3 years ago

Given parallelogram ABCD with m B = 5x and mC = 3x+4. Find the number of degrees in mD

Mathematics

1 answer:

emmainna [20.7K]3 years ago

8 0

Answer: X=22

Step-by-step explanation:

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Michael is 17 year older than john.In 4 years,the sum of their ages will be 49.Find Michael's present age.

grin007 [14]

Michael's present age is 53

Step-by-step

17-4=13

John is 13

than when John will be 49

u add 4 to 49

4+49=53

so Michael is 53 because he is 4 years older :)

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4 years ago

Give a counterexample for the statement all square roots are irrational numbers

aksik [14]

Answer:

9, square root 3

Step-by-step explanation:

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4 years ago

Please help!:

My name is Ann [436]

The answer is 2 solution.

#Solution
$3x + 12 + 18 = 0 \\3x = - 18 - 12 \\ 3x = - 30 \\ x = - 10$
$3x + 12 - 18 = 0 \\ 3x = 18 - 12 \\ 3x = 6 \\ x = 2$

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4 years ago

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if a supplement of an angle has a measure 78 less than the measure of the angle, what are the measures of the angles?

Citrus2011 [14]

Answer:

x + x -78= 180

2x - 78= 180

2x = 258

x = 129

x-78= 51

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3 years ago

Soda A cost $1.49 per 28 oz. bottle vs. $0.95 per 21 oz.

IrinaVladis [17]

Answer:

You will be spending for Soda A for about 1 more cent than Soda B

Step-by-step explanation:

Find the rate of both sodas.

Soda A.

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Soda B.

0.95 / 21 = $0.0452 per oz.

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3 years ago