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GalinKa [24]
3 years ago
12

What is the length of AC

Mathematics
2 answers:
svlad2 [7]3 years ago
8 0
The answer is B, ane i do not know how to explain this
igomit [66]3 years ago
3 0

Answer:

Option A

Step-by-step explanation:

In the given right angle triangle ABC,

BC = 15 m and m∠A = 55°

We have to calculate the measure of side AC.

Since tanA = \frac{Height}{Base}

tan55 = \frac{15}{AC}

1.428 = \frac{15}{AC}

1.428(AC) = 15

AC = \frac{15}{1.428}

AC = 10.5 m

Therefore, Option A. AC = 10.5 m is the answer

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C + 6 &gt; 5c - 2<br>solved and proof​
Elena L [17]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

c < 2

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

c+6>5c - 2\\--------------\\\\\rightarrow5c - 2< c + 6 \leftarrow \text{Notice how the sides are switched.}\\\\\rightarrow 5c - c -2 < c - c + 6\\\\\rightarrow 4c -2 < 6\\\\\rightarrow 4c - 2 + 2 < 6 + 2\\\\\rightarrow 4c  < 8\\\\\rightarrow \frac{4c

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

4 0
2 years ago
1. 232 is 8 times the sum of Mark's and his sister's ages. His sister is 21. Find Mark's age.
AURORKA [14]

Answer:

a. 8 years

b. $49.20

Step-by-step explanation:

The computation is shown below:

a. The mark age is

Given that

232 is 8 times of the sum of mark and his sister ages

And, his sister is 21

So,

Let us assume the mark age be x

now

8(x + 21) = 232

x + 21 = 29

x = 29 -21

x = 8

b. The original price of the socks is

As each pair get $3 off

And she bought 6 pairs for $31.20

= $31.20 + 6 × $3

= $31.20 + 18

= $49.20

3 0
3 years ago
(-4) (-4) rewrite expression use exponent rather then repeating multiplication
vekshin1

Answer:4^2 or (-4)^2

Step-by-step explanation:

I don't really know how to explain it. I can try if you want

4 0
3 years ago
A polynomial is to be constructed that has 9 turning points. What is the minimum degree of the polynomial?
Ganezh [65]
A polynomial with 9 turning points has a power of 10. It must have one more power than the number of turning points.

8 0
3 years ago
What is the following number written as a percentage<br> .4543
Cloud [144]

Answer: 45.43%

Step-by-step explanation:

3 0
3 years ago
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