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Lorico [155]
4 years ago
15

Angles BAE and FAC are straight angles. What angle relationship best describes angles BAC and DAC?

Mathematics
1 answer:
vova2212 [387]4 years ago
3 0

Answer:

They are adjacent angles

Step-by-step explanation:

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1/2log25-2log3+log8​
Schach [20]

Answer:

log base 10 of 40/9, log(40/9), or 0.6478

Step-by-step explanation:

Easiest and fastest way to do this is to plug it into the calc because the log base 10 of those numbers given will be nasty decimals.

4 0
4 years ago
Please help! answer and explanation please!
fomenos

Answer:

2.15d+3.12 = 11.72

Step-by-step explanation:

The total cost is found by adding the costs of the donuts and the cost of the drink

The donuts cost 2.15 per donut = 2.15d

The drink is 3.12

She spent 11.72

2.15d+3.12 = 11.72

7 0
3 years ago
Read 2 more answers
Help me please I don’t know how to do this
Evgesh-ka [11]

Answer:

Step-by-step explanation:

I guess it’s option D.

Cuz we have to find angle K and 140 minus 60 makes 80 so that’s the answer.

8 0
4 years ago
Complex numbers are often used when dealing with alternating current (AC) circuits. In the equation V = IZ, V is voltage, I is c
gizmo_the_mogwai [7]
V=IZ\\\\1+i=I\cdot(2-i)\quad|:(2-i)\\\\\\I=\dfrac{1+i}{2-i}=\dfrac{(1+i)(2+i)}{(2-i)(2+i)}=\dfrac{2+i+2i+i^2}{2^2-i^2}=\dfrac{2+3i-1}{4-(-1)}=\dfrac{1+3i}{5}\\\\\\\\\boxed{I=\frac{1+3i}{5}=\frac{1}{5}+\frac{3}{5}i}
4 0
3 years ago
Find the values of e, a, b, and c for r = 24/(4 + 2sin theta)
Kaylis [27]

Answer:

Step-by-step explanation:

r=24/(4+2sin θ)

4r+2r sin θ=24

divide by 2

2r+r sin θ=12

2√(x²+y²)+y=12

2√(x²+y²)=12-y

squaring

4(x²+y²)=144-24y+y²

4x²+3y²+24y=144

4x²+3(y²+8y+16-16)=144

4x²+3(y+4)²-48=144

4x²+3(y+4)²=144+48

4x²+3(y+4)²=192

divide by 192

\frac{x^2}{48}+\frac{(y+4)^2}{64}=1

which is an ellipse with centre(0,-4) major axis on y-axis.

a^2=64\\a=8\\major axis=2*8=16\\b^2=48\\b=4\sqrt{3}\\minor ~axis=2*4 \sqrt{3}=8 \sqrt{3}\\b^2=a^2(1-e^2)\\48=64(1-e^2)\\1-e^2=48/64=3/4\\e^2=1-3/4=1/4\\e=1/2\\c^2=a^2-b^2\\c^2=64-48=16\\c=4

7 0
4 years ago
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