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ValentinkaMS [17]

2 years ago

13

I am a parent, i am trying to put together some math notes for my son. He is allowed to use them for the unit 2 math test for 6t

h grade

1 answer:

yuradex [85]2 years ago

5 0

Ok so what can we at Brainly do for you ?

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The length of Rectangle A is 20 inches and the width is 4 inches. The length of Rectangle B is

astraxan [27]

Answer:

8 inches

Step-by-step explanation:

Let w be the width of rectangle B.

Since, both rectangles are similar.

Therefore, corresponding lengths and widths of rectangles A and B will be in proportion.

$\therefore \frac{20}{40} = \frac{4}{w} \\ \\ \frac{1}{2} = \frac{4}{w} \\ \\ w = 2 \times 4 \\ \\ w = 8 \: inches$

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3 years ago

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The mass of a certain window is 18kg. What is the mass of 5 of those windows?

Daniel [21]

18 kg times 5 kg would be 90 kg because each window was 18 kg, hence 90 kg

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2 years ago

If a house is worth $125,000 and depreciates by 7.5% per year, how much is it worth in two

Tju [1.3M]

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18750

Step-by-step explanation:

so since it's 2 years we have to double 7.5 which is 15%. Then we multiply 15 x 125,000 which is 18,750

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2 years ago

What is 4 7/8 + 6 1/4

Svetlanka [38]

Answer:

Step-by-step explanation:69

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2 years ago

What is the surface area of the rectangular prism ? 15in 5in 4in

IgorLugansk [536]

Answer: A=2(wl+hl+hw)

Step-by-step explanation:

W=15 L=5 H=4

A= 2((15*5)+(4*5)+(4*15))

A= 310

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2 years ago