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3 years ago

Rewrite equation in Ax+By=C form. y-5=2(x-6)

Mathematics

1 answer:

Semenov [28]3 years ago

8 0

Answer:

2x-y=7

Step-by-step explanation:

y-5=2(x-6)

y-5=2x-12

2x-y-12=-5

2x-y=-5+12

2x-y=7

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Factorise the expression: am^2 + bm^2 + bn^2+an^2

Pani-rosa [81]

Answer:

( a+b) ( m^2 + n^2)

Step-by-step explanation:

factorise like terms

m^2 ( a + b ) + n^2 ( m^2 + n^2)

then put like terms together put remaining terms in a bracket

( a + b) ( m^2 + n^2 )

6 0

2 years ago

Q17 Look at this shape, the circle exactly fits into the square. If the length of the

ozzi

Answer:

25.13

Step-by-step explanation:

Formular

= C = 2πr

C = circumference

r = radius

2 × 3.14 × 4

= 25.13

7 0

3 years ago

John needs to buy at least 100 tiles to redecorate his bathroom. The tiles are sold in packs of 6.

AnnyKZ [126]

Answer: $n\geq17$

Step-by-step explanation:

Let n= Number of packs John needs.

Tiles in 1 pack = 6

Tiles in <em>n</em> pack = <em>6n</em>

If he needs at least 100 tiles.

then

6n ≥ 100

$\Rightarrow\ n\geq100\\\\\Rightarrow\ n\geq\dfrac{100}{6}\\\\\Rightarrow\ n\geq\dfrac{50}{3}\\\\\Rightarrow\ n\geq16.67\\\\\Rightarrow\ n\geq 17$

The required inequality: $n\geq17$

7 0

3 years ago

The cooking club made some pies to sell at a basketball game to raise money for new math books. The cafeteria contributed 4 pies

WARRIOR [948]

I think it is 30 do not hate on me if it is wrong

5 0

3 years ago

Kayleen has been offered two jobs. The first job offers and annual salary of $32000. The second job offers an annual salary of $

xz_007 [3.2K]

Answer:

The amount of money he makes in sale to earn enough commission is $22,000 .

Step-by-step explanation:

Given as :

The salary offered for the first job = $32000 annually

The salary offered for the second job = $10,000 annually + 8% per sales commission

Now, let the number of sale make by Kayleen to earn commission to make more money at second job = n sales

Now, According to question

The salary offered for the first job = The salary offered for the second job + 8% of number of sales

Or, $32,000 = $10,000 + 8% of n

Or, $32,000 - $10,000 = $\frac{8}{100}$ ×n

Or, $22,000 = 0.08×n

∴ n = $\frac{22,000}{0.08}$

I.e n = 275,000

So, The amount of money he makes in sale to earn enough commission = 8% of n

I,e The amount of money he makes in sale to earn enough commission = 0.08×275,000

Or, The amount of money he makes in sale to earn enough commission = $22,000

Hence, The amount of money he makes in sale to earn enough commission is $22,000 . Answer

5 0

3 years ago