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Inessa05 [86]
2 years ago
9

Factorise fully 2rs - 4t - 6t + 3s

Mathematics
2 answers:
seropon [69]2 years ago
8 0
X - 10t + 3s !!!!!!!!!!!!!!
Vesnalui [34]2 years ago
7 0

Answer:

(2-3)(s-2t)

Step-by-step explanation:

2rs-4t-6t+3s

(2rs+3s)(-4t-6t)

s(2r+3)-2t(2+3)

(2+3)(s-2t)

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Hi guys pleas help me ;((
vova2212 [387]

Answer:

the first bullet, M+0.15m

Step-by-step explanation:

Think about it this way:

M is the total amount of money you pay for the meal.

0.15m is the tax calculation, 0.15 x M= a 15% tip

Because a tip means added money on top of the total cost of the meal, you have to add both of them together.

7 0
3 years ago
Solve 5x(x-6)(4x+9)=0
xxTIMURxx [149]
Greetings and Happy Holidays!

Solve 
for x.
5x(x-6)(4x+9)=0<span>

Distribute the parenthesis:
</span>5x(x-6)(4x+9)=0

(5x^2-30x)(4x+9)=0

(20x^3-120x^2)+(45x^2-270x)=0

Combine like terms:
20x^3-75x^2-270x=0

Factor out GCF (5x):
5x(4x^2-15x-54)=0

Factor the Complex Trinomial:
5x(4x^2+9x-24x-54)=0

5x(x(4x+9)-6(4x-9))=0

5x((4x+9)(x-6))=0

Set Factors to Equal 0:
5x=0

x=0

or

4x+9=0

4x=-9

x=\frac{-9}{4}

or

x-6=0

x=6

The Answers Are:
\boxed{x=0} \\ \boxed{x= \frac{-9}{4}} \\ \boxed{x=6}

I hope this helped!
-Benjamin

8 0
3 years ago
Write 0.0007654 * 10^0 in scientific notation, then state the order of magnitude for it.
Bas_tet [7]

remember that to put a number in scientific notation is necessary to have the first digit of the number different to 0, so

0.0007654\cdot10^0=7.654\cdot10^{-4}

to calculate the order of magnitude, if the number is greater than 3.16, we assume it as a 10, so in this case as 7.654 > 3.16 we get that the order is

10\cdot10^{-4}=10^{-3}

So the order is 10^-3

5 0
1 year ago
Identify the coefficient(s) and constant(s) in this expression. 9x - 8y + 6
Art [367]

Answer:

the coefficient are 9 and -8

the constant is 6........

8 0
3 years ago
How would you write the expression the product 18 and a number b?
mina [271]
Subtraction: 18 - b
Addition: 18 + b
Multiplication: 18b, or 18 x b
Division: 18 divided (My keyboard doesn't have a division sign?) by b
Hope this helped.
6 0
3 years ago
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