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3 years ago

What are not a benchmark fraction

Mathematics

1 answer:

kvasek [131]3 years ago

4 0

Answer:

0/4, 0/6 those are examples of non benchmark fractions. 1/2 is a benchmark fraction.

Step-by-step explanation:

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Please Help!!

gavmur [86]

Yes! 8 - 3 is 5
so it is A.
It is not multiplied or divided by one single number so the sequence is arithmetic not geometric
hope this helps!

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3 years ago

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10 is multiplied by the sum of 3 and 2. The product is divided by 2, and then 5 is added in numerical expression

bija089 [108]

30 is your answer to this problem

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Find the length of the other two side of the isosceles right triangle

Valentin [98]

Answer:

The other two sides are 7 units each.

Step-by-step explanation:

The triangle is isosceles.

The sides are in the ratio of

$x : x : x \sqrt{2}$

The hypotenuse is

$7\sqrt{2}=x \sqrt{2}\\\\x = 7$

So, the other two sides are 7 units each.

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3 years ago

Jessica has bought 18 pounds of dog food. She feeds her dog 2/3 pounds for each meal. For how many meals will the food last?

MAXImum [283]

Answer:

27 days

Step-by-step explanation:

It is a simple division question

18 / (2/3)

Multiply by reciprocal

18 * 3 / 2 = 27

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3 years ago

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A square pyramid has a base with an area of 20 square meters, and its lateral faces have a slant height of x meters. Sydney is c

svetoff [14.1K]

1. Consider the pyramid ABCDE in the figure 1 attached:

Each side of the square base equals $\sqrt{20} = \sqrt{4*5} = \sqrt{4}* \sqrt{5}=2 \sqrt{5}$ (units)

Area of 1 lateral side of pyramid ABCDE is $\frac{1}{2}* 2 \sqrt{5}*x=\sqrt{5}x$

so the total lateral area is $4\sqrt{5}x$ (units squared)

and the total surface area is $20+4\sqrt{5}x$ (units squared)

2. Now consider the second figure KLMNP, Sydney's pyramid:

The lateral area is $4* \frac{1}{2}* 4 \sqrt{5} *2x=16 \sqrt{5}x$

so the total area of the second pyramid is $20+16 \sqrt{5}x$

So 2 things can be said about the areas:

i) the lateral area of Sydney's pyramid is $\frac{16 \sqrt{5}x}{4\sqrt{5}x} =4$ times larger than the lateral area of the original pyramid.

ii) The total area of Sydney's pyramid is $(20+16 \sqrt{5}x)-(20+4\sqrt{5}x)=12\sqrt{5}x$ units squared larger than the total area of the original pyramid.

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3 years ago

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