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3 years ago

Use scientific notation to rewrite the number:

Mathematics

2 answers:

wel3 years ago

8 0

Answer:

a. 2.603*10^-4

b. 538

Step-by-step explanation:

slavikrds [6]3 years ago

3 0

A. 2.603*10^-4
b. 538

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Are the expressions -0.5(3x + 5) and<br> -1.5x + 2.5 equivalent? Explain why or why not.

Sedbober [7]

Answer:

No, because the first equation equals -1.5x + 2.5 when simplified, but when the second equation is simplified it equals 1

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3 years ago

4x+12=−2x<br><br> i need help my stoopid math teacher is mean...

ehidna [41]

Answer:

-2=x

Step-by-step explanation:

4x+12=-2x

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3 years ago

Which statement is best represented by the inequality t less-than negative 15?

Tems11 [23]

Answer:

The first one

Step-by-step explanation:

Today’s temperature was less than Negative 15 degrees Fahrenheit.

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3 years ago

Read 2 more answers

the volume V of a gas at a constant temperature varies inversely with the pressure P. when the volume is 100 cubic inches the pr

fiasKO [112]

Answer:

The pressure is $20\ psi$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

In this problem we have

$V*P=k$

where

V is the volume of a gas at a constant temperature

P is the pressure

we have

For $V=100\ in^{3}$ , $P=25\ psi$

step 1

Find the value of k

substitute the values of V and P

$100*25=k$

$k=2,500$

The equation is equal to $V*P=2,500$

step 2

Find the pressure when the volume is 125 cubic inches

For $V=125\ in^{3}$

substitute in the equation and solve for P

$125*P=2,500$

$P=2,500/125=20\ psi$

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3 years ago

A full moon occurs about every 30 days . If the last full moon occurred on a Friday, how many days will pass before a full moon

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3 years ago