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zlopas [31]
3 years ago
15

Factor the quadratic expression completely 15x^-4x-4

Mathematics
1 answer:
In-s [12.5K]3 years ago
4 0

Answer:

(5x+2)(3x-2)

Step-by-step explanation:

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Mai can type 27 words in 9 minutes. What is her rate in words per minute?
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3. Cause 27/9=3. Hope this helps :)
5 0
3 years ago
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A student ate 3/20 of all candies and another 1.2 lb. Another student ate 35 of the candies and the remaining 0.3 lb. Altogether
Ipatiy [6.2K]
The correct question is
<span>A student ate 3/20 of all candies and another 1.2 lb. Another student ate 3/5 of the candies and the remaining 0.3 lb. Altogether, what weight of candies did they eat?</span>

let
x-------> total <span>weight of candies
we know that

x=(3/20)*x+1.2+(3/5)*x+0.3
</span>x=(3/20)*x+(3/5)*x+1.5----> multiply by 20----> 20x=3x+12x+30
20x=15x+30
20x-15x=30
5x=30
x=6 lb

the answer is
6 lb
8 0
3 years ago
The price of a house DECREASED from $82500 to $77500. Calculate the PERCENTAGE DECREASE
Igoryamba

Answer:

6.06%

Step-by-step explanation:

percentage \: decrease \\  \\  =  \frac{82500 - 77500}{82500}  \times 100 \\  \\  =  \frac{5000 \times 100}{82500}  \\  \\  =  \frac{500000}{82500}  \\  \\  = 6.06060606 \\  \\  = 6.06 \%

7 0
3 years ago
A fair six-sided die is rolled. Find the probability of getting a 4.​
madam [21]

Answer:

A fair six-sized die is rolled. Find the probability of getting at least a 4.

There are 6 outcomes and three of them are 4, 5 or 6, so the probability of greater than or equal to 4 is 3/6=½.

5 0
3 years ago
Isabelle is mixing red paint with blue paint to make purple paint. She adds 3/10 of a fluid ounce of red to 11/15 of a fluid oun
Anna71 [15]
She will need 3 fluid ounces of red paint
7 0
3 years ago
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