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2 years ago

A rectangle desktop has a length of 3(x+2) units and a width of (x-7). Write an expression for the area

Mathematics

1 answer:

yanalaym [24]2 years ago

5 0

Answer:

Expression for area = 3x² - 15x - 42

Step-by-step explanation:

Given that:

Length of rectangle desktop = 3(x+2) = 3x+6 units

Width of rectangle desktop = x - 7

Area of rectangle desktop = Length * Width

Area of desktop = (3x+6)(x-7)

Area = 3x(x-7) +6(x-7)

Area = 3x² - 21x + 6x - 42

Area = 3x² - 15x - 42

Hence,

Expression for area = 3x² - 15x - 42

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Kryger [21]

Answer:

150 in²

Step-by-step explanation:

5 x 5 x 6 = 150

surface area of cube is 6 times (6 congruent faces) of one face. 5 x 5 = 25

25 x 6 = 150

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3 years ago

Need the answers to 38-41

Volgvan

38. 8•4 =32cm^2
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2 years ago

Pls find 5he area of each rectangle thxs

horsena [70]

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3 years ago

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50% of 30, hurry <3 its saying my question is too short so ignore what im saying rn

9966 [12]

Answer:

The answer is 15

Step-by-step explanation:

50% of 30

30 × 50 ÷ 100 = 1500/100 = 15

Thus, The answer is 15

-TheUnknownScientist 72

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2 years ago

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H(x)=(x^2)+1 and K(x)=-(x^2)+4. If K(H)=0, what are the roots/solutions?

zubka84 [21]

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3 years ago