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DanielleElmas [232]
3 years ago
7

Find the area of the figure. Explain your reasoning.

Mathematics
1 answer:
Grace [21]3 years ago
5 0

Answer:

Separate it into smaller figures.

Step-by-step explanation:

The figure can be separated into a triangle on the top, and 2 trapezoids on the middle and the bottom.

The area of the triangle is bh/2, which is (4 x 6)/2, which is 12.

The area of the trapezoid in the middle is .5(b1+b2)h, which is .5(6+4)3, which is 15.

The area of the trapezoid on the bottom is .5(6+5)2, which is 11.

Now, add them to get 12+11+15 which is 38.

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Uncle Eddie asked Mckenna and Lara to order 54 new wheels for the 21 skateboards and bicycles in his repair shop. How many bicyc
Wewaii [24]

Answer:

15 bicycles and 6 skateboards.

Step-by-step explanation:

x+y = 21, since there are 21 total items in the shop

4 0
2 years ago
Work out the value of n 1/8 ÷ √ 2 = 2 n Give your answer as an improper fraction
Alex Ar [27]

Answer:

n = √2/32

Step-by-step explanation:

1/8 : √2 = 2n

1/8×1/√2 = 2n

1/8√2 = 2n

√2/16 = 2n

√2 = 16×2n

32n = √2

n = √2/32

8 0
3 years ago
Which of the following lists does not include all the factors of the number?
maxonik [38]

Answer:

21 is the answer my guy

Step-by-step explanation:

7 times 3 is 21

5 0
3 years ago
At noon, a hot-air balloon was at an elevation of 2,400 feet. One hour later it was at an elevation of 1,700 feet.
ASHA 777 [7]

Answer:

a.2,400-1700=

b. 700: the hot air balloon decreased height by 700 feet

4 0
2 years ago
Read 2 more answers
Assume the random variable X is normally distributed with mean mu equals 50 and standard deviation sigma equals 7. Compute the p
drek231 [11]

Answer:

The probability that <em>X</em> is less than 42 is 0.1271.

Step-by-step explanation:

The random variable <em>X </em>follows a Normal distribution.

The mean and standard deviation are:

E (X) = <em>μ</em> = 50.

SD (X) = <em>σ</em> = 7.

A normal distribution is continuous probability distribution.

The Normal probability distribution with mean µ and standard deviation σ is given by,

f_{X}(\mu, \sigma)=\frac{1}{\sigma\sqrt{2\pi}}e^{-(x-\mu)^{2}/2\sigma^{2}};\ -\infty

To compute the probability of a Normal random variable we first standardize the raw score.

The raw scores are standardized using the formula:

z=\frac{x-\mu}{\sigma}

These standardized scores are known as <em>z</em>-scores and they follow normal distribution with mean 0 and standard deviation 1.

Compute the probability of (X < 42) as follows:

P(X

*Use a <em>z</em>-table for the probability.

Thus, the probability that <em>X</em> is less than 42 is 0.1271.

The normal curve is shown below.

6 0
3 years ago
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