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ser-zykov [4K]
2 years ago
11

Colin pays £766.45 a year on his car insurance.

Mathematics
1 answer:
Sloan [31]2 years ago
4 0
766.45x(1+5.4%)
=766.45x(1+0.054)
=766.45x1.054
= 807.8383
=807.84
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The Valley High School Auditorium is able to seat 8 elementary school groups of 65 students each. Use the distributive property
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If there are 8 groups of 65 students, that means they can seat 8*65 students total. 520 students
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What's 21v+8-12v-7+3t-1t
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Write a quadratic equation with the given roots. Write the equation in the form of ax^2+bx+c=0 where a b and c are integers
Bas_tet [7]

You haven't provided the required roots, but I can tell you how to do this kind of exercises in general.

If the x^2 coefficient is 1, i.e. the equation is written like x^2+bx+c=0, then you can say the following about the coefficients b and c:

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  • c is the multiplication of the roots.

So, for example, if we want an equation whose roots are 4 and -2, we have:

  • 4+(-2) = 4-2 = 2 \implies b = -2
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So, the equation is x^2-2x-8=0

If your roots are rational, you can work like this: suppose you want an equation with roots 3/4 and 1/2. You have:

  • \dfrac{3}{4}+\dfrac{1}{2} = \dfrac{3}{4}+\dfrac{2}{4} = \dfrac{5}{4} \implies b = -\dfrac{5}{4}
  • \dfrac{3}{4} \cdot \dfrac{1}{2} = \dfrac{3}{8} \implies c = \dfrac{3}{8}

And so the equation is

x^2 - \dfrac{5}{4} + \dfrac{3}{8} = 0

In order to have integer coefficients, you can multiply both sides of the equation by 8:

8x^2 - 10 + 3 = 0

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3 years ago
(5 x 10^2)^−2<br> i dont get it
ss7ja [257]

Answer:-250,000

Step-by-step explanation:

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3 years ago
a 2-month membership to the gym cost $125 jim would like to be a member for 8 months what is the total amount he will pay for 8
Natasha2012 [34]

Answer:

500

Step-by-step explanation:

125 x 4

8 0
3 years ago
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