2 years ago

All things algebra unit 7 homework 6 questions 7 and 8

Mathematics

1 answer:

maxonik [38]2 years ago

6 0

3/3 the answer but i have to ask a question so please give this a good rating or something

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When i was 18 years old, my sister was half my age. Now I am 82 years. How old is my sister now?

iVinArrow [24]

Answer:

$41 \: \: \: years \: \: \: old$

Step-by-step explanation:

$me \: \: \: \: \: \: \: \: \: \: \: sis \\ 18 \: \: \: \: \: \: \: \: \: \: \: \: 9 \\ 82 \: \: \: \: \: \: \: \: \: \: \: x \\ \\ use \: \: cross \: \\ multipaction \\ \\ 18x = 82 \times 9 \\ 18x = 738 \\ \frac{18x}{18} = \frac{738}{18} \\ x = 41$

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2 years ago

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A box is x to inches high,(2x+3)inches wide, and (2x+5) of inches long. In terms of x, what is the volume (v) of the box?

Advocard [28]

Answer:

The volume of the box is $V=(4x^3+16x^2+15x)\ in^3$

Step-by-step explanation:

we know that

The volume of the box is equal to

$V=LWH$

where

L is the length of the box in inches

W is the width of the box in inches

H is the height of the box in inches

we have

$L=(2x+5)\ in\\W=(2x+3)\ in\\H=x\ in$

substitute in the formula

$V=(2x+5)(2x+3)x$

$V=(4x^2+6x+10x+15)(x)$

$V=(4x^2+16x+15)(x)$

$V=(4x^3+16x^2+15x)\ in^3$

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2 years ago

Type the correct answer in each box. If necessary, use / for the fraction bar(s). Mike can stitch 7 shirts in 42 hours. He can s

Arada [10]

Answer:

1 shirt for every 6 hours

Step-by-step explanation:

42/7=6

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2 years ago

Consider the following algorithm.. for. i is in {1, 2, 3, 4} do. beep. for j is in {1, 2, 3} do. beep. for k is in {1, 2, 3, 4}

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Nataly_w [17]

Right triangle and an equilateral triangle

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2 years ago

All things algebra unit 7 homework 6 questions 7 and 8​

All things algebra unit 7 homework 6 questions 7 and 8