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lora16 [44]
3 years ago
7

I think the answer is a but correct me if I'm wrong thanks

Mathematics
2 answers:
Fittoniya [83]3 years ago
6 0
Don't forget the number it's on you put B but good geuss.
nignag [31]3 years ago
4 0
 The answer is Option B.
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What value of $k$ will make $4x^2 - 20x + k$ the square of a binomial?
Arisa [49]

Answer:

k = 25

Step-by-step explanation:

(2x  - sqrt(k) )^2              Expand this as a binomial                          

4x^2 - 4x*sqrt(k) + k      The middle term must be -20x Solve for k so it is

-4xsqrt(k) = - 20x            Divide by -4x

sqrt(k) = -20x/-4x             Do the division

sqrt(k) = 5                         Square both sides

k = 25


5 0
3 years ago
On what interval is the function f(x) = -1272 +452 - 54 decreasing?​
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Step-by-step explanation:

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3 years ago
Examine the following system of inequalities.
lubasha [3.4K]

Answer:

Dotted linear inequality shaded above passes through (0, 4) and (4, 0). Solid exponential inequality shaded below passes through (negative 2,2) & (0,5)

Step-by-step explanation:

we have

y > -x+4 ----> inequality A

The solution of the inequality A is the shaded area above the dotted line y=-x+4

The dotted line passes through the points (0,4) and (4,0) (y and x-intercepts)

and

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The solution of the inequality B is the shaded area above the solid line y=-(1/2)^{x} +6

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The solution of the system of inequalities is the shaded area between the dotted line and the solid line

see the attached figure

Dotted linear inequality shaded above passes through (0, 4) and (4, 0). Solid exponential inequality shaded below passes through (negative 2,2) & (0,5)

7 0
3 years ago
The linear function y = 7x + 2 represents the cost y, in dollars, of buying x tickets, including a one time service fee. What do
dolphi86 [110]

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x^5y+4x+4y+2

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Fact, ^ is called an exponet

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4 0
3 years ago
Can someone help me p
Serga [27]

Answer:

(3.5, -2)

Step-by-step explanation:

that point is where the edge if the rectangle is

5 0
3 years ago
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