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taurus [48]
3 years ago
7

I don't know how to do this help

Mathematics
1 answer:
aleksklad [387]3 years ago
5 0

Answer:

x=2

Step-by-step explanation:

5 divided by 2.5 (or 2 1/2)

5/2.5=2

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X-2y=0 ,x²-y²=3<br>by step​
masya89 [10]

Answer:

x=2, y=1

x=-2, y = -1

Step-by-step explanation:

x - 2y = 0

x = 2y

x² - y² = 3

(2y)² - y² = 3

3y² = 3

y² = 1

y = 1 or y = - 1

x = 2 or x = -2

5 0
3 years ago
What is x at most 30
andrezito [222]

Answer:

x < 30

Step-by-step explanation:

x is every number less or equal to 30


7 0
3 years ago
Take a deck of playing cards form following sets out of those
swat32

The information given about the probability shows that the cardinality of D is 18.

<h3>How to calculate the probability?</h3>

From the complete information, the number of red-colored cards is 26.

Also, the number of red-colored number cards will be 18.

The cardinality of a set is a measure of a set's size, meaning the number of elements in the set.

Here, the cardinality of set D is 18.

Here is the complete question:

Take a deck of playing cards. Form following sets out of those:

A = Set of Face Cards

B = Set of Red Coloured Face cards

C = Set of Black Coloured Face Cards

D = Set of Red Coloured Number Cards

Find the Cardinality of set D

Learn more about probability on:

brainly.com/question/24756209

#SPJ1

7 0
2 years ago
Solve for y<br> 1/2y + 3/2 = 3y+4
denpristay [2]
The answer to 1/2y+3/2=3y+4 is y= -1
3 0
2 years ago
Is 0.912 or 0.950 greater
pochemuha
<span>0.950. Hope this helps. :)</span>
5 0
3 years ago
Read 2 more answers
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