How do you figure out 2/5 of a $1.25

Answers

Answer 1

Answer: Well 2/5 in decimal form is 0.40. Multiply 0.40 • $1.25. You'll get $0.5

Answer 2

Answer: the answer is $0.50 because 2/5 of a dollar is 40% so then you turn that into a decimal which is .4 and multiply that by 1.25.

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Write an equation of the line that passes through (−4, −9) and is parallel to the line y=4x .

Answers

Answer:

y = 4x + 7

Step-by-step explanation:

parallel = same slope

y = 4x + b

plug in (-4, -9)

-9 = 4(-4) + b

-9 = -16 + b

b = 7

y = 4x + 7

Answer:

7=4x+7

Step-by-step explanation:

To do this you would just plug in (-4,-9) into the equation y=mx+b so we would get -9=4(-4)+b when you simplify you will get -9=-16+b so we would add 16 to both sides and we would get 7=b so we would know that the y intercept is 7 and we know that if a line is parallel to another line is just has a different b so for our equation we would get 7=4x+7

The scale is 2 inches:4 feet ,find the scale factor

Answers

remember: 1 feet = 12 inches
4 feet = 48 inches

scale: 2 inches: 48 inches

The factor is 48 ÷ 2 = 24

Mike measured the volume of liquids in his science experiment. Sample A had a volume of 4.828 liters. Sample B had a volume of 0.17 liters. The volume of Sample A is how many times the volume of Sample B?

Answers

Answer: 28.4

Step-by-step explanation:

Given : Mike measured the volume of liquids in his science experiment. Sample A had a volume of 4.828 liters. Sample B had a volume of 0.17 liters.

Then, the number of times volume of Sample A is greater than the volume of Sample B is given by :-

$\frac{\text{Volume of Sample A}}{\text{volume of Sample B}}\n\n=(4.828)/(0.17)\n\n =28.4$

Hence, the volume of Sample A is 28.4 times the volume of Sample B.

you have to divide 4.828 and .17 and you will get 28.4

-2x2+x+8=0 use the quadratic formula to solve the equation

Answers

x = -1 is the answer to -2x2+x+8=0

Which is the equation of a line that has a slope of 1/2 and passes through point (2, -3)?

Answers

The equation of a line that has a slope of 1/2 and passes through point (2, -3) is 2y - x = -8

The standard equation of a line in slope-intercept form is expressed as:

y = mx + b where:

m is the slope
(x0, y0) is the point on the line

Given the following:

Slope = 1/2

(x0, y0) = (2, -3)

Substitute the given parameters into the formula above:

$y - (-3) = 1/2(x-2)\ny + 3 = 1/2(x-2)\n2(y +3) = x - 2\n2y + 6 = x - 2\n2y -x = -2-6\n2y - x = -8\n$

Hene the equation of a line that has a slope of 1/2 and passes through point (2, -3) is 2y - x = -8

Learn more here: brainly.com/question/21536974

So for this, I will be making the equation using the slope-intercept form, which is y=mx+b (m = slope, b = y-intercept).

Since we have the slope, 1/2, we can just plug in (2,-3) into the equation and solve for b as such:

$-3=(1)/(2)*2+b\n -3=1+b\n -4=b$

Putting everything together, our equation is y = 1/2x - 4.

I JUST FORGOT HOW TO DO THIS HELP PLEASE !!! A bag contains tiles.There are 24 red tiles,30 blue tiles, and 36 green tiles.Which ratio is equivalent to 5:4 ?

Answers

blue tiles:red tiles
30:25
5:4

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