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3 years ago

I do not have the energy to do this, someone help please?

Mathematics

1 answer:

matrenka [14]3 years ago

8 0

Separate into two groups
y^3(5y+4) + 5(5y+4)
(y^3 + 5)(5y + 4)

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In ΔQRS, r = 1.5 inches, ∠S=23° and ∠Q=22°

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Answer:

1.34 hope this helped

Step-by-step explanation:

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3 years ago

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What is the value of x? Enter your answer in the box. x =

ArbitrLikvidat [17]

Answer:

Step-by-step explanation:

This means that 9/(9+72)=(3x-20)/(3x+36), or 1/9=(3x-20)/(3x+36). Cross-multiply to get that 27x-180=3x+36, so 24x=216, and x=9.

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3 years ago

The diagram shows a 3 cm x 5 cm x 4 cm cuboid

Rainbow [258]

Answer:

a) The length of segment AC is approximately 5.83 centimeters.

b) The angle ACD is approximately 34.5º.

Step-by-step explanation:

a) Since $AB \perp BC$ , the length of segment $AC$ is determined by Pythagorean Theorem, that is:

$AC = \sqrt{(5\,cm)^{2}+(3\,cm)^{2}}$

$AC \approx 5.831\,cm$

The length of segment AC is approximately 5.831 centimeters.

b) Since $AB \perp BC \perp AD$ , the length of segment $AD$ is determined by this Pythagorean identity:

$AD = \sqrt{(3\,cm)^{2}+(5\,cm)^{2}+(4\,cm)^{2}}$

$AD \approx 7.071\,cm$

The angle ACD is determined by the following trigonometric expression:

$\cos C = \frac{AC}{CD}$

$\cos C = \frac{5.831\,cm}{7.071\,cm}$

$\cos C = 0.825$

$C = \cos^{-1} 0.825$

$C \approx 34.448^{\circ}$

The angle ACD is approximately 34.448º.

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3 years ago

Graph function y=12^x

Kobotan [32]

graph is in attachment

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3 years ago

Nineteen more than a number is less than 42

Lelechka [254]

We are trying to find the number that when added to 19, gives us less than 42. We can set up this simple inequality:

19 + x < 42

Now, subtract 19 from both sides:

x < 23

Our number can be anything less than 23.

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3 years ago

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