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Leno4ka [110]
3 years ago
13

Valerie sold 6 tickets to the school play and mark sold 16 tickets. What is the ratio of the number of tickets Valerie sold to t

he number of tickets mark sold
Mathematics
1 answer:
Mkey [24]3 years ago
6 0

6:16 or 3:8 I hope I helped u on this answer


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A bread company likes to mix 40% whole wheat flour and 70% whole wheat flour to get 60% whole wheat flour. If they need 45 kilog
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Answer:

40 cups of flour............hope this helps

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3 years ago
The letter w represents a whole number such that 2021 + w is a multiple of 7. What is the smallest possible value of w?
7nadin3 [17]

Answer:

2

Step-by-step explanation:

2021/7 leaves a remainder of 5 so add 2 and that's the answer

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3 years ago
Ryan took 12 minutes to type 600 words report. At this rate how many words could he type in 20 minutes
cupoosta [38]

Method 1:

In order to solve for this, we have to find out how many words Ryan can type in one minute first.

\frac{600 words}{12 minutes} can be simplified into \frac{50 words}{1 minutes}

(This is just normal simplifying, all you had to do was divide both sides by 12)

Now that we have our rate, \frac{50 words}{1 minutes}, we can figure out how many words Ryan can type in 20 minutes

\frac{50 words}{1 minutes} * 20/20 = \frac{1000 words}{20 minutes}

Ryan can type 1000 words in 20 minutes

Method 2:

You can use two fractions in order to solve this equation:

\frac{600 words}{12 minutes} = \frac{x words}{20 minutes}

The 'x' on the right is a variable because we don't know what the number is.

Simplify:

\frac{50 words}{1 minutes} = \frac{x words}{20 minutes}

Cross multiply:

1 * x = 50 * 20

x = 1000

Ryan can type 1000 words in 20 minutes

Good luck! If you have any questions, just ask :))

-T.B.

6 0
3 years ago
Read 2 more answers
What is the greatest integer n that satisfies 100^2 - n^2 = n^2 - 100^2
Anika [276]

Answer:

n = 100, -100

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How to factor a tri, quad, or polynomial.
Akimi4 [234]

Explanation:

Factoring to linear factors generally involves finding the roots of the polynomial.

The two rules that are taught in Algebra courses for finding real roots of polynomials are ...

  • Descartes' rule of signs: the number of positive real roots is equal to the number of coefficient sign changes when the polynomial is written in standard form.
  • Rational root theorem: possible rational roots will have a numerator magnitude that is a divisor of the constant, and a denominator magnitude that is a divisor of the leading coefficient when the coefficients of the polynomial are rational. (Trial and error will narrow the selection.)

In general, it is a difficult problem to find irrational real factors, and even more difficult to find complex factors. The methods for finding complex factors are not generally taught in beginning Algebra courses, but may be taught in some numerical analysis courses.

Formulas exist for finding the roots of quadratic, cubic, and quartic polynomials. Above 2nd degree, they tend to be difficult to use, and may produce results that are less than easy to use. (The real roots of a cubic may be expressed in terms of cube roots of a complex number, for example.)

__

Personally, I find a graphing calculator to be exceptionally useful for finding real roots. A suitable calculator can find irrational roots to calculator precision, and can use that capability to find a pair of complex roots if there is only one such pair.

There are web apps that will find all roots of virtually any polynomial of interest.

_____

<em>Additional comment</em>

Some algebra courses teach iterative methods for finding real zeros. These can include secant methods, bisection, and Newton's method iteration. There are anomalous cases that make use of these methods somewhat difficult, but they generally can work well if an approximate root value can be found.

6 0
3 years ago
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