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Mars2501 [29]
3 years ago
5

HELLPPP PLSSS100÷10+3-100+ (6+ 19)+ 3 × -5 -19+100​

Mathematics
1 answer:
Ksivusya [100]3 years ago
3 0

Answer:

4

Step-by-step explanation:

I used a Calculater

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Naddik [55]
2.37t = feet, where t is time, in minutes. for 6 minutes we do 2.37(6) = 14.22 feet
7 0
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Examine the diagram.<br> What is the value of x?
allochka39001 [22]

Answer:

x = 10

Step-by-step explanation:

Since two angles lie on line M, we know that their sum will be equal to 180. Since we know one the their angles, we subtract 136 from 180 and get 44.

We also know that the sum of all a triangle interior angle together equal 180. We all ready have two of those angles so we can now find the third.

44 plus 90 equals 134.

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7 0
3 years ago
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What is the exact value of cos (67.5° )?
Brilliant_brown [7]

Answer:

0.38268343

Step-by-step explanation:

cos( 67.5 )

Rewrite  

67.5

as an angle where the values of the six trigonometric functions are known divided by  2 . cos ( 135\ 2)

Apply the cosine half-angle identity.

±

√

1

+

cos

(

135

)

2

 

Change the  

±

to  

+

because cosine is positive in the first quadrant.

√

1

+

cos

(

135

)

2

Simplify  

√

1

+

cos

(

135

)

2

√

2

−

√

2

2

The result can be shown in multiple forms.

Exact Form:

√

2

−

√

2

2

Decimal Form:

0.38268343

…

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4 years ago
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Step-by-step explanation:

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3 years ago
There are 20 children in the cast of a class play, and 8 of the children are boys. of the boys, 4 have a speaking part in the pl
likoan [24]
The probability that a child with a speaking part is chosen randomly would be 2:5.
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