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Yanka [14]
3 years ago
7

Plzzzzzzzz help!!!!!!!!!

Mathematics
1 answer:
aev [14]3 years ago
7 0

Answer:

20

Step-by-step explanation:

The ratio is 3:5, so 3x4 equals 12, then 5x4=20.

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Andy has a collection of movie dvds. in andys collection 3/5 of the dvds are action 1/4 of the dvds are comedy. andy said that 4
Lerok [7]
If 3/5 are action and 1/4 are comedy then:

(3/5)+(1/4) are action or comedy

To add/subtract fractions you need a common denominator...

(3/5)*(4/4)+(1/4)(5/5)

(12/20)+(5/20)

17/20

So 17/20 (85%) of his collection are action or comedy not 4/9...


4 0
2 years ago
-1. The table shows the annual consumption of cheese per person in the United States for selected years in the 20th century. Let
olga nikolaevna [1]
<span>Using processing software (Excel) or even a decent scientific calculator. You input the values and generate the best fit cubic equation.
For number 1, the equation is
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where x is the number of years since 1900
y is the pounds cheese consumed

For number 2, the equation is
y = -3x10⁻⁵ x³ + 0.0028 x² + 0.2155 x + 1.7736

For number 3
P(-1) = 18
5 0
3 years ago
(2a^(3))^(-3)<br> --------<br> (3b(-2))
Andrei [34K]
Hello,

\dfrac{(2a^{3})^{-3}}{3b*(-2)}=-\dfrac{1}{(2a^3)^3*6b}=-\dfrac{1}{48a^9b}



7 0
2 years ago
Which set of transformations would prove ALMN - APQR?
Gnoma [55]

Answer:

2 I think

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Solve the equation: [3255] [x1 x2] + [1 2] = [2 -3]​
sertanlavr [38]

Answer: x=-13/6510

Step-by-step explanation:

5 0
2 years ago
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