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SCORPION-xisa [38]
2 years ago
4

Sophia has 52 identical isosceles right triangles. She wants to make a square using some of them. How many different sized squar

es can she make?
Mathematics
1 answer:
Pepsi [2]2 years ago
4 0

Answer:

A maximum of 3 different sized squares can be formed from the 52 identical isosceles right triangles.

Step-by-step explanation:

A square is a plane shape that has the length of all its sides to be equal. While an isosceles triangle is one that has two equal sides and angles. A right angle isosceles triangle has a right angle, while other two angles are 45^{0} each.

To form a square, 2 right angles isosceles triangles are required. Since there are 52 identical isosceles right triangles, the number of different sized squares she would make would be:

The number of triangles required to form different sized squares are;

the first square requires 2 triangles

the second square of different size requires 8 triangles

the third square of different size requires 18 triangles

So that, 2 + 8 + 18 = 28 triangles has been used. But the next square would require 32 triangles.

Therefore, 3 different sized squares can be formed from the 52 identical isosceles right triangles.

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In an area of the Midwest, records were kept on the relationship between the rainfall (in inches) and the yield of wheat (bushel
Liula [17]

Answer:

Option A is correct.

y = 35.4 bushels per acre when rainfall = 7.1 inches

Step-by-step explanation:

An image of the steps to obtain the equation that relates x to y is attached to this answer.

n = number of variables = 9

μₓ = mean of variable x (rainfall in inches)

μᵧ = mean of variable y (yield in bushels per acre)

σₓ = standard deviation of variable x (rainfall in inches)

σᵧ = standard deviation of variable y (yield in bushels per acre)

y = 4.379x + 4.268

when x = 7.1

y = 4.379(7.1) + 4.268 = 35.3589 = 35.4 bushels per acre.

7 0
2 years ago
What is the value of (5x²)³ + 16y divided by 4y for x=2 and y=3
Inessa05 [86]

Answer:

30 2/3

Step-by-step explanation:

First multiply the two exponents

Second solve 2^6

Third multiply 64 times 5 = 320

Then multiply 16 times 3

Then add sums together 368

Lastly multiply 4 times 3 then divide 368 by 12

I hope this helps :)

6 0
2 years ago
When planning a party you want to know whom to invite. Among the people you would like to invite are three touchy friends.You kn
harkovskaia [24]

Answer:

Jasmine only.

Jasmine and Kanti only.

No one.

Step-by-step explanation:

There is no possible way to invite all three friends.

Since both Samir and Kanti will not attend if someone else is not invited, Jasmine is the only friend that can be invited on her own:

One person: Jasmine.

When inviting two people, if Jasmine is invited, Samir can't be invited and Kanti will only attend if Jasmine also does. Therefore, Jasmine and Kanti can go together and there is no way Kanti can be invited.

Two people: Jasmine and Kanti.

Furthermore, if nobody is invited, no one will be unhappy.

5 0
2 years ago
A wagon can hold 44 pounds. A newspaper weighs 22 ounces. How many newspapers can the wagon hold?
miss Akunina [59]

Answer:

The wagon can hold 32 newspapers

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Craig is considering four loans. Loan L has a nominal rate of 8.254%, compounded daily. Loan M has a nominal rate of 8.474%, com
nalin [4]
<span>In order for you to be able to determine on which is the best effective interest rate, we need to compute each interest and see on how much would it accrue after it matures. The formula to use is the compound interest formula which is A=P(1+r/n)^nt, wherein A is the amount of due including the interest, P as the principal, r as the interest rate, n as the number of times it would be compounded per year and t as the number of years it would be loaned. To reassign the formula with each given interest rate, and assuming that the amount to be loaned would be 1,000 and the number of years it would be loaned will be 5 years, the amount due after 5 years for the 8.254% compounded daily will be 1,510.82, for the 8.474% compounded weekly will be 1,527.03, for the 8.533% compounded monthly will be 1,529.80, for the 8.604% compounded yearly will be 1,510.88. The best effective interest rate offer would be the 8.254% compounded daily.</span><span />
4 0
2 years ago
Read 2 more answers
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