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kkurt [141]
2 years ago
9

Factorise 6x - 3y + 9 Please explain how to do this

Mathematics
1 answer:
wel2 years ago
5 0

Answer:

3(2x-y+3)

you factor every number in the math question.

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Write the algebraic expression that represents the following
MAXImum [283]

Answer:

9x -5

1/2(6x +22)

2(x-7)-9

x2 -11

4 0
2 years ago
How much is more the value including 13% vat on rs 4000 thann rs 4500
Hoochie [10]

Answer:13/100x×4000=4500

13x×40=4500

480x=4500

x=4500/480

8 0
3 years ago
Read 2 more answers
Please find the area
Schach [20]

Answer:

132 ft²

Step-by-step explanation:

If you combine the two triangles of the 'roof', you get a rectangle of 6x5.5=33, where 6 is calculated as 15-9 and 5.5 comes from 11/2.

Add to that the area of the rest of the 'house', which is a rectangle of 9x11=99

and the total area is 63+99 = 132.

3 0
3 years ago
A plant in the manufacturing sector is concerned about its sulfur dioxide emissions. The weekly sulfur dioxide emissions follow
egoroff_w [7]

Answer:

The correct option is b) 1.70

Step-by-step explanation:

Consider the provided information.

The weekly sulfur dioxide emissions follow a normal distribution with a mean of 1000 ppm (parts per million) and a standard deviation of 25.

Thus, μ=1000 and σ = 25

The CEO wants to know if the mean level of emissions is different from 1000.

Therefore the null and alternative hypothesis is:

H_0:\mu =1000 and H_a:\mu \neq1000

The sample size is n = 50 and \bar x=1006 ppm.

Now calculate the test statistic by using the formula: z=\frac{\bar x-\mu}{\frac{\sigma}{\sqrt{n}}}

Substitute the respective values in the above formula.

z=\frac{1006-1000}{\frac{25}{\sqrt{50}}}

z=\frac{6}{\frac{25}{\sqrt{50}}}=1.697\approx 1.70

Hence, the correct option is b) 1.70

7 0
2 years ago
Please help me ill give you the crown thing if its right
VashaNatasha [74]

Answer: The new price is $840

3 0
3 years ago
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