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Nimfa-mama [501]
3 years ago
15

The chemical element einsteinium-253 naturally loses its mass over time. A sample of an einsteinium-253 had an initial mass of 5

40 g when we measured it. The relationship the elapsed time T in months and the mass m(t) in grams left in the sample is modeled by the following function m(t)=540•(1/8)^t/2.05 complete the following sentence about the rate of change in the mass of the sample
Mathematics
1 answer:
qaws [65]3 years ago
8 0

Answer:

70

Step-by-step explanation:

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larisa86 [58]

Distance formula

\boxed{\sf \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}

Now

#1

\\ \tt\Rrightarrow AB=\sqrt{(3-3)^2+(-2-8)^2}=\sqrt{100}=10units

#2

\\ \tt\Rrightarrow OK=\sqrt{(5-7)^2+(-2+2)^2}=\sqrt{4}=2units

#3

\\ \tt\Rrightarrow LM=\sqrt{(-4-4)^2+(6+4)^2}=\sqrt{64+100}=\sqrt{164}\approx 13units

#4

\\ \tt\Rrightarrow PC=\sqrt{(5-2)^2+(1-3)^2}=\sqrt{9+4}=\sqrt{13}=3.2units

#5

\\ \tt\Rrightarrow QR=\sqrt{(-2+10)^2+(3-9)^2}=\sqrt{64+36}=\sqrt{100}=10units

8 0
3 years ago
Read 2 more answers
Peaches are being sold for $2 per pound. If x represents the number of pounds of peaches bought and y represents the total cost
masya89 [10]
X=the total amount of pounds of peaches bought Y=the total cost....the equation would be y=2x
7 0
4 years ago
PLEASE HELP ME thank you<br><br> answer needs to be in simplest radical form <br><br> find d
sweet [91]

Answer:

d=10

Step-by-step explanation:

Pythagorean theorem:

d^2+d^2=10\sqrt{2}^2,\\2d^2=200,\\d^2=100,\\d=\boxed{10}

Alternative:

\cos 45^{\circ}=\frac{d}{10\sqrt{2}},\\\frac{\sqrt{2}}{2}=\frac{d}{10\sqrt{2}},\\2d=10\sqrt{2}\cdot \sqrt{2},\\2d=20,\\d=\boxed{10}

Alternative (derived from the Pythagorean theorem):

All 45-45-90 triangles have side lengths x-x-x\sqrt{2}, where x\sqrt{2} is the hypotenuse. Since this triangle's hypotenuse is 10\sqrt{2}, its sides are 10-10-10\sqrt{2}.

3 0
3 years ago
Read 2 more answers
Complete the table of values for y = - x2 - 6x - 4
Anna11 [10]

Answer:

x= -2 —> y= 4

x = -1 —> y = 1

x = 0 —> y = – 4

x = 1 —> y = – 11

x = 2 —> y = – 20

I hope I helped you^_^

8 0
3 years ago
Look at attachment inside please help me im on timer
Julli [10]

4x { }^{2}  + 5 +  \frac{27}{x + 5}
3 0
4 years ago
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