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Naily [24]
2 years ago
10

15 POINTS PLLLSSS HELP

Mathematics
1 answer:
Advocard [28]2 years ago
6 0

Answer:

C) decreasing when x > –1

Step-by-step explanation:

To determine whether a function is increasing or decreasing, or whether it increases or decreases in an interval, you must look at the function or the interval from left to right.

Start at the left and move to the right. You see that the function (the y-coordinate of each point) is increasing from an v value of negative infinity till x = -1. At x = -1 the function reaches a maximum point. Now start at x = -1 and, moving to the right, the value of the function (the y-coordinate of each point) decreases.

The correct answer is C) decreasing when x > –1

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Find the value of the expression 0.5^10/0.5^7
SIZIF [17.4K]

Answer:

The solution is:

  • \frac{0.5^{10}}{0.5^7}=0.125

Step-by-step explanation:

Given the expression

0.5^{10}\div 0.5^7

Solving

\frac{0.5^{10}}{0.5^7}

\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=x^{a-b}

so

\frac{0.5^{10}}{0.5^7}=0.5^{10-7}

\mathrm{Subtract\:the\:numbers:}\:10-7=3

=0.5^3

=0.125        ∵ 0.5^3=0.125

Therefore, the solution is:

\frac{0.5^{10}}{0.5^7}=0.125

7 0
3 years ago
Help...
PolarNik [594]

Answer: perm will cost $48

Step-by-step explanation:

Let x be cost of haircut

So perm will cost her 2x

So

x + 2x + 5 = 77

3x = 72

x = 24

Perm will cost 2x24 = 48

4 0
3 years ago
Can someone help with this ?
erik [133]

Answer: b=-12

Step-by-step explanation:

120/-10  = -12

-10b/-10 = b

b=-12

3 0
3 years ago
Read 2 more answers
Which number from the set {3,5,6,8} makes this inequality true?<br> 3x + 5 – 2x &gt; 11
avanturin [10]

Answer:

8

Step-by-step explanation:

3x + 5 – 2x > 11

Combine like terms

x +5 > 11

Subtract 5 from each side

x+5-5 > 11-5

x > 6

The only number in the set that is greater than 6 is 8

4 0
3 years ago
Read 2 more answers
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Anna71 [15]
N=0.5/3
i'm like 90% sure if i'm wrong i'm sorry lol
3 0
2 years ago
Read 2 more answers
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