MATHEMATICS HIGH SCHOOL

mrs susan bought 1/8 8m of curtain choth she used 3/5 m to make a curtain for the living room window how many meters of choth we're not use

Answers

Answer 1

Answer:

Answer:

$(19)/(40)$

Step-by-step explanation:

The computation of the meters of cloth that were not use is shown below:

= Used for making a curtain - purchase of curtain cloth

$= (3)/(5) - (1)/(8)\n\n= (24 - 5)/(40) \n\n= (19)/(40)$

Hence, the meters of cloth that was not used is $(19)/(40)$

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If y − 3 = 3x, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?A. {(0, 3), (1, 6), (2, 9)}
B. {(3, 0), (6, 1), (9, 2)}
C. {(1, 3), (2, 6), (3, 9)}
D. {(3, 1), (6, 2), (9, 3)}

Answers

B. {(3, 0), (6, 1), (9, 2)}

Answer:Ithink its A

Step-by-step explanation:

Your record bicycle pace along a favorite trail is 16 mph. On a recent ride, you traveled the 25 mile route in a time of 90 minutes. What was your average speed? Did it break your record pace?

Answers

Remember that d = rt or distance = rate times time. You want your answer in miles per hour so convert 90 minutes to 1.5 hours. Now plug in your values:
25mi = r*1.5hrs.
r = 25/1.5 = 16.667mph.

This is greater than 16mph so you did break your record pace.

Answer:

You did break your pace. You were able to travle about .7 miles per hour faster.

Step-by-step explanation:

Speed: Distance/time

Speed: 25/90

Speed: 16.6667 miles per hour

Speed: 16.7

Which fraction is equal to 0.4 repeating

Answers

The fraction equal to 0.4 repeating is 4/9.

The fraction equal to 0.4 repeating can be determined by converting the repeating decimal into a fraction form.

We denote the repeating decimal as x. To eliminate the repeating part, we multiply both sides of the equation by a power of 10 that is equal to the number of repeating digits.

In this case, multiplying by 10 will be enough.

10x = 4.44444...

Now, subtracting x from both sides, we have:

10x - x = (4.44444...) - (0.44444...)

9x = 4

Dividing both sides by 9:

x = 4/9

Therefore, the required fraction is 4/9.

Learn more about Fraction here

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four over nine
x=0.44444
10x = 4.44444
10x-1x = 4
9x = 4
x = 4/9

35, 0.68, 0.20, 0.31 ordered greatest to least

Answers

0.20, 0.31, 0.68, 35.0

Which binomial must be added to (4r+10) so that the sum of the two polynomials is (6r-2) ?

Answers

Answer: 2r-12

Step-by-step explanation:

(4r+10)+____=(6r-2)

_____=(6r-2)-(4r+10)

_____=6r-2-4r-10

_____=2r-12

A student is trying to solve the set of two equations given below:Equation A: x + z = 6
Equation B: 2x + 3z = 1

Which of the following is a possible step used in eliminating the z-term? (5 points)

Multiply equation B by 3.
Multiply equation A by 2.
Multiply equation B by 2.
Multiply equation A by –3.

Answers

Equation A : x + z = 6
Equation B : 2x + 3z = 1

Possible step used in eliminating in z-term.

Multiply equation A by -3.

-3(x +z) = -3(6)
-3x - 3z = -18

-3x - 3z = -18
2x + 3z = 1
-x = -17
÷ -1 ÷ -1
x = 17

Answer:

x=17 other answer expert verified (sniff, sniff) breaks out in tears

(bad joke)

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Melinda, a carpet installer, brings 270 square feet of carpet padding on an installation job. After the job is finished, she has 1⁄5 of the carpet padding left over. How many square feet of carpet padding did Melinda use? A. 230B. 54C. 216D. 244

Trig help (Problems already solved)?The calculation for the problems are already done but I have to list a reason or what is being done in each step. "Each = and newline made" means a place I have to write what is being done in the calculation. 1. (secx + sinx)cotx = cscx + cosx =(secx + sinx)cotx = cscx + cosx =(1 / sinx) + cosx =cscx + cosx 2. cosx + tanx sinx = secx =cosx + tanx sinx = cosx + (sinx / cosx)sinx =cosx + (sin^2x / cosx) = (1 / cosx)(cos^2x + sin^2x) =1 / cosx =secx 3. cscx - cosx cotx = sinx =cscx - cosx cotx = (1 / sinx) - cosx(cosx / sinx) =(1 / sinx) - (cos^2x / sinx) =(1 - cos^2x) / sinx =sin^2x / sinx = sinx 4. (cosx / (1 + cosx)) + (cosx / (1 - cosx)) = 2cotx cscx =(cosx / (1 + cosx)) + (cosx / (1 - cosx)) = ((cosx (1 - cosx) + cosx (1 + cosx))) / (1 + cosx)(1 - cosx) =(cosx - cos^2x + cosx + cos^2x) / (1 - cos^2x) =2cosx / sin^2x =2(cosx / sinx)(1 / sinx) = 2cotx cscx Thank you to whoever decides to help me with explaining what is happening on each line.

I am confused on this , I’ve tried twice and got it wrong.

Please solve the equation below.2x+4=3(x-4)