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UNO [17]
3 years ago
13

Mike invested $7500 in stocks. He is considering transferring his investment to another fund because since making his investment

, the value of his investment has been decreasing by 0.4% per month. If Mike's investment continues to decrease at this rate and he doesn't transfer it to another fund, how long will it take for the stock's value to be less than $7000?
Mathematics
2 answers:
Fed [463]3 years ago
6 0
About 17 months
Actual number 16 2/3
Alona [7]3 years ago
5 0
7000=7500 (1-0.004)^x
Solve for x
X=log(7,000÷7,500)÷log(1−0.004)
X=17.21 months
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Please HELP me I need it :)
kakasveta [241]
The answer is C. 1

You can just plug in the different answers for x and see which one equals zero.

F(1) = 1 + 4 + 1 - 6 = 0
6 0
3 years ago
Read 2 more answers
The measure of angle R is 148° and the measure of angle S is 85°, find the measure of angle T.
Talja [164]

so you have a 148+85+85=318, 360-318=42 is the measure of angle T because all four angles together make 360



8 0
3 years ago
X
sergeinik [125]

Answer:

A. x = 58°

B. x = 10m

C. a = 44°

All approximated to nearest whole number.

Step-by-step explanation:

All triangles given are right angled triangles. Therefore, we would apply the trigonometry functions to solve for each missing side and angle.

Recall: SOHCAHTOA

a. Adjacent = 4.8cm,

Hypotenuse = 9cm

Angle to find =x°

Thus, we would apply the following formula:

Cos θ = Adjacent/Hypotenuse

Cos θ = 4.8/9 = 0.5333

θ = Cos-¹(0.5333) = 57.77

x ≈ 58° (to nearest whole number)

b. Opposite side = x

Hypothenuse = 40 m

Included angle = 14°

We would use:

Sine θ = opposite/hypothenuse

Sin (14) = x/40

Multiply both sides by 40

40*sin(14) = x

40*0.2419 = x

x = 9.676 = 10 m (to nearest whole number)

c. Opposite = 87mm

Adjacent = 91mm

θ = a°

We would use:

Tan θ = opposite/adjacent

Tan θ = 87/91

Tan θ = 0.9560

θ = tan-¹(0.9560)

θ = a = 43.71

a ≈ 44° (to nearest whole number)

7 0
3 years ago
(6 points) The diagram below, shows a shape. Work out the area of the shape.<br><br><br> ......cm^2
Marianna [84]

Answer:

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Or is it c. 10.96 or d 13.0 (sorry the rest couldn’t fit in the picture) please help me I don’t get it.
solong [7]
We have a right triangle with legs of 6 and 8. The hypotenuse is unknown so let it be x for now

Plug these three values
a = 6
b = 8
c = x
into the Pythagorean Theorem below. Then solve for x

a^2 + b^2 = c^2
6^2 + 8^2 = x^2
36+64 = x^2
100 = x^2
x^2 = 100
sqrt(x^2) = sqrt(100) ... apply the square root to both sides
x = 10

The final answer is 10 ft. This option isn't listed which makes me think your teacher made a typo somewhere. 

6 0
3 years ago
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