how much 45% acid solution should be mixed with a 30% acid solution to make 450 ml of a 40% acid solution?

Answers

Answer 1

Answer: We do as follows:

let x = amount of 45% solution
y = amount of 30% solution

overall balance => x + y = 450
acid balance => .45x + .30y = .40(450)

Solving simultaneously, we will have:

x = 300 mL
y = 150 mL

This is assuming that partial molar properties does not affect the volume greatly. Hope this answers the question. Have a nice day.

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Find the average of 72,95,100,85,and 88

Answers

Answer:

Step-by-step explanation:

72 + 95 + 100 + 85 + 88=440

440/5=88

Your dinner in London cost 82 British pounds. How muchwas it in U.S. dollars?

Some one please help me ASAP!!!

Answers

In U.S. dollars, the equivalent money will be $100.74

What is a expression? What is a mathematical equation? What do you mean by domain and range of a function?

A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.

A mathematical equation is used to equate two expressions.

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Given is your dinner in London cost 82 British pounds

Then in U.S. dollars, the equivalent money will be equivalent to -

x = 82 pounds = 82 x 1.2286 = $100.74

x = $100.74

Therefore, in U.S. dollars, the equivalent money will be $100.74

To solve more questions on Equations, Equation Modelling and Expressions visit the link below -

brainly.com/question/14441381

#SPJ2

the answer is $108.32

The orange shape is a dilation of the black shape. What is the scale factor of the dilation?1/10 1/2 10 2

Answers

Answer:

Scale = ¼

Step-by-step explanation:

See attachment for complete question.

In the attached, we have.

Width = 4 units. ----- Orange

Width = 16 units ------- Black

Required

Determine the scale of dilation

The scale of dilation can be calculated as:

Scale = Width(orange)/Width (black)

Scale = 4/16

Scale = ¼

Hence, the scale of dilation is ¼

Renya plans to make a down payment plus monthlypayments in order to buy a motorcycle. At one dealer
she would pay $2,450 down and $175 each month. At another dealer, she would pay $3,050 down and
$150 each month. After how many months would the total amount paid be the same for both dealers?
What would that amount be?
After months Kenya will have paid $ for the bike at elther dealer. PLS HELP ASAP

Answers

Answer:

For the first, it would take 6 months to reach $3,500. For the second dealer, it would take 3 months to reach $3,500.

Explanation:

I hope this helps!

Write the equation of the line that passes through the points 7, -4 and -1, 3 first and point-slope form and then in slope intercept form

Answers

Answer:

The slope of the line is -7/8

When the point (7, -4) is used, the point-slope form of the line is y+4=(-7/8)(x-7)

The slope-intercept form is y=(-7/8)x+(17/8)

Step-by-step explanation:

Answer:

point slope form:

y - 3 = -4/3(x- (-1))

slope intercept form:

y = -4/3x + 13/3

Step-by-step explanation:

So if the points are (7, -4) and (-1,3) then we can use those points to figure out the slope.

y2-y1/x2-x1 is the forumla for the slope

3-7/ -1 - (-4) --> -4/-1+4 --> -4/3

point slope form:

y - y1 = m(x-x1) ~ you can choose either of the two points to use, you should get the same answer

y - 3 = -4/3(x- (-1))

y - 3 = -4/3x+4/3

add 3 to both sides

y = -4/3x + 13/3 ~ slope intercept form

Rectangle J'K'L'M' shown on the grid is the image of rectangle JKLM after transformation. The same transformation will be applied on trapezoid STUV.Rectangle JKLM is drawn on the grid with vertices J at negative 8, negative 8, K at negative 4, negative 8, L at negative 4, ne

What will be the location of T' in the image trapezoid S'T'U'V'? (1 point)

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