters. However, you should report it using the right amount of significant figures. It is mentioned in the problem that millimeter marks are calibrated between meters. Since millimeter is 1/1000 of a meter, you should add three decimal places to the 15 meters. Hence, you should report it as 15.000 meters.

Related Questions

Carlos finds the absolute value of -5.3, and then finds the opposite of his answer. Jason finds the opposite of -5.3 and then finds the absolute value of his answer. What final value is greater? EXPLAIN

Answers

Thanks for the question!

Carlos:
|-5.3|
5.3
Opposite: -5.3
-5.3

Jason:
Opposite: 5.3
|5.3|
5.3

So, Jason.

Hope this helps!

If AB=3x+2 and AC=X+14. Find BC

Answers

B = 3x/A + 2/A
C = x/A + 14/A

I hope this helps please give me brainliest

BC = AC-AB

BC = (x+14) -(3x+2)

BC = -2x+16

A total of 35 pints of blood were collected at a local blood drive how many quarts of blood were collected

Answers

The Answer is 17.5 US quarts. hope it helps!
Two pints are in a quart :])

The cost of two mopeds is the same as the cost of seven bicycles. The cost of one bicycle is $152. Therefore, the cost of one moped is

Answers

7 x 152 = 1064 for 7 bikes

 since 2 mopeds cost that amount divide by 2 for the price of 1 moped

1064/2 = $532

The line 3x+4y=24 cuts the x-axis at point A and the y-axis at B. Find
The coordinate of A and B
The length of AB
Point C is on the line such that C is equidistant from x and y-axis.find coordinate of C.

Answers

if line 3x + 4y = 24 cuts the x axis at point A, then point A is ur x intercept of line 3x + 4y = 24. To find the x int, sub in 0 for y and solve for x.
3x + 4y = 24
3x + 4(0) = 24
3x = 24
x = 24/3
x = 8....so point A is (8,0) <===

if line 3x + 4y = 24 cuts the y axis at point B, the point B is the y int. of 3x + 4y = 24. To find the y int, sub in 0 for x and solve for y
3x + 4y = 24
3(0) + 4y = 24
4y = 24
y = 24/4
y = 6......so point B is  (0,6) <===

if point C is equidistant from point A and point B, then it is the midpoint.
midpoint formula : (x1 + x2) / 2, (y1 + y2) / 2
(8,0)....x1 = 8 and y1 = 0
(0,6)...x2 = 0 and y2 = 6
time to sub and solve
m = (8 + 0)/2 , (0 + 6)/2
m = (8/2),(6/2)
m = (4,3) <=== this is point C
Final answer:

The coordinates of A and B are (8,0) and (0,6) respectively. The length of AB is 10 units. The coordinates of point C, which is equidistant from both axes, are (3,3).

Explanation:

To find the coordinates of points A and B, you should find the points where the line intersects the x and y-axes. For the x-axis (y=0), the equation 3x + 4(0) = 24 simplifies to 3x = 24, or x = 8. Therefore, the coordinates of A are (8,0). Similarly, for the y-axis (x=0), the equation 3(0) + 4y = 24 simplifies to 4y = 24, or y = 6. Therefore, the coordinates of B are (0,6).

To find the length of AB, we use the distance formula, √[(x2−x1)²+(y2−y1)²], which results in √[(0-8)²+(6-0)²] = √[64+36] = √100 = 10.

For point C to be equidistant from the x-axis and the y-axis, its coordinates must be the same. Substituting y=x into the equation of the line gives 3x + 4x = 24, or x=3. So the coordinates of C are (3,3).

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Deandre bought 9 pounds of rice for $5 . How many pounds of rice did he get per dollar?

Answers

For this problem, divide the 5 by 9. You get 5/9 as a fraction. This should be your answer, please mark brainiest if it helps. :D
To solve this divide 9 by 5 so 9/5 =  1.8 So he got 1.8 pounds per dollar

The ratio of Isabella's money to Shane's money is 3:11. If Isabella has $33, how much money do Shane and Isabella have together? Use diagrams to illustrate your answer.

Answers

If Isabella has 33, we multiply that by 11/3 (the inverse of 3/11 as you multiply Shane's by 3/11 to get Isabella's) to get 99

MATH HELP

Match the expression to the product

Expressions: 3 x (-4/10), -3 x (-4/10), -2 x (8/9), 2 x (8/9)

Products: -1 1/5, 1 7/9, 1 1/5, -1 7/9.

Answers

3 x (-4/10)     =    - 1   1/5

-3 x (-4/10)    =      1  1/5
 
-2 x (8/9)  =  - 1  7/9

2 x (8/9)  =  1   7/9

select two answers please!!!!!

Answers

Expanding using the distributive property, we get (x-5)*(x-5)=x^2-5x-5x+25=x^2-10x+25. Multiplying that by -6, we get -6x^2+60x-150 . We then add 12 at the end to get -6x^2+60x-138. Using the quadratic formula (since we want the function to equal 0 to find the zeros), we get x=(-60+-sqrt(3600-3312))/(-6*2)=(-60+-sqrt(288))/-12. For sqrt(288), since 12^2=144 and 144*2=288, we can rewrite it as 12*sqrt(2). Putting that back in, we get
(-60+-(12*sqrt(2))/-12. Factoring it out, we get -5+-sqrt(2)=-5+sqrt(2) or -5-sqrt(2) which is C

Twice the difference of a number and 5 is 2.
Use the variable W for the unknown number

Answers

Hey there!

The difference of a number, w, and 5 will be represented by (w – 5). Twice this would simply multiply this expression by 2, making it 2(w – 5). Finally, just set this expression equal to 2. Your equation is 2(w – 5) = 2. 

To solve this, expand the two to the terms in parentheses. Then, solve the rest of the way as you would normally, using addition, subtraction, multiplication, or division to cancel out and move around terms. Remember, what you do on one side must be done to the other!

2(w – 5) = 2
(2*w – 2*5) = 2
(2w – 10) + 10 = (2) + 10
(2w) ÷ 2 = (12) ÷ 2
w = 6

Hope this helped you out! :-)
Final answer:

By converting the verbal statement into an algebraic equation, we establish that the variable W, which represents the unknown number, is 6.

Explanation:

The question involves an algebraic expression, and it can be solved by first translating the verbal statement into an equation. Here, we're told that twice the difference of a number and 5 is 2, with the variable W representing the unknown number. The equation would therefore look like this: 2(W - 5) = 2.

To isolate W, next you divide each side by 2 yielding: W - 5 = 1.

Finally, to get W on its own, simply add 5 to both sides of the equation to get: W = 1 + 5, so W = 6.

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Write the equation in standard form using integers.
y=4x+9

Answers

y=4x+9 Start with the given equation

1y-4x=4x+9-4x Subtract 4x from both sides

-4x+1y=9 Simplify

-1*(-4x+1y)= -1 *(9)  Multiply both sides by -1 to make the A coefficient positive (note: this step may be optional; it will depend on your teacher and/or textbook)

4x-1y=-9 Distribute and simplify

The original equation y=4x+9 (slope-intercept form) is equivalent to 4x-1y=-9 (standard form where A > 0)

The equation 4x-1y=-9 is in the form Ax+By=C where A=4, B=-1 and C=-9
Final answer:

To convert the equation y = 4x + 9 to standard form, you subtract 4x from both sides to get -4x + y = 9, and then multiply by -1 to obtain 4x - y = -9, which is in the standard form with A, B, and C as integers.

Explanation:

To write the equation y = 4x + 9 in standard form using integers, we need to rearrange the equation so that it has the form Ax + By = C, where A, B, and C are integers, and A should be non-negative. Let's perform the transformation step by step:

Start with the given equation: y = 4x + 9.Subtract 4x from both sides of the equation to move the term with the variable x to the left side: -4x + y = 9.To ensure that the coefficient for x is non-negative, we can multiply the entire equation by -1 to get: 4x - y = -9, which is now in standard form with A = 4, B = -1, and C = -9.

In the process of constructing a table or plotting points, you would select values for x, calculate the corresponding y values, and then plot these values on a graph to visualize the line as described in Table A1 and Figure A1. Additionally, understanding that equations like 7y = 6x + 8, 4y = 8, and y + 7 = 3x are all linear equations, and understanding the relationship between independent and dependent variables, such as the year and the number of flu cases, is important in the context of mathematics and linear equations.

The arctic lion's Mane Jellyfish is one of the largest known animals. Its tentacles can be as long as 120 feet. Find how this length compares to your height. Round your height to the nearest foot. 120 feet is time as long as feet.

Answers

it s 10 times as long as 12 feet

Answer:

sea creature is 20 times more long as compared to me.

Step-by-step explanation:

If my height is 6 feet and the length of arctic jellyfish is 120 feet then i have to compare my length with the length of the jellyfish.

[tex]\frac{\text{Length of jellyfish}}{\text{My length}}=\frac{120}{6}[/tex]

[tex]\frac{\text{Length of jellyfish}}{\text{My length}}=20[/tex]

Length of jellyfish = 20 times (my height)

The the sea creature is 20 times more long as compared to me.

7x2 + 7y2 − 28x + 42y − 35 = 0. in standard form

Answers

Answer:

[tex](x-2)^2+(y+3)^2=18[/tex]

Step-by-step explanation:

This is a circle.  It already is in standard form, so maybe you mean work form?  I'll go with that, since there's nowhere else to go!

Let's group the x terms together and the y terms together and move the constant to the other side of the equals sign first.

[tex]7x^2-28x+7y^2+42y=35[/tex]

In the world of conics, this is a circle because the leading coefficients on the x-squared term and y-squared term are the same, namely 7.

But if we are going to get this into its graphing form, or work form, we need that 7 to be a 1.  We are going to complete the square on both the x terms and the y terms.  First we factor out the 7 from both x and y:

[tex]7(x^2-4x)+7(y^2+6y)=35[/tex]

The rules for completing the square are as follows:

Take half the linear term, square it, and add it to both sides, keeping in mind the 7 you factored out as a multiplier.

Our linear term in the first set of parenthesis is 4 (from the -4x).  Half of 4 is 2, and 2 squared is 4.  We add a 4 into the parenthesis, but multiplying in the 7 has us actually adding in a 28.

Our linear term in the second set of parenthesis is a  (from 6y).  Half of 6 is 3, and 3 squared is 9.  We add a 9 into the parenthesis, but multiplying in the 7 has us actually adding in a 63.  Now here is what we have done thus far:

[tex]7(x^2-4x+4)+7(y^2+6y+9)=35+28+63[/tex]

We have, in the process of completing the square, created 2 perfect square binomials on the left.  That's why we do this...to get those perfect square binomials.  Stating those on the left and adding on the right breaks down our equation into work form.  Well, almost.

[tex]7(x-2)^2+7(y+3)^2=126[/tex]

Actual work form has us divide both sides by 7 to get the final answer of

[tex](x-2)^2+(y+3)^2=18[/tex]

And there you are!

Suppose that a subset of 4 balls will be randomly selected from a collection of 4 amber balls, 4 blue balls,4 copper balls, and 4 green balls (so 16 balls in all). what is the probability that exactly two of the colorswill be present (and exactly two of the colors will be absent) in the set of randomly selected balls

Answers

16% can be fonud..............................................................

                                                                    Im not sure


You and two friends pay $40 for tickets. The cost was divided 3 ways in the ratio 1 : 3 : 6. How much did each person pay?

Answers

Total units= 1+3+6
                =10
10 units= $40
1unit= $40/10
        = $4
Person 1= $4 x 1
              = $4
Person 2= $4 x 3
               = $12
Person 3=$4 x 6
               =$24

in a frog hopping contest,leaping louie finished one Leap ahead of able Mable able Mable was not in last place muddy buddy finish 7 Leaves ahead of hopping Henry hopping Henry finish three leaves behind leapin Louie's leapin Louie finished five leaves behind Dynamite Dixie who won the contest

Answers

Dynamite Dixie won.

- Dynamite Dixie
- Muddy Buddy
-
-
-
- Leaping Louie
- Able Mable
-
- Hopping Henry

If 3x - 1 = 11, what is the value of x2 + x?

Answers

Okay. 3x - 1 is 11. Add 1 to both sides and you'll get 3x = 12. Divide both sides by 3, and you'll get x = 4. In this case, the problem will be written out as 4 * 2 + 4. Do order of operations. For this problem, we multiply first. 4 * 2 is 8. Next, we add. 8 + 4 = 12. The value of x2 + x is 12.

The value of x² + x will be 20 when 3x - 1 = 11 .

Given, equation : 3x - 1 = 11

Firstly find the value of x from the equation .

Equation : 3x - 1 = 11

3x = 11 + 1

3x = 12

x = 4

Substitute x in x² + x .

= (4)² + 4

= 20

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If m angle abf=7b-24 and m angle abe=2b find m angle ebf

Answers

angle ABE is equivalent to the whole angle, and it measures 2b. 
while the angle ABF is only a portion of angle ABE, and it measure 7b - 24. 

since we know the measure of the whole angle and a part of the angle, we can then subtract to find the left over angle (angle EBF), so

Angle EBF = Angle ABE - Angle ABF 

Angle EBF = 2b – (7b – 24)

Angle EBF = 24 – 5b

find the difference. k-5/k^2-9k+20

Answers

Assuming you mean find the quotient

Factor the denominator
(k-4)(k-5)

Then divide the numerator by denominator, cancelling (k-5) out.
(k-5)/((k-4)(k-5))

Final answer: k-4

william won 50 tickets at the arcade. he redeemed 30 tickets for a prize and gave 5 tickets to ketelyn. which expression can william use to find how many tickets he has left

Answers

Hello!

If William originally won 50 tickets, redeemed 30, and gave 5 to his friend, the expression that represents how many tickets he has left is:

50-30-5

If you are looking for how many tickets William has left, you simply need to solve the expression:
50-30-5 = 15

I hope this helps you! Have a great day!

Find f(–4) for f(x) = 9(3)x.

Answers

subsitute -4 for x
remember that [tex]x^{-m}=\frac{1}{x^m}[/tex]

so
for x=-4
[tex]f(-4)=9(3)^{-4}[/tex]
[tex]f(-4)=9(\frac{1}{3^4})[/tex]
[tex]f(-4)=9(\frac{1}{81})[/tex]
[tex]f(-4)=\frac{9}{81}[/tex]
[tex]f(-4)=\frac{1}{9}[/tex]
answer is A

Answer:

1/9

Step-by-step explanation:

Let’s assume that one drop is equal to 50 µl. a total of 2366 drops will fill how many tablespoons?

Answers

First, we have to set the volume in 1 tablespoon. It actually depends on the country you're living. In USA, 1 tablespoon is approximately 14.8 ml. In microliters, that is equal to 14,800 μL. Thus,

Volume of the liquid = 50 μL/drop * 2366 drops = 118,300 μL
Therefore, that is equivalent to
Number of tablespoons = 118,300 μL/14,800 μL = 7.99924 or approximately 8 tablespoons

Two years ago, Ben borrowed $150 from his brother to buy a CD player. He agreed to pay $15 in interest. What is the simple annual interest rate for this loan?

Answers

[tex]\bf \qquad \textit{Simple Interest Earned}\\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\to &\$15\\ P=\textit{original amount deposited}\to& \$150\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\to &2 \end{cases} \\\\\\ 15=150\cdot r\cdot 2\implies \cfrac{15}{150\cdot 2}=r\implies \cfrac{1}{10}=r \\\\\\ r\cdot 100\implies \stackrel{\%}{10}[/tex]

Answer:

The simple annual interest rate is 5 %.

Step-by-step explanation:

Simple interest formula is,

[tex]I=\frac{P\times r\times t}{100}[/tex]

Where, P is the principal amount,

r is the rate per period,

t is the number of periods,

Here, P = $ 150,

I = $ 15,

t = 2 years,

By substituting the values,

[tex]15=\frac{150\times r\times 2}{100}[/tex]

[tex]15=\frac{300r}{100}[/tex]

[tex]15=3r[/tex]

[tex]\implies r = 5\%[/tex]

Hence, the simple annual interest rate is 5 %.

Klara bought a dozen bags of bird food for $27. Use compatible numbers to find the approximate cost of six dozen bags of bird food

Answers

Since she needs 6, it will be 6 times the price:

27 × 6 = $162

Hope this helped! 

Answer:

The cost of six dozen bags of bird food is $162.

Step-by-step explanation:

Consider the provided information.

Klara bought a dozen bags of bird food for $27.

The above information can be written as:

1 dozen = $27

Multiply both the sides by 6.

1×6 dozen = $27×6

6 dozen = $162

Hence, the cost of six dozen bags of bird food is $162.

You are taking a​ multiple-choice test that has 44 questions. each of the questions has 55 answer​ choices, with one correct answer per question. if you select one of these choices for each question and leave nothing​ blank, in how many ways can you answer the​ questions?

Answers

Since there are 55 choices, we have to have 55 options, and for 44 questions, we multiply how many options there are in 1 question by 44 to get 55*44=2420

Sam Taylor earns 6 1/2% commission on sales of $4,226 as an advertising agent. What is his commission?

Answers

first convert 6.5% into a decimal and get .065

next multiply 4226 by .065 to find 6.5% of $4226 to find Sam's commission

4226 times .065=274.69

answer: $274.69 is Sam's commission

The commission of Sam Taylor as an advertising agency will be $274.69.

What is the percentage?

The quantity of anything is stated as though it were a fraction of a hundred. A quarter of 100 can be used to express the ratio. Per 100 is what the term percent signifies. The symbol ‘%’ is used to symbolize it.

The percentage is given as,

Percentage (P) = [Initial value - Final value] / Initial value x 100

Sam Taylor earns a 6 1/2% commission on sales of $4,226 as an advertising agent.

Then the commission of Sam Taylor as an advertising agency will be

P = (6 1/2%) x $4,226

P = 6.5% x $4,226

P = 0.065 x $4,226

P = $274.69

The commission of Sam Taylor as an advertising agency will be $274.69.

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Luke puts $35 in his savings account every month. Use a calculator to find how much money he will save in a year.

Answers

420.00 that's how much he would have saved in a year

2/9 of the people on the restaurant are adults. If there are 95 more children than adults, how many children are there in the restaurant? Please give a simple explanation, with why you did each, Thanks!

Answers


let's call the children "c" and the adults "a"

the total # of people in the restaurant = c+a
so 2/9 of (c+a) = a

therefore 2/9c + 2/9a = a
and a + 95 = c since there are 95 MORE children.

Let's substitute a+95 for c in the equation 2/9(c+a) = a
this gives us 2/9(a+95 + a) = a
then 2/9 a + 2/9(95) + 2/9(a) = a
so 4/9a +190/9 = a
and 190/9 = 5/9 a
so 190 must = 5a
finally a = 38 so c must = 38 + 95 = 133 there are 133 children

Me.kirk drove 164 miles in the morning and 219 miles in the afternoon. Estimate the total number of miles she drove that day

Answers

Estimate by rounding both numbers to the nearest ten.

164 rounds to 160.
219 rounds to 220.

160+220=380

Final answer: 380
There are multiple ways in which to come up with an answer here, depending upon the degree of accuracy you want in your estimate.

You could represent 164 by 160 and 219 by 220, to the nearest 10s place.
Then your estimate of the sum of 164 and 219 would be 160 + 220, or 380.

You could also round off 164 to 200 and 219 to 200.  The resultant sum would then be 400, which is close to 380.


How do you solve -5+-3?

Answers

- 5 + -3 = -8

hope this helps


when a negative number adds a negative number, it will be negative

when a negative number adds a positive number, whichever number (either positive or negative) take the sign of the bigger one

For example:

-4 + 3 = -1

-5 + 10 = 5



hope this helps
Hello there!

In order to solve integers we would need a number with both, positives and negatives 

Remember this method it MIGHT help you out with your assignments like these

[tex]negative + negative = positive \\ \\ positive + negative = negative \\ \\ positive + positive = positive \\ \\ negative + positive = negative [/tex]


We have [tex]two [/tex]    [tex]negatives [/tex] in this problem, so this means our answer would be a [tex]positive/negative [/tex] result 

So, [tex]-5 + -3 = -8 [/tex]

Therefore your [tex]answer[/tex] would be: [tex]-8[/tex]

Good luck on your assignment and enjoy your day/night

~[tex]MeIsKaitlyn:)[/tex]
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