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soldier1979 [14.2K]
4 years ago
13

What is the value of x?​

Mathematics
2 answers:
valentina_108 [34]4 years ago
8 0

Answer:

x = 8

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin45° = \frac{\sqrt{2} }{2}, then

sin45° = \frac{opposite}{hypotenuse} = \frac{4\sqrt{2} }{x}

Multiply both sides by x

x × sin45° = 4\sqrt{2} ( divide both sides by sin45° )

x = \frac{4\sqrt{2} }{\frac{\sqrt{2} }{2} }

   = 4\sqrt{2} × \frac{2}{\sqrt{2} } = 4 × 2 = 8

shusha [124]4 years ago
6 0

Answer:

135????

Step-by-step explanation:

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If you wanted to make a game where you pay $5 if you can't guess a random dogs weight within 16lbs what payout should you offer
ella [17]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

The population std. dev of the dog weight=8

\sigma=8\\\\P(\text{guess with in 16 lbs}) = P(|X-\mu|\leq 16)\\\\=P(-2 \leq Z \leq 2) = 0.9544\\\\

Calculating the payout w s.t:

E[netpay]=0=(-5) \times 0.9544+w\times (1-0.9544)\\\\ w =(5 \times \frac{0.9544}{1-0.9544}) =\$ 104.65

therefore, we assume that the weight of the dog is a normal distribution with std. deviation that is 8.

4 0
3 years ago
F(x)=x^2 horizontal shift of 3 vertical shift of -2 reflected over the x-axis. Write the equation
Cerrena [4.2K]

f(x) = -(x-3)^{2} -2 is the required function.

<u>Step-by-step explanation:</u>

We have to find the transformation after the horizontal and vertical shifts and then reflection over the x-axis for the given function.

f(x) = x^{2}

If there is a horizontal shift of 3, then the function becomes, f(x) = (x-3)^{2}

If there is a vertical shift of -2, then the function becomes, f(x) = (x-3)^{2} -2

The function is reflected over the x- axis then the function becomes,

f(x) = -(x-3)^{2} -2

5 0
3 years ago
Help pls fast i need this​
scoray [572]

Answer:

she would paint 350.4 square feet

Step-by-step explanation:

first you would find the surface area of one of the triangles, then multiple it by 2 because there are 2 triangles. next you would find the area of each individual rectangle. after that you would add up each of the measurements for the triangles and rectangles.

area of a triangle =1/2 base×height

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3 years ago
-4-10<br> Solve each component inequality <br> Graph solution
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http://prntscr.com/d11ztq
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3 years ago
According to estimates by the office of the Treasury Inspector General of IRS, approximately 0.0963 of the tax returns filed are
emmasim [6.3K]

Answer:

B.) 0.2772

Step-by-step explanation:

By using binomial distribution for r=29,30,31,32.

296C29*(0.0963^29)(1-0.0963)^267+

296C30*(0.0963^30)(1-0.0963)^266+

296C31*(0.0963^31)(1-0.0963)^265+

296C32*(0.0963^32)(1-0.0963)^264

.

(1.2739*10^40)(3.3509*10^-30)(1.81335*10^-12)+

(1.13378*10^41)(6.475118*10^-43)+

(9.7285*10^41)(6.9*10^-44)+

(8.056449*10^42)(7.35278*10^-45)

=0.277174

5 0
3 years ago
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