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Neporo4naja [7]
3 years ago
7

Does the point (5, 2) satisfy the inequality y < 9x + 4?

Mathematics
2 answers:
Allushta [10]3 years ago
6 0

Answer:

yes

Step-by-step explanation:

2< 9(5) + 4

2 < 45 + 4

2 < 49

borishaifa [10]3 years ago
5 0

Answer:

0.3

Step-by-step explanation:

y>9x+4

-4         -4

3    9x

9

                           answer:0.3

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Walgreens is offered a chain discount on cosmetics from Libby Corp. of 8/5/2; Roma Company offers a chain discount of 7/6/4. Wha
kykrilka [37]

Answer: 0.0160768

Step-by-step explanation:

Let the marked price of the cosmetic be 100.

From the question,

Walgreens is offered a chain discount on cosmetics from Libby Corp. of 8%, 5% and 2%. The selling price of the cosmetic after the chain discount will be:

100 × (1 - 8/100) × (1 - 5/100) × (1 - 2/100)

= 100 × (1 - 0.08) × (1 - 0.05) × (1 - 0.02)

= 85.652

Discount = Marked price - Selling price

Discount = 100 - 85.652

Discount = 14.348

Discount percent = 14.348% = 0.14348

Roma Company offers a chain discount of 7%, 6% and 4%.

The selling price of the cosmetic after the chain discount will be:

100 × (1 - 7/100) × (1 - 6/100) × (1 - 4/100)

= 100 × (1 - 0.07) × (1 - 0.06) × (1 - 0.04)

= 83.9232

Discount = Marked price - Selling price

Discount = 100 - 83.9232

Discount = 16.0768

Discount percent = 16.0768% = 0.0160768

The highest discount offered is 0.0160768.

8 0
3 years ago
Your rectangular garden is 15 1/2 feet long and 26.5 feet wide. You plan to build a border. The border material costs $2.88 for
Elanso [62]

Answer:

$ 903.84

Step-by-step explanation: First find the perimeter, width + length + width + length. Then multiply it by 3 as the border is 3 bricks tall, divide it by 1.5 then multiply by 2.88 to get the price of the border. Add $420 to get the final price.

3 0
3 years ago
The product of the ages of a man and his son is 160. In four years time, the man will be four times as old as his son. Find thei
kati45 [8]

Answer:

father = 32    s = 5 y/o

Step-by-step explanation:

f s = 160  ====>   s = 160/f

f+4 = 4 ( s+4)  

f + 4 = 4 (160/f +4)

f + 4 = 640/f + 16

f^2 + 4f = 640 + 16 f

f^2 -12f - 640 = 0      Use Quadratic formula to find  f =  32   then s = 5

3 0
2 years ago
Read 2 more answers
Determine the factors of 4x2 5x − 6 a(4x − 2)(x 3) b(4x − 3)(x 2) c (4x − 6)(x 1) d(4x − 1)(x 6)
Lelu [443]
4x^2 + 5x - 6 = (4x - 3) (x + 2)

You can do it by using the quadratic function to solve 4x^2 + 5x - 6 = 0; the result will be x = 3/4 and x = -2

Then you have to make (x- 3/4) = 0 and (x +2 ) = 0

When you develop x - 3/4 = 0 you get 4x -3 = 0, which means that 4x - 3 is a factor. The other factor is directly x + 2.

Answer: option b: (4x -3)(x + 2)
8 0
3 years ago
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A puzzle contains a triangular piece with a base of 3 in. and a height of 4 in. A manufacturer wants to make 80 puzzles. Find th
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Since the base is 3 inches and the height is 4 inches, as well as the area of a triangle being base*height/2, we get 3*4/2=6 in. for each triangle. Since we need 20 pieces for each puzzle, we multiply 6 by 20 to get 120. In addition, since 80 puzzles are needed, with 20 pieces for each puzzle, we have 120 inches for each puzzle and 120*80 = 9600 square inches of wood used
8 0
3 years ago
Read 2 more answers
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