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Serhud [2]
2 years ago
9

PLZ HELP ASAPPPP PLEASE

Mathematics
1 answer:
Law Incorporation [45]2 years ago
6 0

Answer:

(-1, -8)

Step-by-step explanation:

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Which diagram shows that the two triangles must be congruent
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D. 2 and 3 only

Step-by-step explanation:

I took the test. I am in Honors Geometry.

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PLEASE HELP a right triangle is removed from a rectangle to create the shaded region shown below. Find the area of the shaded re
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Answer:

56m²

Step-by-step explanation:

First, find the area of the entire rectangle:

10 × 8 = 80

Then, find the area of the triangle:

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Step-by-step explanation:

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2 years ago
How much of an alloy that is 10% copper should be mixed with 600 ounce of an alloy that is 70%copper in order to get an alloy th
svetoff [14.1K]

Answer:

1200 ounces

Step-by-step explanation:

How much of an alloy that is 10% copper should be mixed with 600 ounce of an alloy that is 70%copper in order to get an alloy that is 30%copper?

Let us represent

Number of ounce of 10% copper = x

Hence, our Equation =

x × 10% + 600 × 70% = (x + 600) × 30%

0.1x + 420 = (x + 600)0.3

0.1x + 420 = 0.3x + 180

Collect like terms

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x = 240/0.2

x = 1200 ounces

7 0
2 years ago
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