3 years ago

What is 3x + 2x simplified

Mathematics

2 answers:

Reptile [31]3 years ago

6 0

Answer:

Step-by-step explanation:

since they are under the same term they can be added to each other

Alja [10]3 years ago

6 0

Answer:

Step-by-step explanation:

It means to multiply that number times the unknown number

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In standard notation it would be, 758*10^6

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3 years ago

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3 years ago

The thickness of a quarter is approximately 2 millimeters. How many quarters would you need to make a two kilometer high pile? a

Romashka-Z-Leto [24]

We need 1,000,000 quaters to make a two kilometer pile

Solution:

The thickness of a quarter is approximately 2 millimeters

We need to find the quarters needed to make two kilometer high pile

Let us first convert 2 km to millimeters

Use the conversion factor

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Therefore,

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4 0

4 years ago

Please help me out :)

arlik [135]

Answer:

$\frac{\sqrt{17} }{7}$

Step-by-step explanation:

Using the Pythagorean identity

sin²x + cos²x = 1, then

sinx = $\sqrt{1-cos^2x}$

Note that ( $\frac{4\sqrt{2} }{7}$ )² = $\frac{32}{49}$

sinΘ = $\sqrt{1-(32/49)}$

= $\sqrt{\frac{17}{49} }$ = $\frac{\sqrt{17} }{7}$

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3 years ago