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Eddi Din [679]
3 years ago
5

if you reflect any shape across the x-axis and then rotate it 90 degrees clockwise about the origin, do you get the same results

as if you reflect it across the y-axis and then rotate it 90 degress counterclockwise about the origin? what does this mean?
Mathematics
2 answers:
vampirchik [111]3 years ago
7 0

it is easy 90x+90y then divide by 4

Step-by-step explanation:

Alex Ar [27]3 years ago
7 0

Answer:

Yes, reflecting a shape across the x-axis and then rotating it 90° clockwise about the origin gives the same results as reflecting it across the y-axis followed by rotating it 90° counterclockwise about the origin. This means these two sequences of transformations are equivalent.

Step-by-step explanation:

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A company that manufactures toothpaste is studying five different package designs. Assuming that one design is just as likely to
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Answer:

20%

Step-by-step explanation:

p(outcomes)=#of favourable outcomes/#of possible outcomes

=1/5

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7 0
3 years ago
Jim is a radio ad salesperson. He is paid 17 percent for every ad he sells. He sold an ad today for $2,000.00. What is his commi
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Answer:

$340

Step-by-step explanation:

Given:

Jim is paid 17% for every ad he sells.

He sold an ad today for $2000

Now we have to find the commission.

The commission rate is 17%

If he sells $100, then he gets $17 as commission.

To find the commission on sale ad of $2000, we have to multiply 2000 by 17%

17% of 2000

= \frac{17}{100} *2000

We can simplify 2000 by 100, we get

= 17*20

Commission = $340

He gets $340 as commission for the ad sale of $2000.

8 0
3 years ago
Over the last 3  evenings, Keisha received a total of 81  phone calls at the call center. The first evening, she received 6  few
tensa zangetsu [6.8K]

Answer:

First: 15

Second: 21

Third: 45

Step-by-step explanation:

In order to create the equation we need to represent the evenings with an alebraic term, in thsi case we are going to represent the second evening with an X

Second evening:x

The first night she got 6 fewer calls than the second: Second-6=x-6

The third night she received 3 times the first: 3(first night)=3(x-6)

The equation is First Night plus second night plus third night equals 81.

First+second+third=81\\x+(x-7)+3(x-6)=81\\x+x-7+3x-18=81\\5x=81+21+6\\5x=105\\x=\frac{105}{5} \\x=21

So the first evening he received 15 calls, the second he received 21 and the third one he received 45.

8 0
3 years ago
i see two things at the mall one shirt is 32$ and is 70% off and the 2nd shirt is 33$ and is 71% percent off which is a better d
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8 0
3 years ago
et y represent the total cost of publishing a book (in dollars). Let x represent the number of copies of the book printed. Suppo
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The change in the total cost for each book printed is $10.

The cost to get started ( before any books are printed) is $1200

Step - by -step Explanation

What to find?

• The change in the total cost for each book printed.

,

• The cost to get started ( before any books are printed).

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Given:

The given equation is 1200 + 10x = y

where x is the number of xopies of book printed and y is the total cost of publishing the book .

b) To obtain the cost to get started;

Substitute x = 0 into the given equation.

1200 + 10(0) = y

1200 = y

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Put x =1 in the given equation.

1200 + 10(1) = y

1210 =y

Change in cost for each book printed is 1210 - 1200 = 10

Hence, the change in the total cost for each book printed is $10.

<em />

5 0
1 year ago
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