At one store Julia save $10 with the coupon for 20% off her total purchase at another store the $24 she spent on books is 40% of her total bill how much did Julia spend it all at the two stores

Answers

Answer 1

Answer: At the first store, Julia spent 50 dollars. Since 20 percent is 100 divided by 5, you multiply the 10 dollars by 5 to get 50 dollars.

At the second store, Julia spent. Since 12 dollars is 20 percent, multiply 12 dollars by 5 to get 60 dollars.

50+60= 110. Julia spent 110 dollars altogether.

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What's the vertex and how did you get it?

Answers

The

$3x^2 + 24x + 36 = 0 \implies 3(x^2 + 8x) + 36 = 0 \implies \n \n 3\left\{x^2 + {\bf 8}x + \left((\bf 8)/(2) \right)^2 - \left((\bf 8)/(2) \right)^2 \right\} + 36 = 0 \implies \n \n 3\left\{x^2 + {\bf 8}x + 16 - 16 \right\} + 36 = 0 \implies \n 3\Big\{(x+4)^2 - 16 \Big\} + 36 = 0 \implies \n \n 3(x+4)^2 - 16(3) + 36 = 0 \implies 3(x+4)^2 - 12 = 0$

The vertex is (-4, 12) because a(x - b)^2 + c has vertex (b, c) so 3(x+4)^2 - 12 has vetex (-4, 12)

One serving of punch is 250 milliliters will ten servings fit in a 2-liter Bowl????

Answers

It will be enought explaination:

First of all I jsed a chart to find where milli is located
K H D U D C M.
M stands for milli so it takes 1000 milli to get 1 liter.
Since 250 milli is one serving
250x10=2500
Evn thiugh it is above 2000 it still a yes

Mother gives birth to a 8 pound baby. Every 4 months, the baby gains 3 pounds.If x is the age of the baby in months, then y is the weight of the baby in pounds.

Find an equation of a line in the form y = mx + b that describes the baby's weight.

Answers

Hello!

The equation, y = mx + b is slope-intercept form. In this equation, m is the slope, and b is the y-intercept.

If the baby was exactly 8 pounds when it was born, then the y-intercept is (0, 8) because at zero months, the baby was eight pounds. To find the rate of change, we can use the the y-intercept (0, 8), and the weight of the baby at four months, which is (4, 8 + 3) → (4, 11).

Since we have two points, we can use the slope formula $((y_(2)-y_(1))/(x_(2)-x_(1)))$ to find the rate of change.

$(8 -11)/(0-4) = (-3)/(-4) = (3)/(4)$ .

The rate of change is 3/4.

Therefore, the equation that describes the baby's weight is y = 3/4x + 8.

What is the equation of the line that is parallel to the line 5X+2Y= 12 and passage to the point -2, 4

Answers

Step-by-step explanation:

To determine the equation of the line parallel to $5x + 2y = 12$ , we need to first determine the slope of the given line.

A line in slope-intercept form is represented by the following:

$y = mx + b$

where $m$ is the slope of the line and $b$ is the y-intercept.

Rearranging the given line will give us the slope of the line:

$5x + 2y = 12$

$2y = -5x + 12$

$y = -(5)/(2)x + 6$

From this, since we know the lines are parallel, if the slope of the given line is $-(5)/(2)$ , then the slope of the line we are constructing must also be $-(5)/(2)$ .

We can now start to construct the line with the same slope-intercept form:

$y = mx + b$

$y = -(5)/(2)x + b$

To determine the y-intercept, $b$ , we can plug in the point $(-2, 4)$ since we are told from the problem statement that this parallel line runs through it:

$y = -(5)/(2)x + b$

$4 = -(5)/(2)(-2) + b$

$4 = 5 + b$

$b = -1$

Finally, we have our parallel line:

$y = -(5)/(2)x - 1$

If this line needs to be in standard form, we can rearrange it a little:

$2y = -5x - 2$

$5x + 2y = -2$

The width of a rectangular lawn is 39 feet. A diagonal of the lawn is 89 feet. What is the length of the rectangular lawn, in feet.A. 50
B. 64
C. 80
D. 89

Answers

The length of the rectangular lawn is A. 50 feet.

An apartment has 115 square meters of carpeting. How much is this in square feet? Use the following conversion: 1 square meter is 10.8 square feet.

Answers

1,242 is the awnser I am pretty sure

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