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3 years ago

10

HELP PLEASE

1 answer:

kotegsom [21]3 years ago

3 0

<span>y = f(x) = ax is not an exponential function; it's a linear function. Please ensure that you have copied down the entire problem given to you.

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Tell whether a triangle can have sides with the given lengths explain? Explain. 4,7,10

Evgen [1.6K]

Use the pythagorean theorem. So 4^2 + 7^2 = 10^2. Simplify to 16+49=100. This simplifies to 65=100 which is not true so these sides cannot make a triangle.

4 0

4 years ago

Please someone help me...

Savatey [412]

use $a^2-b^2=(a+b)(a-b)$

to get $(\cos^3A-\sin^3A)(\cos^3A+\sin^3A)$

then use $a^3+b^3=(a+b)(a^2+b^2-ab)$

and $a^3-b^3=(a-b)(a^2+b^2+ab)$

also, $\sin^2\theta+\cos^2\theta=1$

to get $(\cos A-\sin A)(1+\sin A\cos A)(\cos A+ \sin A)(1-\sin A\cos A)$

then again use the first identity In both pairs, i.e.

$(\cos A-\sin A)(\cos A+ \sin A) \cdot (1+\sin A\cos A)(1-\sin A\cos A)$

to get $\cos 2A (1-\sin^2A\cos^2A)$

multiply and divide by 4 to get the RHS.

because, $\sin(2A)= 2\sin A \cos A$

squaring both sides, $\sin^2 (2A)=4\sin^2A\cos^2A$

3 0

3 years ago

Read 2 more answers

3-4h+7-6n use h=7 and n=2

antiseptic1488 [7]

4x7=28
6x2=12
3-28+7-12
-25+7-12
-25+(-5)
(-30)

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4 years ago

Which of the following is in order from least to greatest

vovangra [49]

The third option is ordered least to greatest

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3 years ago

Consider the line y = -

zalisa [80]

Answer:

parallel: y = -x + 2

perpendicular: y = x + 2

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4 years ago