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3 years ago

What’s the area of the shaded region?? ANSWER ASAP FOR BRAINLIEST

Mathematics

2 answers:

weeeeeb [17]3 years ago

8 0

Area of the Rectangle = $bh = 8(17)=136$

Area of a Triangle = $\frac{bh}{2}=\frac{8(17)}{2}=\frac{136}{2}=68$

Take both areas and subtract them:

$136-68=68$

This means shaded area = 68 in^2

Hope this helps!

expeople1 [14]3 years ago

6 0

It's 68". Because a triangle in a rectangle that spans all sides is half the area of the rectangle.

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Please Help, Will give Brainliest!<br> Law Of Cosines.

stealth61 [152]

Answer:

B) a = 6.7, B = 36°, C = 49°

Step-by-step explanation:

Fill in the numbers in the Law of Cosines formula to find the value of "a".

a² = b² + c² -2bc·cos(A)

a² = 4² +5² -2(4)(5)cos(95°) ≈ 44.4862

a ≈ √44.4862 ≈ 6.66980

Now, the law of sines is used to find one of the remaining angles. The larger angle will be found from ...

sin(C)/c = sin(A)/a

sin(C) = (c/a)sin(A)

C = arcsin(5/6.6698×sin(95°)) ≈ 48.31°

The third angle is ...

B = 180° -A -C = 180° -95° -48.31° = 36.69°

The closest match to a = 6.7, B = 37°, C = 48° is answer choice B.

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3 years ago

What is 4x=8x-32?? PLEASE HELLP

Rashid [163]

If you are looking for the sum of X then the answer is X=8

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3 years ago

Change from rectangular to spherical coordinates. (let ≥ 0, 0 ≤ ≤ 2, and 0 ≤ ≤. ) (a) (5, 5 3 , 10 3 )

Nikolay [14]

The spherical coordinate that is converted from the given rectangular coordinate is (12.62, 46.67°, 35.3°).

Here, the given rectangular coordinate is (5, 5.3, 10.3).

Therefore, the value of 'x' is 5, the value of 'y' is 5.3 and the value of 'z' is 10.3.

We can convert the rectangular coordinate (x, y, z) into spherical coordinate (ρ, θ, Φ) by the below mentioned method.

We know, ρ² = (x²+y²+z²)

Therefore, ρ

= √(x²+y²+z²)

= √[(5)²+(5.3)²+(10.3)²]

= √(25+28.09+106.09)

= √(159.18)

= 12.62

Again, tan θ = (y/x)

Therefore, θ = tan⁻¹(y/x) = tan⁻¹(5.3/5) = tan⁻¹(1.06) = 46.67°

Similarly, cos Φ = (z/ρ)

Therefore, Φ = cos⁻¹(z/ρ) = cos⁻¹(10.3/12.62) = cos⁻¹(0.816) = 35.3°

Here, the spherical coordinate is (ρ, θ, Φ).

Therefore, the required spherical coordinate for the given rectangular coordinate is (12.62, 46.67°, 35.3°).

Learn more about the conversion of a rectangular coordinate to a spherical coordinate here: brainly.com/question/17185505

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1 year ago

What is the answer to this

photoshop1234 [79]

Answer:

true

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

I need help, plato hates me...

klemol [59]

Answer:

The inverse function is g(x) = ± $\frac{\sqrt{x+12}}{3}$ , x ≥ -12 ⇒ D

Step-by-step explanation:

* Lets explain how to find the inverse function

- The steps of find the inverse of function f(x)

# Write y = f(x)

# Switch x and y

# Solve to find the new y

* Lets solve the problem

∵ f(x) = 9x² - 12

- Do the steps above

- Put y = f(x)

∵ y = f(x)

∴ y = 9x² - 12

- Switch x and y

∴ x = 9y² - 12

- Add both sides by 12

∴ x + 12 = 9y²

- take √ for both side don't forget to put ± in-front of it

∴ ± $\sqrt{x+12}$ = 3y

- Divide both sides by 3

∴ y = ± $\frac{\sqrt{x+12}}{3}$

∵ There is no square root for negative number

∴ x + 12 ≥ 0 ⇒ subtract 12 from both sides

∴ x ≥ -12

- The function is defined for all values of x greater than or equal -12

∴ The inverse function is g(x) = ± $\frac{\sqrt{x+12}}{3}$ , x ≥ -12

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3 years ago