13 is to 8 as x + 4 is to x

Answers

Answer 1

Answer: $(13)/(8) = (x+4)/(x) \n 13 * x = 8(x+4) \n 13x = 8x + 32 \n 5x = 32 \n x = 6.4$

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Solve the equation for y(x-3)^=4y-12

Answers

remember yuo can do anything to an equaiton as long as you do it to both sides

(x-3)=4y-12
x-3=4y-12
add 12 both sides
x-3+12=4y+12-12
x+9=4y+0
x+9=4y
divid both sides by 4
(x+9)/4=y

First

y(x + -3) = 4y + -12\

Then you would Reorder the terms:
y(-3 + x) = 4y + -12 (-3 * y + x * y) = 4y + -12

And theses (xy + -3y) = 4y + -12(xy + -3y) = 4y + -12

then we would Reorder the terms:xy + -3y = -12 + 4y

then you would Move all terms containing x to the left, all other terms to the right.

so that means we would Add '3y' to each side of the equation.xy + -3y + 3y = -12 + 4y + 3y

then you would want to Combine like terms: -3y + 3y = 0xy + 0 = -12 + 4y + 3y xy = -12 + 4y + 3y
Combine these two 4y + 3y = 7yxy = -12 + 7y
then we would want to Divide each side by 'y'.x = -12y-1 + 7

so after simplifying it, it would be x = 7 + -12y-1

A person came to work at 8:30 AM, went out at 11:45 AM, had lunch, came in at 12:30 PM, and left work at 5:15 PM. The total number of hours worked by this person was

Answers

Answer:

8 hours and 30 minutes ight.

Step-by-step explanation:

Some math and adding and stuff I did it in my head.

Answer:

Step-by-step explanation:

8 hours 30 minutes

An item has a listed price of $75. If the sales tax rate is 3%, how much is the sales tax (in dollars)?

Answers

The sales tax for the item is $2.25.

How to solve for the sales tax

To calculate the sales tax amount, you can multiply the listed price by the sales tax rate. Given that the sales tax rate is 3% and the listed price is $75:

Sales tax amount = Listed price * Sales tax rate

Sales tax amount = $75 * 0.03

Sales tax amount = $2.25

The sales tax for the item is $2.25.

Read more on sales tax here brainly.com/question/30109497

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Answer:

Net Price: $ 75.00

+ Sales Tax (3%): $ 2.25

Total Price: $ 77.25

Each participant in a certain study was assigned a sequence of 3 different letters from the set {a, b, c, d, e, f, g, h}. if no sequence was assigned to more than one participant and if 36 of the possible sequences were not assigned, what was the number of participants in the study? (note, for example, that the sequence a, b, c is different from the sequence c, b,a.) 20

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Number of possible sequence of 3 in 8 = 8P3 = 8! / (8-3)! = 336
36 were not assigned so number participants = 300 (answer).

Just the red triangle use the Phytogram theorem please :(

Answers

The missing side is 10.770033

Explanation: The formula for the triangle is A^2 + B^2 = C^2. So plugging that into this equation is 10^2 + 4^ = C^2, making it 116 = C^2, square root both sides and it equals 10.770033.

The original price of a kind of phone is $1050. Then, it’s price decreases by $50 per month. Calculate the price of the phone after 12 months