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EastWind [94]
3 years ago
15

Solve this equation for x: 2.2 + 12x – 7=0

Mathematics
1 answer:
Ivenika [448]3 years ago
5 0

Answer:

the answer is isolate the constant term by adding 7 to both sides of the equation

Step-by-step explanation:

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Why does it take 3 copies of 1/6 to show the same amount as 1 copy of one half
taurus [48]
Because 3/6 is equal to 1/2 (one half).
3 0
3 years ago
Wayne is hanging a string of lights 78 feet long around the three sides of his piano, which is adjacent to his house. The length
Sauron [17]

Answer:

The width is 18 feet and the length is 42 feet

Step-by-step explanation:

Let x feet be the width of the patio. The length of the patio is 6 feet longer than twice it’s width, then the length of the patio is 2x+6 feet.

Wayne is hanging a string of lights 78 feet long around the three sides of his patio, which is adjacent to his house. The side with length 2x+6 feet is adjacent to the house, so Wayne is hanging a string along three sides with lengths x ft, x ft and 2x+6 ft.

Hence,

x+x+2x+6=78\\ \\4x=78-6\\ \\4x=72\\ \\x=18\ ft

The width = 18 ft

The length =2\cdot 18+6=36+6=42 ft

7 0
4 years ago
BRAINLIEST!!!<br> 12. Determine whether each pair of functions are inverse functions.
denpristay [2]

Answer:

The answer is 2nd point

Step-by-step explanation:

In this question, inverse of f(x) is equals to g(x). First, you must know how to find the inverse of f(x). In order to find the g(x), you must let f(x) = y and make x thd subject :

1.

Let y = (10x+9)/8

y = (10x+9)/8

8y = 10x + 9

8y - 9 = 10x

(8y-9)/10 = x

x = (8y-9)/10

g(x) = (8x-9)/10 (Remember to convert y back to x)

2.

Let y = x - 9

y = x - 9

y + 9 = x

x = y + 9

g(x) = x + 3

Next, by looking in no.1, the inverse of f(x) is wrong and in no.2, it shows the correct form of inverse. So only 2 is an inverse function

4 0
3 years ago
Theo wants to use a cookie recipe
marissa [1.9K]

Answer:

3 cups of sugar

Step-by-step explanation:

you increase it as per ratio,in this case ratio is 1.5

4 0
3 years ago
HELP FAST
erica [24]

The gross weekly salary of Billy, as the jewelry salesman is $1,222.28

What is the weekly  gross salary for Billy?

The weekly gross salary for Billy comprises of the base salary of $975 and the commission of 3.5% on sales revenue earned for the week

base salary=$975

3.5% commission on sales=3.5%*sales revenue

sales revenue=$7,065

3.5% commission  on sales=3.5%*$7,065

3.5%  commission on sales=$247.28

The total week gross salary is the sum of $975 base salary and the commission on sales

gross weekly salary=$975+$247.28

gross weekly salary=$1,222.28

Find out more about performance-based payment on:brainly.com/question/15957313

#SPJ1

7 0
2 years ago
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