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2 years ago

Hi, please help me me by demonstrating how to solve these 2 questions step by step :)

Mathematics

1 answer:

myrzilka [38]2 years ago

6 0

The given height of the shape is calculated to be 1,895.04 inches.

<h3>How to solve for the height</h3>

We have the following details required to solve this problem

The distance b1 = 800 m

The angle of elevation β1 = 50°

distance b2 = 1450 m

- The new angle of elevation α = 33°

We first have to find the height of h1

800 x tan 50 degrees

= 953.40

The height of h2

1450 x tan 33

= 941.641

The height of the shape is the sum of the heights of h1 and h2

953.40 + 941.641

= 1,895.04

Hence the height of the shape is given as 1,895.04 inches.

Read more on the height of a shape here:

brainly.com/question/16182232

#SPJ1

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Which functions represent the arithmetic sequence 8, 1.5, –5, –11.5 . . . ? Check all that apply.

tiny-mole [99]

f(n) = -6.5n + 14.5

&

f(1) = 8, f(n+1) = f(n) - 6.5

4 0

3 years ago

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Given a = -3, b = 4 and c= -5, evaluate -la - bl + c.

Katena32 [7]

Answer:

-12

Step-by-step explanation:

Step 1: Plug in the values: - |-3 - 4| - 5

Step 2: Solve!

= - |-7| -5

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4 years ago

500 principal earning 3% compound monthly, after 10 years.

mamaluj [8]

Answer:

D. $674.68

Step-by-step explanation:

We will use the well known equation for compound interest

$A = P(1 + \frac{r}{n})^{nt}$

Where

$A$ is the final total
$P$ is the principal amount (starting total)
$r$ is the interest rate as a decimal
$n$ is the number of times the interest is compounded each year
$t$ the number of years

Plugging in what we know from the question:

$A = 500(1+\frac{0.03}{12})^{12 \times 10}\\A = 500(1.34935355)\\A = 674.68$

So the answer is D.

Hope this helps!

4 0

3 years ago

Solve.

Feliz [49]

The answer is x>-11/24

4 0

4 years ago

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The product of five rational numbers is positive. At most,

Nata [24]

Answer:

Step-by-step explanation:

if we have 5 numbers so to make it positive we will need more amount of +ve integers or an even amount of negative integers

so at least there must be two or four rational numbers that are negative if the total number of negative integers is not even then it will not be a positive one

7 0

3 years ago