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kotegsom [21]
3 years ago
11

How much will be left after 24 hrs if it’s half life is 6 hours?

Mathematics
1 answer:
Ket [755]3 years ago
6 0
The quantity remaining will be 
.. 448*(1/2)^(24/6) = 448/16 = 28 . . . . grams
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Find (y) 2x+0,4y= 9 x=2,3
yarga [219]

Answer:

9y 2x+0,4y=9 4=2,3

Step-by-step explanation:

7 0
3 years ago
Can u guys please answer these questions
aliya0001 [1]

Answer:

Im not sure about Q1 but I'll help with Q2

9 =

\sqrt{81}

8 =

\sqrt[3]{512}

14 =

\sqrt{196}

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\sqrt[3]{8}

4 =

\sqrt{16}

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8 0
3 years ago
On a coordinate plane, a shape is plotted with vertices of (3, 1), (0, 4), (3, 7), and (6, 4). what is the area of the shape if
QveST [7]
Let
<span>A (3, 1)
B (0, 4)
C(3, 7)
D (6, 4)

step 1
find the distance AB
d=</span>√[(y2-y1)²+(x2-x1)²]------> dAB=√[(4-1)²+(0-3)²]-----> dAB=√18 cm

step 2
find the distance CD
d=√[(y2-y1)²+(x2-x1)²]------> dCD=√[(4-7)²+(6-3)²]-----> dCD=√18 cm

step 3
find the distance AD
d=√[(y2-y1)²+(x2-x1)²]------> dAD=√[(4-1)²+(6-3)²]-----> dAD=√18 cm

step 4
find the distance BC
d=√[(y2-y1)²+(x2-x1)²]------> dBC=√[(7-4)²+(3-0)²]-----> dBC=√18 cm

step 5
find slope AB and CD
m=(y2-y1)/(x2-x1)
mAB=-1
mCD=-1
AB and CD are parallel and AB=CD

step 6
find slope AD and BC
m=(y2-y1)/(x2-x1)
mAD=1
mBC=1
AD and BC are parallel and AD=BC
and 
AB and AD are perpendicular 
BC and CD are perpendicular

therefore
the shape is a square wit length side √18 cm

area of a square=b²
b is the length side of a square
area of a square=(√18)²------> 18 cm²

the answer is
18 cm²

see the attached figure


6 0
3 years ago
Find the sum of the measure of the interior angles of the polygon below.
lana [24]

Answer:

900

Step-by-step explanation:

(n – 2)180  where n is the number of sides

since this is a 7 sided polygon

(7-2) * 180

5 * 180

900

4 0
3 years ago
Please help meeeeeeeeee
aalyn [17]
C.) 1600 pi cm3

When you do 10^2 you get 100 and you multiply that by the height so 16 and you get 1600.
3 0
3 years ago
Read 2 more answers
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