3 years ago

Please I need help with this ASAP! WIll mark brainliest if right!! Explain!!!

Mathematics

1 answer:

Serga [27]3 years ago

5 0

Answer:

option 4 ) 8

hope it helpss........

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PLEASE HELP 10 POINTS

Sidana [21]

Answer:

8.1 gallons

Step-by-step explanation:

Setup a proportion

240/9=216/x

x=8.1

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4 years ago

Which equation has the solutions x=1+/- 5?

nikitadnepr [17]

Answer:

$x^{2} -2x-4=0$

Solving Steps

Use the quadratic formula

$x=\frac{-(-2)(+/-)\sqrt{(-2)^2-4*1*(-4)} }{2*1}$

Multiply / Remove the parentheses / Evaluate

$x=\frac{2(+/-)\sqrt{4+16} }{2}$

Calculate

$x=\frac{2(+/-)\sqrt{20} }{2}$

Separate the solutions

$x=\frac{2(+/-)2\sqrt{5} }{2} \\x=\frac{2-2\sqrt{5} }2}$

Simplify

$x=1+\sqrt{5} \\x=1-\sqrt{5}$

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3 years ago

4.2: Weekend Earnings

Volgvan

5.15 for the first hour after subtracting 12.20(7.15)

7 0

3 years ago

Model and partial quotient solve:<br><br> 783/4

vlada-n [284]

Answer:

195.75

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Are there any limits to the value of Sine, Cosine and Tangent? if so, what are they and why?

worty [1.4K]

With Sine, Cosine, and Tangent there are no limits with the numbers you can use and they can be found on a calculator. When you press one of the 3 it will show up like:

Sine(
Cos(
Tan(

Than just add your number and press enter

8 0

3 years ago