2 years ago

Help pls I have a test due tomorrow :(

Mathematics

1 answer:

Mademuasel [1]2 years ago

5 0

Good luck on your test love ya also I have bad period cramps send chocolate please

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Johnny makes $8.25 an hour working at the local restaurant. His paycheck shows that he works 29.5 hours over the past week. How

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To do this you can do (pay) x (hours) to work out how much Johnny makes for example:

8.25 x 29.5 = 243.375$ so the answer is 243.375$

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Find all complex solutions of 5x^2+5x+3=0.

oksian1 [2.3K]

Answer:

see explanation

Step-by-step explanation:

5x² + 5x + 3 = 0 ← in standard form

with a = 5 , b = 5 , c = 3

Solve using the quadratic formula

x = $\frac{-b+/-\sqrt{b^2-4ac} }{2a}$

= $\frac{-5+/-\sqrt{5^2-(4(5)(3)} }{2(5)}$

= $\frac{-5+/-\sqrt{25-60} }{10}$

= $\frac{-5+/-\sqrt{-35} }{10}$

= $\frac{-5+/-\sqrt{-1(35)} }{10}$

= $\frac{-5+/-i\sqrt{35} }{10}$

Then

x = $\frac{-5}{10}$ ± $\frac{1}{10}$ i $\sqrt{35}$ , that is

x = - $\frac{1}{2}$ - $\sqrt{x} \frac{1}{10}$ i $\sqrt{35}$ , - $\frac{1}{2}$ + $\frac{1}{10}$ i $\sqrt{35}$

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2 years ago

Help me please?! I need help

Ipatiy [6.2K]

Answer:

7x + 2y = 9

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standard form is always written as:

Ax + By = C

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Which of the following are possible solutions to following system of linear inequalities:

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The answer Is F or the C

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A cargo elevator has a maximum carrying capacity of 400 pounds. If each cargo box weighs 25 pounds, what is the maximum number o

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Answer:

Step-by-step explanation:

400÷25

=16

25×16

=400

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2 years ago