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Burka [1]
3 years ago
11

You have 192 grams of a radioactive kind of iodine. How much will be left

Mathematics
1 answer:
m_a_m_a [10]3 years ago
8 0

Answer:

192/2= 96 g after 7h

96/2=48 g after 14h

48/2= 24 g after 21h

<h2>24/2= 12 g after 28h </h2>
You might be interested in
Triangle G H J is rotated 90 degrees about point X to form triangle S T R.
katrin2010 [14]

The congruency statement is true TS ≅ HG. so option C is correct.

<h3>What is the congruent triangle?</h3>

Two triangles are said to be congruent if the length of the sides is equal, a measure of the angles are equal and they can be superimposed.

Given information;

Triangle G H J is rotated 90 degrees about point X to form triangle S T R.

Triangle GHJ is rotated 90° about point X, resulting in triangle STR.

Now, if any triangle is rotated 90 degrees about a point the two sides will be ≅ to each other.

So, ST = GH

RT= HJ

SR= GJ

<S= <G

<T = <H

<R=<J

The side TS ≅ HG.

Hence, option (c) is correct.

Learn more about congruent;

brainly.com/question/12812405

#SPJ1

7 0
2 years ago
Pls answer I got 15 points and omg pls be correct
Sloan [31]

Answer:

$119.79

Step-by-step explanation:

Formula:

A=P(1+\frac{r}{n} )^{nt}

Given:

P = 90

r = 0.1

t = 3

n = 1

Work:

A=P(1+\frac{r}{n} )^{nt}\\\\A=90(1+\frac{0.1}{1} })^{3*1}\\\\A=90(1.1)^3\\A=90(1.331)\\A=119.79

3 0
3 years ago
| 10. Write an equation of a line that is parallel to
Alchen [17]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange - 3x + 4y = 5 into this form

Add 3x to both sides

4y = 3x + 5 ( divide all terms by 4 )

y = \frac{3}{4} x + \frac{5}{4} ← in slope- intercept form

with slope m = \frac{3}{4}

• Parallel lines have equal slopes, thus

y = \frac{3}{4} x + c ← is the partial equation of the parallel line

To find c substitute (2. 1) into the partial equation

1 = \frac{3}{2} + c ⇒ c = - \frac{1}{2}

y = \frac{3}{4} x - \frac{1}{2} ← equation of parallel line

8 0
3 years ago
34.
Kaylis [27]
B I’m guessing……………..
3 0
1 year ago
Read 2 more answers
Help! How do I fill out the box at the top of the page? This isn't making sense (I'm in 7th)
masha68 [24]

Answer:

x= 4

y= 9

so in that case (x,y) would be (4,9)

then you go down to the x axis and go to 4.

then you go up 9 and that is your first point

same thing for the rest of them so it would be (6,3)

(1,3)

(8,7)

(8,9)

6 0
1 year ago
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