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9966 [12]
3 years ago
11

Simplify. please and thank you

Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0

Answer:

( - 2) {}^{ - 3 }  \\  ( \frac{1}{ { - 2}^{3} }) \\ \frac{1}{ - 2 \times  - 2 \times  - 2 }  \\  \frac{1}{4 \times  - 2}  \\  \frac{1}{ - 8}

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solniwko [45]

Answer:

3)Quadratic

Step-by-step explanation:

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3 years ago
the combined area of two squares is 45 square centimetres each side is twice as long as a side of the other square what length o
Ostrovityanka [42]

Answer:

Let the side of  one square be x.    Area = x*x = x²

Then the side of other square  would be 2x ,   Area = 2x*2x = 4x²

Combined area = x² + 4x²  = 5x²

This combined area = 45 cm²

you simplify

Therefore  5x²  = 45   Divide both sides by 5

                 x²  =  45/5

                 x²  = 9        Take square root of both sides

                 x   =  √9

                 x  = 3

Length of larger square is 2x  = 2*3 = 6 cm

Length of larger square = 6cm

Step-by-step explanation:

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3 years ago
Cindy's job is to check computer printers for defects. Out of 420 printers she has to check, only 3 of the first 84 have been de
kaheart [24]
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5 0
4 years ago
When multiplying numbers in scientific notation you blank the coefficients and substract the exponents?
34kurt
For the sake of example, let's multiply the two numbers 2.3 \times 10^5 and 3.5 \times 10^7 together. Altogether, we have:

2.3\times10^5\times3.5\times10^7

Rearranging the expression, we can group the exponents and coefficients together:

2.3\times3.5\times10^5\times10^7

Multiplying each out, we notice that since 10^5 and 10^7 have the same base (10), multiplying them has the effect of adding their exponents, which leaves us with:

2.3\times3.5\times10^{5+7}=8.05\times10^{12}

The takeaway here is that multiplying two numbers in scientific notation together has the effect of multiplying its coefficients and <em>adding</em> its exponents.
8 0
4 years ago
Is the following shape a triangle? How do you know
Arte-miy333 [17]

Answer:

Depends

Step-by-step explanation:

All triangles have 3 sides no more no less Hope this helps

7 0
3 years ago
Read 2 more answers
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