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vodka [1.7K]
3 years ago
13

Which of the following sets of angles of a triangle represents an acute triangle?

Mathematics
2 answers:
Andrei [34K]3 years ago
7 0
My answer would be B. i truly hope this is the answer u r looking for

Mademuasel [1]3 years ago
6 0
Abser is b hope this helps
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Describe and correct any error a student may have made when solving the equation
Lady_Fox [76]

Answer:

The student made an error during the distributive property in the second step where they multiplied 0.15 by -0.2 to equal -0.3 when it should have been -0.03.

Step-by-step explanation:

0.15(y-0.2)=2-0.5(1-y)\\0.15y-0.03=2-0.5+0.5y\\0.15y-0.03=1.5+0.5y\\100(0.15y-0.03)=100(1.5+0.5y)\\15y-3=150+50y\\15y-3-15y-150=150+50y-15y-150\\-153=35y\\-\frac{153}{35}=y

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2 years ago
What is the area of a sector with a central angle of \frac{5 \pi }{6} radians and a diameter of 5.6 in.? Use 3.14 for π and roun
kvasek [131]

Answer:

10.26 in²

Step-by-step explanation:

The area (A) of the sector is

A = area of circle × fraction of circle

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  = π × 2.8² × \frac{5}{12} ≈ 10.26 in²

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3 years ago
PLS HELP, I need help due today<br> Math questions, I will mark brainiest if correct
Kryger [21]
The first answer is -1.4
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3 years ago
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