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3 years ago

Please I need help!!! NO LINKS!!!!! Ill mark brainlest

Mathematics

1 answer:

liraira [26]3 years ago

4 0

Answer: C

Step-by-step explanation:

y=-x+1

3=-(-2)+1

3=2+1

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Evaluate the following 3×6+14 Divided by 2+7

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Answer:

32/9 = 3.555555556

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3 years ago

Please someone help me

Vsevolod [243]

Answer:

$( - 12 \div 3) \times ( - 8 + ({ - 4})^{2} - 6) + 2$

$= ( - 4) \times ( - 8 + 16 - 6) + 2$

$= ( - 4) \times (2) + 2$

$= - 8 + 2$

$= - 6$

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3 years ago

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The function f(x)=2/3x-4 was replaced with f(x+k)=2/3x-6 what is the value of k

HACTEHA [7]

Answer:

The given function $f(x)=\frac{2x}{3}-4$ was replaced with $f(x+k)=\frac{2x}{3}-6$ then the value of k is -3

that is k=-3.

Step-by-step explanation:

The given function is $f(x)=\frac{2x}{3}-4\hfill (1)$

and when x=x+k then $f(x+k)=\frac{2x}{3}-6\hfill (2)$

Now to find the value of k:

Put x=x+k in the function f(x)

$f(x)=\frac{2x}{3}-4$

$f(x+k)=\frac{2(x+k)}{3}-4$

$f(x+k)=\frac{2x+2k}{3}-4\hfill (3)$

Now comparing equations (2) and (3) we get

$f(x+k)=\frac{2x+2k}{3}-4=\frac{2x}{3}-6$

$\frac{2x+2k}{3}-4=\frac{2x}{3}-6$

$\frac{2x+2k}{3}-4-\frac{2x}{3}+6=0$

$\frac{2x}{3}+\frac{2k}{3}-4-\frac{2x}{3}+6=0$

$\frac{2k}{3}+2=0$

$\frac{2k}{3}=-2$

$k=\frac{-2\times 3}{2}$

$k=-3$

Therefore k=-3

Therefore the given function $f(x)=\frac{2x}{3}-4$ was replaced with $f(x+k)=\frac{2x}{3}-6$ then the value of k is -3

that is k=-3.

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3 years ago

Find the total surface area of the net below. 3 m lam 2.2 m

sp2606 [1]

Answer:

87.6 m²

Step-by-step explanation:

9x9=81

2x1/2x2.2x3=6.6

81+6.6=87.6

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3 years ago

The graph of the function B is shown below. If B(x) = -1, then what is x? 1 2 -1

AnnyKZ [126]

Answer:

x = 2

Step-by-step explanation:

B(x) = - 1 means what is the value of x for y = - 1

This is the dot positioned at (2, - 1 )

with x = 2

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3 years ago

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