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ryzh [129]
3 years ago
12

F(x) = 7 - 5x range is

Mathematics
1 answer:
erik [133]3 years ago
8 0
1.4 7/5 is 1.4 or 1 1/4 
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A hairstylist earns a 25% commission on each haircut she does. One customer received a $35 haircut and gave the stylist an 18% t
mina [271]
The answer for this one is 10.33
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3 years ago
If a = 5^x, b = 5^y and a^y×b^x = 25 then prove that: xy =1​
avanturin [10]

a =  {5}^{x}  \\ b =  {5}^{y}  \\  {a}^{y}  \times  {b}^{y}  = 25 \\ prove \: ( {5}^{x} )^{y}  \times ( {5}^{y} ) ^{x}  = 25 \\  {5}^{xy}  \times  {5}^{yx}  = {5}^{2} \\  {5 }^{xy + yx}  = 5^{2}  \\ 5^{2xy}  =  {5}^{2} \\ is \:  \: 2xy = 2 \\ xy =  \frac{2}{2}  \\ xy = 1

3 0
3 years ago
If possible, factor 9x2 − 625y2.
Igoryamba

Answer:

(3x - 25y)(3x + 25y)

Step-by-step explanation:

9x² - 625y² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Given

9x² - 625y²

= (3x)² - (25y)²

= (3x - 25y)(3x + 25y)

3 0
3 years ago
Read 2 more answers
Suppose your dean of admissions is considering surveying high school seniors about their perceptions of your school to design be
KonstantinChe [14]

Answer and explanation:

Advantages of telephone interviews:

They are more convenient than face to face interviews

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There is a wider geographical access as you can reach people in other countries too

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Inability for individuals who are not online to participate

Non response bias

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3 0
3 years ago
if the sales tax rate is 7.25% in california, then how much would you pay in los angeles for a pair of shoes that cost $39.00
Anna [14]
It would come out to be $41.8275, so if you round it would cost $41.83.
4 0
3 years ago
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