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antoniya [11.8K]
3 years ago
11

Factor using the grouping method: xy-4y-3x+12

Mathematics
1 answer:
Colt1911 [192]3 years ago
6 0
y(x-4)-3(x-4)= \\\\ =\boxed{(x-4)(y-3)}
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7/9+7/54 what is the answer
kolbaska11 [484]

Answer:

49/54

Step-by-step explanation:

7/9 + 7/54

42/54 + 7/54

49/54

3 0
3 years ago
The ratio of Victors money to Susies money is 4:7 at first. After Victor spent half of his money and Susie spent $60, Susie had
valkas [14]

Answer:

Victor originally had $80

Step-by-step explanation:

Let Victor have $4x

Let Susie have $7x

Since Victor spent half his money, he now has $2x

Susie spent $60 and thus now has $(7x - 60)

The final ratio of Victor's money to Susie's money is therefore  2x : $(7x - 60). This is given 1:2. Now we just need to solve the proportion by cross-multiplying

2x : (7x - 60) = 1:2

1 × (7x - 60) = 2 × 2x

7x - 60 = 4x

3x = 60

x = 20

Therefore Victor originally had $4x = $80.

7 0
2 years ago
Read 2 more answers
What is 3%+5%+4565+76+90x6(7+5)?
lawyer [7]
I believe it’s 5,193.0315 I’m not to sure
6 0
3 years ago
Read 2 more answers
Pls help ASAP I’ll give brainliest
NARA [144]

Answer:

  • B. 11.42

Step-by-step explanation:

<u>Use the law of cosines:</u>

  • c = \sqrt{a^2+b^2-2ab*cosC}

<u>Substitute the values:</u>

  • c = \sqrt{9^2+12^2-2*9*12*cos64}=11.42
7 0
2 years ago
Kevin bought a membership to a golf club. He pays $250 per month and $18 every time he plays a round of golf. Write an equation
Arturiano [62]
Hi there!

Let's solve this problem step by step!

The cost of 1 round of golf is $18
and therefore the total cost for all of the tickets is $18 × 
the amount of golf plays, mathematically $18 × g, hence 18g

The membership cost of 1 month is $250
and therefore the total cost for all of the tickets is $250 × 
the amount of months, mathematically $250 × m, hence 250m.

Now we can set up the equation. The only thing we need to do is adding up the individual functions.

Answer:
C = 250m + 18g
4 0
3 years ago
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