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Lorico [155]
3 years ago
6

30+10h=90 what is the variable?

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
8 0
H is the variable since it is an unknown number.
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Which set contains rational numbers?
neonofarm [45]

Rational numbers are any numbers that terminate (the decimal ends somewhere)

The only set that does this is D, since

\sqrt{25}  = 5

All other sets have these:

\sqrt{47}  \:  \sqrt{7}  \: \pi

None of these terminate (the decimals goes on forever), so the answer is D

4 0
3 years ago
Find the solution of this system of equations -x-4y=-37 -2x-5y=-53
zzz [600]

Answer:

The solution in point form is (9,7) and the equation would be x+9, y=7

Step-by-step explanation:

By using moving the -4y to the right side and by flipping the signs you can turn the equation -x-4y=-37 into x=37-4y.

With this new equation you can use the substitution method and replace the x in -2x-5y=-53 with 37-4y, making it look like this: -2(37-4y)-5y=-53.

Then you solve for y getting y=7.

With the value of y, you can plug that into the equation x=37-4y so it will look like x=37-4(7)

Then you solve for x getting x=9

And with that you get the point (9,7)

7 0
3 years ago
Find the square root of 784
jarptica [38.1K]

Answer: 28

Step-by-step explanation: 28 x 28 = 784

6 0
4 years ago
Read 2 more answers
What does x = help please
Allisa [31]

Answer:

x= 90/4*2x

Step-by-step explanation:

4 0
3 years ago
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IN A FORM, THERE ARE 900 RABBITS, 700 SHEEP, 300 CATTLE AND 500 PIGS. WHAT PERCENTAGE OF THE TOTAL NUMBER OF ANIMALS ARE RABBITS
Free_Kalibri [48]

Answer:

Step-by-step explanation:

900+700+300+500=2.4k (2400)

there are 900 rabbits and 2400 animals total. 900% of 2400 is 37.5

hope this helps :D brainliest is always appreciated

4 0
3 years ago
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