3 years ago

-3x-5y=-7 -4x+5y=14 solve by elimination

Mathematics

1 answer:

Ymorist [56]3 years ago

3 0

Answer:

es 3/54 eso da My brother

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Mark incorrectly evaluated the expression 4x+12-x to the power of 2 where is x-2. Identify and correct mark’s mistake.

nirvana33 [79]

Answer:

The value of $4x+12-x^2$ is 16.

Step-by-step explanation:

The given expression is $4x+12-x^2\ at\ x=2$ .

Put x = 2 in the above expression as follows :

$4x+12-x^2=4(2)+12-(2)^2\\\\=8+12-4\\\\=16$

Hence, the final answer is 16.

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3 years ago

Find the area of the shape.

Ganezh [65]

Answer:

If im correct, 50.26

Step-by-step explanation:

Just use the radius to find the area as if it was a normal circle than divide by 4

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3 years ago

27 devided by 1234 chunking method

QveST [7]

Answer:

Step-by-step explanation:

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3 years ago

There are 25 coins inside a container. Some of the coins are nickels, and the rest are quarters. The value of the coins is $4.05

dem82 [27]

Answer:

n + q = 25
0.05n + 0.25q = 4.05

Step-by-step explanation:

<em>Two equations</em> are required to represent this problem as posed.

1. An equation for the number of coins:

n + q = 25

2. An equation for the value of the coins:

0.05n + 0.25q = 4.05

4 0

3 years ago

If 3x – 2 = 13, what is the value of x?

inessss [21]

Answer:

x = 5

Step-by-step explanation:

$3x - 2 = 13 \\ 3x = 13 + 2 \\ 3x = 15 \\ x = \frac{15}{3} \\ \huge \red{ \boxed{ x = 5 }}$

8 0

3 years ago

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