$f(7)=\sqrt{7^2+8*7}=\sqrt{49+56}=\sqrt{105} \approx 10.247\\f(8)=\sqrt{8^2+8*8}=\sqrt{128}=8\sqrt{2} \approx 11.314\\f(8)-f(7)=11.314-10.247=1.067 \approx 1.07$

3 0

3 years ago

Evaluate |-3|<br><br> ±3<br> -3<br> 3

marin [14]

Answer:

Its just 3

Step-by-step explanation:

Because its absolute value.

Hope this helps!

4 0

3 years ago

Read 2 more answers

The value of the expression is

elixir [45]

Answer:

P: parentheses (12 - 8) = 4

E: exponents (3^2) = 9

M: multiplication (12-8)/2 * 4 = 8

D: division (12-8)/2 = 2

A: addition (7 + 9 + 8) = 24

S: subtraction (blank)

Following the order of operations, our final answer is: 24

3 0

3 years ago

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Given a large sample of families with three children, what percent of the families will have all boys?

Tamiku [17]

12.5 % or one eighth

3 0

3 years ago