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blagie [28]
3 years ago
8

Tan(– 225°) + sec(-180°)

Mathematics
1 answer:
Alecsey [184]3 years ago
8 0
Ok thanks you guys 279$
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Lets do this step by step.

Simplify: (4x2 - 2x) - (-5x2 - 8x).

~~~~~~~~~~~~~~~~~~~~~~~~~

Solution:

(4x2 - 2x) - (-5x2 - 8x)= 4x2 - 2x + 5x2 + 8x.= 4x2 + 5x2 - 2x + 8x.= 9x2 + 6x.= 3x(3x + 2).

~~~~~~~~~~~~~~~~~~~~~~~~

Answer: 3x(3x + 2)

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

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Hope this helped you.

Could you maybe give brainliest..?

❀*May*❀

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3 years ago
It costs $2.37 to paint one square foot of wall. You need to paint a wall that measures 864.5 square feet. It will cost to paint
jasenka [17]

Answer:

B- hope this helps:)

Step-by-step explanation:

6 0
3 years ago
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A contractor purchases seven dozen pairs of padded work gloves for $101.64 she incorrectly calculated the unit price is $14.52 p
prisoha [69]

Answer:

i got 14.52 as the unit price, Is there some sort of tax or extra expense not included with your question?

Step-by-step explanation:

6 0
3 years ago
Solve for x. y = 1/3 (x + w)
Mnenie [13.5K]
Step 1: get rid of the 1/3 by multiplying both sides by 3

3 • y = 3 • 1/3(x+w)

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Step 2: get the x by itself by subtracting away the w

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Simplify this expression. <br> 7ײ+9ײ-ײ
guapka [62]

Step-by-step explanation:

7x² + 9x² - x²

when you wrote the expression you used the "multiplication ×" and not "x".

anyway, when you have terms of the same variable of the same exponent, then the combination variable and exponent become an item. and the same items can simply be added in an expression.

this is similar to

7 apples + 9 apples - 1 apple

what would you do there ?

see ?

and the same we are doing now for the given expression : we are adding the terms up :

7x² + 9x² - x² = (7 + 9 - 1)x² = 15x²

and in the middle I gave you even the reason why we can do that.

please, let me know, if this is still unclear.

4 0
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