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Xelga [282]
3 years ago
9

Suppose that a regression line for some data transformed with logarithms predicts that when x equals 8, will equal 1.603. What d

oes the regression line predict y will equal when x equals 8? Round your answer to the nearest whole number. A. 2 B. 40 C. 13 D. 28
Mathematics
2 answers:
o-na [289]3 years ago
8 0
Uh idk sorry but the reason why I am typing this because I have to answer 12 questions to Post my question
SIZIF [17.4K]3 years ago
5 0

Answer:40

Step-by-step explanation:

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Sin(π)+4cos(π) = x - cos(π/2)
anzhelika [568]
X=-0.85840734 or x=π -4
7 0
4 years ago
Im having big trouble so help pleasse
riadik2000 [5.3K]

Answer:

84

Step-by-step explanation:

first calculate the rectangle (6* 10  = 60) and then add that to the area of the triangles. 1/2(4) * 6= 2 * 6 = 12, and since there are two triangles: 12* 2 = 24, add that to the area of the rectangle and you get 84.

6 0
4 years ago
Read 2 more answers
The number of cows in a farm was 60% of the number of the goats. After 80 goats were taken out of the farm, the number of goats
Eva8 [605]
Before:
The number of goats =60%
The number of cows = 100%

Using ratio
Cows : Goats
60 : 100 reduced to simplest term

C:G
3:5

After
The number of cows = 100%
The number of goats = 60%

Using ratio

C:G
100:60 reduced to simplest term
C:G
5:3

Number of cows remained constant. Therefore find the common multiple.

Before
C:G
15:25

After
C:G
15:9

Find the difference in the units of goats

(a)25 - 19= 16
16 units =80
1 unit = 5
15 units (cows) = 5 x 15 = 75
There were 75 cows.

(B)
Number of goats at first
25 units = 5 x 25 = 125
Therefore percentage= 80/125 x 100
= 64%
5 0
3 years ago
Find the total surface area of this cuboid
Tanya [424]

Answer:

143.5 =1 decimal point

Step-by-step explanation:

7 0
3 years ago
A house worth $70,000 when purchased was worth $67,000 after the first year and $64,000 after the second year. If the economy do
Citrus2011 [14]

Answer:

a) The formula for the sequence is

a_n = 67,000 -3,000(n-1)

b) a_7 = 49,000

Step-by-step explanation:

Note that the difference between any two consecutive terms in the sequence is always equal to $3,000

67,000-70,000= -3,000\\\\64,000-67,000=-3,000

Then we have an arithmetic sequence where each term increases by a magnitude of 3,000 with respect to the previous term.

The explicit formula for an arithmetic sequence is:

a_n = a_1 +d(n-1)

Where d is the common difference between the consecutive terms of the sequence

d = -3,000

a_1 is the first term, or the value of the house after year 1 a_1= 67,000

n represents the number of years since the house was purchased

With

n={0, 1, 2, 3, 4, 5, 6, 7,.., n}

a) Then the formula for the sequence is

a_n = 67,000 -3,000(n-1)

With

n={0, 1, 2, 3, 4, 5, 6, 7,.., n}

---------------------------------------------------------------------------------------------

b) Now we can use the formula to find the price of the house after 7 years

a_7 = 67,000 -3,000(7-1)

a_7 = 67,000 -3,000(6)

a_7 = 49,000

3 0
3 years ago
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