3 years ago

Choose all that correctly compute the total cost, including the discount and tax. (round to the nearest hundredth)

Mathematics

1 answer:

kompoz [17]3 years ago

3 0

Answer:

a, b, c

Step-by-step explanation:

just took the test

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-8x-2y=-22<br> 16x+7y=17

Nataly [62]

2(-8x-2y=-22)
16x+7y=17

-16x-4y=-44
16x+7y=17

3y=-27
y=-9

16x+7(-9)=17
16x+-63=17
16x=80
X=5

5 0

3 years ago

An individual who has automobile insurance from a certain company is randomly selected. Let Y be the number of mov- ing violatio

Rudik [331]

Answer:

a) E(y) = 0.8

b) The average subcharge is $165

Step-by-step explanation:

We are given the following distribution in the question:

y: 0 1 2 3

P(y): 0.50 0.25 0.20 0.05

a) E(y)

$E(y) = \displaystyle\sum y_iP(y_i)\\\\E(y) = 0(0.50)+1(0.25)+2(0.20)+3(0.05)\\E(y) = 0.8$

b) Expected value of subcharge

Subcharge =

$\$110y^2$

Expected value of subcharge =

$=110E(y^2)\\\\=110\displaystyle\sum y_i^2P(y_i)\\\\=110(0^2(0.50)+1^2(0.25)+2^2(0.20)+3^2(0.05))\\=110(1.5)=165$

Thus, the average subcharge is $165

5 0

3 years ago

Complete the equation for this model.

Arturiano [62]

Answer:

(-18) + (-2) = -20

Step-by-step explanation:

arrow is moving from -18 to -20.

3 0

2 years ago

How do u get this?? I know the answer but then I don't know why they shuld divide by 2 I will mark the person who explains wit p

Greeley [361]

Answer:

10.89

Step-by-step explanation:

Circle:

C = TTD

C = TT(6.6)

C = 20.73451151

C = 20.73

Triangle:

A = bh/2

A = 6.6(3.3)/2 6.6/2=3.3

A = 21.78/2

A = 10.89

Shaded Region = 10.89

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3 years ago

Please help 10 Points

QveST [7]

Answer:

Step-by-step explanation:

8 0

3 years ago