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3 years ago

Select the reason why these triangles are similar. If they are not, select “not similar”

Mathematics

1 answer:

larisa [96]3 years ago

8 0

Answer:

B. SAS

Step-by-step explanation:

3/1= 2.25/075

The 2 sides are congruent and the angle between them is common

B. SAS is the answer

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What is the mean absolute deviation for the set of data below? 2, 8, 10, 16

Evgesh-ka [11]

Solution: We are given below data:

$2, 8, 10, 16$

Now to find the mean deviation, we use the below formula:

$MD= \frac{\sum|X-\bar{X}|}{N}$

Where:

$\sum,$ represents the summation

X, represents the observation.

$\bar{X},$ represents the mean

N represents the number of observation.

$\bar{X}= \frac{\sum{X}}{N}= \frac{2+8+10+16}{4}=9$

$\sum |X-\bar{X}| = |2-9| + |8-9| +|10-9| +|16-9|=7+1+1+7=16$

Therefore, the mean deviation is:

$MD= \frac{16}{4}$

= 4

5 0

4 years ago

Read 2 more answers

Solve for x: -1/2(-4+2x) = -6 - 4x

antiseptic1488 [7]

$-\dfrac{1}{2}(-4+2x)=-6-4x\ \ \ \ \ |multiply\ both\ sides\ by\ (-2)\\\\-4+2x=12+8x\ \ \ \ |add\ 4\ to\ both\ sides\\\\2x=16+8x\ \ \ \ \ |subtract\ 8x\ from\ both\ sides\\\\-6x=16\ \ \ \ \ |divide\ both\ sides\ by\ (-6)\\\\x=-\dfrac{16}{6}\\\\x=-\dfrac{8}{3}\\\\\boxed{x=-2\frac{2}{3}}$

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3 years ago

Given: F3 = 5 k + 515 g F4 = 945k - 713 g ; find F20

Alisiya [41]

9514 1404 393

Answer:

F20 = 15985k -20361g

Step-by-step explanation:

If we assume F3 and F4 are the third and fourth terms of an arithmetic sequence, the common difference is ...

d = F4 -F3 = (945k -713g) -(5k +515g)

d = 940k -1228g

Then the 20th term is ...

F20 = F3 +(20 -3)d = (5k +515g) +17(940k -1228g)

F20 = 15985k -20361g

8 0

3 years ago

What's the product of 3 2/3 and 14 2/5 ? A. 52 4/5 B. 52 4/15 C. 54 D. 42 4/5

wlad13 [49]

Answer:

52 4/5

Have a nice day! :)

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3 years ago

Roman55 [17]

$\neq \lim_{n \to \infty} a_n \pi x_{123} \alpha$ Answer:

Step-by-step explanation:

There are 3 boxes. The formula for volume is lxhxw, (length x height x width)

6 0

2 years ago