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2 years ago

Question in attachment

Mathematics

1 answer:

maxonik [38]2 years ago

8 0

Solution:

When, you rotate a picture by 180°, we rotate it by half of a full circle.
The first picture is the original picture.
The second picture is the image when it is rotated by 90°.
The third picture is the images when, it is rotated once more by 90°. This image is the rotation of the image around P by 180°.
So, the answer will be option A.

Answer:

Option A.

Hope you could understand.

If you have any query, feel free to ask.

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A 42-inch board is to be cut into three pieces so that the second is twice as long as the first piece and the third is 4 times a

Damm [24]

Njcnjhfbvhtvhjvbhbvirbbhvbfuhbveruvbhbviribvhbhvbrivhnreiv

4 0

3 years ago

You are assigned a computer generated 4-digit password to access your new voice mail account. If the

lara [203]

Answer:

5,040 different passwords are possible

Step-by-step explanation:

Assuming that 4-digit means using only numeric values.

This is a permutations problem.

n = number of values used with number values only this is 10

r = the number used in each case without repeating in this case 4

nPr = n! / (n - r)!

nPr = 10! / (10-4)!

nPr = 10! / 6!

The ! means factorial. For example 4! = 4 x 3 x 2 x 1 = 24

A quick hack for dividing factorials is to use cancelling.

10! / 6! = 10 x 9 x 8 x 7 (because 6 to 1 are cancelled by 6!)

= 5040

5 0

4 years ago

Which of these graphs represents the inequality x <10

PtichkaEL [24]

Answer:

There are no graphs, but the graph should look lyke this:

An open circle on the point "10"

And from the 10, the arrow should be going left, towards the negatives, or smaller numbers than the ten

8 0

3 years ago

Every student in the senior class is taking history or science and 85 of them are taking both. If there are 106 seniors taking h

MissTica

Number of students in senior class is 130

Solution:

Given that Every student in the senior class is taking history or science

85 of them taking both history and science

106 seniors takes history

109 seniors takes science

To find: number of students in senior class

Let A be the set of the students of the senior class that take history

Let B be the set of students of senior class that they science

The number of students in senior class is given by:

$|A \cup B|=|A|+|B|-|A \cap B|$

Where,

A = 106 and B = 109 and |A n B| = 85

$|A \cup B|=106+109-85=130$

Thus number of students in senior class is 130

5 0

4 years ago

A rectangular jewelry box costs $125 to gold plate. Calculate the cost of gold plating a box which is similar in shape and that

Alja [10]

To determine the amount of gold plating necessary for the similar box, you will use the fact that it is 8 times larger in volume to determine how many times larger the area is. This would be what you will multiply $125 by.

Volume is a three dimensional measurement, so the fact that it is 8 times larger tells us each dimension was 2 times larger (2 x 2 x 2=8).

Area is a two dimensional measurement, so the area would have been 2 x 2 or 4 times larger. This means the price would be 4 times as much.
$125 x 4 = $500.

It will cost $500 to gold plate the similar jewelry box.

7 0

4 years ago

Question in attachment​

Question in attachment