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Mandarinka [93]
3 years ago
9

Find the measures of the numbered angles of the parallelogram.

Mathematics
1 answer:
frosja888 [35]3 years ago
6 0

Answer:

1=40

2=140

3=40

Step-by-step explanation:

We know on side

140 and side 2 are equal

1 and 3 are equal

So since 140 and 2 are equal

140*2=280

360 degrees total in any 4 sided shape

360-280=80

80/2=40

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50 quarts of 5% butterfat and 1% butterfat milk are to be mixed.

<u>SOLUTION: </u>

First, I will set up my table. I will fill in the unknowns with variables x and y.

The table is attached below

From the table attached below, we can easily set up the two equations.  

<em>Sum of values of two milks = Value of mixture  </em>

0.05x + 0.01y = 3  

For convenience, we'll multiply the entire equation by 100,

5 x + y = 300 ------> (1)  

Now, Sum of amounts of each acid = Amount of mixture  

x + y = 100 ---------> (2)

Subtracting equation (2) from (1),  

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− − − − − − − −

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Substituting x = 50 in (2),

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y  = 100 – 50 = 50  

hence, 50 quarts of 5% butterfat and 1% butterfat milk are to be mixed.

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3 years ago
What is the length of the hypotenuse of the triangle?
kari74 [83]

Answer:

The last answer \sqrt{65}

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4 0
1 year ago
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Triangle DEF is a right triangle. Angle F is a right angle and m∠E=29°.<br><br> What is m∠D?
Aleksandr-060686 [28]

All triangles have 180o in them when the 3 angles making them up are added together.


Givens

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D = ???


Equation

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Substitute and solve

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<D = 61

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