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2 years ago

A slice is made perpendicular to the base of a right rectangular prism as shown.

Mathematics

1 answer:

Eduardwww [97]2 years ago

8 0

Answer:

The correct option is 1. The area of cross section area is 48 mm².

Step-by-step explanation:

From the find it is noticed that the cross section is a rectangle with length 4 mm and width is 12 mm.

The area of a rectangle is the product of its dimensions.

$A=l\times w$

Where, l is length of the rectangle and w is width of the rectangle.

The area of cross section is

$A=4\times 12$

$A=48$

Therefore the area of cross section area is 48 mm². Option 1 is correct.

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20 points!!! first answer gets brainliast. Don't need too much explanation thank you!

KengaRu [80]

Answer:

The answer to your question is below

Step-by-step explanation:

2. $\sqrt{-128}$ Just find the prime factors of 128 and simplify

$\sqrt{-2^{7}} = \sqrt{-2^{6} 2} = 2^{3}i \sqrt{2}$

$8i\sqrt{2}$

3.- $\sqrt{-9} + \sqrt{-16}$ Get the square roots and simplify

3i + 4i

4.- None of the choices is equal to one, because the exponents are pair.

5.- 1/3x² + 10 = 7

1/3x² = 7 - 10

1/3x² = -3

x² = -3(3)

x² = -9

x = ±3i

8 0

2 years ago

Josh at has a collection of 1,200 music CDs. He considers 1/6 of his collection rock music. Of the rock music CDs 20 percent by

SpyIntel [72]

Answer:

Step-by-step explanation:

Josh has a collection of 1,200 music CDs. He considers 1/6 of his collection rock music. This means that the number of rock music CDs that he has is

1/6 × 1200 = 200

Of the rock music CDs, 20 percent are by solo artist. This means that the number of CDs by solo artist is

20/100 × 200 = 40

Of the solo artist 2/5 are by female artist. It means that the number done by female solo artists is

2/5 × 40 = 16

5 0

3 years ago

PLZ HELP IF UR 100% SURE !!!

WARRIOR [948]

The answer is d ok dine

7 0

2 years ago

A 1-inch length in the scale drawing below corresponds to a length of 12 feet in the actual room. Describe how the scale or the

ryzh [129]

Answer:

Step-by-step explanation:lol you think I know I hate this app

4 0

2 years ago

40 POINTS

scoray [572]

Answer:

4 red and 3 blue

Step-by-step explanation:

Let red candy weighs r and blue candy weighs b

Total weight is 7 pounds:

r + b = 7

Red costs $1.5 per pound, blue costs $2 per pound and total cost is $12

1.5r + 2b = 12

We have two equations.

Solve by elimination, double the first equation and subtract the second equation from the first:

2r + 2b = 14
1.5r + 2b = 12

Subtract and solve for r:

2r - 1.5r = 14 - 12
0.5r = 2
r = 4

Find b using the first equation:

b = 7 - r
b = 7 - 4 = 3

The answer is:

Mike had 4 pounds of red and 3 pounds of blue candies.

5 0

2 years ago

Read 2 more answers