3 years ago

Two trapezoids-shaped tabletops are congruent to each other trapezoid FGHI =trapezoid WXYZ must be congruent to GH

Mathematics

1 answer:

Sliva [168]3 years ago

6 0

Answer: B: WX

Step-by-step explanation:

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molle have 100098765 her mom gave her 800000 A week later she got 90000 Tow dAyS later she spent 900000 how much dose sHe HaVe

dangina [55]

Answer:

100088765

Step-by-step explanation:

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3 years ago

Prove the polynomial identity.

aleksandr82 [10.1K]

Explanation:

Since we have given that

$(2x+1)^2-2(2x+1)$

Now, we have to prove it as

$(2x+1)(2x-1)$

Now, start the iterations:

$(2x+1)^2-2(2x+1)\\\\=4x^2+1+4x-4x-2\\\\=4x^2+1-2\\\\=4x^2-1\\\\=(2x)^2-1\\\\=(2x+1)(2x-1)$

So, first blank will be filled with

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Second blank will be filled with

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Hence proved.

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3 years ago

David keeps records of his monthly earnings. Last month he worked 120 hours and earned $2700. This month he worked 100 hours and

lianna [129]

F(x) = 20x+300
you sub in the x values (120 hours and 100 hours) for each equation
the only one they both work for is the last one
f(x) = 20x + 300
f(100) = (20 * 100) + 300 = 2000 + 300 = 2300

f(120) = (20 * 120) + 300 = 2400 + 300 = 2700

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3 years ago

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Which of the following terms best describes a condition in which a qauntity decreases at a rate that is proportional to the curr

Ede4ka [16]

Answer:

D. Negative slope

Step-by-step explanation:

Since it is a proportional relation, it must be linear. A line has a slope. Since it is decreasing, it is a negative slope.

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3 years ago

How to change 3 7/8 into an improper fraction

VladimirAG [237]

3 7/8

So we can use this $a \frac{b}{c} = \frac{(a \times c) + b}{c}$

So we get

$3 \frac{7}{8} = \frac{(3 \times 8) + 7}{8}$

= $\frac{24+7}{8} = \frac{31}{8}$

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3 years ago

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