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3 years ago

13

Hello and Good Morning! I really really really need some help with these two questions! Thank You!!

2 answers:

asambeis [7]3 years ago

8 0

1) A is the correct answer for question 1

Vladimir79 [104]3 years ago

4 0

Q3 is A
A = P(1-r/100)^n
A= amount, P =original cost paid, r= rate of depreciation, n= number of years.
A= 9500(1- 15/100)^7
A= 9500(1-0.15)^7
A= 9500(0.85)^7
A= 9500(0.3205...)
A=3,045.48
Q4 is C
Plug in the values on the bottom row of the table to each of the options & C is the only one that works.

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A contractor records all of the bedroom areas, in square feet, of a five-bedroom house as: 100, 100, 120, 120, 180 what is the v

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Variance = 864

Standard Deviation= 29.4

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3 years ago

Read 2 more answers

See the attachments below!!!

zavuch27 [327]

Answer:

1) x=0.465

2) option A.

Step-by-step explanation:

1) The given equation is:

${3}^{x + 2} = 15$ We rewrite this as logarithm to get:

$x + 2 = log_{3}(15)$

The change of base formula is:

$log_{b}(y) = \frac{ log(y) }{ log(b) }$

We apply the change of base formula on the RHS to get:

$x + 2 = \frac{ log(15) }{ log(3) }$

$x + 2 = \frac{1.176}{0.477}$

$x + 2 = 2.465$

Group similar terms:

$x = 2.465 - 2.000 = 0.465$

2)

From the graph, the logarithmic function approaches negative infinity as x approaches -6.

Therefore the vertical asymptote is x=-6

The graph touches the x-axis at x=-5, therefore the x-intercept is x=-5.

The correct answer is A.

6 0

4 years ago

Donovan is paying for gym classes. Each type of class has its own weekly fee. He signed up for x weeks of yoga classes and y wee

horsena [70]

Answer:

D

Step-by-step explanation:

4 0

3 years ago

Help me! Read the question carefully

prohojiy [21]

Answer:

21mm

Step-by-step explanation:

The formula for solving the area of a rhombus is : $\frac{1}{2}xy$ , where x and y are two intersecting diagonals.

In this case, we are given both values, thankfully. 6 and 7 are to be replaced with x & y. Now, the rest you have to do is simple math.

$(6 * 7) / 2 = 21$

The area of the rhombus is 21mm.

5 0

3 years ago

A movie theater has a seating capacity of 153. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults.

Katena32 [7]

Answer:

x (children) = 58

y (students) = 66

z (adults) = 29

Step-by-step explanation:

Step 1: Write system of equations

x + y + z = 153

5x + 7y + 12z = 1100

1/2x = z

The best way to solve the systems of equations is to use an augmented matrix:

Top row: [1 1 1 | 153]

Middle row: [5 7 12 | 1100]

Bottom row: [1/2 0 -1 | 0]

And then put it in RREF form:

Top row: [1 0 0 | 58]

Middle row: [0 1 0 | 66]

Bottom row: [0 0 1 | 29]

3 0

4 years ago