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Lubov Fominskaja [6]
3 years ago
8

How do you divide scientific notation problems like this: 0.00053 ÷ 29?

Mathematics
1 answer:
Shtirlitz [24]3 years ago
5 0
You got to remember
\frac{x^m}{x^n}=x^{m+n}

first write them in scienfitic notation
0.00053=5.3*10^{-4}
29=2.9*10^1


so
\frac{0.00053}{29}=
\frac{(5.3)(10^{-4})}{(2.9)(10^1)}=
(\frac{5.3}{2.9})(\frac{10^{-4}}{10^1}=
(1.8275862068965517241379310344828)(10^{-4-1})=
(1.8275862068965517241379310344828)(10^{-5})=
1.8275862068965517241379310344828*10^{-5}

that's the answer
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Calculate the area of quadrilateral ABCD.<br> State the units of your answer.
cluponka [151]

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158.76 cm²

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Δ ABD with b = 18 and h = 7.5

A = \frac{1}{2} × 18 × 7.5 = 9 × 7.5 = 67.5 cm²

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A = \frac{1}{2} × 15.6 × 11.7 = 7.8 × 11.7 = 91.26 cm²

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area of ABCD = 67.5 + 91.26 = 158.76 cm²

3 0
3 years ago
A water pipe under Buckingham Palace is 59 m long. A water pipe under the White House is 36 m long. What is the difference in th
RUDIKE [14]
59m - 36m = 23m 

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7 0
3 years ago
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y

=

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x

−

1

Explanation:

First, we need to determine the slope of the line. The formula for determining the slope of a line is:

m

=

y

2

−

y

1

x

2

−

x

1

where

m

is the slope and the x and y terms are for the points:

(

x

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y

1

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and

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x

2

,

y

2

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m

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0

m

=

3

+

1

2

m

=

4

2

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=

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The point slope formula is:

y

−

y

1

=

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(

x

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x

1

)

Substituting one of our points gives:

y

−

−

1

=

2

(

x

−

0

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y

+

1

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2

x

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to put this in standard form gives:

y

+

1

−

1

=

2

x

−

1

y

+

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=

2

x

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1

y

=

2

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1

Answer linky

=

2

x

−

1

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First, we need to determine the slope of the line. The formula for determining the slope of a line is:

m

=

y

2

−

y

1

x

2

−

x

1

where

m

is the slope and the x and y terms are for the points:

(

x

1

,

y

1

)

and

(

x

2

,

y

2

)

For this problem the slope is:

m

=

3

−

−

1

2

−

0

m

=

3

+

1

2

m

=

4

2

m

=

2

Now, selecting one of the points we can use the point slope formula to find the equation.

The point slope formula is:

y

−

y

1

=

m

(

x

−

x

1

)

Substituting one of our points gives:

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−

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=

2

(

x

−

0

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y

+

1

=

2

x

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to put this in standard form gives:

y

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4 0
2 years ago
What's 95/300 in simplest form?
Nonamiya [84]
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95 divided by 5 is 19
300 divided by 5 is 60
19/60 can't be divided any further so that is the answer
7 0
3 years ago
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