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3 years ago

Create an equation in one variable with at least 4 operations.

Mathematics

1 answer:

Anni [7]3 years ago

8 0

Answer:

3+7-x/9

Step-by-step explanation:

Just add them all up

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(2.5×10−8)(9×10−10)<br><br> Express your answer in scientific notation.

Lunna [17]

Answer: 2.25x $10^{-17}$

Scientific notation is used in science because the number can be vary from so much that using decimal is making it hard. The number expressed in $10^{x}$ form. Both number in the question is already in scientific notation. Then to multiply the number and keep it at scienfitic notation the calculation should be:

2.5 x $10^{-8}$ x 9 x $10^{-10}$ = 22.5 x $10^{-18}$ = 2.25x $10^{-17}$

6 0

3 years ago

Read 2 more answers

These questions get to me all they time I need help someone.

ratelena [41]

For angle one do 180-74 then divide by two and it will give you the angle for angle one and for angle two you just add the angle given and angle one then subtract by 180

3 0

4 years ago

X squared divided by -10 =2<br> what is

lesya [120]

Hey there!

The answer to your question is ± 12

To solve the equation x²/-10 = 2, first multiply 10 to both sides:

x² = 20

Then, take the square root from both sides:

x = ± 20

4 0

3 years ago

The expression x+3/2x-8 is undefined when x=____?

OLga [1]

3.66666666666667 thats what i get

4 0

4 years ago

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What is the sum of angles JMK and KML?

Anton [14]

Answer:

the sum of angles JMK and KML is

( 160 + 90)°

= 252°

Hope it helps :)

Step-by-step explanation:

5 0

3 years ago