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Reika [66]
2 years ago
7

Given ABC is an isosceles triangle with AB = BC. If the measure of A)43° B)86° C)94° D)137°

Mathematics
2 answers:
nalin [4]2 years ago
6 0

Answer:

iiiii

Step-by-step explanation:

egoroff_w [7]2 years ago
4 0

Answer:

D

Step-by-step explanation:

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.<br> Evaluate the series 1 + 0.1 + 0.01 + . . .
EastWind [94]

We can employ a simple repeated decimal trick:

x=1.111\ldots

0.1x=0.111\ldots

\implies x-0.1x=1\implies0.9x=1\implies x=\dfrac1{0.9}=\dfrac{10}9

###

Alternatively, we can compute the partial sum of the series.

\displaystyle S_n=\sum_{k=0}^n\dfrac1{10^k}

S_n=1+0.1+0.01+\cdots+\dfrac1{10^n}

0.1S_n=0.1+0.01+0.001+\cdots+\dfrac1{10^{n+1}}

\implies S_n-0.1S_n=0.9S_n=1-\dfrac1{10^{n+1}}

\implies S_n=\dfrac{10}9-\dfrac9{10^n}

As n\to\infty, the second term vanishes and we're left with \dfrac{10}9. Notice that this is really just a more formal version of the earlier trick.

6 0
3 years ago
Read 2 more answers
Can someone help please !! I appreciate it
kkurt [141]
ANSWER
x=2
EXPLANATION
I’m smart don’t worry
7 0
3 years ago
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Devaughn is 15 years younger than Sydney. The sum of their ages is 73. What is Sydney’s age?
Olegator [25]

Answer:

Sydney is 44 years old

Step-by-step explanation:

<u>Step 1:  Make a system of equations </u>

d = s - 15

<em>d + s = 73 </em>

<u>Step 2:  Plug in s - 15 for d in the second equation and solve </u>

s - 15 + s = 73

2s - 15 = 73 + 15

2s  / 2= 88 / 2

<em>s = 44 </em>

Answer:  Sydney is 44 years old

6 0
3 years ago
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Together Pam, Dan and Sam have 31.00. How many dollars does Sam have if Dan has 3.00 less than Pam, and Sam has 1.00 more than p
shepuryov [24]

Answer:

16.00 dollars

Step-by-step explanation:

7 0
3 years ago
How would the following triangle be classified?
Anna [14]

Answer:

hope this helpful

Step-by-step explanation:

isosceles right

because A light ray incident at 90° at the first face emerges at the same angle. The diagram shows five isosceles right-angled prisms. A light ray incident at 90° at the first face emerges at the same angle with the normal from the last face.

8 0
3 years ago
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