Mathematics: 3. Stacey mobile phone texting plan is $5.00 a month for up to 500 texts. Every text over 500 costs 5 cents. Her monthly bill for t texts is $9.60. Write an equation to represent the number of texts (t) Stacey sent last month.

3. Stacey mobile phone texting plan is $5.00 a - id35008994458, jrfranckowiak

jcazares3558

02.04.2021

9 cm

Step-by-step explanation:

We can use the Pythagorean theorem

a^2+b^2 = c^2

12^2+b^2 = 15^2

144 +b^2 = 225

Subtract 144 from each side

144-144+b^2 = 225-144

b^2 = 81

Take the square root of each side

sqrt(b^2) = sqrt(81)

b = 9

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