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3 years ago

13

True or false ? I’m the deductive thinking you formulate general ideas and rules based on your experiences and observations

2 answers:

AlekseyPX3 years ago

6 0

Answer:

True

Step-by-step explanation:

kicyunya [14]3 years ago

5 0

Answer:The answer is False. i hope i helped you out

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SOMEONE HELP WHAT IS THE ANSWER TO THESE QUESTIONS PLEASE HELP

romanna [79]

10.
Answer: 42° and 138°
Steps: First find value of x by adding both equations and setting them equal to 180°:
3x + 12x - 30 = 180
15x - 30 = 180
15x = 210
x = 14

Next, put value of x into equations to find the angle:
3x
3(14)
42°

12x - 30
12(14) - 30
168 - 30
138°

11. Answer: 28°
Steps: Complementary angles add up to 90°, so subtract 62° from 90° to find its complementary angle.
90 - 62 = 28

12. Answer: Corresponding angles are congruent.

7 0

3 years ago

When the effective interest rate is 9% per annum, what is the present value of a series of 50 annual payments that start at $100

ser-zykov [4K]

Answer:

$1,109.62

Step-by-step explanation:

Let's first compute the <em>future value FV.</em>

In order to see the rule of formation, let's see the value (in $) for the first few years

<u>End of year 0</u>

1,000

<u>End of year 1(capital + interest + new deposit)</u>

1,000*(1.09)+10

<u>End of year 2 (capital + interest + new deposit)</u>

(1,000*(1.09)+10)*1.09 +10 =

$\bf 1,000*(1.09)^2+10(1+1.09)$

<u>End of year 3 (capital + interest + new deposit)</u>

$\bf (1,000*(1.09)^2+10(1+1.09))(1.09)+10=\\1,000*(1.09)^3+10(1+1.09+1.09^2)$

and we can see that at the end of year 50, the future value is

$\bf FV=1,000*(1.09)^{50}+10(1+1.09+(1.09)^2+...+(1.09)^{49}$

The sum

$\bf 1+1.09+(1.09)^2+...+(1.09)^{49}$

is the <em>sum of a geometric sequence </em>with common ratio 1.09 and is equal to

$\bf \frac{(1.09)^{50}-1}{1.09-1}=815.08356$

and the future value is then

$\bf FV=1,000*(1.09)^{50}+10*815.08356=82,508.35564$

The <em>present value PV</em> is

$\bf PV=\frac{FV}{(1.09)^{50}}=\frac{82508.35564}{74.35572}=1,109.616829\approx \$1,109.62$

rounded to the nearest hundredth.

5 0

3 years ago

Which graph shows a proportional relationship between the values of x and y?

irakobra [83]

Answer:

not proportional

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

A tree crab has 4 fewer than twice the number of legs that a hermit crab

aivan3 [116]

Answer:

8

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is x+8=(-5) and how do expan it

aalyn [17]

Answer:

X= -13

Step-by-step explanation:

The goal is to get x by itself!

<em>Rule of thumb: whatever you do to the left, you MUST do to the right</em>

Step 1: Subtract 8 from the left side of the equation (the = sign)

x + 8 = (-5)

- 8 --> this gets x by itself

Step 2: Subtract 8 from (-5) on the right side <em>(because you did it on the left</em>

x = (-5)

- 8

*<em>note: x is now by itself*</em>

Step 3: Solve!

x = (-5) - 8 -13

x = -13

8 0

3 years ago