(5/6 X 5/4) / 4/3 I need an answer to this math question please

QUESTION POSTED AT 03/12/2019 - 12:33 PM

Answered by admin AT 03/12/2019 - 12:33 PM

5/6*5/4 is 25/24.  (25/24)/(4/3) is equal to 75/96, which simplifies to 25/32.
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Can someone help me with my question

Answer=8.6c+13

Meg earns $5.40 per car and $5 in tips. Given the information, Meg's earnings can be shown in the expression '5.40c+5'

Rich earned 3.20 per car and $8 in tips. Given the information, Rich's earnings can be shown with the expression '3.20c+8'

Now lets put the expressions together to see how much they made all together...

5.40c+5+3.20c+8
add 5.40c and 3.20c
8.60c+5+8
add 5 and 8
8.60c+13
or
8.6c+13




ANSWERED AT 14/12/2019 - 06:12 PM


QUESTION POSTED AT 14/12/2019 - 06:12 PM

I will thank and badge if you can answer this question for me!!!A vector u has initial point (−2, 1) and terminal point (3, 5). Write u in the form u=ai+bj.

You simply subtract from the coordinates of the terminal point to the coordinates of the initial point.
The x-coordinate is represented the unit vector i and the y-coordinate is for unit vector j. So,
vector u = (-2 - 3)i + (1 - 5)j = -5i - 4j

ANSWERED AT 14/12/2019 - 06:10 PM


QUESTION POSTED AT 14/12/2019 - 06:10 PM

Please help me with these questions!!! I really need help :)

Rectangular prism
V = 12*8*4 = 384 in^3

Triangular prism
V = 0.5*3*15*16 = 360 ft^3

ANSWERED AT 14/12/2019 - 06:05 PM


QUESTION POSTED AT 14/12/2019 - 06:05 PM

Please help me answer this ASAP! The two-way table shows the number of ninth and tenth graders who prefer going to sporting events or going to the movies. Among tenth graders, what is the relative frequency of preferring sporting events? Express your answer as a decimal, and round to the nearest hundredth if necessary

Answer

0.43

Explanation

Remember that RelativeFrecuency=\frac{Frecuency}{SumOfAllFrecuencies}

Since the problem is telling us "Among tenth graders", we must focus on the 10th graders row only. From the row, we can infer that the frequency is the number of 10th graders who prefer going to sporting events, so Frecuency=6. Now, the sum of all frequencies will be the sum of all the 10th graders, so SumOfAllFrecuencies=6+8=14. Let's replace the values:

RelativeFrecuency=\frac{Frecuency}{SumOfAllFrecuencies}

RelativeFrecuency=\frac{6}{14}

RelativeFrecuency=0.4285

And rounded to the nearest hundredth:

RelativeFrecuency=0.43

ANSWERED AT 14/12/2019 - 06:03 PM


QUESTION POSTED AT 14/12/2019 - 06:03 PM

Identify the arc length of TV in terms of π. (image is attached) The answers for this question were: ≈0.67pi in., ≈1.83pi in., ≈3.67pi in., or ≈1.33pi in.

Use the formula of arc length that is
s = rθ
where s = arc length, r = radius, θ = angle (unit must be in radian)
Given r = 5 in and θ = 48°( π /180°) = (4/15)* π = 0.2667 π,
s = 5 in (0.2667π) = 1.333 π in

ANSWERED AT 14/12/2019 - 05:50 PM


QUESTION POSTED AT 14/12/2019 - 05:50 PM

A merry-go-round has a radius of 10 ft. To the nearest tenth of a foot, what distance does the merry-go-round cover when it rotates through an angle of 72°? For my first try, I got 62.9 as my answer, and it was marked wrong. I did this a second time, and got 12.6. I would like to check with anyone else to see if I got the answer right. The answers for this question were: 62.9, 12.6, 25.1, or 125.7

Yes, the correct answer is 12.6 ft.

Using the formula of arc length, that is
s = rθ
where s = arc length, r = radius, θ = angle (unit must be in radian)
With r = 10 ft and θ = 72 deg ( π/180 deg) = 1.26 rad,
s = (10)(1.26) = 12.6 ft

ANSWERED AT 14/12/2019 - 05:50 PM


QUESTION POSTED AT 14/12/2019 - 05:50 PM

Susan is creating a solution. A formula for the solution calls for 7/10 mL of water. Susan wants to make 2/7 less of the solution than the formula creates. How much water should Susan use? Express your answer as a fraction in simplest form.

Susan wants 2/7 less of the solution. The whole solution is equivalent to 1. So she wants the amount: 1 - 2/7 = 5/7 mL.
She takes 5/7 mL of 7/10 mL.
Therefore (5/7)*(7/10) = 35/70 = 1/2 mL

ANSWERED AT 14/12/2019 - 05:49 PM


QUESTION POSTED AT 14/12/2019 - 05:49 PM

3 ÷ 5⁄8 = (Write the answer as a fraction)

3/ (5/8)
= 3* (8/5)
= 24/5

The final answer is 24/5~

ANSWERED AT 14/12/2019 - 05:47 PM


QUESTION POSTED AT 14/12/2019 - 05:47 PM

Jack crawled 3 ft and Christine crawled 3⁄4 the distance Jack crawled. If you add the distance they each crawled together, what is the total distance the two children crawled. (Write the answer in inches.)

Christine crawled:
3 ft* (3/4)= 2.25 ft.

3 ft+ 2.25 ft= 5.25 ft

We already know that 1 ft= 12 in.

5.25 ft* (12in/ 1 ft)= 63 in.

The total distance the two children crawled together is 63 in~

ANSWERED AT 14/12/2019 - 05:47 PM


QUESTION POSTED AT 14/12/2019 - 05:47 PM

How do write the integer to the question, which is greater, 2 or -13?

Because 2 is positive and -13 is negative, and positive numbers are always greater than negative numbers, 2 is greater than -13~

ANSWERED AT 14/12/2019 - 05:36 PM


QUESTION POSTED AT 14/12/2019 - 05:36 PM

0.2X0.8 what's the answer

If you muliply 0.2and 0.8 it equals 0.16

ANSWERED AT 14/12/2019 - 05:26 PM


QUESTION POSTED AT 14/12/2019 - 05:26 PM

PLEASE HELP : Math middle school how to make fractions into decimals -4 4/25

-(4+4/25)

= -(4+16/100)

=-(4.00 + 0.16)

= -4.16

ANSWERED AT 14/12/2019 - 05:24 PM


QUESTION POSTED AT 14/12/2019 - 05:24 PM

How do you write 10x 10 x 10 x10 using exponents SHOW YOUR WORK WILE ANSWERING THIS QUESTION

The way you write 10x10x10x10 using exponents. The way you use exponents is by counting the numbers of 10 there are since there is four you have to put 10 with a little number four on the top next to the number. Just in case that way you say it is 10 to the fourth power

ANSWERED AT 14/12/2019 - 05:21 PM


QUESTION POSTED AT 14/12/2019 - 05:21 PM

8 5/10-7 5/12= What's the answer

8 \frac{5}{10} -7 \frac{5}{12} \\ \\ 8 \frac{1}{2} -7 \frac{5}{12} \\ \\  \frac{8 \times 2 + 1}{2} - 7 \frac{5}{12} \\ \\  \frac{16+1}{2} - 7 \frac{5}{12} \\ \\  \frac{17}{2} -  7\frac{5}{12} \\ \\  \frac{17}{2} -  \frac{84+5}{12} \\ \\  \frac{17}{2} -  \frac{89}{12} \\ \\ LCD = 12 \\ \\  \frac{17 \times 6}{2 \times 6} -  \frac{89}{12} \\ \\  \frac{102}{12} -  \frac{89}{12} \\ \\  \frac{102-89}{12} \\ \\  \frac{13}{12} \\ \\  1\frac{1}{12} \\ \\ Answer: \fbox {1 1/12} \ or \ \fbox {1.0833}

ANSWERED AT 14/12/2019 - 05:16 PM


QUESTION POSTED AT 14/12/2019 - 05:16 PM

What is the answer to 7/12 - 2/3 =

 \frac{7}{12} - \frac{2}{3} \\ \\ LCD = 12 \\ \\  \frac{7}{12} -  \frac{2 \times 4}{3 \times 4} \\ \\  \frac{7}{12} - \frac{8}{12} \\ \\  \frac{7 - 8}{12} \\ \\ - \frac{1}{12} \\ \\ Answer: \fbox {-1/12} / or / \fbox {-0.0833}

ANSWERED AT 14/12/2019 - 05:15 PM


QUESTION POSTED AT 14/12/2019 - 05:15 PM

What are 2 answers that can equal 49 in multiplication

48+1 and 39+9 they both equal 49

ANSWERED AT 14/12/2019 - 05:13 PM


QUESTION POSTED AT 14/12/2019 - 05:13 PM

Explain why corinas answers is not respond able to 62x22

Sorry about your answer i dont quite get it but the answer to your question is 1364

ANSWERED AT 14/12/2019 - 05:05 PM


QUESTION POSTED AT 14/12/2019 - 05:05 PM

Please help with these math questions

There are several ways to solve this. I would use substitution. to do that you want to get the X in the bottom equation by itself. after that substitute that new equation for the x in 2x. so it would look like 2(new equation). solve that then you will find y. do the exact same thing to y to find x. if you're still confused, ask me.

ANSWERED AT 14/12/2019 - 05:04 PM


QUESTION POSTED AT 14/12/2019 - 05:04 PM

On a test, 1 point is given for each correct answer and 1 point is deducted for each incorrect answer. On the test Harold answered 34 items correctly and 6 items incorrectly. What two numbers can be used to find Harold's total score

Forgive me if I'm wrong, but here goes:

On Harold's test, he scores 34 points for his correct answers, and -6 points for incorrect answers. He would have gotten 28 points, but that's not the question.

34 is the first number, and I believe the next one is -6. 
6 is negative because 1 point is deducted for each incorrect answer, which also means 1 point is subtracted for every incorrect answer. Because the question is asking for numbers and not an equation or expression, the subtraction is expressed as a negative symbol, hence negative six.

Hope I helped!

ANSWERED AT 14/12/2019 - 04:57 PM


QUESTION POSTED AT 14/12/2019 - 04:57 PM

What are extremes in math with an example so I can understand it better?

Y=x2 the extreme would be x=0

ANSWERED AT 14/12/2019 - 04:43 PM


QUESTION POSTED AT 14/12/2019 - 04:43 PM

How many meters are equivalent to 7,200 yards round your answer to the nearest hundreth if necessary

We already know that 1 yd= 0.9144 m

7,200 yd* (0.9144 m/ 1 yd)= 6,583.68 m.

Rounded to the nearest hundredth, the final answer is 6,583.68 m.

ANSWERED AT 14/12/2019 - 04:36 PM


QUESTION POSTED AT 14/12/2019 - 04:36 PM

After the price of petroleum oil went up by 10%, a consumer reduced his oil consumption by the same percent. By what percent would his petroleum bill be changed? THE ANSWER IS NOT 10%.

Let's assign some random values to it, and say 1 unit of petroleum costs 100 bitcoins, because we all know bitcoins are the best currency :P

If the price goes up by 10%, it is now 100*1.1 = 110bitcoins for 1 unit.

However he's only getting 0.9 units now, so multiplying 110 by 0.9 gives us 99 bitcoins. His petroleum bill used to be 100 (which is why I picked 100 as it's easier), and now it is 99. Therefore his petroleum bill has reduced by 1%

ANSWERED AT 14/12/2019 - 04:35 PM


QUESTION POSTED AT 14/12/2019 - 04:35 PM

Assume that all chickens have 3290 feathers . If it takes you 2.6 seconds to pluck 83.6 feathers , how many hours would it take you to defeat her 7256 chickens ? Answer in units of hours . If you can help me before 2 hours pass I will be so happy ! Thanks ,

7256chickens * 3290feather per chicken=23,872,240 feathers that you need to pluck. 
23,872,240feathers*2.6seconds/83.6feathers*1hour/3600seconds

Solve to get 

206.23 hours

ANSWERED AT 14/12/2019 - 04:23 PM


QUESTION POSTED AT 14/12/2019 - 04:23 PM

What is the solution to the equation? 4x - 26 - 3x = 16 - 20 (I got my answer as 22, and that was correct, but I had completely forgotten how I did it. Help please)

Question:  4x - 26 - 3x = 16 - 20

Answer and Explanation:- 

First, we combine like terms.

4x - 3x = x

Now, rewrite the equation.

x - 26 = 16 - 20

16 - 20 = -4

x - 26 = -4
  
Apply the inverse operation.

x - 26 = -4
   +26    +26

x = 22

Final answer: x equals 22, so the solution is 22.

ANSWERED AT 14/12/2019 - 04:20 PM


QUESTION POSTED AT 14/12/2019 - 04:20 PM