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3 years ago

PLSS HELP ME 12/12 + 12/12 + 7/12=_____

Mathematics

2 answers:

tiny-mole [99]3 years ago

4 0

2 7/12

This is because 12/12 is equal to 1/1 or 1. So 12/12 + 12/12 = 2.

2 + 7/12= 2 7/12

Diano4ka-milaya [45]3 years ago

3 0

Answer:

-----

Step-by-step explanation:

12 12 7 31

---- + ------- + ----- = -------

12 12 12 12

Add the numerators together (top number) and keep the denominator the same (bottom number)

I hope this helps!

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A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, t

otez555 [7]

Answer:

Distance covered by the boat was 446.27 feet

Step-by-step explanation:

A boat which is at the point C approaching the light house.

At point C angle of depression to the boat was 17°44' and when boat stops at point B angle of depression was 48°13'.

Length of the tower is 200 feet then distance DC traveled by the boat.

Since at point B angle of depression was 17°44' so we will convert the angle in degrees.

Angle of depression = ∠ACB = 17°44' = $17+\frac{44}{60}=17+0.73=17.73$

From ΔABC

tan 17.73° = $\frac{200}{BC}$

$0.320=\frac{200}{BC}$

$BC=\frac{200}{0.32}= 625 feet$

Now in ΔABD

∠ADB = 48°13' = 48° + $\frac{13}{60}=48 + 0.217$ = 48.217°

Now $tan(48.217)=\frac{200}{BD}$

$BD=\frac{200}{1.119}=178.73 feet$

Therefore distance DC = BC - BD

DC = 625 - 178.73 = 446.27 feet

So the answer is 446.27 feet was distance covered by the boat.

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4 years ago

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sergeinik [125]

Answer:

F, I’m not sure but i would go with F since you want the original cost or rather “c”, you want to divide that to get the $5.50 which it states that that’s the half price.

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3 years ago

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Write 25/60x15/50 in lowest terms

Serggg [28]

25/60 x 15/50
(25x15) (60x50) = 375/3000 = 1/8
Because 3000 divided by 375 is 8 so it would be 1/8

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3 years ago

The area of a rectangular folder is 63 square inches. The folder is 7 inches wide. How long is

ra1l [238]

It’s 9inches ! Because area=width •length

Therefor you can divide 63 by 7 to get 9

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4 years ago

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The formula to convert degrees Celsius to degrees Fahrenheit is 9/5 C + 32 equals F use this equation to find the Celsius equiva

ehidna [41]

Answer:

86 °F = 30 °C

Step-by-step explanation:

Put the given number in the equation and solve for C.

86 = 9/5C +32

54 = 9/5C

(5/9)54 = C = 30

The equivalent is 30 degrees Celsius.

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3 years ago