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Margarita [4]
3 years ago
8

The number can be divided by the least common multiple of 3 and 5

Mathematics
1 answer:
kondaur [170]3 years ago
3 0

9514 1404 393

Answer:

  255

Step-by-step explanation:

If the sum of digits is 12, the number is divisible by 3. If the number ends in 0 or 5, it is divisible by 5. So, we're looking for ...

  2x0 . . . where x is a digit and 2+x+0 = 12 . . . . . . not possible

  2x5 . . . where x is a digit and 2+x+5 = 12 . . . . true for x=5

The number is 255.

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If a student sleeps 7 hours what percent of a 24 hour day is that
kumpel [21]
SOLUTION:

= ( 7 / 24 ) × 100%

= 29.16% ( with reciprocal of 6 )

Hope this helps! :)
Have a lovely day! <3
5 0
3 years ago
9x - 4/x = 3. How to solve this? What is the value of x?
Ket [755]
9x-4/x=3 ok first lets get the like terms together! So 9x+1x=10x rewrite 10x-4=3 add 4 to both sides 10x=7 then divide 10 7/10=.7 x=.7
Or you can do it this way
9x-4/x=3 combine like terms so times -4 to both sides 3*-4=-12 rewrite 9x+x=-12 combine like term (still got some) 9x+1x=10x rewrite 10x=-12 divide 10 to both sides -12/10=-1.2 rewrite x=-1.2 (I'm like 95% sure it's this one) hope this helps!!! Have a nice nite (Don't be afraid to ask me about details on this or another question)!!!
7 0
3 years ago
X-5y-z=-20<br><br>-2x-y-6z=25<br><br>-x-4y-z=-15<br>Solve by elimination
Tju [1.3M]

Answer:

x = 0

y = 5

z = -5.

Step-by-step explanation:

X-5y-z=-20

-2x-y-6z=25

-x-4y-z=-15

Add equation 1 and 3:

-9y - 2z = -35 .......... A

Multiply the first equation by 2:

2x - 10y - 2z = -40

Now add this to equation 2:

-11y -8z = -15.............B

Now multiply equation A by -4:

36y + 8x = 140.........C

Add equations B and C:

25y = 125

y = 5.

Substitute for y in equation A:

-9*5 - 2z = -35

2z = -45 + 35 = - 10

z = -5.

Now find x by substituting for y and z in the first equation:

x - 5(5) - (-5) = -20

x - 20 = -20

x = 0.

6 0
3 years ago
Help please !!!! I need this I don’t need a detailed explanation
natta225 [31]
Answer:


The answer is C, -6/5
7 0
2 years ago
Read 2 more answers
Rewrite in simplest rational exponent form square root of x times the fourth root of x. Show each step of your process.
belka [17]

Answer:

\sqrt[4]{ {x}^{3}  }

Step-by-step explanation:

\sqrt{x}  \times  \sqrt[4]{x} \\  =  {x}^{ \frac{1}{2} }  \times  {x}^{ \frac{1}{4} }  \\  =  {x}^{ \frac{1}{2}  +  \frac{1}{4} }  \\  =  {x}^{ \frac{3}{4} }  \\  =  \sqrt[4]{ {x}^{3} }

5 0
1 year ago
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