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OLga [1]
3 years ago
8

Solve these simultaneous equations:x + y = 24y² - x²= 11​

Mathematics
1 answer:
Studentka2010 [4]3 years ago
4 0
Solve these simultaneous equations:
x + y = 2
4y² - x²= 11
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Find the number of positive integers n is less than or equal to 1000 such that 15n is a perfect square.
boyakko [2]

Answer:

8 positive integers.

Step-by-step explanation:

One value of n would be 15 because 225 = 15^2.

Other values  are 225 * n where 15n  <= 1000 and n is a perfect square.

So n = 4 gives us 225* 4 = 900 which is a perfect square and 15*4 = 60.

n = 9  gives us 225 * 9 which is a perfect square and 15*9 = 135.

n = 16 gives us 225*16  and 15*16 = 240 , so OK.

n = 25   gives a perfect square and  and 15*25 = 375 - so OK.

n = 36 gives a perfect square and 15*36 = 540 - so OK.

n = 49 gives a perfect square and  15*49 = 735 - so OK.

n = 64 gives a perfect square and 15*64 = 960 - so ok.

n = 81 gives a perfect square and 15 * 81 = 1215  so NOT ok.

3 0
3 years ago
Estimate 22,752 divided by 16
horrorfan [7]
Math answers to division of fraction 22752/16

22752
16
=
1422

1422 = 14220 to the nearest tenth

1422 = 1422 to the nearest hundredth

1422 = 1422 to the nearest thousandth

= 0 to the nearest tenth

= 0 to the nearest hundredth

= 0 to the nearest thousandth

Other Divisions Math homework are

22752 divide by half plus 20

Homework answers: (22752/2) + 20 = 11396

22752 divide by half plus 40

Homework answers: (22752/2) + 40 = 11416

22752/16 divided by 2

Answer: (22752/16) ÷ 2 = 711
8 0
3 years ago
Read 2 more answers
Who wants to ch/at? im so boreed
OleMash [197]

Answer: me too

Step-by-step explanation: me + bore = suffer

but,

me + life = suffer - me

= suffer = 0

have a good one

8 0
3 years ago
The slope is 3/4 and they y-intercept is (0, 4​
Paha777 [63]

Answer:

eqn of line

3x-4y=-16

Step-by-step explanation:

6 0
3 years ago
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What is 1000×1000<br><br><br> PLEASE HELP ME
ella [17]

Answer: 1000000

Step-by-step explanation:

5 0
4 years ago
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