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N76 [4]
3 years ago
9

Pls help!: Find the slope of the line using the coordinates: A (-7 ; 6), B (9; - 6/7)

Mathematics
1 answer:
katrin [286]3 years ago
8 0

Answer:

m = y2 - y1 divided by x2 - x1

-6/7 - 6 divided by 9 - - 7

-48/7 divided by 16

= -3/7

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How do i prove 2sec^2x-2sec^2xsin^2-sin^2x-cos^2x=1
kramer
2\sec^2x-2\sec^2x\sin^2x-\sin^2x-\cos^2x=2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)

Since \sin^2x+\cos^2x=1, you have

2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)=2\sec^2x\cos^2x-1

and since \sec x=\dfrac1{\cos x}, you end up with 2-1=1.
6 0
3 years ago
Find The Value x ~<br><img src="https://tex.z-dn.net/?f=%20%5Clarge%20%5Csf%20%5Cunderline%20%5Cbold%7B4x%20%2B%2026%20%3D%2016%
Nikitich [7]

The value of x in the algebraic equation is: -5/2.

<h3>How do you Find the Value of a Variable in an Algebraic Equation?</h3>

Given an algebraic equation, to find the unknown value of x, solve by isolating x in the equation.

Given:

4x + 26 = 16

Subtract 26 from both sides

4x = 16 - 26

4x = -10

Divide both sides by 4

x = -10/4

x = -5/2

Therefore, the value of x in the algebraic equation is: -5/2.

Learn more about algebraic equation on:

brainly.com/question/2164351

6 0
2 years ago
Read 2 more answers
1. Find f(-2) if : *<br> f (x) = 4 |x – 4| + 2<br>-20 <br> 28<br> 32 <br> 26 ​
Mandarinka [93]

Answer:   34

f(-2) means inserting 'x = -2' into the equation.

x = -2

4*|-2 -4| +2

= 4*|-8| + 2

= 4*8 + 2

= 32 + 2

= 34

7 0
3 years ago
Heather bought 3 bags of candy. Each bag was originally priced at $5.00 each, but were on sale for $2.00 off the original price.
olga nikolaevna [1]
The answer is C i believe
4 0
2 years ago
Read 2 more answers
Can i get help on this?
serg [7]
The third and last option. To solve the equation we take the reciprocal of 3/4 because you cannot divide fractions so it would be 15• 4/3, but flip this it could also be 15 divided by 3/4 you would just need to further simply the expression
3 0
2 years ago
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