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3 years ago

PLEASE ANSWER ILL MARK BRAINIEST

Mathematics

2 answers:

notka56 [123]3 years ago

6 0

D is the correct answer (square root of 65)

AnnZ [28]3 years ago

4 0

You can use Pythagorean theorem to solve this problem so: a^2+b^2=c^2. 16+49=c^2. c=65. The answer is number 4.

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What is the measure of ZABC?

Finger [1]

Answer:

A. 85°

Step-by-step explanation:

By intersecting chords theorem:

$m\angle ABC= \frac{1}{2} (130 \degree + 40 \degree)$

$m\angle ABC= \frac{1}{2}\times 170 \degree$

$m\angle ABC= 85 \degree$

3 0

2 years ago

HELP PLZ I GIVE YOU BRAINLIEST IF YOU GET CORRECT PLZ I BEG YOU

DiKsa [7]

Answer:

Original number = 38

Step-by-step explanation:

10*x + y

x = y - 5

10y + x = 2 (10x + y) + 7

10y + y - 5 = 2(10(y - 5) + y) + 7

11y - 5 = 2(10y - 50 + y ) + 7

11y - 5 = 2(11y - 50) + 7

11y - 5 = 22y - 100 + 7

11y - 5 = 22y - 93

11y + 88 = 22y

88 = 11y

y = 8

x = y - 5

x = 8 - 5

x = 3

So the original number is 38. Does that work?

3 is 5 less than 8.

83 = 2*38 + 7

83 = 76 + 7

83 = 83. Yes it works.

8 0

2 years ago

How you will find out the value of 'n ' ?

saw5 [17]

Answer:

I don't know

Step-by-step explanation:

How you will find out the value of 'n ' ?

[ n! × 2^( n-4 ) / { 4! × ( n-4 )! } ] = [ n! × 2^( n-5 ) / { 5! × ( n-5 )! } ]

8 0

3 years ago

Use heron's formula to find the area of the triangle. round to the nearest square unit

GarryVolchara [31]

Did the question give you any lengths of the sides?

3 0

3 years ago

Using only an addition, how do you add eight 8’s and get the number 1000?

Kobotan [32]

888 + 88 + 8 + 8 + 8 = 1000

have a nice day!

8 0

1 year ago

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