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Blababa [14]
3 years ago
10

What is the answer? A 1. B. -2 C. 1 , 2 D. 1, -1

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
3 0
The answer is D. 1, -1
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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

y \leq -(1/2)^{x} +6 -----> inequality B

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

The solid line passes through the points (0,5) and (-2,2)

therefore

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
Megan charges %5.00 for each hour, (h), she babysits. Last week, the total amount she earned by babysitting was $65.00.
mel-nik [20]

Answer:

B

Step-by-step explanation:

To find how many hours she worked you must divide $65 by $5 and B is the only equation where you can do that.

8 0
3 years ago
Five times a number is greater thn 25
Kobotan [32]

5 x 6 is greater than 25.


( Hope this helps!! ) <3


5 0
3 years ago
Read 2 more answers
Solve the exponential equation. 8x = 1/4 -2 -2/3 2/3
Karolina [17]

Answer:

\large\boxed{x=-\dfrac{2}{3}}

Step-by-step explanation:

8^x=\dfrac{1}{4}\\==============\\\\8=2^3\\\\\dfrac{1}{4}=\dfrac{1}{2^2}=2^{-2}\\\\===============\\\\(2^3)^x=2^{-2}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\2^{3x}=2^{-2}\iff3x=-2\qquad\text{divide both sides by 3}\\\\x=-\dfrac{2}{3}

5 0
3 years ago
Solve this system by Linear Combination (Elimination)
Aleksandr [31]

They result in the same equation

rewrite it:

2y = 4x +18

3y = 6x + 27

divide so that you have only y

y = 2x + 9

y = 2x + 9

8 0
3 years ago
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