3 years ago

Find product6,372x75

Mathematics

2 answers:

Debora [2.8K]3 years ago

5 0

Answer:

i like c ock

Step-by-step explanation:

liubo4ka [24]3 years ago

5 0

The answer is 477,900.

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To find the average(mean) of a set of numbers, you first find the sum of the numbers and then divide the sum by the number of nu

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4 years ago

Find the discriminant and determine the nature of the roots to the quadratic equation

Katen [24]

№17
$x^{2} +6x-7=0 \\ D=6 ^{2} -4*(-7)=36+28=64=8 ^{2} \\ \\ x_{1} = \frac{-6+8}{2} =1 \\ \\ x_{2} = \frac{-6-8}{2} =-7$
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№18
$2 x^{2} -3x+4=3 \\ 2 x^{2} -3x+4-3=0 \\ 2 x^{2} -3x+1=0 \\ \\ D= -3 ^{2} -4*2=9-8=1 \\ \\ x_{1} = \frac{3+1}{2*2} = \frac{4}{4} =1 \\ \\ x_{2} = \frac{3-1}{2*2} = \frac{2}{4} =0.5$
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№19
$2 x^{2} -4x-5=0 \\ D=-4 ^{2} -4*2*(-5)=16+40=56 \\ \\ x_{1}= \frac{4+ \sqrt{56} }{2*2} = \frac{4}{4} + \sqrt{ \frac{56}{16} } =1+ \sqrt{3.5} \\ \\ x_{2} = \frac{4- \sqrt{56} }{2*2} = \frac{4}{4} - \sqrt{ \frac{56}{16} } =1- \sqrt{3.5} 
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4 years ago

A survey of two communities asked residents which candidate they supported for a local election. The survey data are shown in th

pashok25 [27]

Answer:

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Step-by-step explanation:

i believe it because of the total

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3 years ago

Estimate then solve using the standard algorithm 24 X 2.31 (I think it's 55.44 but IDK)

Mnenie [13.5K]

55.44

hope this helps, have a great day

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3 years ago

A jar contains 10 marbles marked with the numbers 1 through 10. You pick a marble at random. What is the probability of not pick

dexar [7]

Answer:

1/10

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There's 10 marbles that you can pick, and there's only one marble with a 3 on it. So it'd be 1/10

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3 years ago

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