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3 years ago

5

Select the procedure that can be used to show the converse of the Pythagorean theorem using side lengths chosen from 6 cm, 8 cm,

10cm, and 12cm

1 answer:

AlexFokin [52]3 years ago

6 0

Answer:

Answer is A

Step-by-step explanation:

My hand wont support me

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The temperature on a thermostat is set to 72∘F, but the actual temperature can vary by as much as 2∘F. Let x represent the actua

Maru [420]

This is your answer :)

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3 years ago

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Can anyone please help me with this??? I really need it );

Nata [24]

Answer:

(x,y) (9,4)

Step-by-step explanation:

-2x+7y = 10

x -3y = -3 (move x to the other side)

-2x +7y = 10

x = -3 + 3y (put in for x)

-2 (-3 +3y) +7y =10 ( slove for y)

6-6y +7y = 10

6+y = 10

y = 10-6

y = 4

go back slove for x

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8 0

2 years ago

Which is equivalent to the following expression? (2x^2+4xy-y^2)+(x^2+3xy-y^2)

masya89 [10]

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−

80

Explanation:

2

(

2

)

2

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[

3

(

2

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(

−

4

)

]

−

4

(

−

4

)

2

2

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4

)

+

[

−

24

]

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3 0

3 years ago

Read 2 more answers

Find the 75th term of the arithmetic sequence<br> 16, 15, 14,

slega [8]

Answer:

$a_{75}=-58$

Step-by-step explanation:

This is an arithmetic sequence:

$a_n=a_1+(n-1)d$

where d is the common difference and n is the index of any given term.

For the given sequence, the common difference is -1:

$15-16=-1\\14-15=-1$

Knowing both the common difference and the first term, you can write the equation for this sequence:

$a_n=16+(n-1)(-1)$

Then you can use that equation to find the 75th term:

$a_{75}=16+(75-1)(-1)\\a_{75}=16+(74)(-1)\\a_{75}=16-74\\a_{75}=-58$

3 0

3 years ago

What is the difference of the polynomials? (m^2n^2-7)-(mn+4)

Vilka [71]

Answer: The difference is,

$m^2n^2-mn-11$

Step-by-step explanation:

Given expression is,

$(m^2n^2-7)-(mn+4)$

By distributive property,

$m^2n^2-7-mn-4$

Combine like terms( that have the same variables and powers ),

$m^2n^2-mn-11$

Which is the required result.

Hence, option third is correct.

4 0

3 years ago