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3 years ago

If x+1=7, what is the value of x2 + 22 +1?

Mathematics

2 answers:

sattari [20]3 years ago

5 0

Answer:

$x + 1 = 7 \\ x = 7 - 1 = 6 \\ putting \: the \: value \: of \: x = 6 \\ 6 \times 2 + 22 + 1 = 34$

lara31 [8.8K]3 years ago

4 0

Answer:

Step-by-step explanation:

x+1 = 7

Subtract 1 from each side

x+1-1 =7-1

x =6

x^2 + 22 +1

6^2 +22+1

36+22+1

36+23

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Write the equation of a line perpendicular to 5x - 7y =-6 that passes through the point (-5,6)

Likurg_2 [28]

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Answer:

7x +5y = -5

Step-by-step explanation:

You can find the perpendicular line by swapping the x- and y-coefficients, and negating one of them. The new constant can be found by using the given point.

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3 years ago

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3 years ago

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IgorLugansk [536]

Answer:

See below:

Step-by-step explanation:

We can first setup an equation by doing the following:

$4(2-x) = 3(x+1)\\8-4x=3x+3\\8-7x=3\\-7x=3-8\\-7x=-5\\x=-5/-7 (5/7)$

Whole proccess above!

If you would like an explanation, please let me know so.

Its basically algebra and it's mainly on how you interpret it!

Have a nice day!

5 0

2 years ago

Please help<br> Please also explain

schepotkina [342]

Answer: it is equal

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3 years ago

20 POINTS, answer pls ty fill out the missing angle measures until you find x

Basile [38]

Answer:

x is 101 degrees.

Step-by-step explanation:

sorry my handwritings so bad it's hard to draw through my computer.

<em>hope this helps!</em>

have a great day :-)

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3 years ago