3 years ago

If no one has asked u today I'll ask u, hows your day? have u eaten? how are u?

Mathematics

2 answers:

Elena L [17]3 years ago

7 0

thank u for this :) hope ur doing good too <3

Step2247 [10]3 years ago

3 0

Answer:brave fun

Step-by-step explanation:

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Solve the quadratic equation using the quadratic formula: 3x^2 - 6x = 5

Fantom [35]

Answer:

$x_{1} = 1+\frac{2\sqrt{6}}{3} \\\\x_{2} = 1-\frac{2\sqrt{6}}{3}$

Step-by-step explanation:

3x^2 - 6x - 5=0

quadratic formula:

$x=\frac{-b+-\sqrt{b^{2}-4*a*c}}{2*a}$

a=3 b=-6 c=-5

$x=\frac{-(-6)+-\sqrt{(-6)^{2}-4*3*-5}}{2*3}$

$x=\frac{6+-\sqrt{36+60}}{6} \\\\x=\frac{6+-\sqrt{96}}{6} \\\\x=\frac{6+-\sqrt{2^{2}*2^{2}*2*3 }}{6} \\\\x=\frac{6+-4\sqrt{6}}{6} \\$

so we have:

$x_{1} = 1+\frac{2\sqrt{6}}{3} \\\\x_{2} = 1-\frac{2\sqrt{6}}{3}$

8 0

3 years ago

How too work this out

Oduvanchick [21]

Answer:

x = 4

Step-by-step explanation:

$\frac{7 + 2x}{3} = 5$

Multiply both sides of the equation by 3

7 + 2x = 15

Subtract 7 from both sides of the equation

2x = 8

Divide both sides of the equation by 2

x = 4

Hope this helps :)

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3 years ago

A pair of socks cost $2.50 originally. The price is reduced to $1.75. What is the percent change? *

Anarel [89]

Answer:

0.75

Step-by-step explanation:

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2 years ago

Find each value if g(x) = x^3 - X<br> 1. g(5)

VikaD [51]

G(5)=5^3-5
125-5
g(5)=120

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4 years ago

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Answer:

Step-by-step explanation:

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3 years ago

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