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telo118 [61]
3 years ago
13

If xy = 0, what must be true about either x or y?

Mathematics
2 answers:
Helga [31]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Anything times zero is zero

koban [17]3 years ago
4 0

Answer:

One of them must be zero.

Step-by-step explanation:

For something to equal zero it needs to be multiplied by a value of zero.

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What is the area in terms of pi
svetoff [14.1K]

Answer:

<h2>C = 70π cm</h2><h2>A = 2,450 cm²</h2>

Step-by-step explanation:

The perimeter of the given figure is equal to the circumference of whole circle.

The formula of a circumference of a circle:

C=\pi d

d - diameter

We have d = 70 cm. Substitute:

C=70\pi\ cm

The area of given figure is equal to the area of rectangle 70cm × 35cm.

(look at the picture).

The area of a rectangle:

A=(70)(35)=2,450\ cm^2

4 0
3 years ago
Help................​
Rina8888 [55]

Answer:  DB is 5

Step-by-step explanation:

Alright, lets get started.

Since given that AD is parallel to CB.

And AB is parallel to CD.

And the angle A is given as 90°

It means the given figure is a rectangle.

And the diagonals of the rectangle are equal to each other.

So, DB=AC

So, DB=5

Hence the answer is 5 ...     Answer

Hope it will help :)

4 0
2 years ago
A store can buy 8 cartons of milk for $24 or 7 cartons of milk for $28.
USPshnik [31]

Answer:

A. $1 less

Step-by-step explanation:

24 divided by 8 (unit rate) = $3

28 divided by 7 = $4

4-3=1

3 0
2 years ago
Write an absolute value equation that has the solutions x=−6 and x=10
Dimas [21]
x^{2} +6x-60=0
3 0
3 years ago
Suppose y is directly proportional to x. If y= 24 when x=2, what is the value of x when y= 144?
Gala2k [10]

Answer:

12

Step-by-step explanation:

Because y=24 and x=2 you do the following:

144/24=6

Then, 6x2=12 because it is proportional

Or you could do 24/2=12 and 144/12=12

5 0
2 years ago
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