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mario62 [17]
2 years ago
8

In the diagram below, line AC intersects triangle BDE at B. Choose True or False for each statement.

Mathematics
1 answer:
mixer [17]2 years ago
6 0

Answer:

t'

f

t

Step-by-step explanation:

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my last question was deleted for asking whats 2+2 & may i just say , i have learned from my consequence , that when im bored
castortr0y [4]

Answer:

4

Step-by-step explanation:

7 0
3 years ago
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A metallurgist has one alloy containing 34% copper another containing 48% copper. How many pounds of each alloy must he use to m
Zielflug [23.3K]

Answer:

<h2>36.14 pounds of 34% copper alloy and 9.86 pounds of 48% copper alloy</h2>

Step-by-step explanation:

        First alloy contains 34% copper and the second alloy contains 48% alloy.

We wish to make 46 pounds of a third alloy containing 37% copper.

       Let the weight of first alloy used be x in pounds and the weight of second alloy used be y in pounds.

       Total weight = 46\text{ }pounds=x+y        -(i)

      Total weight of copper = 37\%\text{ of 46 pounds = }34\%\text{ of }x\text{ pounds + }48\%\text{ of }y\text{ pounds }

       \dfrac{37\times 46}{100}=\dfrac{34x}{100}+\dfrac{48y}{100}\\\\ 34x+48y=1702        -(ii)

       Subtracting 34 times first equation from second equation,

34x+48y-34x-34y=1702-34\times46\\14y=138\\y=9.857\text{ }pounds \\x=36.143\text{ }pounds

∴ 36.14 pounds of first alloy and 9.86 pounds of second alloy were used.

5 0
3 years ago
2c + 4d<br> C=8<br> D=-5<br> Please help
Dahasolnce [82]

Answer:

2c+4d

if c=8 and D=5,

2(8)+4(5)

16+20

=36

Step-by-step explanation:

5 0
2 years ago
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Wiil mark bianleast plz plz hlpe
Andrews [41]

Answer:

18 since 12 x 2 = 24 so 9 x 2 = 18

Step-by-step explanation:

5 0
3 years ago
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A triangle has side lengths of 10 cm, 24 cm, and 32 cm. Classify the triangle as acute, obtuse, right of not a triangle.
Stolb23 [73]
It would be obtuse.   
8 0
3 years ago
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