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postnew [5]
3 years ago
11

What is the result when the number 20 is decreased by 75%?

Mathematics
2 answers:
sergeinik [125]3 years ago
8 0

Answer:

5

Step-by-step explanation:

20 - (75% × 20) =

20 - 75% × 20 =

(1 - 75%) × 20 =

(100% - 75%) × 20 =

25% × 20 =

25 ÷ 100 × 20 =

25 × 20 ÷ 100 =

500 ÷ 100 =

5;

kolezko [41]3 years ago
7 0
You would get 5.5 as a result
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Black_prince [1.1K]

Step-by-step explanation:

You have to do first and second derivatives :

y = a sin 3x + b cos 3x

dy/dx = 3a cos 3x - 3b sin 3x

d²y/dx² = - 9a sin 3x - 9b cos 3x

Next, you have to compare it :

let d²y/dx² = ky,

-9a sin 3x - 9b cos 3x = k(a sin 3x + b cos 3x)

-9(a sin 3x + b cos 3x) = k(a sin 3x + b cos 3x)

Therefore, k is equals to 9.

3 0
2 years ago
. Micro Office Products has issued 5,000 shares of cumulative preferred stock that will earn dividends at $2.38 per share; it ha
quester [9]
110000 is the total dividends of both preferred stock and common stock
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110,000−11,900=98,100

Finally divide the total dividends of common stock by the number of common stock to find the dividend per share of common stock
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5 0
3 years ago
At one time the price of gasoline was $1.279 a gallon. Then the price
ELEN [110]

Answer:

1.6627 (money wise, $1.66)

Step-by-step explanation:

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2 years ago
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just olya [345]

Answer:

Let y(x)="x is valid and x has true premises" and z(x)="x has a true conclusion".

Step-by-step explanation:

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We can interptet the statement as: "For all x, (x is valid and x has true premises)→(x has a true conclusion)". Symbolically, (∀x)(y(x)→z(x)). The implication → can be read as "if y(x) then z(x)".

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3 years ago
Please help I don’t understand 6 - z+3y+5x^2
ale4655 [162]

Answer:

what is the complete question?

6 0
2 years ago
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