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3 years ago

2 1/8 of 450 with solution

Mathematics

2 answers:

nika2105 [10]3 years ago

5 0

Answer:

Step-by-step explanation:

hello :

450×21/8=1181,25

Neko [114]3 years ago

5 0

Answer:

Step-by-step explanation:

2 1/8 of 450

= 17/8 × 450

= 956.25

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X²+x-6=0 hãy tìm giá trị của x trong câu trên

Gennadij [26K]

Tìm giá trị của x :

${x}^{2} + x - 6 = 0$

$x {}^{2} + 3x - 2x - 6 = 0$

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

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

Bây giờ, có hai trường hợp :

Trường hợp 1. khi nào x + 3 = 0

x = -3

Trường hợp 2. khi nào x - 2 = 0

x = 2

Tôi hy vọng nó đã giúp !

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2 years ago

I need help ;-;

professor190 [17]

Answer:

opinion

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3 years ago

Read 2 more answers

An ice cream cone costs $3

natka813 [3]

Answer:

3*(1.06)=3.18

so,

24/(3.18)=7.57

You can't have half an ice cream cone ( i wish we could though :( ) , you can only get 7

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4 years ago

Use the four-step process to find f'(x) and then find f'(1), f'(2), and f'(3).

Soloha48 [4]

Step 1: evaluate f(x+h) and f(x)

We have

$f(x+h) = -(x+h)^2+6(x+h)-5 = -(x^2+2xh+h^2)+6x+6h-5$

$= -x^2-2xh-h^2+6x+6h-5$

And, of course,

$f(x)=-x^2+6x-5$

Step 2: evaluate f(x+h)-f(x)

$f(x+h)-f(x)=-x^2-2xh-h^2+6x+6h-5-(-x^2+6x-5)=-2xh-h^2+6h$

Step 3: evaluate (f(x+h)-f(x))/h

$\dfrac{f(x+h)-f(x)}{h}=-2x-h+6$

Step 4: evaluate the limit of step 3 as h->0

$f'(x) = \displaystyle \lim_{h\to 0} \dfrac{f(x+h)-f(x)}{h}=-2x+6$

So, we have

$f'(1) = -2\cdot 1+6 = 4,\quad f'(2) = -2\cdot 2+6 = 2,\quad f'(3) = -2\cdot 3+6 = 0$

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3 years ago

Find the area of the square in inches^2 and enter your answer below. Do not

pogonyaev

Answer:

10.24

Step-by-step explanation:

Area of a circle=sides²

Area of a circle=(3.2)²=3.2(3.2)=10.24

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3 years ago