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OlgaM077 [116]
1 year ago
5

What is the product? (3x-5)(22-7x+1)

Mathematics
1 answer:
Gelneren [198K]1 year ago
6 0

answer

1. expand the equation

3x(22-7x+1)-5(22-7x+1)

66x-21x²+3x-110+35x-5

104x-21x²-115

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Name
kaheart [24]

Answer:

Slope is -2/7

Step-by-step explanation:

Slope formula is y₂-y₁/x₂-x₁

So...

(x₁,y₁) and (x₂,x₂) →(2,2) and (-5,4)

4-2= 2

-5-2= -7

2/-7

3 0
3 years ago
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Identify the excluded values of this product. Then rewrite the product in simplest form.
lara [203]

\frac{6 {y}^{2} + 18y - 60 }{3 {y}^{2} - 12y }  \times  \frac{ {y}^{2} - 16 }{ {y}^{2}  + 2y - 8}  \\  \\  \frac{ {6y + 30y - 12y - 60}^{2} }{3y(y - 4)}  \times  \frac{ {(y)}^{2} - ( {4)}^{2}  }{ {y}^{2} + 4y - 2y - 8 }  \\  \\  \frac{6y(y + 5) - 12(y + 5)}{3y(y - 4)}  \times  \frac{(y + 4)(y - 4)}{y(y + 4) - 2(y + 4)}  \\  \\  \frac{(6y - 12)(y + 5)}{3y(y - 4)}  \times  \frac{(y + 4)(y - 4)}{(y + 4)(y - 2)}  \\  \\  \frac{6(y - 2)(y + 5)}{3y(y - 2)}  \\  \\  \frac{2(y + 5)}{y} .

8 0
1 year ago
Can anyone help me please
galben [10]
The answer is 6 units and 3 fourths
5 0
2 years ago
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An electric pump can fill a 45-gallon tub in half an hour.At this rate, how long would it take to fill a 60-gallon tub?
zysi [14]
You can cross multiply to find the answer. Start by setting up your equation:

45/30 = 60/x  (30 represents half an hour)
Next, cross multiply, 45 times x, and 60 times 30: 

45x = 1800  you must isolate the "x" value by using the opposite operation it is involved in. Here we have 45x (x is multiplied to 45) so we must divide 45, which will cancel itself out, leaving us with "x."

What you do on one side of the equation, you must do on the other, so divide 1800 by 45 as well, which will leave you with 40.

Working it out on paper, your equation should now look like this: x=40, which represents the amount of time it will take to fill a 60 gallon tube.

Answer: It will take 40 minutes to fill a 60 gallon tube. 
8 0
3 years ago
A bag contains 10 red marbles, 15 yellow marbles, 5 green marbles, and 20 blue marbles. Two marbles are drawn from the bag.
kherson [118]

Answer:

It is the third option: (10C1) (20C1( / 50C2.

Step-by-step explanation:

The number of ways of selecting 2 marbles = the number of combination of any 2 marbles in the 50 marbles in the bag and this is 50C2. It is combinations because the order of drawing the marbles does not matter.

The number of combinations  of one being red and the other blue =  10C1 times 20C1.

So the answer is (10C1) (20C1( / 50C2.

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