3 years ago

Which expression has a negative value? a. x + y b. x - y c. x . y d. x/y

Mathematics

1 answer:

irinina [24]3 years ago

6 0

I need points sorryyy disks jaja

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26-4=12+ missing number

saw5 [17]

22-12=10

so this missing answer after the + is 10

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3 years ago

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Im begging someone help me please

Tems11 [23]

Answer:

c. a: 4

b: 12

c: 9

4x² +12x+9=0

(2x+3)(2x+3)= 0

(2x+3)²=0 {square root both sides}

2x+3=0

2x=-3

x= -3/2

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3 years ago

Convert the polar representation of this complex number into its standard form z=4(cos150+isin150).

Katen [24]

Answer:

Step-by-step explanation:

Using the exact values

cos150° = - cos30° = - $\frac{\sqrt{3} }{2}$

sin150° = sin30° = $\frac{1}{2}$

Given

z = 4(cos150° + isin150° ) , substitute values

= 4(- $\frac{\sqrt{3} }{2}$ + $\frac{1}{2}$ i )

= - 2 $\sqrt{3}$ + 2i , that is

(- 2 $\sqrt{3}$ , 2 ) → B

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3 years ago

An account earns simple interest.<br> $1675 at 4.6% for 4 years

Paul [167]

Answer:

$308.20

Step-by-step explanation:

The simple interest formula i = p·r·t applies here:

($1675)(0.046)(4) = $308.20

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3 years ago

A building has a shadow that is 18 feet long. Will is 5 feet tall and he is standing next to the building. Will has a shadow tha

Irina-Kira [14]

5*18=90
3*x=90
X=90/3
X=30

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3 years ago

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