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Anna007 [38]
3 years ago
11

Consider the graph of quadrilateral ABCD.

Mathematics
2 answers:
svp [43]3 years ago
8 0

Answer:

Parallelogram

Step-by-step explanation:

Give the most specific classification for quadrilateral ABCD: parallelogram, rhombus, a rectangle, or square.

Umnica [9.8K]3 years ago
3 0

Answer:

Square

Step-by-step explanation:

The quadrilateral has 4 congruent sides that form 4 right angles.

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Circle O has a circumference of 36π cm.
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Answer:

r = 18 cm

Step-by-step explanation:

The formula for the circumference of a circle is 2πr.

Hence,

2πr = 36π

r = 18 cm

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John worked 43 hours last week. His hourly rate is $9.00. He has the following deductions taken from his pay: Social Security ta
disa [49]

Assuming John does not get premium pay for hours over 40, his pay will be ...

... 43 hours × $9.00 = $387

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3 years ago
Read 2 more answers
1. Kalena was asked to prove ifx(x - 1)(x + 1) = x3 - X represents a polynomial identity. She
Verdich [7]

Answer:

C. Kalena made a mistake in Step 3. The justification should state: -x²

+ x²

Step-by-step explanation:

Given the function x(x - 1)(x + 1) = x3 - X

To justify kelena proof

We will need to show if the two equations are equal.

Starting from the RHS with function x³-x

First we will factor out the common factor which is 'x' to have;

x(x²-1)

Factorising x²-1 using the difference of two square will give;

x(x+1)(x-1)

Note that for two real number a and b, the expansion of a²-b² using difference vof two square will give;

a²-b² = (a+b)(a-b) hence;

Factorising x²-1 using the difference of two square will give;

x(x+1)(x-1)

Factorising x(x+1) gives x²+x, therefore

x(x+1)(x-1) = (x²+x)(x-1)

(x²+x)(x-1) = x³-x²+x²-x

The function x³-x²+x²-x gotten shows that kelena made a mistake in step 3, the justification should be -x²+x² not -x-x²

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3 years ago
The graph of a relation is shown.
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Please help.................
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Is that thick line an equal or a minis sign? I cant see it.

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