2 years ago

4. Which is the better value? Show your work and explain your choice.

1 answer:

3 0

Option B

I think its opinion B because its cheaper

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vfiekz [6]

9x-8=9x-3/2 X3
9x-8=27x-9/2
2(9x-2)=27x-9
18x-4 =27x-9
18x-27x=-9+4
-9x =-5
9x=5
X=5/9 answer

4 0

2 years ago

Leto [7]

70
0.4x=28
x=28/0.4
x=70

7 0

2 years ago

Natali5045456 [20]

39 is 60% of 65.
Hope it helps!

6 0

2 years ago

Luden [163]

Answer:

C. $f(x)=\sqrt[3]{-x} -1$

Step-by-step explanation:

Consider graph of the parent function (red curve in attached diagram)

$g(x)=\sqrt[3]{x}$

First, multiply it by -1 to get function

$h(x)=-\sqrt[3]{x}$

Then translate the graph of the function h(x) 1 unit down, then you'll get the function

$f(x)=-\sqrt[3]{x} -1\\ \\ \text{or}\\ \\f(x)=\sqrt[3]{-x} -1$

The graph of the function f(x) is represented by the blue curve in attached diagram

5 0

2 years ago

galina1969 [7]

Answer:

less than 55 minutes

Step-by-step explanation:

11 laps at 5 minutes per lap is 55 minutes.

Since she will run fewer than 11 laps, she will run less than 55 minutes.

4 0

2 years ago