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3 years ago

Practice test

Mathematics

2 answers:

Elan Coil [88]3 years ago

7 0

Answer:

Step-by-step explanation:

mariarad [96]3 years ago

3 0

Answer:

it's a rectangle so the area is 6×8=48

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8 cm<br> 6 cm<br> 2 cm<br> Find the surface area of the rectangular prism.<br> Surface Area = [?]cm²

SashulF [63]

Answer:

152cm²

Step-by-step explanation:

math and stuff and things

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2 years ago

Simplify (7 i) − (6 − 2i). a. −2 b. 1 − i c. 1 3i d. 4

Ksenya-84 [330]

(7 + i) - (6 - 2i) = 7 + i - 6 + 2i = 1 + 3i

5 0

3 years ago

The United States five-dollar bill are 155.956 mm long and 66.294 wide. A stack of these bills fits inside a 156 x 66.3 x 66.3 m

maxonik [38]

Answer:

A) $5 × 25 = $75

B) 37.69%

Step-by-step explanation:

The dimension of five dollar bill:

Length = 155.956mm

Width = 66.294

Volume of box being occupied by 5 dollar bill = 258,473.68mm^3

Dimension of box :

156 x 66.3 x 66.3 mm

If volume of the 5—dollar bill is 258,473.68mm^3

Then, the Thickness of the five dollar stack equals :

Volume = Length × width × height

258,473.68mm^3 = 155.956mm × 66.294 × height

258,473.68 = 10338.947064 × h

h = (258473.68/10338.947064)

h = 25.000000003288 = 25

Therefore, the amount of money in the box is:

$5 × 25 = $75

Percentage of box volume taken up by $5 bill

Volume of the box:

156 x 66.3 x 66.3 mm = 685727.6399mm^3

Volume of box being occupied by 5 dollar bill = 258,473.68mm^3

(258,473.68 / 685727.6399) × 100

=37.69%

4 0

3 years ago

What is the equation for the values in the table

devlian [24]

Step-by-step explanation:

Taking any two points through which the line passes;(-10,-3) and (-5,-1)

The equation of the line is given by

$\frac{y2 - y1}{x2 - x1} = \frac{y - y1}{x - x1}$

$=> \frac{ - 1 - ( - 3)}{ - 5 - ( - 10)} = \frac{y - ( - 3)}{x - ( - 10)} = \frac{y + 3}{x + 10}$

$=> \frac{ - 1 + 3}{ - 5 + 10} = \frac{y + 3}{x + 10}$

$=> \frac{2}{5} = \frac{y + 3}{x + 10}$

$=> 5(y + 3) = 2(x + 10)$

=> 5y+15 = 2x+20

=> 5y =2x+5

$=> y= \frac{2}{5} x + 1$

option C

8 0

3 years ago

Apply the distributive property to find and match the correct answer to the equation.

victus00 [196]

Answer:

x=8

Step-by-step explanation:

apply the distributive property, and youll have no problem finding the answer of x=8.

6 0

3 years ago

Read 2 more answers