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3 years ago

Find area of this shape?

Mathematics

1 answer:

Vladimir79 [104]3 years ago

7 0

Answer:

189.3 in.²

Step-by-step explanation:

The shape consists of a half circle and a rectangle. Therefore,

Area of the shape = area of the half-circle + area of the rectangle

= ½(πr²) + L*W

r = radius of the half-circle = ½(10) = 5 in.

L = length of the rectangle = 15 in.

W = width of the rectangle = 10 in.

Plug in the values

Area of the shape = ½(π*5²) + 15*10

Area of the shape = 39.27 + 150

= 189.27 ≈ 189.3 in.² (Nearest tenth)

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Two ratios by entering less than greater than or equal than 16 to 15, 30 to 80

Mumz [18]

Answer:

6:15>30:80

Step-by-step explanation:

The ratio;

6:15 written in the form x/1 is equivalent to 2/5 or 0.4

30:80 written in the form x/1 is equal to 3/8 or 0.375

0.4 is greater than 0.375

Therefore;

<u>6:15>30:80</u>

6 0

3 years ago

23. What is the equation of the line that contains the points (2, 1) and (-1, -8)?

Sauron [17]

I'm guessing this is a slope problem, so the equation would be like this: y = mx + b where m is the slope and b is the y-intercept.

$m = \frac{y1 - y2}{x1 - x2}$
Using this,
$m = \frac{1 + 8}{2 + 1} = \frac{9}{3}$
Which is equal to,
$m = 3$

6 0

4 years ago

Given negative four and one sixth times negative three and fifteen hundredths, determine the product.

Contact [7]

The sum of the digits, B. thirteen and one eighth, is the product of the numerals.

<h3>How do you compute the value of the product?</h3>

According to the data, we are in the negative four hundred and one-sixth times the negative three hundred and fifteen-hundredths range.

This is going to be the product:

= (-4 1/6) × (-3 15/)

= - 4 1/6 × 3 3/20

= - 25/6 × -63/20

x= 13 1/8

In conclusion, The answer that you should choose is an option (d), which is thirteen and one-eighth.

Find out more about the product by visiting:

brainly.com/question/10873737

#SPJ1

3 0

2 years ago

2+3x<8;2 check whether the given number is a solution of the equation or inequality

Phoenix [80]

Answer:

equation is the answer.

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3 years ago

Suppose a simple random sample of size n = 1000 is obtained from a population whose size is N = 2,000,000 and whose population p

faltersainse [42]

Answer:

$p(x\geq 520) = 0.0293$

Step-by-step explanation:

Given data:

random sample size n = 1000

Population size is N - 2,000,000

P = 0.49

We know

$\sigma_p = \sqrt{\frac{p*(1-p)}{n}}$

$\sigma_ p = \sqrt{\frac{0.49*(1-0.49)}{1000}} = 0.0158$

Probability for having X =520

sample proportion $\hat p = \frac{520}{1000} = 0.52$

$p(x\geq 520) = P(\hat p\geq)$

$= P(Z\geq \frac{0.52 - 0.49}{0.0158})$

$= P(Z\geq 1.89) = 0.0293$

$p(x\geq 520) = 0.0293$

6 0

3 years ago

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