4 years ago

If I work 3:30 p.m. and left at 12:15 midnight how many hours did I work

Mathematics

2 answers:

Klio2033 [76]4 years ago

3 0

You worked for a total of 9 hours and 15 minutes.
Hope this helps! (:

frutty [35]4 years ago

3 0

8 hours and 45 minutes

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Lubov Fominskaja [6]

Answer:

32°

Step-by-step explanation:

The two given angles are complementary, it means they add to 90°

Find x:

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Find Y:

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3 years ago

Which expression is equivalent to (2to the third power) times -5?

Airida [17]

2 to the third power is 2³

so 2 to the third power times -5 is 2³ * (-5)

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3 years ago

What is the value of x?

sineoko [7]

90 = 49 + x
90° - 49° = x
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3 years ago

What is an equation of the line that passes through the points (2, - 7) and (2, -2)? Answer:

ratelena [41]

What is the equation for? Is it to find the slope?

4 0

3 years ago

Need some help on this question???

JulijaS [17]

Answer: 4

Step-by-step explanation:

Given

PA=6, PD=4, BE=5

We know, If PEB is a secant that intersects the circle at E and B and PA be a tangent at A, then

$PA^2=PE\cdot PB$

Substitute the given values

$\Rightarrow 6^2=(PE+BE)\cdot(PE)\\\Rightarrow 36=(PE+5)\cdot(PE)$

Take $PE=x$

$\Rightarrow 36=x^2+5x\\\Rightarrow x^2+5x-36=0\\\Rightarrow x^2+9x-5x-36=0\\\Rightarrow (x+9)(x-4)=0\\\Rightarrow x=-9,4$

Discard $x=-9$

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3 years ago