2 years ago

Quadrilateral A’B’ C’ D ‘ is the result of reflecting quadrilateral ABCD across line l

Mathematics

1 answer:

daser333 [38]2 years ago

4 0

Answer:

Step-by-step explanation:

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Mary took a math test and she got four questions incorrect and 21 correct. What percent did answer correctly?

AnnZ [28]

Answer:

84%

Step-by-step explanation:

21 correct + 4 wrong = 25 questions in total

$\frac{21}{25}$ x 4 = $\frac{84}{100}$

$\frac{84}{100}$ = 0.84

0.84 = 84%

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2 years ago

Work out the length X.

ohaa [14]

Answer:

16.34

Step-by-step explanation:

Is pythagoreons Theron

256 + 11.25 = c squared

267.25 = c squared

16.34 equals approximately c

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3 years ago

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What is 63 divided by 28

Mariana [72]

Answer:

2.25

Step-by-step explanation:

$63 \div 28 = \frac{63}{28} = \frac{9}{4} = 2 \frac{1}{4} = 2.25$

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34R x R = 1725<br><br> what kind of problem is this

mel-nik [20]

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Step-by-step explanation:

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2 years ago

What is the product mentally of (ab + 3)(ab - 3)

AleksAgata [21]

Answer:

ab² - 9

Step-by-step explanation:

Given in the question an expression

(ab + 3)(ab - 3)

To product mentally we will use polynomial identity called

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here a = ab

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(ab + 3)(ab - 3) = ab² - 3² = ab² - 9

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2 years ago

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