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miss Akunina [59]
3 years ago
15

(5w+9) Solve this please

Mathematics
1 answer:
Lunna [17]3 years ago
4 0

Answer:

Simplifying

5w = 9

Solving

5w = 9

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Divide each side by '5'.

w = 1.8

Simplifying

w = 1.8

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Write a polynomial expression, in simplified form, that represents the AREA of the blanket and use the expression to evaluate th
pochemuha

Answer:

Polynomial expression that represents the area of blanket:

A(x)=(6x^2+5x-21)cm^2

If x=2: A(2)=13cm^2  

Step-by-step explanation:

The area of the rectangle can be calculated with the formula:

A=lw

Being l the lenght of the rectangle and w the width of the rectangle.

In this case, the lenght and the width are represented with:

l=(3x+7)cm

w=(2x-3)cm

Substitute them into  A=lw:

 A(x)=(3x+7)(2x-3)

Then:

Use Distributive property (Remember the Product of powers property: b^a*b^c=b^{(a+c)} ):

A(x)=(3x+7)(2x-3)\\A(x)=6x^2-9x+14x-21

Add like terms:

A(x)=(6x^2+5x-21)cm^2 (Simplied form)

Evaluate x=2:

A(2)=(6(2)^2+5(2)-21)cm^2\\A(2)=(6(4)+10-21)cm^2\\A(2)=(24-11)cm^2\\A(2)=13cm^2

6 0
3 years ago
gross income £12000 tax free allowance £6475 what is taxable amount @20%, tax payable,net income and weekly net amount how to wo
olganol [36]
We calculate for the taxable income by subtracting the tax free allowance from the gross income.

          Taxable income = Gross income - tax free allowanc
           Taxable income = (£12,000 - <span>£6,475)
                                    = </span><span>£5,525

Hence, the taxable income is equal to </span><span>£5,525.

Net income: 
This would be equal to the gross income minus the amount of taxes to be paid.
 
                 Net income = Gross income - amount of tax to be paid
                 Net income = (</span><span>£12,000) - (0.20)($5,525)
                 Net income = $10,895

Therefore,
         ANSWER: <em>$10,895</em></span>
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3 years ago
One method of estimating is to
nataly862011 [7]
One way of estimating is to Round the numbers to the nearest whole number.

Hope this helps!
3 0
3 years ago
Read 2 more answers
Tan 2θ; cos θ = 8 17 , θ in Quadrant I
SOVA2 [1]
The answer would be (20, 8) because it is in quadrant 1 and all numbers are posiive, so all you have to do is find wich one is the x codinate and wich one is y
5 0
3 years ago
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vladimir1956 [14]

Answer:

I really don't know , I am in 7th grade

3 0
3 years ago
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