3 years ago

Help me pls with this

Mathematics

1 answer:

agasfer [191]3 years ago

7 0

Answer:

1 cup of lemon = 3 cup of apple

Step-by-step explanation:

it is a proportion

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The value of a boat is $23,400. It loses 8% of its value every year. Find the approximate monthly percent decrease in value. Rou

Oduvanchick [21]

23400 x 8/100 = 1872 = the loss
1872 : 12 = 156= the loss each month
156/1872*100% = 8,33 % then round it

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3 years ago

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patriot [66]

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Step-by-step explanation:

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2 years ago

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bezimeni [28]

Answer:

y<7 since if you subtract 1 from both sides and then divide both sides by 5 you get y<7

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3 years ago

How do I solve these equations?

lilavasa [31]

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3 years ago

Use the quadratic formula to solve the equation x^2-7x-6=0

olganol [36]

Answer:

$\frac{7\pm\sqrt{73}} {2}$

Explanation:

We have been given with the quadratic equation $x^2-7x-6=0$

We have general formula to find the roots of a quadratic equation first we find the discriminant with formula

$D=b^{2}-4ac$

and after that to find the variable suppose x we have the formula

$x=\frac{-b\pm\sqrt{D}} {2a}$

And general quadratic equation is

$ax^2+bx+c=0$

On comparing the given quadratic equation with genral quadratic equation we will have values

a=1, b=-7 and c=-6

After substituting these values in the formula we will get

$D=(-7)^2-4(1)(-6)={73}$

After substituting in the formula to find x we will get

$\frac{-(-7)\pm\sqrt{73}} {2}= \frac{7\pm\sqrt{73}} {2}$

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3 years ago

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Help me pls with this​

Help me pls with this