2 years ago

What is standard form

Mathematics

2 answers:

nataly862011 [7]2 years ago

7 0

Example 250

word form:
two hundred and fifty

expanded form:
2+5+0

standard form:
250

Marysya12 [62]2 years ago

7 0

f(x)=a (x+b/2a)2^+f(-b/2a)

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Complex numbers zj and zz are given by zj = 3- j2, zz = - 4 + j3. (a) express zj and zz in polar form. (b) find lz1l by first ap

inna [77]

Solution:

Given: zj = 3- j2, zz = - 4 + j3

Part a:

zj = 3- j2 = $3.6e^{-j33.7^{\circ}}$

zz = - 4 + j3 = $5e^{j143.1^{\circ}}$

Part b:

|zj| = |3− j2| = √3² +(−2)² = √13 = 3.60

|z1| = √(3− j2)(3+ j2) = √ 13 = 3.60.

Part c:

With the help of part a:

z1z2 = $3.6e^{-j33.7^{\circ}}.5e^{j143.1^{\circ}}$

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2 years ago

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A is the best answer…

Work:

-10x-(-4y) will equal -10x+4y the minus minus will cancel out

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2 years ago

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Joe’s balance in his checking account at the beginning of the month was $132. At the end of the month, it was 15.3% higher. What

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The answer would be $152.20 because 132*1.153=152.196, rounded to $152.20.

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2 years ago

3 - 8 + (-9) ÷ 3 x 4

nlexa [21]

Answer:

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Step-by-step explanation:

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2 years ago

Please help it’s geometry

murzikaleks [220]

Answer:

x = -4

Step-by-step explanation:

EM = 5x

ET is half of EM so this statement is true: 5x = 2(3x + 2)

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2 years ago