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3 years ago

What does 5.9E4 mean?

Mathematics

2 answers:

morpeh [17]3 years ago

7 0

Answer:IDK

Step-by-step explanation:

this is to hard

Citrus2011 [14]3 years ago

6 0

Answer:

59,000

Step-by-step explanation:

That is scientific notation, as used in a calculator, for example, to mean

5.9 * 10^4

5.9 * 10^4 = 5.9 * 10,000 = 59,000

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X^2 - y^2 = 100

luda_lava [24]

Answer:

Step-by-step explanation:

Let's start by rewriting the second equation in terms of "x":

$x+y=5$

Subtract y from both sides:

$x=5-y$

Now, substitute "5-y" for "x" in the first equation:

$(5-y)^2-y^2=100$

Note that:

$(a-b)^2=a^2-2ab+b^2$

$25-10y+y^2-y^2=100$

Cancel out like terms:

$25-10y=100$

Subtract 25 from both sides:

$-10y=75$

Divide both sides by -10

$y=\frac{75}{-10}=\frac{15}{-2}=-\frac{15}{2}$

Now, substitute this value back into either of the equations to solve for x.

$x+y=5\\x-\frac{15}{2}=5\\$

Add 15/2 to both sides:

$x=5+\frac{15}{2}\\x=\frac{10}{2}+\frac{15}{2}\\x=\frac{25}{2}$

Now, find the difference:

$x-y=\frac{25}{2}-(-\frac{15}{2})=\frac{25}{2}+\frac{15}{2}=\frac{40}{2}=20$

8 0

2 years ago

What are the terms in this expression 3+4x5

irakobra [83]

You have zero terms in that equation. A term is when a number is connected to a variable. You have no variables.
~Silver

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3 years ago

Is 8.92 bigger or 89.2

artcher [175]

Answer:

89.2 is bigger

Step-by-step explanation:

7 0

3 years ago

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Drag the slider to 2 inches. How many centimeters are in 2 inches? There are centimeters in 2 inches.

choli [55]

Answer: 5

Step-by-step explanation: There are 2.5 cm per in, so its just 2.5*2

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3 years ago

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Round each number to the nearest tenth.

AleksandrR [38]

$26.73\approx23.7\\
 89.42\approx89.4$

7 0

3 years ago