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2 years ago

Please help me I need this for exam tomorrow and can u please show the working

Mathematics

1 answer:

Sergio [31]2 years ago

7 0

Answer:

46,57/4

Step-by-step explanation:

area = π.r^2 = π.(d^2)/4

d^2 = AB^2= 5,6^2+3,9^2 =46,57

----> area = π.46,57/4

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4 years ago

Please help me find out what k is.

Ghella [55]

Answer: a) k=8

b) The area of the addition = $30\text{ square feet}$

The area of the entire patio after addition $=80\ \text{square feet}$

Step-by-step explanation:

Given: The area of the patio before addition = 50 square feet

The area of the addition portion is given by $k^2-3k-10$

We can see that dimension of the total portion is $k\times(k+2)$

therefore, the area of the patio with the addition portion = $k\times(k+2)=k^2+2k$

According to the question we have,

$k^2-3k-10+50=k^2+2k\\\Rightarrow-3k+40=2k\\\Rightarrow\ 5k=40\\\Rightarrow\ k=8$

Therefore, The area of the addition = $8^2-3(8)-10=64-24-10=30\text{ square feet}$

The area of the entire patio after addition = $30+50=80\ \text{square feet}$

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3 years ago

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kodGreya [7K]

Answer:

multiply the exponents

Step-by-step explanation:

i think its x^32

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2 years ago

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3 years ago

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How to solve 30+(4x+2)=8+6x)

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Step-by-step explanation:

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4 years ago

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