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3 years ago

Simpilify (2 3/5) divided by (-3 3/4)

Mathematics

1 answer:

kati45 [8]3 years ago

7 0

13/5 /. -15/4

13/5. * -4/15

= -52/75

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A rectangular painting by Leonardo da Vinci measured 62cm along its diagonal. If the painting has a height of 42 cm how wide is

IRINA_888 [86]

ANSWER

45.6cm to the nearest tenth.

EXPLANATION

The diagonal of the rectangular painting is 62cm.

The height of the painting is 42 cm.

The height of the painting h , the diagonal, and the width of the painting forms a right triangle with the diagonal being the hypotenuse.

From the Pythagoras Theorem,

${w}^{2} + {42}^{2} = {62}^{2}$

${w}^{2} = {62}^{2} - {42}^{2}$

${w}^{2} = 2080$

${w} = \sqrt{2080}$

$w = 4 \sqrt{130}$

The width of the painting is 45.6cm to the nearest tenth.

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3 years ago

Hellp meee please I’m about to fail this subject!

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Answer:

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3 years ago

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olasank [31]

Answer:

Step-by-step explanation:

a₁ = -1

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3 years ago

What is 15 to the 7 power divided by 15 to the 4 power equal to?

Masja [62]

Answer:

3375

Step-by-step explanation:

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3 years ago

Find the value of the trig functions indicated .

lara31 [8.8K]

Answer:

The choice; B) 5/3

Step-by-step explanation:

${a}^{2} + {b}^{2} = {c}^{2} \\ {15}^{2} + {20}^{2} = {c}^{2} \\ 225 + 400 = {c}^{2} \\ {c}^{2} = 625 \\ c = 25$

$\sec(θ) = \frac{1}{ \cos(θ) } \\ \\ \sec(θ) = \frac{1}{ \frac{adjacent}{hypotenuse} } = \frac{hypotenuse}{adjacent} \\ \\ \sec(θ) = \frac{25}{15} = \frac{25 \div 5}{15\div 5} = \frac{5}{3}$

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2 years ago