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Natali [406]
3 years ago
8

Element X decays radioactively with a half life of 10 minutes. If there are 510 grams

Mathematics
1 answer:
pishuonlain [190]3 years ago
7 0

Answer:

46 minutes

Step-by-step explanation:

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Alicia's MP3 player contains 1,260 songs. Given that 35% of the songs are rock songs and 20% of the songs are rap songs, how man
ivanzaharov [21]
100% is a whole...

35+20=55
100-55=45

There are 45% of other songs
4 0
3 years ago
Find the coordinates of P ' if D o, 2.4 (x,y) is applied to the triangle below
guajiro [1.7K]

Answer:

The coordinates of P' are (4.8,-4.8).

Step-by-step explanation:

The rule of dilation D_{o,2.4}(x,y) represent the dilation with scale factor 2.4 and center at origin.

If the scale factor of the dilation is k and the center is (0,0), then

(x,y)\rightarrow (kx,ky)

Since the scale factor is 2.4, therefore

(x,y)\rightarrow (2.4x,2.4y)

From the given figure it is noticed that the coordinates of P are (2,-2). The coordinates of P' are

P(2,-2)\rightarrow P'(2.4(2),2.4(-2))

P(2,-2)\rightarrow P'(4.8,-4.8)

Therefore the coordinates of P' are (4.8,-4.8).

3 0
3 years ago
P(x) is a polynomial with integer coefficients and p(-3) = 0.
natka813 [3]

Answer:

x + 3 is a factor of the polynomial.

Step-by-step explanation:

We have been given that p(x) is a polynomial with integer coefficient.

Also p(-3)=0

Since, p(-3) =0, hence, we can say that -3 is a zero of the polynomial.

Now, we apply factor theorem.

Factor Theorem: If 'a' is a zero of a function f(x) then (x-a) must be a factor of the function f(x).

Applying this theorem, we can say that (x+3) must be a factor of the polynomial.

Hence, first statement must be true.

5 0
3 years ago
Read 2 more answers
Simplifying and combining like terms : 2(x-2)+(x+3)
brilliants [131]
2(x-2)+(x+3)
=(2x-4)+(x+3)
=2x-4+x+3
=3x-1
7 0
3 years ago
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1) Jorge takes his friends out for smoothies. He buys 5 smoothies and leaves a $3 tip,
irina1246 [14]

Answer:

15b-x=4

Step-by-step explanation:

i am a smart teacher

7 0
3 years ago
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