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3 years ago

Nth term fo 3,11,25,45

Mathematics

2 answers:

alexandr1967 [171]3 years ago

7 0

I think the answer may be 291

Nimfa-mama [501]3 years ago

4 0

That's a progression, for each step you increase the total next number by 8+6.

So
1. 3+8=11
2. 11+8+6=25
3. 25+8+6+6=45
4. 45+8+6+6+6=71
5. 71+8+6+6+6+6=103
6.103+8+6+6+6+6+6=141
7.141+8+6+6+6+6+6+6=185
8.185+8+6+6+6+6+6+6+6=235
9.235+8+6+6+6+6+6+6+6+6=291

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Answer:

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Step-by-step explanation:

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3 years ago

A rectangle has a height of 5 and a width of 4x^2 – 2x – 6.

bogdanovich [222]

The area of the rectangle is $20x^{2} -10x-30$ units.

Step-by-step explanation:

Step 1:

The area of a rectangle is obtained by multiplying the length with the width of the rectangle.

Considering this a whole rectangle, the length of the rectangle is 5 units and the width is the sum of $4x^{2}$ , $-2x$ , and -6.

So the length of the rectangle = 5 units and

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Step 2:

By substituting the known values, we get

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So the area of the rectangle is $20x^{2} -10x-30$ units.

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3 years ago

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ziro4ka [17]

Answer:

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3 years ago

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Leviafan [203]

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Read 2 more answers

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Nitella [24]

The two short sides must be longer than those required in an isosceles right triangle. The ratio of side length to hypotenuse length in a 45°-45°-90° triangle is 1 : √2. So, such a triangle requires side lengths of 30/√2 ≈ 21.213 inches. Its perimeter will be about

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4 years ago