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Paha777 [63]
4 years ago
9

Identify the number of decimal places in each factor. 0.47 × 3.2 The number of decimal places in 0.47 is . The number of decimal

places in 3.2 is . The number of decimal places in the product will be the sum of the factors’ decimal places. So the product will have decimal places. HURRY PLEASE!!!!!!!!!
Mathematics
1 answer:
nignag [31]4 years ago
5 0

Answer:

2, 1, 3

Step-by-step explanation:

correct on edg

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What are the solutions of the equation 9x4 – 2x2 – 7 = 0? Use u substitution to solve.
Debora [2.8K]

Answer:

the answer is 25

Step-by-step explanation:

and you get it by multiplying 9×4 keep the answer on paper then do 2×2 which is 4 subtract the two answers and subtract 7 and then you get 25, your welcome

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Scores on the Critical Reading portion of the SAT college entrance test in a recent year were roughly Normal with mean 496 and s
Sliva [168]

Answer:

C. 115 / square of 100 = 11.5

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

\sigma = 115, n = 100. So

s = \frac{115}{\sqrt{100}} = 11.5

So the correct answer is:

C. 115 / square of 100 = 11.5

5 0
3 years ago
I need help completing this problem ASAP
prisoha [69]

Answer:

4\sqrt{5}

Step-by-step explanation:

Prime factorize 20 and 45

\sqrt{20}=\sqrt{2*2*5}=2\sqrt{5}\\\\\\\sqrt{45}= \sqrt{5*3*3}=3\sqrt{5}

\sqrt{20}-\sqrt{5}+\sqrt{45}=2\sqrt{5}-\sqrt{5}+3\sqrt{5}

                           =(2-1+3)\sqrt{5}\\\\\\= 4\sqrt{5}\\

4 0
3 years ago
A farmer buys a tractor for rs.70000 and after using it for some time, he sells it at a loss of 5% to another farmer. He also se
Vedmedyk [2.9K]
  • Total loss %=10+5=15%

  • CP=70000
  • loss%=15%

Now

Loss:-

\\ \sf\longmapsto 15\%\:of\:70000

\\ \sf\longmapsto \dfrac{15}{100}(70000)

\\ \sf\longmapsto 10500

Again

\\ \sf\longmapsto SP=CP-Loss

\\ \sf\longmapsto SP=70000-10500

\\ \sf\longmapsto SP=59500

Third farmer will pay 59500

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3 years ago
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What is the volume of the come with radius 3ft and height 5ft? Express the answer in terms of x.
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The answer is D. 15pi ft cubed
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