3 years ago

For which number does the 9 have the least value 9.001, 0.9, 0.29, 7.079

Mathematics

1 answer:

mihalych1998 [28]3 years ago

6 0

Answer:

7.079

Step-by-step explanation:

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finlep [7]

Quadratic formula:

$x=\frac{-b±\sqrt{b^{2}-4ac } }{2a}$

What do we have:

a=4

b=-10

c=5

Substitude:

$x=\frac{10±\sqrt{b^{2}-4(4)(5)}}{2(a)}$

Solve:

$x=\frac{10±\sqrt{(-10)^{2}-4(4)(5)}}{2(4)}\\\\x=\frac{10±\sqrt{100-4(20)}}{8}\\\\x=\frac{10±\sqrt{100-4(20)}}{8}\\\\x=\frac{10±\sqrt{100-80}}{8}\\\\x=\frac{10±\sqrt{20}}{8}\\\\x=\frac{10±2\sqrt{5 }}{8}\\\\x=\frac{2(±5\sqrt{5) }}{2(4)}$

Cancel the common terms:

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3 years ago

(1+1/1)(1+1/2)(1+1/3)......(1+1/n)=n+1

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n + 1 = n + 1

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2 years ago

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Find 10 rational number between 6/7 and -5/7 please give me right solution

erik [133]

Answer:

Step-by-step explanation:

Note that the distance from -5/7 to 6/7 is 6/7 - (-5/7) = 11/7.

So, if you take steps of 1/7 each, there are 10 steps between -5/7 = 11/7.

-4/7, -3/7, -2/7, ..., 5/7

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Find the total for items costing $149.99 with a sales tax of 5.75%

jek_recluse [69]

141.36 is the answer

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Levart [38]

Answer:

B. The absolute value parent function

Step-by-step explanation:

$f(x)=|x|$

Referred to as absolute value, the value inside the bars is measured in terms of its distance from 0. Therefore:

$|0|=0\\|3|=3\\|-3|=3$

In essence, a negative value within the bars becomes positive, while a positive value remains positive.

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