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Nat2105 [25]
3 years ago
15

Which of the following is a solution of x + -3.4>17/68?

Mathematics
1 answer:
natulia [17]3 years ago
8 0
<h3>Answer:  D) 4.25</h3>

====================================

Work Shown:

x - 3.4 > 17/68

x - 3.4 > 0.25

x - 3.4 + 3.4 > 0.25 + 3.4 .... add 3.4 to both sides

x > 3.65

Any number larger than 3.65 will work in place of x

Choice A does not work since 3.4 is not larger than 3.65

Choice B and choice C is the same story as well since 21/68 = 0.3088 approximately

Only choice D is larger than 3.65

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exis [7]
I think a rectangular prism.

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Mike argues the following side lengths can make a triangle. Sam says he is incorrect. Who is correct and why? 3m, 5m, 10m
victus00 [196]

Answer:

Sam is correct

Step-by-step explanation:

The third side is the one with greatest length. To make a triangle the other two lengths have to be greater than the greatest one when combined.

Hope this Helps.

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2 years ago
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two blocks of wood are shaped as right rectangular prism the smaller block has a length of 9 cm and a width of 3 cm and a height
AlexFokin [52]

Answer:

1512 cm³

Step-by-step explanation:

Formula

Volume of right rectangular prism = Length × Breadth × Height

As given

Two blocks of wood are shaped as right rectangular prisms.

The smaller block has a length of 9 cm, a width of 3 cm, and a height of 7 cm.

As given

The dimensions of the larger block are double the dimensions of the smaller block.

Length of the larger block = 2 × Length of the smaller block

                                           = 2 × 9

                                           = 18 cm

Breadth of the larger block = 2 × Breadth of the smaller block

                                           = 2 × 3

                                           = 6 cm

Height of the larger block = 2 × Height of the smaller block

                                           = 2 × 7

                                           = 14 cm

Put in the formula

Volume of larger wooden block = 18 × 6 × 14

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Therefore the volume of the wooden block is 1512 cm³ .

7 0
3 years ago
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vlada-n [284]

Answer:

y = 1/3x + 4 1/3

Step-by-step explanation:

2x - 6y = 12

First find the slope

Solve for y

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-6y = -2x+12

Divide by -6

-6y/-6 =-2x/-6 +12/-6

y = 1/3 x -2

The slope is 1/3

Parallel lines have the same slope

Using the slope intercept form y = mx+b where m is the slope and b is the y intercept

y = 1/3x +b

And substituting in the point

4 = 1/3 (-1) +b

4 = -1/3 +b

Add 1/3 to each side

4 + 1/3 = b

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so every hour it droped 2 degrees and it did this for eight hours you could times 2 by 8 and get 16 then minus it from 72

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