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Katarina [22]
3 years ago
5

Carlos bought the items shown in the table. What was the total cost, not including tax?

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
7 0

the fact that there is no chart makes it hard

Step-by-step explanation:

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The first quartile of a data set is 23, the median is 30, the third quartile is 33, and an outlier is 6. Which of these data val
Mnenie [13.5K]
C. the outlier  will most likely be the answer to this question 
 
4 0
4 years ago
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Ryan has a credit card with a total credit limit of $5000. He charges about $4500 a month and made 6 late payments in the past y
stealth61 [152]
D. his loan application will be denied. ( and he probably does have a high credit score.) Hope this helps  (=^-^=)

6 0
3 years ago
An isosceles trapezoid has bases of lengths 6 and 8 and a height of 16. Find the area.
11111nata11111 [884]

Answer:

Step-by-step explanation:

In an isosceles trapezoid, the opposite sides are equal.

The formula for determining the area of a trapezoid is expressed as

Area = 1/2(a + b)h

Where

a and b are the length of The bases are the 2 sides of the trapezoid which are parallel with one another.

h represents the height of the trapezoid.

From the information given,

a = 6

b = 8

height = 16

Therefore,

Area of trapezoid = 1/2(6 + 8)16

= 1/2 × 14 × 16 = 112 square units

3 0
3 years ago
Events A and B are independent. The probability of A occurring is 2/5. The probability of B occurring is 1/4. What is P(Aand B)
Elena L [17]

Answer:

The value of P(A and B)  is 1/10

Step-by-step explanation:

In case of independent events, the probability of one event doesn't depend on the probability of other events.

Therefore, for an independent events

P(A and B) = P(A) × P(B)

P(A and B) = 2/5  × 1/4

P(A and B) =2/20

P(A and B) =1/10

Therefore, the value of P(A and B)  is 1/10

6 0
3 years ago
Read 2 more answers
Given the following data: X 1 4 6 7 Y 9 7 8 1 a) Find the coefficient of correlation. b) Find the equation of the regression lin
Viktor [21]

Answer:

a) r=-0.719

b) y=10.642-0.976x

c)Predicted y=7.714

Step-by-step explanation:

a)

sumx=1+4+6+7=18

sumy=9+7+8+1=25

sumxy=1*9+4*7+6*8+7*1=92

sumx²=1²+4²+6²+7²=102

sumy²=9²+7²+8²+1²=195

n=number of observation=4

The correlation coefficient is computed by following formula

r=\frac{nsumxy-(sumx)(sumy)}{\sqrt{[nsumx^{2} -(sumx)^2][nsumy^2-(sumy)^2]}}

r=\frac{4(92)-(18)(25)}{\sqrt{[4(102) -(18)^2][4(195)-(25)^2]}}

r=\frac{368-450}{\sqrt{[408 -324][780-625]}}

r=\frac{-82}{\sqrt{[84][155]}}

r=\frac{-82}{\sqrt{13020}}\\r=\frac{-82}{114.1052}\\r=-0.7186

By rounding r to 3 decimal places we get r=-0.719.

b)

The regression equation can be written as y=a+bx

We have to find "a" and "b" for regression equation

b=\frac{nsumxy-(sumx)(sumy)}{{nsumx^{2} -(sumx)^2}}

a=ybar-b(xbar)

b=\frac{4(92)-(18)(25)}{{4(102) -(18)^2}}

b=\frac{-82}{{84}}

b=-0.976

xbar=sumx/n

xbar=18/4=4.5

ybar=sumy/n

ybar=25/4=6.25

a=ybar-b(xbar)

a=6.25-(-0.976)4.5

a=6.25+4.392

a=10.642

Thus, the regression equation is

y=a+bx

y=10.642-0.976x

c)

The predicted value of y for x=3 can be computed by putting the value of x in regression equation

y=10.642-0.976(3)

y=10.642-2.928

y=7.714

Hence, the predicted y-value for x=3 is 7.714.

4 0
4 years ago
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