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Natalija [7]
3 years ago
6

PLease help me! Due tonight thank you!

Mathematics
2 answers:
NARA [144]3 years ago
8 0

Answer:

1432.08 centimeters^2 I think

Step-by-step explanation:

Surface Area = 2×(3.4×18 + 3.4×30.6 + 18×30.6) = 1432.08 centimeters2

arlik [135]3 years ago
5 0
I also think the answer is wjat the dude said above me
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(2p + 7)(3p-9)
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6p^2 - 18p + 21p - 63
6p^2 + 3p -63 is the answer.

6 0
4 years ago
Read 2 more answers
Subtract 7x^2−5xy+8y2 from −2x^2−15xy+9y^2
Digiron [165]

Answer

Subtract 7x^2 -5xy+8y^2 from -2x^2 -15xy+9y^2

then;

-2x^2 -15xy+9y^2 - (7x^2 -5xy+8y^2)

Remove the bracket we have;

-2x^2 -15xy+9y^2 - 7x^2 + 5xy - 8y^2

Like terms are those terms which have same variable to the same power.

Combine like terms;

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Therefore, Subtracting 7x^2 -5xy+8y^2 from -2x^2 -15xy+9y^2 we get -9x^2 -10xy+y^2

7 0
3 years ago
The midpoint of chord AB is ( , ), and the slope of chord AB is
kykrilka [37]

Answer:

See solution below

Step-by-step explanation:

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X = 1+2/2

X = 3/2

X = 1.5

Y = y1+y2/2

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Y = 4/2

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Hence the required midpoint (X, Y) is (1.5, 2)

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m = 4-0/2-1

m = 4/1

m = 4

Hence the slope is 4

<em>Note that the coordinates are assumed but the same calculation can be employed for any other coordinates</em>

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3 years ago
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murzikaleks [220]

Answer:

I can't understand so don't worry

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2 years ago
Mr. K's math class is 14 hours long. After working problems on the board for 45 minutes (hour), he gave the students the rest of
lutik1710 [3]
If this question is typed correctly then the answer would be 13 hours and 15 minutes
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2 years ago
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