2 years ago

If 4x= 18, what is the value of 4(x-2)

Mathematics

2 answers:

barxatty [35]2 years ago

7 0

Answer:

the value for 4(x-2) is 4x-8

multiply 4 and 2= 8

leave 4x so 4x-8

drek231 [11]2 years ago

3 0

Answer:

Step-by-step explanation:

4x=18

(4x)/4=18/4

x=4.5

4(4.5-2)

4(2.5)

=10

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AlekseyPX

Answer:

its d

Step-by-step explanation:

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2 years ago

Find the slope of the line between (1,5) and (3,9)

8_murik_8 [283]

Answer:

Step-by-step explanation: Use the two points that are given to you and substitute them into the slope formula to find the answer.

m=y2-y1/x2-x1

m=9-5/3-1

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2 years ago

Read 2 more answers

Use Newton's method with initial approximation x1 = −2 to find x2, the second approximation to the root of the equation x3 + x +

nevsk [136]

Answer:

$x_2 \approx -1.769$

Step-by-step explanation:

Let $f(x)=x^3+x+7$

So $f'(x)=3x^2+1$

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Let $x_1=-2$

We are going to find $x_2$

So we are evaluating $-2-\frac{f(-2)}{f'(-2)}$

First step find f(-2)

Second step find f'(-2)

Third step plug in those values and apply PEMDAS!

$f(-2)=(-2)^3+(-2)+7=-8-2+7=-10+7=-3$

$f'(-2)=3(-2)^2+1=3(4)+1=12+1=13$

$x_2=-2-\frac{-3}{13} \\\\ x_2=\frac{-26+3}{13} \\\\ x_2=\frac{-23}{13} \\\\ x_2 \approx -1.769$

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3 years ago

One kilogram of cheese costs £6.60 how much would 200g cost?

Helga [31]

Answer:

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Step-by-step explanation:

if 1kg of chees cost 6.60 100g cost 0.0660 So if 0.0660 multiplied by 2

= 0.132

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2 years ago