3 years ago

Factor completely 4p^2-25q^2

Mathematics

1 answer:

Alexxandr [17]3 years ago

5 0

Answer:

(2p - 5q) (2p + 5q)

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The longest side of a triangle similar XYZ is 39 units long. Find the other side lengths of the triangle.

Neporo4naja [7]

Answer:

The side lengths are 30, 36 and 39.

Step-by-step explanation:

To find the missing side, write a proportion using side lengths from each similar shape. A proportion is an equation that sets equal two ratios.

$\frac{13}{39}=\frac{12}{y}$

Find y by cross multiplying numerator and denominator of each fraction.

13y = 39(12)

13y = 468

y = 36

Find the other missing side by repeating the process.

$\frac{13}{39}=\frac{10}{y}$

Find y by cross multiplying numerator and denominator of each fraction.

13y = 39(10)

13y = 390

y = 30

The side lengths are 30, 36 and 39.

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Which classification best represents a triangle with side lengths 6 cm, 10 cm, and 12 cm?

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Simon Simms takes out $20,000 of a twenty-payment life when he is twenty-five years old. a. annual premium b. quarterly premium

OLga [1]

B. Quarterly premium

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Susan spent a total of 45$ at the grocery store I’d this amount she spent $18 on fruit what percentage of the total did she spen

Ivenika [448]

Answer:

40% of the total was spent on fruit

Step-by-step explanation:

100%=45 x=18

100/x = 45/18 Now take the inverse of both sides

x/100 = 18/45

This leads to 1800 = 45x

1800 divided by 45 is equal to 40

The total percentage spent on fruit was 40%

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