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vovikov84 [41]
3 years ago
8

Evaluate algebraic expressions 6th grade 1.5 + y2 when y=6

Mathematics
1 answer:
den301095 [7]3 years ago
7 0

If y=6 then y2 equals 36 because 6 times 6 is 36 and 36+1.5 is 37.5

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Which one of these is x please help
sesenic [268]

Answer:

1/2

Step-by-step explanation:

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Whats a synonym (another word) for the word median? *
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Another word for median is middle. The median is the middle number of a list of numbers.

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Factor the expression completely <br> -15t-6
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The sum of two numbers is 110.The larger number is 2 less than 7 times the smaller.Find the Large number
natima [27]

Answer:

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Step-by-step explanation:

let \: the \: two \: numbers \: be \: a \: and \: b \\ a + b = 110 \\ let \: a \: be \: the \: larger \: number \\ a = 7b - 2 \\ we \: can \: get \: the \: value \: of \: b \: by \: substituting \: the \: value \: above \: for \: a \: in \: eq \: 1 \\ 7b - 2 + b = 110 \\ 8b - 2 = 110 \\ 8b = 110 + 2 \\ 8b = 112 \\ b = \frac{112}{8}  \\b = 14\\ calculate \:the \: value \: of \: a \: using \: the \: equation \: above \\ a + b = 110 \\ a = 110 - 14 \\ a = 96 \\ hence \: the \: large \: number \: is \: 96

8 0
2 years ago
Which of the following are roots of the polynomial function? Check all that apply.
lutik1710 [3]

You know 1 is not a root because the sum of the coeffcients of the equation is 14, not zero.

It is fairly easy to try 3 by synthetic division (see attachment), which tells you that 3 is a root and the remaining quadratic factor is x²-3x-5. The quadratic formula tells you the roots of that factor are

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The appropriate choices are

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... D. (3+√29)/2

... F. 3

_____

The quadratic formula tells you the solution to

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is x = (-b±√(b²-4ac))/(2a)

We have a=1, b=-3, c=-5.

8 0
3 years ago
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