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In-s [12.5K]
2 years ago
12

Answer this question plsss!!

Mathematics
2 answers:
alukav5142 [94]2 years ago
8 0
3 is the answer. I hope I helped you. Brainliest is appreciated.
qaws [65]2 years ago
3 0
The answer is 3 hope it helps!
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If a = 7 and b = 11, what is the measure of ∠B? (round to the nearest tenth of a degree) A) 32.5° B) 39.2° C) 50.5° D) 57.5°
Ilia_Sergeevich [38]

Answer:

D) 57.5°

Step-by-step explanation:

As the question is not complete. So, let's suppose it is a right angle triangle then, we can apply Pythagoras theorem to calculate the hypotenuse or the third side.

Pythagoras Theorem = c^{2} = a^{2} + b^{2}

a = 7 and b = 11

a^{2} = 49

b^{2} = 121

Plugging in the values, we will get:

c^{2} = 49 + 121

c^{2} = 170

c = \sqrt{170}

To calculate the unknown angle B, we can use law of sine.

Law of sine = \frac{a}{sinA} = \frac{b}{sinB} = \frac{c}{sinC}

So,

\frac{c}{sinC} = \frac{b}{sinB}

\frac{\sqrt{170} }{sin90} =  \frac{11}{sinB}

Sin90 = 1

sinB = \frac{11}{\sqrt{170} }

B = sin^{-1} (\frac{11}{\sqrt{170} })

B = 57.5°

8 0
3 years ago
Solve for c<br>16 — 20 - 40​
givi [52]

Answer:

c=50

Step-by-step explanation:

6 0
3 years ago
3 equivalent ratios for 20/15
castortr0y [4]
4/3
40/30
60/45
Simply multiply or divide both the 20 and the 15 to get an equivalent ratio.
7 0
3 years ago
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Which percent is equivalent to One-half?<br> 1%<br> 2%<br> 25%<br> 50%
cupoosta [38]

Answer:

will be 50% eazy ez hhhhh

Step-by-step explanation:

4 0
3 years ago
The answer is 60, but I don’t know how to fill in the chart. Idk what I’m comparing.
FromTheMoon [43]

Answer:

you have to write the way you did the problem

Step-by-step explanation:

4 0
3 years ago
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