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givi [52]
3 years ago
13

Y=8x 168 what is the y intercept and x intercept

Mathematics
1 answer:
Genrish500 [490]3 years ago
7 0
Y-intercept 168 
x-intercept  (-21)

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A stock worth $42 at the beginning of the day. The stock depreciates 15% every hour. How much will the stock be worth after 7 ho
liubo4ka [24]

Answer:

14.46

Step-by-step explanation:

first hour: 35.7

2 hour: 30.34

3 hour: 25.79

4 hour: 21.93

5 hour: 18.64

6 hour:15.85

7 hour:14.46

7 0
3 years ago
Help me please look at photo for question
mojhsa [17]
To multiply two (numbers to powers) . . . If the bases are the same,
then just keep the same base and add the powers.

To solve this problem, you just need to be able to add  ' 5 ' and ' -2 '.
The answer is 'x' to that power.
8 0
3 years ago
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Wires manufactured for use in a computer system are specified to have resistances between .12 and .14 ohms. The actual measured
White raven [17]

Answer: a) 0.9544996

b) 0.9999366

Step-by-step explanation:

Given : The actual measured resistances of wires produced by company A have a normal probability distribution with mean \mu=0.13 ohm and standard deviation s=0.005 ohm.

Wires manufactured for use in a computer system are specified to have resistances between .12 and .14 ohms.

Let x be the random variable that represents the value of resistance in wires.

Using formula for z-score , z=\dfrac{x-\mu}{s}

The z-value at x= 0.12 will be

z=\dfrac{0.12-0.13}{0.005}=-2

The z-value at x= 0.14 will be

z=\dfrac{0.14-0.13}{0.005}=2

The p-value : P(-2

=0.9772498-(1-P(z

Hence, the probability that a randomly selected wire from company A’s production will meet the specifications = 0.9544996

b) Sample size : n= 4

Using formula for z-score , z=\dfrac{x-\mu}{\dfrac{s}{\sqrt{n}}}

The z-value at x= 0.12 will be

z=\dfrac{0.12-0.13}{\dfrac{.005}{\sqrt{4}}}=-4

The z-value at x= 0.14 will be

z=\dfrac{0.14-0.13}{\dfrac{.005}{\sqrt{4}}}=4

The p-value : P(-4

=0.9999683-(1-P(z

The probability that all four in a randomly selected system will meet the specifications = 0.9999366

3 0
3 years ago
1 and 3/4 divided by -21
Over [174]
Let's firstly convert the mixed fractions to "improper", and then divide,

\bf \stackrel{mixed}{1\frac{3}{4}}\implies \cfrac{1\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{7}{4}}
\\\\\\
\cfrac{7}{4}\div -21\implies \cfrac{7}{4}\div \cfrac{-21}{1}\implies \cfrac{7}{4}\cdot \cfrac{1}{-21}\implies \cfrac{7}{-84}\implies \stackrel{simplified}{-\cfrac{1}{12}}
6 0
3 years ago
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1/5 divide by 1 3/4​
Jet001 [13]

Answer:

4/35

Step-by-step explanation:

1/5*4/7=4/35

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2 years ago
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