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3 years ago

Plsssssdo all of the questions and I give you brainlist .make sure they are right

Mathematics

2 answers:

ozzi3 years ago

6 0

Answer:

1) 6,000 B) 800 C) 4,000

2)7,500

3)third and fourth one

4)6,951

Step-by-step explanation:

just because

rosijanka [135]3 years ago

3 0

Answer:

1 a. 6043=6000 b. 789=1000 c. 3911=4000

2 7341 is a possible solution

3 350 6000 7900

4 6951

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Help! Exponential Equation WITHOUT CALCULATOR

ale4655 [162]

$
1.
(2^{x} -2^{-x})^{2} = 4^{2} \\ \\2^{2x}-2*2^{x}*2^{-x} + 2^{-2x} =4^{2} \\ \\2^{2x}-2*2^{x-x} + 2^{-2x} =4^{2} \\ \\ 2^{2x}+ 2^{-2x} - 2=16 \\ \\ 2^{2x}+ 2^{-2x} = 18

\\ \\ 2.( 2^{x})^{3} - (2^{-x}^) ^{3}= (2^{x} -2^{-x})(2^{2x}+2^{x}*2^{-x}+2^{-2x})
\\ \\ ( 2^{x})^{3} - (2^{-x}^)^{3}=(2^{x} -2^{-x})(2^{2x}+2^{-2x}+2^{x}*2^{-x})
\\ \\ ( 2^{x})^{3} - (2^{-x}^)^{3}=(2^{x} -2^{-x})(2^{2x}+2^{-2x}+1)
\\ \\ ( 2^{x})^{3} - (2^{-x}^)^{3}=(2^{x} -2^{-x})((2^{2x}+2^{-2x})+1)
$

$\\ \\ ( 2^{x})^{3} - (2^{-x})^{3} =(4)((18)+1)= 76
\\ \\ 2^{3x}-2^{-3x} =76
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4 0

3 years ago

If there are 120 calories in 4 ounces of hot fudge, how many calories are in 8

miss Akunina [59]

Answer:

240 calories

Step-by-step explanation

You're doubling the amount of fudge, so double the amount of calories. You could also think of it as 2 4-oz portions of fudge, then just add the calories (120+120) together.

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3 years ago

A man earns 5000 for 10 days work.how should he earn in 14,if working at the same rate

Mademuasel [1]

He earns $500 every day, so 500 times 14 is 7000

Answer: $7000

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2 years ago

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Which property is this 27x(45+14)=(27x45)+(27x14)

Vladimir79 [104]

Answer:

Associative Property

Step-by-step explanation:

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3 years ago

Write an expression that represents n plus 7 multiplied by 3.

diamong [38]

The <span>expression that represents n plus 7 multiplied by 3 is
(n + 7)(3)
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(n + 7x3). It would have simply been n plus 21.</span>

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3 years ago

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Plsssssdo all of the questions and I give you brainlist .make sure they are right ​

Plsssssdo all of the questions and I give you brainlist .make sure they are right