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4 years ago

13

emma drew truangke ABC that is shown below. Emma reflected the triangle across the x axis and then rotated the figure 90 degrees

counterclockwise about the origin. which triangle ABC did she end up with

1 answer:

faltersainse [42]4 years ago

6 0

Answer:

CAB

Step-by-step explanation:

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Determine the cardinal number of A={2,4,6,8,10}

dimulka [17.4K]

A cardinal number of a set is the number of elemenents it contains. Therefore the cardinal number of A is equal to 5.

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3 years ago

What are the missing numbers for this ratio table

IrinaVladis [17]

Answer:

y = 8
x = 9

Step-by-step explanation:

The ratios of the numbers shown in the table are all ...

y/x = 16/4 = 20/5 = 4

Then the missing y-value is ...

y = 4x

y = 4(2) = 8

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And the missing x-value is ...

36 = 4x

36/4 = x = 9

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<em>Additional comment</em>

The x- and y-values in a "ratio table" are proportional to each other. That means the y corresponding to half an x-value will be half the y-value. In other words, the y for x=2 will be half the y for x=4, or 16/2 = 8.

Also, the values add. We notice that y=36 is the sum of y=16 and y=20. This means the corresponding x-value for y=36 will be the sum of x=4 and x=5, or x = 4+5 = 9.

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2 years ago

A set of data items in normally distributed with a mean of 400 & a standard deviation of 40. Find the data item in this dist

kumpel [21]

$-6.3=\dfrac{x-400}{40}\implies x=148$

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3 years ago

Jenna is buying four new shirts at $20 each. Which of the following is NOT a way to write a calculation for how much money Jenna

suter [353]

Answer:

20/4

Step-by-step explanation:

Because that would mean 20 divided by 4 which wouldn't accumulate to 80

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3 years ago

PLEASE HELP ME I NEED IT RN

lapo4ka [179]

Answer:

(47) c. given

(48) b. definition of complementary

(49) a, m<2 = m<3

(50) d. definition of congruent angles

Step-by-step explanation:

From the given question, the proof can be completed as;

Statement Reason

1. <2 and < 1 are complementary (47) c. given

<3 and <1 are complementary

2. m<2 + m<1 = $90^{o}$ (48) b. definition of complementary angles

m<3 + m<1 = $90^{o}$

3. m<2 + m<1 = m<3 + m<1 3. Substitution property

4. (49) a, m<2 = m<3 4. Subtraction property

5. <2 ≅ <3 (50) d. definition of congruent angles

Therefore,

(47) c. given

(48) b. definition of complementary

(49) a, m<2 = m<3

(50) d. definition of congruent angles

5 0

4 years ago