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Ratling [72]
3 years ago
7

ORDERING REAL NUMBERS

Mathematics
2 answers:
Bess [88]3 years ago
4 0
3/25, 0.1, -√86, -9.34
grigory [225]3 years ago
3 0
3/25 = 0.12
-√86 = -9.27

Least to greatest: -9.34, -√86, 0.1, 0.12
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Carrie has 2 meters of ribbon. She cuts off pieces of ribbon that are 5/10 meter, 1/10 meter, and 7/10 meter. How long is the re
vekshin1

Answer:

\frac{7}{10}

Step-by-step explanation:

Carrie has 2 meters of ribbon. She cuts off pieces of ribbon that are 5/10 meter, 1/10 meter, and 7/10 meter

Lets add all the cut of pieces and subtract it from 2 meters

\frac{5}{10} +\frac{1}{10}+\frac{7}{10}=\frac{13}{10}

Now we subtract 13/10 from 2 meters

2 - \frac{13}{10}

To subtract , make the denominator same

\frac{2*10}{1*10} - \frac{13}{10}=\frac{20}{10} - \frac{13}{10}=\frac{7}{10}

7/10 meter is the remaining piece of ribbon

8 0
3 years ago
Sally can detail a car in 50 minutes. Manny does the same job in 35 minutes. How long will it take them to detail a car working
Debora [2.8K]

<u>Answer:</u>

Both Sally ans Manny can detail a car in 20.6 min.

<u>Solution: </u>

Let us assume that together they will take total x minutes to detail the car.

Sally detail the car in 50 min.

So in 1 min sally can detail \left(\frac{1}{50}\right) of the car.

Hence in x min sally can detail \left(\frac{x}{50}\right) of the car.

Manny can detail a car in 35 min.

So in 1 min many can detail \left(\frac{1}{35}\right) of the car.

Hence in x min Manny can detail \left(\frac{x}{35}\right) of the car.

So we can say,

\left(\frac{x}{50}\right)+\left(\frac{x}{35}\right)=1

x\left(\frac{1}{50}+\frac{1}{35}\right)=1

x\left(\frac{7+10}{350}\right)=1

\left(\frac{17 x}{350}\right)=1

17 x=350

x=\left(\frac{350}{17}\right)=20.5 8\approx 20.6

So, both of them can detail a car in 20.6 min.

3 0
3 years ago
Examine the following graph of y=−3x+7.
likoan [24]
Y=7
X=-3
The following graph
8 0
3 years ago
90% on a test. If he answered 135 questions correctly, how many questions were on the test?
USPshnik [31]

Answer:

150

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
There is a sales tax of $20 on an item that costs $128 before tax. The sales tax on a second item is $6.75 . How much does the s
Kazeer [188]

$20/128 = 6.75/x

using cross products

20x=128*6.75

divide by 20

x =43.20

8 0
3 years ago
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