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bazaltina [42]
2 years ago
10

When you subtract one square number from another the answer is 5. What are the two square numbers?

Mathematics
1 answer:
xenn [34]2 years ago
5 0
1.) First you have to write down your square numbers. Remember to only write the first couple of numbers because as square numbers get bigger the difference between them does.5 is a small number so only write the first couple numbers.

1,4,9,16,25

2.) Then you find the difference between each number.
25 - 16= 9
9 - 4 =5
4 - 1 =3

3.) look at which numbers have the difference of 5 and in this case it will be 9 and 4.

hope this helped.


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At a park, there are 38 people playing tennis some or playing doubles and some are playing singles there are 13 matches in progr
dmitriy555 [2]
X = number of singles matches
y = number of doubles mnathes

so we have the equation x + y = 13.......(1)

also 

2x + 4y  = 38 ...........(2)

(1) and (2) are the required equations

b)  Find how many maches are in progress by solivng the above equations:-

x + y  =  13   multiply this by -2:-
-2x - 2y = -26
2x + 4y = 38   Adding to removes the  terms in x:-

2y = 12

y = 6  

so x = 13-6 = 7

So the answer is  6 double matches and 7 singles are in progress.
5 0
3 years ago
The graph of a quadratic function does not cross the x-axis, but crosses the y-axis in one place.
natulia [17]

Answer: D


Step-by-step explanation:

A quadratic function has a degree of 2 so there will be two roots.  The statement says the function does NOT CROSS THE X-AXIS so there are no real roots. That means both roots must be imaginary (complex).

5 0
3 years ago
How do you solve x-y=1 ; x+y=3. Please Explain
KIM [24]
You isolate one variable. Let's say that x will be that variable in the first equation:
x-y=1
 +y  +y
x=y+1
So now you have the equation for x.  All you have to do is substitute it into the other:
x=y+1
(y+1)+y=3
Combine like terms and solve:
2y+1=3
    -1  -1
2y=2
2y/2=2/2
y=1
Now that you have the value of one, substitute it into either of the equations to find x.
If you put it in the first:
x-1=1
 +1  +1
x=2
If you put it into the other, you would get the same answer.
Therefore, y=1 and x=2
8 0
3 years ago
Read 2 more answers
You have $47 to spend on music and movie downloads Each album download costs $7 and each movie download costs $8. Write and grap
mel-nik [20]

Answer:each album costs $7 and you buy x of them

cost of albums = 7x

each movie costs $8 and you have you have y of them

cost of movies = 8y

total cost is has to be less than $47

---> 7x + 8y < 47

sketch the graph of 7x + 8y = 47 , a straight line, and shade in the region below that line. Of course you would stay in the first quadrant, (x > 0, and y >0 , since you can't have negative number of movies and albums)

Since you can't buy partial albums and movies, both x and y have to be whole numbers.

So for solutions you would consider only ordered pairs that have whole numbers as their components.

e.g. (2, 2) or (1,5)

Step-by-step explanation: Hope this helps :)

8 0
2 years ago
Between which two integers does the square root of 17 fall between?
Mrrafil [7]
Two integers mean numbers that do not have decimals. Whole numbers

to figure out between what two integers get a calculator and do square root 17
which is 4.123 (to three decimal places)

thus it falls between 4 and 5. since it is above 4 and below 5 and there are no integers in between possible.

Hope this helps :P
4 0
3 years ago
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