Please help me solve these.

Mathematics

1 answer:

ale4655 [162]3 years ago

5 0

Oh gosh i wish i knew how to do that what grade are u in cause i remember having that last year but dont remember.

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Please I need some answers

tatuchka [14]

Square root of 256 is 16
Square root of 625 is 25
Square root of 121 is 11

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4 years ago

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It is 2.1 kilometers from Yoko's house to the nearest mailbox. How far is it in meters?

Galina-37 [17]

Answer:

2100 m

Step-by-step explanation:

1 km = 1000 meters

2.1 km = 2100 meters

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4 years ago

What two number multiply to negative 20 and add to 19

OLEGan [10]

$x;\ y-the\ numbers\\\\ \left\{\begin{array}{ccc}xy=-20\\x+y=19&\Rightarrow&x=19-y\end{array}\right\\\\subtitute\ to\ first\ equation:\\\\(19-y)y=-20\\19y-y^2+20=0\\-y^2+19y+20=0\ \ \ |change\ signs\\y^2-19y-20=0\\y^2-20y+y-20=0\\y(y-20)+1(y-20)+0\\(y-20)(y+1)=0\iff y-20=0\ or\ y+1=0\\\\y=20\ or\ y=-1$

$x=19-y\\\\for\ y=20\Rightarrow x=19-20=-1\\\\for\ y=-1\Rightarrow x=19-(-1)=20\\\\Answer:\boxed{\boxed{20\ and\ -1}}$

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4 years ago

I need help in this question please !

Tresset [83]

The answer would be 100/101 if we follow according to the rule on which the sequence is based on!

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3 years ago

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Find the proceeds for the simple discount note.

lutik1710 [3]

Given:
Face Value $15,000
Discount rate 6.5%
Term 70 days

Discount for a simple discount note:
Discount = Maturity Value * Discount Rate * Term of Note
Discount = 15,000 * 0.065 * 70/360
Discount = 189.58

Proceeds from Simple Discount note:
Proceeds = Maturity Value - Discount
Proceeds = 15,000 - 189.58
Proceeds = 14,810.42

The proceeds for the simple discount note is $14,810.42. Choice C.

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3 years ago

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