3 years ago

Which angle is adjacent to _DFE? ZAFB ZAFC OBFD _BFC

Mathematics

1 answer:

Anastasy [175]3 years ago

5 0

Answer:

zafb

Step-by-step explanation:

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Angle Measurements

Naddik [55]

Answer:

X = 11

Complementary angles

Step-by-step explanation:

Complementary angles are when two angles add up to 90 degrees.

3x + 10 + 47 = 90

3x + 10 = 43

3x = 33

x = 11

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=2%20%2B%202" id="TexFormula1" title="2 + 2" alt="2 + 2" align="absmiddle" class="latex-formula

Semmy [17]

2+2=4 because 1+1+1+1 equals and those 2 problems are the same. You got to at least know 1+1+1+1.!

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3 years ago

Write the series using summation notation. Then find the sum of the series.

ivolga24 [154]

Hello, please consider the following.

$\displaystyle 1+2+3+...+12=\sum_{k=1}^{k=12} {k}=\dfrac{12*13}{2}=6*13=78$

For the second we will need to put on the same denominator.

$\displaystyle \dfrac{1}{2}+\dfrac{1}{4}+...+\dfrac{1}{14}=\sum_{k=1}^{k=7} {\dfrac{1}{2k}}\\\\=\dfrac{1}{2}\dfrac{420+210+140+105+84+70+60}{5*7*3*2*2}\\\\=\dfrac{1}{2}\dfrac{1089}{420}\\\\=\dfrac{1089}{840}=1.296429...$

Thank you.

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3 years ago

A set of 12 windup toys costs $9. What is the cost per windup toy?

-BARSIC- [3]

Answer:

0.75

Step-by-step explanation:

9 ÷ 12 = 0.75

hope this helps...

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2 years ago

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Does any one know how to do this

kkurt [141]

Answer:

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2 years ago

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