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bogdanovich [222]
3 years ago
11

You have 48 grams of a radioactive kind of xenon. If it's half life is 9 hours, how much will be left after 18 hours?​

Mathematics
1 answer:
Naddik [55]3 years ago
3 0

Answer:

48/2= 24

24g=9hours

24*2=48-18hours(48g)= 0g

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The students in Todd's grade voted to select a guest speaker. 24 students voted for a famous athlete. The other 8 students in To
Colt1911 [192]

Answer:

75% of students voted for the athlete

Step-by-step explanation:

total number of students 24+8 = 32

24 out of 32 students chose the athlete

24/32 simplified = 3/4

3/4 = 75%

8 0
3 years ago
Please answer this question now
Rashid [163]

Answer:

54

Step-by-step explanation:

To solve problems like this, always recall the "Two-Tangent theorem", which states that two tangents of a circle are congruent if they meet at an external point outside the circle.

The perimeter of the given triangle = IK + KM + MI

IK = IJ + JK = 13

KM = KL + LM = ?

MI = MN + NI ?

Let's find the length of each tangents.

NI = IJ = 5 (tangents from external point I)

JK = IK - IJ = 13 - 5 = 8

JK = KL = 8 (Tangents from external point K)

LM = MN = 14 (Tangents from external point M)

Thus,

IK = IJ + JK = 5 + 8 = 13

KM = KL + LM = 8 + 14 = 22

MI = MN + NI = 14 + 5 = 19

Perimeter = IK + KM + MI = 13 + 22 + 19 = 54

4 0
3 years ago
Can x=9.4 be written in y=mx+b form?
Westkost [7]

Answer:

The given equation cannot be written in slope intercept form

Step-by-step explanation:

we know that

y=mx+b

Is the equation of the line in slope intercept form

where

m is the slope

b is the y-intercept

In this problem we have

x=9.4

This is a vertical line (parallel to the y-axis)

The slope is undefined

therefore

The given equation cannot be written in slope intercept form

4 0
3 years ago
What is 8.478 in expanded form?
nataly862011 [7]
<span>8+0.4+0.07+0.008 you basically separate the numbers starting with the largest working down to the smallest.

i hope i helped

</span>
7 0
3 years ago
Read 2 more answers
If you shift the exponential parent function, f(x) = 2^x , right 2 units, what is the equation of the new function?
aev [14]

Answer:

g(x)=2^{x-2}

Step-by-step explanation:

<u>Translations</u>

For a > 0

f(x+a) \implies f(x) \: \textsf{translated}\:a\:\textsf{units left}

f(x-a) \implies f(x) \: \textsf{translated}\:a\:\textsf{units right}

f(x)+a \implies f(x) \: \textsf{translated}\:a\:\textsf{units up}

f(x)-a \implies f(x) \: \textsf{translated}\:a\:\textsf{units down}

Parent function:  f(x)=2^x

Translated 2 units right:  g(x)=f(x-2)=2^{x-2}

6 0
2 years ago
Read 2 more answers
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