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Otrada [13]
3 years ago
13

How to verify 15^3 - 4^3 - 11^3 using identities​

Mathematics
1 answer:
alisha [4.7K]3 years ago
7 0

Answer:

fin your anwer  on math papa

Step-by-step explanation:

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In right triangle ABC, if angle A is 90 degrees, angle C is 34 degrees, and AC is 71.4, find BC.
AURORKA [14]

We are given that

In right triangle ABC, if angle A is 90 degrees, angle C is 34 degrees, and AC is 71.4, find BC.

Solution

We will first draw a diagram to illustrate the information

Above we want to find x

The method to use is SOHCAH

From the right angle triangle above we have above, we have the adjacent side and we want to find the hypotenus, so we use cosine

i.e

\cos 34=\frac{71.4}{x}

We need to solve for x here

\begin{gathered} x=\frac{71.4}{\cos 34} \\ x=86.12396152 \\ x=86.1\text{ (to the nearest tenth)} \end{gathered}

Thus, |BC| = 86.1 (to the nearest tenth

8 0
1 year ago
Xavier is designing a display for a bulletin board that is 3.5 feet wide. He wants to place a 14-inch-wide poster in the center
TEA [102]
3.5 feet converted to inches is 42 inches.  42"-14"=28"  

28" divided by 2 sides is 28/2 = 14" on either side if the poster remaining
7 0
4 years ago
Please this for me I don’t get it :/
Georgia [21]

Answer:

x = 3

Step-by-step explanation:

-5x + 10 = -5

<u>        -10    -10</u>

-5x = -15

divide by -5

x = 3

3 0
3 years ago
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Please help!!! Circle theorems
il63 [147K]

Answer:

n+35=180

n=180-35

n=145

6 0
3 years ago
What is the value of x in the equation 1/3x + 7 = -2
Dmitriy789 [7]
The value of x is -27

1/3(-27) + 7 = -2

-9 + 7 = -2

-2 = -2

Hope this helps!

5 0
3 years ago
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