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Allushta [10]
3 years ago
15

Kyle has 105 baseball cards and must give 1/5 of his figures away. How many cards will Kyle give away? What fraction of his card

s does he have left?​
Mathematics
1 answer:
andreev551 [17]3 years ago
4 0

Answer:

I think it would be 21, because 105 / 5 is 21, and if the denominator is the holder spot, it should be 21

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How write 89,170,326 in expanded and
evablogger [386]

80,000,000+9,000,000+100,000+70,000+300+20+6

8 0
3 years ago
Read 2 more answers
Find a and b such that gcd(a, b) = 14, a > 2000, b > 2000, and the only prime divisors of a and b are 2 and 7.
choli [55]

Answer:

a = 2^\alpha.14 \ ,\alpha\geq 8\\b = 7^\delta.14 \ , \delta\geq 3

Step-by-step explanation:

As 2  and 7 are the only prime divisors of both a and b we know that both can be written as:

a = 2^\alpha . 7^\beta \ , \alpha ,\beta\ \in \mathbb{N}_{0}\\b = 2^\gamma . 7^\delta \ , \gamma ,\delta\ \in \mathbb{N}_{0}\\

Where \mathbb{N}_{0} is the set of all natural numbers adding the zero (careful because this part is important as I'll explain next).

We also know that 14 divides both numbers and that is actually the greatest common divisor between them. So we can rewrite a and b as follows:

a = 2^\alpha . 7^\beta.14 \ , \alpha ,\beta\ \in \mathbb{N}_{0}\\b = 2^\gamma . 7^\delta.14 \ , \gamma ,\delta\ \in \mathbb{N}_{0}\\

Why do I write them like this? Because this way is easier to observe that if \alpha and \gamma were both greater than zero, then 28 would divide both hence 14 wouldn't be their g.c.d.. Likewise, if \beta and \delta were both greater than zero, then 98 would divide both and once again, 14 wouldn't be their g.c.d.

So either of them has to be equal to zero. And then we have that

a = 2^\alpha.14 \\b = 7^\delta.14

All we have left to do is find the possible values for \alpha and \delta so that a>2000 \ , b>2000 and that only happens if \alpha\geq 8 and \delta\geq 3

8 0
3 years ago
ASAP SOMEONE HELP ME PLZ
Citrus2011 [14]
Ok so you find the area of the yellow and the red and the area of the yellow you subtract it with the area aid the red that should give you the correct answer
5 0
3 years ago
A number is divided by 6, and then the quotient is added to 29. The result is 41.
VashaNatasha [74]

Answer:2

Step-by-step explanation:x/6+29=41

41-29=12

12/6=2

3 0
3 years ago
HELP PLEASEEEE!!!!!! Last one :(
crimeas [40]

Answer:

4

Step-by-step explanation:

RS + ST = RT

=> 3x-8 + x = 2x

4x - 8 = 2x

Subtract 2x from both the sides,

4x - 2x - 8 = 0

2x - 8 = 0

Add 8,

2x = 8

Divide by 2,

x = 8/2 = 4

Length of line segment ST = x = 4

4 0
3 years ago
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