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3 years ago

25 POINTS HELP ASAP!!!!

Mathematics

1 answer:

likoan [24]3 years ago

3 0

Answer:

9:25 or $\frac{9}{25}$

Step-by-step explanation:

you put the area of the smaller square first because it is listed first before the "to" and then you put the area of the larger square since it is listed after the "to"

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If f(x) = 5x^2 -3 and g(x) = x^2-4x find (f-g) (x)

mylen [45]

Answer:

10x-2x-4=8x-4 اتمنى لك التوفيق

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3 years ago

Read 2 more answers

Need some help with this question please

Serggg [28]

Answer:

$\frac{15}{17}$

Step-by-step explanation:

$\cos( \alpha ) = \frac{ad}{hip} \\ \\ \sin( \alpha ) = \frac{op}{hip}$

Pythagorean theorem

hip² = op² + ad²

17² = x² + 8²

x² = 17² - 8²

$x \: = \sqrt{{17}^{2} - {8}^{2} } \\ x = \sqrt{289 - 64} \\ x = \sqrt{225} \\ x = 15$

$\sin( \alpha ) = - \frac{15}{17}$

$\sin( - \alpha ) = \frac{15}{17}$

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3 years ago

Solve the triangle for x.

Damm [24]

Answer:

d) 86.2 degrees

x = 86.20°

Attached is the image used in the question;

Step-by-step explanation:

Applying the law of cosine;

Cos C = (a² + b² - c²)/2ab

Where;

Angle C = x

c = 13 ft

b = 9ft

a = 10ft

Substituting into the equation;

Cos x = (10² + 9² - 13²)/(2×10×9)

Cos x = 0.0667

x = cos⁻¹(0.0667)

x = 86.20°

4 0

3 years ago

Consider the graph shown. Determine if the graph shows two quantities that vary directly. If possible, determine the constant of

Mekhanik [1.2K]

Answer:

the quantities do NOT vary directly

Step-by-step explanation:

A graph showing a proportional relationship is a straight line through the origin. This graph goes through (0, 100), so does NOT show a proportional relationship. y does NOT vary directly with x.

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3 years ago

What is the vertex for this function? y = 3x^2 + 12x + 5

xz_007 [3.2K]

That’s weird, it should be (-2,-7). Try (-2,7)

8 0

3 years ago