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NNADVOKAT [17]
3 years ago
9

7B%7D%5E%7B2%7D%20%7D%7B15%7D%20%20-%20%20%5Cfrac%7B%28a%20-%201%29%284%20-%20a%29%7D%7B5%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B5%7D%20" id="TexFormula1" title=" \frac{a(3 + a)}{3} \leqslant \frac{z(a - 1) {}^{2} }{15} - \frac{(a - 1)(4 - a)}{5} + \frac{1}{5} " alt=" \frac{a(3 + a)}{3} \leqslant \frac{z(a - 1) {}^{2} }{15} - \frac{(a - 1)(4 - a)}{5} + \frac{1}{5} " align="absmiddle" class="latex-formula">
can anyone help me?​
Mathematics
1 answer:
Sindrei [870]3 years ago
6 0
A= 15+z+ square root 17(z+15)/ z-2
z=2a^2/(a-1)^2 + 30a/(a-1)^2 - 15/(a-1)^2
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Find the area of the right triangle.
zzz [600]
48 just count the inside of the triangle which is difficult since all side aren’t a full square or count the outside border of the triangle and just multiply I did 6x8
6 0
3 years ago
Read 2 more answers
Please help asap!!!!
a_sh-v [17]

Answer:

12                                        

Step-by-step explanation: 60

8 0
3 years ago
The temperature of coffee served at a restaurant is normally distributed with an average temperature of 160 degrees Fahrenheit a
posledela

Answer:

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.  

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 160 degrees

Standard Deviation, σ = 5.4 degrees

We are given that the distribution of temperature of coffee is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.2

P( X < x) = P( z < \displaystyle\frac{x - 160}{5.4})=0.2  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 160}{5.4} = -0.842\\\\x = 155.4532  

Thus,

P_{20}=155.4532

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.

7 0
2 years ago
Can someone help me find the area of this figure ? Thanks!
nordsb [41]

Answer:

  • 25 units²

Step-by-step explanation:

<u>We know that:</u>

  • Some squares are 100% shaded, and some are half shaded.
  • Half shaded squares: 10 squares
  • 100% shaded: 20 squares
  • Area of figure = Area of half shaded + Area of 100% shaded

<u>Solution:</u>

  • Area of figure = Area of half shaded + Area of 100% shaded
  • => Area of figure = (10 x 1/2) + 20
  • => Area of figure = 5 + 20
  • => Area of figure = 25 units²

Hence, the area of the figure is 25 units².

3 0
1 year ago
Need help with this pls
xz_007 [3.2K]

The volume of the square base pyramid is 588 ft³

The Volume of the rectangular prism is 120 ft³

The Volume of a rectangular pyramid is 360 ft³

<h3>What is volume of a shape?</h3>

Volume can be defined as the 3-dimensional space enclosed by a boundary or occupied by an object.

Volume of a square base pyramid = 1 / 3 × B × h

where

B = base area

Therefore,

Volume of a square base pyramid = 1 / 3 × 7² × 12

Volume of a square base pyramid = 1764 / 3 = 588 ft³

Volume of a rectangular prism = lwh

Volume of a rectangular prism =  6 × 5 × 4 = 120 ft³

Volume of a rectangular pyramid = 1 / 3 lwh

Volume of a rectangular pyramid = 1 / 3 × 10 × 12 × 9 = 1080 / 3 = 360 ft³

learn more on volume here: brainly.com/question/1578538

4 0
2 years ago
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