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3 years ago

0.000701 to a scientific notation

Mathematics

2 answers:

slega [8]3 years ago

7 0

7.01×10^-4. udufhfhf

Lemur [1.5K]3 years ago

7 0

$7.01 \times {10}^{ - 4}$

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dybincka [34]

<h3>Given :-</h3>

Pranav ran 20.3 km more than Branda

Pravin ran 38.6 km

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To find :

No. of kilometers did Brenda run.

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No. of kilometers ran by Brenda be x.

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<h3>Solution:</h3>

$\\ \\$

Equation formed:-

$\\ \\$

Total distance covered by Pravan = More distance covered by Pravan + distance covered by Brenda.

Therefore:-

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$\leadsto \sf38.6 = 20.3 + x$

Write the equation

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$\leadsto \sf38.6 - 20.3 =x$

When we transfer 20.3 to left side the positive sign (+) will change into negative sign (–)

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$\leadsto \sf x = 38.6 - 20.3$

Arrange the equation because x is always represented at left side.

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$\leadsto \boxed {\pmb{\sf x = 18.3}}\star$

After subtracting 38.6 with 20.3 we will get result as 18.3 .

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$\therefore \red{ \underline{ \pmb{\frak{Distance ~ covered ~by ~Brenda~ is ~equal ~to~18.3~kilometers}}}}$

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2 years ago

The modern day equation that models this problem is x + 1/4x = 15.

GREYUIT [131]

The answer I think is 12.

<span>x + 1/4x = 15= 12

I hope this helps.

If I am right, which I am pretty sure I am, can you make my answer the brainliest please?</span>

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3 years ago

Write the difference and simplest form (5n-3)-(-2n+7) 100 points

alekssr [168]

Answer:

7n - 10

5n - 3 + 2n - 7

(distribute the negative sign throughout the equation) (then just combine like terms)

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