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Vlad [161]
3 years ago
6

THX SO MUCH Rohanfighter

Mathematics
1 answer:
sdas [7]3 years ago
3 0
<em>Part C:</em>

Total = T
Hours = H

T = 7H (meaning that per hour, Tiya makes $7, and depending on the amount of hours is her total).

<em>Part B:</em> Gathering from the top, let y = Total, and x = hours

y = 7x

Plug in numbers in x to find the total. Simplify by multiplying.

y = 7(2)
y = 14
(ordered pairs: (x,y) = (2,14))

y = 7(5)
y = 35
(ordered pairs: (x,y) = (5,35))

y = 7(7)
y = 49
(ordered pairs: (x,y) = (7,49))

<em>Part A</em>: Create two variables. Dependent means that it needs another variable to find out what the answer is (the total, in this case). The Independent is the one that can stand alone (the hours, in this case)

Independent: # of hours
Dependent: total # of money made.


hope this helps
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Find the measure of angle angle AEB in the figure below. Enter only the number. PLEASE HELP ASAP
Dafna1 [17]

Answer:

42°

Step-by-step explanation:

AD is a line

AEC and DEC are both 90°

AEB and CEB make up 90°

AEB+CEB=AEC substitute

AEB+48=90 Next use Subtraction property of equality

AEB=42

Hope this helps, if so please give me brainliest, it helps a lot. :)

Have a good day!

8 0
3 years ago
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Select the least common multiple of 6 and 8. OA 2 OB: 14 O C. 24 OD. 48​
Len [333]

Answer:

OB.14

Step-by-step explanation:

I didn't know that that was even a multiple of 6and 8

8 0
3 years ago
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A car dealership sells 0, 1, or 2 luxury cars on any day. When selling a car, the dealer also tries to persuade the customer to
melisa1 [442]

Answer:

Mean = 1.42

Variance = 0.58

Step-by-step explanation:

Given: X denote the number of luxury cars sold in a given day, and Y denote the number of extended warranties sold.

Also, joint probability function of X and Y are given.

To find:

mean and variance of X

Solution:

From the given joint probability function of X and Y,

P(X=0)=\frac{1}{6}\\P(X=1)=\frac{1}{12}+\frac{1}{6}=\frac{1+2}{12}=\frac{3}{12}\\P(X=2)=\frac{1}{12}+\frac{1}{3}+\frac{1}{6}=\frac{1+4+2}{12}=\frac{7}{12}

Mean of X:

E(X)=\sum XP(X)\\=0\left ( \frac{1}{6} \right )+1\left ( \frac{3}{12} \right )+2\left ( \frac{7}{12} \right )\\=0+\frac{3}{12}+\frac{14}{12}\\=\frac{17}{12}=1.42

Variance of X:

E(X^2)=\sum X^2P(X)\\=0^2\left ( \frac{1}{6} \right )+1^2\left ( \frac{3}{12} \right )+2^2\left ( \frac{7}{12} \right )\\=0+\frac{3}{12}+\frac{28}{12}\\=\frac{31}{12}

var(X)=E\left [ X^2 \right ]-\left ( E\left [ X \right ] \right )^2\\=\frac{31}{12}-\left ( \frac{17}{12} \right )^2\\=\frac{31}{12}-\frac{289}{144}\\=\frac{372-289}{144}\\=\frac{83}{144}\\=0.58

5 0
3 years ago
How do I simplify this
inna [77]
The calculator came up with this -23.399156493247038795316239455591
7 0
3 years ago
Can someone plz help me I don’t understand how to do this and I am really struggling with the online stuff
sweet [91]

Answer:

A

Step-by-step explanation:

x=6.28111...

100 x=628.111...

1000x=6281.111...

subtract

900x=5653

x=5653/900

density of iodine=785×5653/900≈4930.672222...

Here 2 is repeating .

3 0
2 years ago
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