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yulyashka [42]
3 years ago
6

7n-1>-169 does anyone know this answer?

Mathematics
2 answers:
Charra [1.4K]3 years ago
4 0
7n-1>-169
+1 both sides
7n>-168
÷7 both sides
n>-24
earnstyle [38]3 years ago
3 0
Let's look at this inequality.
7n-1>-169.
To solve this, we need to isolate the variable. Let's start by adding 1 to both sides.
7n-1+1>-169+1
7n>-168
Divide both sides by 7.
7n/7>-168/7
n>-24

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Answer:

Option D) 1.26 tons

Step-by-step explanation:

we have

d=\frac{10w}{\pi}

where

d is the diameter of a rope in inches

w is the weight in tons

we have

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substitute the value of d and solve for w

4=\frac{10w}{\pi}

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assume

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7 0
3 years ago
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Answer:

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Step-by-step explanation:

Required

Simplify

(a)\ \sqrt{20}

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\sqrt{128} = \sqrt{64*2}

Split

\sqrt{128} = \sqrt{64} * \sqrt{2}

\sqrt{128} = 8 * \sqrt{2}

\sqrt{128} = 8 \sqrt{2}

<em></em>

<em>Questions 4 and 5 are not clear</em>

<em>Follow the steps in 1 - 3 to solve 4 and 5</em>

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