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3 years ago

6x-42xwill give brainliest!!!

2 answers:

8 0

Simplifying..

Subtract 42x from 6x to get −36x.


−36x

scoray [572]3 years ago

4 0

Step by step :

6x−42x
=6x+−42x
=6x+−42x
=(6x+−42x)
=−36x
Hoped I helped!

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A package of strawberries costs 1.50 while they are in season and 2.25 when they aren't in season. What is the percent increse.

PIT_PIT [208]

The answer is 50%.

Divide 2.25 by 1.50. That equals 1.5. That’s the equivalent to 50% because if you subtract 1 from 1.5 and multiply by 100. You get the same answer. Only do that for numbers greater than one, otherwise it won’t work

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3 years ago

Circle the equations that represent quadratic functions a. y=3x+1 b. y=x^2+3 c. y=x^3-3 d. x^2+3y=8

Elena L [17]

Answer:

$B. y=x^2+3 \\\\D.$ $x^2+3y=8$

Step-by-step explanation:

A quadratic function is a function in which the highest power of the unknown variable is 2.

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$f(x)=ax^2+bx+c, a\neq 0$

From the given options, only B and D has the highest power as 2. Therefore, the equations that represent quadratic functions are:

$B. y=x^2+3 \\\\D.$ $x^2+3y=8$

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4 years ago

ΔABC is an equilateral triangle. m∠A = (3x - 12)°. Solve for x

dsp73

3x-12=60°
3x-12+(12)=60+(12)
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3 years ago

Read 2 more answers

Prove this question please

vovikov84 [41]

Answer:

see explanation

Step-by-step explanation:

Consider the left side

$cos^{4}$ A + $sin^{4}$ A - 2cos²Asin²A ← is the expansion of

= (cos²A - sin²A)²

Substitute sin²A = 1 - cos²A

= (cos²A - (1 - cos²A) )²

= (cos²A - 1 + cos²A)²

= (2cos²A - 1 )²

= right side , then proven

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Vedmedyk [2.9K]

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3 years ago

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