Find the solution 2x+5y=12

Answers

Answer 1

Answer:
You can draw a graph of that equation. When you do that, the graph is a
straight line, and EVERY POINT on the line is a solution of the equation.
There are an infinite number of them.

You can find as many of them as you want. Pick any number you like
out of the air, and call it 'x'. Now find the number that's 2.4 more than
negative 0.4 of 'x' and that's 'y'. Together they form one solution to
the equation.

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What is the negative square root of 0.64??????

A bag contains 6 red marbles and 30 white marbles. If a representative sample contains 3 red marbles, then how many white marbles would you expect it to contain?

Answers

there are 36 marbles total.
if the sample contains 3 red marbles, then that is half of the total amount of 6. therefore, half of each color is being taken for the sample. this means that you should expect for there to be 15 while marbles in the sample.

How would i graph y=2x+5

Answers

To be able to graph this you need to start on -2 on the y-axis then move up 5 then 1 to the right

The dot should be on (1,3)

320 girls, 180 boys what percent are girls

Answers

if we have 320 girls and 180 boys so the total number is 320 + 180 = 500 so the percent of girls will be:
320/500 = ?/100
so ? is your answer:
320 * 100 /500 = 64% :)))
i hope this is helpful
have a nice day

First add them up to to find the total. 320+180=500. 320 out of 500 is 320/500, which is 0.64, which is 64%.

What is the approximate volume of the cone? Use 3.14 for pi

A. 1206 cm
B. 2170 cm
C. 3260 cm
D. 6510 cm

Answers

Answer:

Step-by-step explanation:

V=(pi)(r^2)(h/3)

This is the formula for volume

V=3.14(12^2)(8/3)

plug this into a calculator and make sure you use parenthesis!

V=1205.76

The answer is A

An artis creates an abstract sculpture that appears as a box perched on top of a post the box is in the shape of a cube with edges measuring 5 inches each it is placed on top of a post in the shape of a rectangular prism with a length of 3 inches a width of 4 inches and a height of 18 inches what is the volume of the entire sculpture?

Answers

Volume of the box = length ^ 3 = 5^3 = 125 cubic inches
Volume of rectangular prism = length x width x height = 3 x 4 x 18 = 216 cubic inches
Volume of entire sculpture = volume of box + volume of rectangular prism = 125 + 216 = 341 cubic inches.

What is
$2 (5)/(6) * 1 (2)/(3)$

Answers

Answer:

4 13/18

Step-by-step explanation:

This problem is equivalent to 17/6 times 5/3, which comes out to 85/18, or 4 13/18.

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Need help.Picture has it all..Correct answers only please.