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3 years ago

How do I do this in Standard form

Mathematics

2 answers:

jasenka [17]3 years ago

5 0

The equation is already in Standard Form.

$A_{x} + B_{y} = C$

Nookie1986 [14]3 years ago

4 0

The standard form of a linear equation is ax+by=c
2x+3y=24 is already in standard form.

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A scientist has 100 milligrams of a radioactive element. The amount of radioactive element remaining after t days can be determi

grandymaker [24]

The mass of the first shipment at time t is
$m_{1}=100( \frac{1}{2} )^{ \frac{t}{10}}$

The mass of the second shipment at time t is
$m_{2}=100( \frac{1}{2} )^{ \frac{t-3}{10} }$

At time t, the ratio of m₁ to m₂ is
$\frac{m_{1}}{m_{2}} = \frac{100}{100}. \frac{(1/2)^{t/10}}{(1/2)^{(t-3)/10}} \\ = \frac{(1/2)^{t/10}}{(1/2)^{t/10}}. \frac{1}{(1/2)^{-3/10}} \\ = (1/2)^{3/10} \\ = 0.8123$

Therefore as a percentage,
$\frac{m_{1}}{m_{2}} =100*0.8123 = 81.23 \%$

Answer: B. 81.2%

4 0

3 years ago

( PLEASE HELP )Use the table to write a proportion .

Margaret [11]

8/6 and then m/16 is the correct answer

7 0

3 years ago

The school store sells erasers for $0.35 each and pencils for $0.15 each. Anthony spent $2.80 to buy a total of 12 erasers and p

Sergio039 [100]

Answer:

5 erasers.

Step-by-step explanation:

0.35e + 0.15p = 2.80

e + p = 12

e = 12 - p

0.35(12 - p) + 0.15p = 2.80

4.2 - 0.35p + 0.15p = 2.80

4.2 - 0.2p = 2.80

-0.2p = -1.4

-0.2p/-0.2p = -1.4/-0.2

p = 7

e = 12 - 7

e = 5

4 0

2 years ago

Use powers to rewrite these problems: Example: 5 x 5 = 52

jeyben [28]

Answer:

Problem A

5 * 5 * x * x * x

$5^2*x^3$

Problem B

8 * 8 * 8

$8^3$

Problem C

4 * 4 * 4 * x * x * x * x

$4^3*x^4$

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3 years ago

What is the height of 4 1/2 and 18 cubic in.

Sav [38]

If your question is asking for the height of the 3D figure when the volume is 18 cubic in. and its dimensions are 4 in., and 1/2 in., the height is 9 inches.

3 0

3 years ago

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