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3 years ago

(15 POINTS)

Mathematics

1 answer:

bonufazy [111]3 years ago

8 0

Answer:

0.6x = 87

Step-by-step explanation:

Hi, to answer this question we have to write en equation:

We have to multiply the variable x by the percentage given (60%) in decimal form (divided by 100). That expression must be equal to 87.

Mathematically speaking:

x (60/100) = 87

0.6x = 87

Feel free to ask for more if needed or if you did not understand something.

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A lamp was marked up 100% from an original purchase cost of $30. Yesterday, Suzie sold the lamp, earning a 20% commission on the

xz_007 [3.2K]

100% markup means the price is double what it was bought for, $30. 30x2=60 dollar sale price. A 20% commision would be $12. 60 x 0.2=12

8 0

3 years ago

Given AB=10cm, CD=11cm, and AD=39cm, find the length of BC

liraira [26]

Answer:

BC = 18 cm

Step-by-step explanation:

As we can see from the diagram:

AB + BC + CD = AD

⇒ 10 cm + BC + 11 cm = 39 cm

⇒ BC + 21 cm = 39 cm

⇒ BC = 39 cm - 21 cm

⇒ BC = 18 cm

7 0

2 years ago

Apply the distributive property to create an equivalent expression. 2(3 - 8y ) =

Citrus2011 [14]

-16y + 6 would be the answer

5 0

2 years ago

Read 2 more answers

Find the area of the shaded figure. To do so, subtract the area of the smaller

Vikentia [17]

Answer:

x⁴ - 8x² + 9

Step-by-step explanation:

The Area of the smallest square is A1 = x . x = x²

The Area of the second square is A2 = ( x² - 3 )(x² - 3)

A2 = x⁴ - 3x² - 3x² + 9

A2 = x⁴ - 6x² + 9

The Area of the Shaded shape is A2 - A1

x⁴ - 6x² + 9 - x²

x⁴ - 8x² + 9

3 0

2 years ago

Could you help me with this

igor_vitrenko [27]

I would say the 3rd option because it’s showing the enthusiasm in their voices by adding the exclamation mark

3 0

2 years ago

(**15 POINTS**)

(15 POINTS)