3 years ago

How do you write 9.7 x 10^3 in standard

Mathematics

1 answer:

Serggg [28]3 years ago

7 0

9700 is the answer which is correct

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(2x+4)^2 - (x-5)^2 = 26x<br> Please solve (explained)

Zina [86]

Expand the squared binomials:

$(2x+4)^2=4x^2+16x+16$

$(x-5)^2=x^2-10x+25$

Then

$(4x^2+16x+16)-(x^2-10x+25)=3x^2+26x-9=26x$

$\implies3x^2-9=0$

$\implies3x^2=9$

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3 years ago

2p + 3x = 680 x = 2p

svlad2 [7]

Use substitution.

2p + 3(2p) = 680
2p + 6p = 680
8p = 680
p = 85

Plug in.
x = 2p
x = 2(85)
x = 170
p = 85

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3 years ago

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zhannawk [14.2K]

Answer:

20ml in 1 minute. 1000ml is equal to 1 litre.

Step-by-step explanation:

1000/20 = 50

. 50 minutes will take to fill a litre

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2 years ago

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The tv costs $850 you pay 20% , how much is left to pay

kogti [31]

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What is 2.9 as a fraction

Pani-rosa [81]

Answer:

$\frac{29}{10}$

Step-by-step explanation:

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