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Leya [2.2K]
3 years ago
14

Which is another way to write 42+63?

Mathematics
1 answer:
eduard3 years ago
7 0
Forty two plus sixty three that's your answer 
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Why might you want to round to the nearest hundred rather than the nearest ten?
Eva8 [605]
Rounding to the nearest hundredth would equal a more accurate and precise answer since more decimals are present. Your answer would be even more accurate if you rounded to the nearest thousandth.
7 0
2 years ago
A 70-foot wire attached to the top of a building is anchored to the ground 20 feet from the base of the building. Which value is
JulijaS [17]

Answer:

The the angle which the wire make with the ground is 1.280 radian .

Step-by-step explanation:

Given as :

The length of the wire attached to the top of building = OB = 70 foot

The distance of wire anchored from base of ground = OA = 20 feet

Let the angle made by wire en and ground = Ф

Now from ,  In Triangle AOB

Cos angle = \dfrac{\textrm Base}{\textrm Hypotenuse}

Or, Cos Ф =  \dfrac{\textrm OA}{\textrm OB}

or, Cos Ф =  \dfrac{\textrm 20}{\textrm 70}

Or, Cos Ф =  \dfrac{\textrm 2}{\textrm 7}

∴  Ф = Cos^{-1}(\frac{2}{7})

I.e Ф = 73.39°

Now in radian ,

∵ 180° = \pi radian

∴ 73.39° = \frac{\pi }{180} × 73.39°

             =  \frac{3.14 }{180} × 73.39° = 1.280 radian

Hence The the angle which the wire make with the ground is 1.280 radian . Answer

4 0
2 years ago
Read 2 more answers
I still don't get how to do this: Solve for t then simplify your answer. -6/5t=9
stepladder [879]

Answer:

t= \frac{-15}{2}

Step-by-step explanation:

Multiply both sides by 5/(-6).

\frac{5}{-6} *\frac{-6}{5}=\frac{5}{-6}*9

ik the doesnt rlly make any sense but hope this helps

5 0
3 years ago
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Please helpppppppppppppppppppp
Anna007 [38]

Answer:

the missing value is -1.......

3 0
2 years ago
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Please help hurry i will give brain
mars1129 [50]

Answer:

A

Step-by-step explanation I counted the numbers.

7 0
2 years ago
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