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Tju [1.3M]
3 years ago
12

NEED NOW!!!

Mathematics
2 answers:
Temka [501]3 years ago
5 0

Answer:

The first one: y - 2 = -5(x - 2)

Step-by-step explanation:

larisa [96]3 years ago
4 0

Answer:

the function y – 2 = –5(x – 2) is linear.

Step-by-step explanation:

We need to find the correct option from provided options which represents a linear function

Since, the linear equation is in the form of <u>y=mx+c </u>where m is slope of line.

In first part y – 2 = –5(x – 2)

Simplify, the function

y -2 = -5x + 10

Add both the sides by 2, in above equation

y = -5x +12

This function is in the form of y=mx+c

so, this is a linear function

In second part x + 7 = –4(x + 8)

Simplify, the function

x+7= -4x+32

subtract both the sides by 7, in above expression

x= -4x+32-7

x= -4x+25

add both the sides by 4x,

x +4x= 25

5x= 25

divide both the sides by 5,

x =5

This is not in the form of y=mx+c

so, this is not a linear function

In third part y – 3 = y(x + 4)

Simplify, the function

y-3= yx+4y

add both the sides by 3,

y= yx+4y+3

This is not in the form of y=mx+c

so, this is not a linear function

In fourth part y + 9 = x(x - 1)

Simplify, the function

y+9= x^{2}-x

subtract both the sides by 9,

y= x^{2}-x-9

This is not in the form of y=mx+c

so, this is not a linear function

Therefore, the function y – 2 = –5(x – 2) is linear.

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If a finance professional recommends that you save 10% of your income each month and Julie spends 30% on rent and 40% on all oth
german

Answer:

The percentage of income she should use on the rest of her expenses=20%

Step-by-step explanation:

Step 1: Determine her total income

Let her total percentage income be =100%

Step 2: Determine amount of each expense

The amount of each expense can be expressed;

Amount of each expense=percentage of total expense×total income

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percentage expense on savings=10%

b). Rent

percentage expense on rent=30%

c). Fixed expenses

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d). The rest expenses

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replacing;

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