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Kaylis [27]
2 years ago
13

Find ∠BCD A)60 B)20 C)80 D)120

Mathematics
1 answer:
liq [111]2 years ago
3 0

Answer:

  • We know : The exterior angle is equal to the sum of two non-adjacent interior amhles. Set up an equation and solve for x :

\longrightarrow \tt5x + 10 = 3x + 3x

\longrightarrow \tt \: 5x  + 10= 6x

\longrightarrow \tt10 = 6x - 5x

\longrightarrow \tt \: 10 = x

Replacing value :

✯\tt m \:  \angle \: \: BCD = 5 \times 10 + 10 =  \boxed{ \tt{60}}

  • Our Final answer is 60 .

-------------- HappY LearninG <3 -------

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Hey hun can any of y'all help me?
11111nata11111 [884]
\bf \cfrac{5}{\frac{1}{6}+\frac{1}{x+1}}\qquad \cfrac{}{\impliedby LCD\textit{ will be 6(x+1)}}\implies \cfrac{5}{\frac{1(x+1)+1(6)}{6(x+1)}}&#10;\\\\\\&#10;\cfrac{5}{\frac{x+1+6}{6(x+1)}}\implies \cfrac{\frac{5}{1}}{\frac{x+7}{6(x+1)}}\implies \cfrac{5}{1}\cdot \cfrac{6(x+1)}{x+7}\implies \cfrac{30(x+1)}{x+7}

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6 0
3 years ago
What is the reciprocal of 8 8/5 ?
Ksenya-84 [330]

Answer:

\frac{5}{48}

Step-by-step explanation:

The reciprocal of a number n is \frac{1}{n}

Given 8 \frac{8}{5}, change to an improper fraction

= \frac{5(8)+8}{5} = \frac{48}{5}, thus

reciprocal = \frac{1}{\frac{48}{5} } = \frac{5}{48}

3 0
3 years ago
Help pleaseeeeee !!!!
masha68 [24]

Answer:

P(10) = 26237[1 + 0.024]^10

Step-by-step explanation:

From the information given :

Initial population, P0 = 26, 237

Annual growth rate, r = 2.4%

Number of Years, n = 10

The general exponential growth relation is give as :

P(x) = P0(1 + r)^n

Where ;

P(x) = population after x years

P0 = Initial population

r = growth rate

n = number of years

P(10) = 26237[1 + 0.024]^10

5 0
2 years ago
Change 0.8 to a common fraction.
Anon25 [30]
This one could be 8/10, or 4/5 simplified 
8 0
3 years ago
Read 2 more answers
Find the missing measures
Yanka [14]
The middle right is 145-90, so 55°. I'm not sure about the others
7 0
3 years ago
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