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2 years ago

John was working on a polynomial subtraction problem, and his work is shown. (3x^2+4x-8)-(x^2-5x+4)

Mathematics

1 answer:

Tanya [424]2 years ago

5 0

Answer:

idk but can u mark me brainleeeast? PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS㏒㏑

Step-by-step explanation:

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viktelen [127]

Answer:

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2 years ago

What is the perimeter of a lawn that is 25 feet long and 20 feet wide?

Inessa [10]

Answer:

Hey

Step-by-step explanation:

500 feet total is your answer because if you multiply the two numbers you et 500

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2 years ago

Verify this trig function. tanysiny = secy-cosy ?

avanturin [10]

$LHS\\ \\ =\tan { y } \sin { y } \\ \\ =\frac { \sin { y } }{ \cos { y } } \cdot \sin { y }$

$\\ \\ =\frac { \sin ^{ 2 }{ y } }{ \cos { y } } \\ \\ =\frac { 1-\cos ^{ 2 }{ y } }{ \cos { y } }$

$\\ \\ =\frac { 1 }{ \cos { y } } -\frac { \cos ^{ 2 }{ y } }{ \cos { y } } \\ \\ =\sec { y } -\cos { y } \\ \\ =RHS$

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3 years ago

The terminal point of Dis ( 1/2,3/2). What is cos 0?

nydimaria [60]

Answer:

(c). $\frac{1}{2}$

Step-by-step explanation:

The cosine is the "x" coordinate of the terminal point on the unit circle.

Thus the answer is (c).  $\frac{1}{2}$

5 0

3 years ago

Solve this problem 8x + 4(x-1) a. 32x+3 b. 12x-4 c. 12x+4 d. 9x-4

Lilit [14]

Answer:

Step-by-step explanation:

8x +4(x -1)

Expand by multiplying 4 into each term inside the bracket:

= 8x +4(x) +4(-1)

= 8x +4x -4

Simplify

= 12x -4

Thus, the answer is b.

7 0

1 year ago

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