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lidiya [134]
4 years ago
14

–0.125y^4 for y=–2 plz tell me answer will get 10 points!!

Mathematics
1 answer:
antiseptic1488 [7]4 years ago
3 0

Answer:

-2

Step-by-step explanation:

Based on PEMDAS (parenthesis, exponent, multiplication, division, addition, subtraction), you have to do -2 to the power of 4 first.

-2 x -2 x -2 x -2 = 16

Then, you have to multiply 16 by -0.125. After multiplying, you get -2.

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30 points
boyakko [2]

Answer:

1) The value of c is given by

c=4

2) The value of k is given by

k=-4150

Step-by-step explanation:

Given that function g is defined by g(x)=cx-3 , where c is a constant.

To find c:

Also given that value of g(x) at x=0.5 is equal to -1

ie., g(0.5)=-1

At x=0.5

g(0.5)=c(0.5)-3=-1

(0.5)c-3=-1

(0.5)c=-1+3

(0.5)c=2

c=\frac{2}{0.5}

c=\frac{2}{\tfrac{1}{2}}=2\times \frac{2}{1}

Therefore c=4

2) Given that function h is defined by h(x)=\frac{20x-k}{x+50} , where k is a constant.

To find k:

Also given that value of h(x) at x=20 is equal to 65

ie., h(20)=65

At x=20

h(20)=\frac{20(20)-k}{20+50}=65

400-k=65(70)

-k=4550-400

-k=4150

Therefore k=-4150

6 0
3 years ago
1,8<br>О, ОР<br>81, 817<br>0,00 3<br>16 3 3<br>5 0 3​
Tema [17]

Answer:

G o o g l e >:>

Step-by-step explanation:

8 0
3 years ago
What is the equation, in slope-intercept form, of the line that is perpendicular to the line
wolverine [178]

Answer:

y=3/2x+1

Step-by-step explanation:

y-4= -⅔(x-6)

y-4=-⅔x+4

y=-⅔x+4+4

(equation of line 1) y= -⅔x+8 gradient= -⅔

(line 2)gradient=3/2

note* the gradients of perpendicular lines multiplied result to -1

gradient=<u>y²-y²</u>

<u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>x²-x¹

<u>3</u><u> </u>=<u>y</u><u>+</u><u>2</u>

<u> </u><u> </u>2. x+2

multiply both sides by 2(x+2)to remove the denominators

3(x+2)=2(y+2)

3x+6=2y+4

3x+6-4=2y

3x+2=2y

divide all sides by 2

3/2x+1=y

y=3/2x+1

8 0
3 years ago
A bag contains 9 marbles: 3 are green, 2 are red, 4 are blue. Yolanda chooses a marble at random, and without putting it back, c
xxMikexx [17]

Answer:  \bold{\dfrac{1}{6}=16.67\%}

<u>Step-by-step explanation:</u>

       First pick    and      Second pick

   \dfrac{4\ blue}{9\ total\ marbles}\times\dfrac{3\ green}{8\ remaining\ marbles}\quad =\dfrac{12}{72}\quad =\large\boxed{\dfrac{1}{6}}

3 0
3 years ago
Show that if we are given the odds against an event w as a:b, the probability of not w is
Assoli18 [71]
You simply switch the odds, the answer would be b:a
7 0
4 years ago
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