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3 years ago

Can you help it’s due tn thx

Mathematics

2 answers:

Lyrx [107]3 years ago

6 0

Answer:

60-45=25

5t=25

Because you started off with $60. You want to know how many toys you bought so you got five toys for the $25 60-25= the $45 you got left

cestrela7 [59]3 years ago

4 0

Dnsnanakakakakskskzkxjc

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GuDViN [60]

W/4-5=4
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hichkok12 [17]

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3 years ago

A project can be completed by 5 workers in 24 days. How many workers are needed to finish the project in 15 days? The time

marusya05 [52]

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3 years ago

The ratio of a number and 18 is equal to the difference of a number squared and 5

boyakko [2]

Answer:

The number is 2.26

Step-by-step explanation:

Let The given numbers be x

Now according to question :

x : 18 = x² - 5

I.e x = 18 × ( x² - 5 )

or, x = 18 × x² - 90

or, 18 x² - x - 90 = 0

Or, From quadratic equation , the value of x

x = $\frac{-b\pm \sqrt{b^{2}-4\times a\times c}}{2\times a}$

Or, x = $\frac{+\pm \sqrt{-1^{2}-4\times 18\times -90}}{2\times 18}$

Or, x = $\frac{1\pm \sqrt{6481}}{36}$

So, x = $\frac{1\pm 80.50}{36}$

∴ x = $\frac{81.50}{36}$ = 2.26

Hence The number is 2.26 Answer

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3 years ago