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KonstantinChe [14]
3 years ago
6

Ray BD bisects 2ABC. Use the diagram and the given angle measure to

Mathematics
1 answer:
Alenkinab [10]3 years ago
5 0
Assuming you mean angle ABC and not 2ABC?
Since ray BD bisects angle ABC we can set the two angle measures given equal to each other.
2x+7=4x-41
Solve for x=24
Plug in the x to find angle ABD 2(24)+7=55
therefore angle ABD is 55 and angle DBC is 55 so angle ABC is 110
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Can anyone help me fast?
Yanka [14]

Answer:

b=8

Step-by-step explanation:

b²+15²=17²

b²+225=289

b²=289-225

b²=64

b= 8

I hope I helped you^_^

7 0
3 years ago
Read 2 more answers
WORTH 99 POINTS!
Ksivusya [100]
The general formula for the lateral surface area of a regular pyramid is:
A= \frac{1}{2} *p*l
Where:
p=perimeter of a base
l=slant height

a.
a=3ft
l=4ft
p=5*a=5*3=15ft
A= \frac{1}{2} *15*4=30 ft^{2}

b.
a=2.5ft
l=4ft
p=6*a=6*2.5=15ft
A= \frac{1}{2} *15*4=30 ft^{2}

c.
a=1.9ft
l=4ft
p=8*a=8*1.9=15.2ft
A= \frac{1}{2} *15.2*4=30.4 ft^{2}

d.
Based on a lateral surface area the blue umbrella is best choice. But, the best umbrella overall is the one with the greatest base area. General formula for regular polygon is:
A= \frac{1}{4} *n* a^{2}*cot( \frac{180}{n} )

For pentagon:
A=15.48ft^2
For hexagon:
A=16.24ft^2
For octagon:
A=17.43ft^2
Blue umbrella is still best choice.
8 0
3 years ago
Read 2 more answers
What is the difference between the 13th square number and the 3rd square number?​
Ksenya-84 [330]

Step-by-step explanation:

169 - 9 = 160

6 0
3 years ago
How many times does 21 go in to 190
Lerok [7]
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Its 9.5 Also i like Trains 190 ÷ 21 = 9.5

8 0
3 years ago
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Raquel’s favorite basketball player scored 25, 17, 38, 11, and 24 points during her games.
spayn [35]
Mean=average=sum of terms/number of terms...

(25+17+38+11+24)/5

115/5

23


5 0
3 years ago
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