3 years ago

Which of the figures below have the same area?

Mathematics

1 answer:

12345 [234]3 years ago

6 0

Answer:

2 and 3 cuz they both have An area of 24

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I only need the answer to question B

nalin [4]

Answer:

x=5

y=1

Step-by-step explanation:

The substitution method is considered easier because of its simplification.

2x-3y=7 (1)

x+2y=7 (2)

considering equation (2),

x = 7 - 2y (3)

using the value of "x" in (1)

2 (7-2y) - 3y=7

14 - 4y- 3y = 7

14 - 7y = 7

7y = 14 - 7

7y = 7

y = 1 (4)

substituting this value of "y" in (3)

x = 7- 2(1)

x = 5

3 0

3 years ago

Solve the system: 2x+6y=36 x+4y=20

Assoli18 [71]

Let's solve this problem step-by-step

Let's set:

2x + 6y = 36 -- equation 1

x + 4y = 20 -- equation 2

(equation 2) * 2

2x + 8y = 40 -- equation 3

(equation 3) - (equation 1)

2y = 4

y = 2 -- equation 4

Plug (equation 4)'s value of y into (equation 2)

x + 4(2) = 20

x = 20 - 8

x = 12

Thus x = 12 and y = 2

Let's check, by substituting these values

$2x + 6y = 36\\2(12)+6(2) = 36\\24+12=36\\36=36\\\\x+4y=20\\12+4(2)=20\\12+8=20\\20=20$

Answer: x = 12 and y = 2

Hope that helps!

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2 years ago

The king who retains power by tradition of allegiance ensures that a religious doctrine is enforced as government policy. Which

vaieri [72.5K]

Answer:

The answer is C.This country has both a democracy and a theocracy

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3 years ago

Can somebody please help me with 10 Probability #?

OLga [1]

I'm sorry but I know the answer is deffinetly c or d

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3 years ago

Factor n2 + 8n + 12 completely.

spin [16.1K]

Answer:

(+2)(+6)

Step-by-step explanation:

2+8+12

:) Hope this helped

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2 years ago

Read 2 more answers