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3 years ago

PLEASE HELP ME IM URGENT I NEED ANSWERS NOW !!!!

Mathematics

1 answer:

Neporo4naja [7]3 years ago

3 0

9 would be the right answer for you second pic

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the washer is made from a disk of metal that has a mass of 41.7 g. A hole is stamped in the disk and 20.2 g of metal was removed

gtnhenbr [62]

So you would do 41.7g - 20.2g and get 21.5g, then multiply it by 140g. 140g x 21.5g = 3010g

5 0

3 years ago

1. Change each of the following equations to the form

Evgen [1.6K]

Answer:

(a) -6x- y = 3

$6x + y = -3\\ y = -6x -3$

(b) 3x-4y =12

$3x - 4y = 12\\-4y = -3x +12\\4y = 3x -12\\\\y = \frac{3}{4}x -3$

(c)-2x + 5y = 10

$-2x + 5y = 10\\5y = 2x + 10\\y = \frac{2}{5}x + 2$

(d) x + 2y = 4

$x+2y=4\\2y = -x + 4\\y = \frac{-1}{2} x +2$

(e) 8x- 4y = 3

$8x - 4y =3\\-4y = -8x + 3\\4y = 8x -3\\y = 2x -\frac{3}{4}$

(f) 4x + 5y = -6

$4x + 5y = -6\\5y = -4x - 6\\y = \frac{-4}{5} x -\frac{6}{5}$

5 0

3 years ago

Please help there are a few more pages

IRISSAK [1]

I. about 70 m; ii. 8 s; iii. because the line is straight and and going up at a constant rate; I hope I helped with the first three questions:)

5 0

4 years ago

What inequality is represented by this graph? 1 2 3 s 8 i å 6 7 8 9 X36 X x28

riadik2000 [5.3K]

Answer:

$x < 6$

Step-by-step explanation:

Given

The attached plot

Required

The inequality

The arrow points starts at 6 and points left.

This means that:

$x < 6$ or $x \le 6$

The open circle on 6 implies that the inequality is either or $>$

Hence, $x \le 6$ is invalid

So, the inequality is: $x < 6$

4 0

3 years ago

Simplify 3√125. Thanks!

ivann1987 [24]

If you mean
3 times square root of 125 then go to AAA
if you mean ∛125 then go to BBBB

AAAAAA
3 times √125=3 times 5√5=15√5

BBBBBBB
∛125=5 or -5

5 0

4 years ago

Read 2 more answers