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1 year ago

What is x? 5x - 1 = - 8

Mathematics

2 answers:

kolezko [41]1 year ago

8 0

Answer:

x = -7/5 or -1.4

Step-by-step explanation:

Given :-

5x - 1 = -8

To Find :-

Solving :-

5x - 1 = -8

5x = -7

x = -7/5 or -1.4

Solution :-

x = -7/5 or -1.4

postnew [5]1 year ago

4 0

Answer:

x = -1.4, -7/5, or -1 2/5 (all same answer, just in different forms)

Step-by-step explanation:

Step 1: Add 1 to both sides.

$5x-1+1=-8+1$
$5x=-7$

Step 2: Divide both sides by 5.

$5x/5=-7/5$
x = -1.4, -7/5, or -1 2/5.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

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Answer:

1. $33,000

2. $6077.53

a) 2.72 seconds

b) 0.96 seconds

4. 189 square meters

a) Average Rate of Change = 4 pounds per week, or -4

b) 160 pounds (after 5 weeks)

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Step-by-step explanation:

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To find value of tractor after 4 years, we would need to substitute "4" into t and calculate. It is shown below:

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The value of the tractor after 4 years is $33,000

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$f(n)=5000(1.05)^{n}$

Where

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1.05 means a 5% growth rate per year

n is the time in years

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To the nearest cent, the value of the investment would be:

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The time it takes of pendulum to make one swing is given by the formula:

$T(L)=2\pi \sqrt{\frac{L}{32}}$

Where L is the length of the pendulum in feet

If L = 6ft, the time it will take is:

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