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2 years ago

Simplify 3( j+2 ) - 2

2 answers:

7 0

Distribute 3 to j+2 = 3j+6
Then calculate the whole number
3j+6-2
6-2 = 4
3j+4 is the final answer because 3 belongs to j and 4 doesn’t have any letter.

Scorpion4ik [409]2 years ago

3 0

Answer: 3j +4

3(j)+ 3(2) = 3j+ 6 - 2 = 3j +4

Hope this helps

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Please help, seriously confused

Rufina [12.5K]

Original height = original width = x mm

1. She made an enlarged copy...
height = 2x
width = 2x

2. She cut off a rectangle...
height = 2x
width = $\frac{2}{3} *2x= \frac{4}{3}x$

3.She doubled the width...
height = 2x
width = $2*\frac{4}{3}x = \frac{8}{3}x$

height * width = area

$2x * \frac{8}{3}x=139 \ 968 \\ \\ \frac{16}{3}x^2= 139 \ 968 \\\\ x^2=139 \ 968: \frac{16}{3}=139 \ 968 * \frac{3}{16}= 8 \ 748*3 = 26 \ 244 \\ \\ x= \sqrt{26 \ 244} = 162 \ mm$

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3 years ago

What is an equation of the line that passes through the point (−3,−1) and is perpendicular to the line x-2y=6?

gogolik [260]

Answer:

y = 2x+5

Step-by-step explanation:

rearrange the equation to make y the sof

y = 1/2x - 3

to find gradient of perpendicular line

1/2 ÷ ( - 1 )

y = -2x + c , the replace the coordinates (-3,-1)

y = 2x + 5

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2 years ago

Rewrite the following polynomial in standard form.<br> -x^2-10+x^3

ELEN [110]

Answer:

Step-by-step explanation:

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castortr0y [4]

Answer:

Its an Arithmetic progression

Step-by-step explanation:

d1= -18-(-25)= 7

d2= -11-(-18)= 7

d1 = d2

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r1 isnt = r2

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Please help asap 45 pts

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$B\ f(x)\leq x^2-x-1$

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2 years ago