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notsponge [240]
3 years ago
5

6th grade math !!!!!!!!!!!!!!!!

Mathematics
2 answers:
dsp733 years ago
5 0

Answer:

4th one

Step-by-step explanation:

valentina_108 [34]3 years ago
4 0

Answer:

d

Step-by-step explanation:

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10. The perimeter of a rectangle is 96m. Its length is double its breadth. Find its length and breadth.
julia-pushkina [17]

Answer:

breadth=16cm and length=32cm

Let breadth be X

According to question,

lengtg=2X

Now,

Perimeter=2(l+b)

or,96=2(2X+X)

or,96=2(3X)

or,96=6X

or,96/6=X

or,X=16cm.

length =32 cm and breadth =16 cm

7 0
3 years ago
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Use the point-slope form of a line to write the equation of a line that has a slope of 2 and passes through the point (–4, 3). W
Y_Kistochka [10]

Slope-intercept form: y = mx + b

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y - 3 = 2x + 8

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Slope-intercept form: y = 2x + 11

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X= -2, x=6
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3 years ago
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117. Sami opens an account and deposits $100 into it at the end of each month. The account earns 2% per year compounded monthly.
Sergio [31]

Answer:

The explicit function is:

S_{n} =Pz^{n-1} +C(\frac{z^{n-1}-1}{z-1} )

where

z=(1+\frac{0.02}{12})

and we calculate S12:

S_{12} = $1211.06

Step-by-step explanation:

Expanding a few steps of the compound interest:

S_{1}=100\\S_{2}=S_{1}(1+\frac{0.02}{12})+100\\S_{3}=S_{2}(1+\frac{0.02}{12})+100\\...\\S_{n}=S_{n-1}(1+\frac{0.02}{12})+100

We can write:

(1+\frac{0.02}{12})=z

100=C for deposits

Then, expanding the previous equations would yield:

S_{1}=C\\S_{2}=Cz + C\\S_{3}=Cz^{2}+Cz + C\\S_{n}=Cz^{n-1} +...+Cz+C

This is a geometric series form, which can be simplified to:

S_{n}=C(\frac{z^{n}-1}{z-1} )

plugin in the values for the 12 month gives:

S_{12}=100(\frac{(1+\frac{0.02}{12})^{12} -1}{\frac{0.02}{12}})=1211.0613

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3 years ago
Calculate 8.694 times 10 to the power of 2 ( standard form) plz helpppp
qaws [65]

Answer:sheep

Step-by-step explanation:

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3 years ago
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