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3 years ago

I really need help on these 2 questions. please help me if you can.

Mathematics

2 answers:

Greeley [361]3 years ago

8 0

Number 8 is 36cm i dont know about the other question

slega [8]3 years ago

7 0

B and d because the answer for the one that has a black screen you divide and for the other one the answer is not there

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2 years ago

Given the information in the picture, which trigonometric identity can be used to solve for the height of the blue ladder that i

Stells [14]

The trigonometric identity can be used to solve for the height of the blue ladder that is leaning against the building is $\rm sin=\dfrac{o}{h}$ .

We have to determine

Which trigonometric identity can be used to solve for the height of the blue ladder that is leaning against the building?.

<h3>Trigonometric identity</h3>

Trigonometric Identities are the equalities that involve trigonometry functions and hold true for all the values of variables given in the equation.

Trig ratios help us calculate side lengths and interior angles of right triangles:

The trigonometric identity that can be used to solve for the height of the blue ladder is;

$\rm Sin47=\dfrac{50}{H}\\\\H=\dfrac{50}{sin47}\\\\H=68 feet$

Hence, the trigonometric identity can be used to solve for the height of the blue ladder that is leaning against the building is $\rm sin=\dfrac{o}{h}$ .

To know more about trigonometric identity click the link given below.

brainly.com/question/1256744

6 0

3 years ago

How many repeating digits does the number 0.1515 have<br>

timama [110]

Answer:

I suppose it has 4 digits.

Step-by-step explanation:

The fractional equivalent of the repeating decimal would be 15/99.

5 0

3 years ago

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What is the answer to this question

Alexus [3.1K]

Answer:

Step-by-step explanation:

because, A right angle has an angle of 90° degree

so, 41+49

= 90

hence, proved.

if it helps don't forget to like and mark me

6 0

3 years ago

What property would you use to find an equivalent expression for 8 + ( 7 + 9)?

marissa [1.9K]

Answer:

Associative Property

Step-by-step explanation:

I would use the Associative Property because it states that you can add any numbers together no matter how they are separated or grouped (with parentheses).
Knowing what we said in step 1, here are some other ways you can write the expression given (they are written in the steps below)
8 + 7 + 9
(8 + 7) + 9
(8 + 9) + 7

I hope this helps!

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3 years ago

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