3 years ago

25 POINTS!!!! Help please

Mathematics

1 answer:

kow [346]3 years ago

5 0

Answer:

Probably A

Step-by-step explanation:

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BlackZzzverrR [31]

Vertical angles are congruent due to the fact that they intersect. If they did not, they would in fact be parallel. (last section)

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4 years ago

Expand : (3x+5y)²<br>please answer

alukav5142 [94]

Answer:

FOIL: $9x^2 +30xy + 25y^2$

(3x + 5y)(3x+5y)

F: 3x*3x

O: 3x*5y

I: 5y*3x

L: 5y*5y

$9x^2 +30xy + 25y^2$

Step-by-step explanation:

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3 years ago

A pizza shop sells a single pizza for 11 dollars. However, at the end of the night, they will sell extra pizzas for 6 dollars ea

xxMikexx [17]

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3 years ago

Help me out please, im only typing this much because its making me...

Genrish500 [490]

Answer:

B. $x^{2} +2x-8$

Step-by-step explanation:

Here the best method to solve is by substituting the end values of the set in each option , otherwise it will a time consuming problem.

Now substitute x=-4 in all the options

A. $x^{2} -2x-8$

16+8-8=16>0

so out of option A and C option C is correct.

B. $x^{2} +2x-8$

16-8-8=0 which means for the values of x>-4 $x^{2} +2x-8$ is less than 0

Now substitute x=2 in all the options

A. $x^{2} -2x-8$

4-4-8=-8<0 . so option A and C both are incorrect.

B. $x^{2} +2x-8$

4+4-8=0 which means for the values of x<2 $x^{2} +2x-8$ is less than 0

Therefore the correct option is B

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4 years ago

Can you guys give a Ratio problem for my class?

dalvyx [7]

Answer:

Step-by-step explanation:

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3 years ago