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liraira [26]
3 years ago
7

I need help on 1-6. Please

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0
There's no pic or worksheet!!
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Manuela solved the equation below.<br><br><br><br> What is the solution to Manuela’s equation?
BabaBlast [244]

For this case we have the following equation:

2 (x + 2) = x-4

Applying distributive property to the terms within the parentheses on the left side of the equation we have:

2x + 4 = x-4

Subtracting "x" on both sides of the equation we have:

2x-x + 4 = -4\\x + 4 = -4

Subtracting 4 on both sides of the equation we have:

x = -4-4\\x = -8

Answer:

x = -8

6 0
4 years ago
Read 2 more answers
Write an equation of the line that passes through (-3,3) and is perpendicular to the line 2y = 8x - 6​
Aliun [14]
Y=4x-3
M of new line = -1/4

y=(-1/4)x+b
3=(-1/4)(-3)+b
3=(3/4)+b
b=9/4

y=(-1/4)x+(9/4)
3 0
3 years ago
Find the average rate of change of f ( x ) = 3 x 2 − 9 on the interval [ 2 , b ] . Your answer will be an expression involving b
iVinArrow [24]

Answer:

m = 3b+6

Step-by-step explanation:

Given

f(x)=3x^2 - 9

Required

The average rate over [2,b]

Average rate (m) is calculated using:

m = \frac{f(b) - f(a)}{b - a}

Where

[a,b] = [2,b]

So, we have:

m = \frac{f(b) - f(2)}{b - 2}

Calculate f(b) and f(2)

f(x)=3x^2 - 9

f(b)=3b^2 - 9

f(2)=3*2^2 - 9 = 12 - 9 = 3

So, we have:

m = \frac{f(b) - f(2)}{b - 2}

m = \frac{3b^2 - 9 - 3}{b - 2}

m = \frac{3b^2 - 12}{b - 2}

Expand the numerator

m = \frac{3b^2 + 6b-6b-12}{b - 2}

Factorize

m = \frac{b(3b + 6)-2(3b+6)}{b - 2}

Factor out 3b + 6

m = \frac{(b -2)(3b+6)}{b - 2}

Cancel out b - 2

m = 3b+6

4 0
3 years ago
I am doing this test and I need questions questions ASAP I will give brainiest to whoever answers it correctly
Troyanec [42]

Answer:

The correct answer there is the first option

6 0
3 years ago
Jessica's monthly gross pay is $5,660. Each month she has $355 in deductions,
Shtirlitz [24]

Answer:

The net pay of her will be $4702.21

Step-by-step explanation:

The State Tax plus Social Security Taxes plus Medicare takes (3 + 6.2 + 1.45) = 10.65% from Jessica's monthly gross pay.

If the gross pay is $5660 then the after the above deduction the remaining pay will be 5660(1 - \frac{10.65}{100}) = 5057.21 dollars.

Now, again there is a deduction of $355 from her payment each month.

Therefore, the net pay of her will be = $(5057.21 - 355) = $4702.21 (Answer)

5 0
3 years ago
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