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jok3333 [9.3K]
3 years ago
15

1/2 over 2 equals to 3 over X

Mathematics
1 answer:
gayaneshka [121]3 years ago
8 0
\frac{ \frac{1}{2} }{2} = \frac{3}{x}
\frac{2}{2} = \frac{3}{x}
1=\frac{3}{x}
x=3
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Francés is sewing a border around 2 rectangular tablecloths that each measure 9 feet long by 6 feet Wide. If it Takes her 3 minu
kondor19780726 [428]
First You do length times width which would be 54 and then divide that by 3 and you would get your answer.

54÷(9×6)
7 0
3 years ago
In Part C, you determined that the proper ratio of packages of buns, packages of patties, and jars of pickles is 3:2:4. If you w
andrew-mc [135]

Answer:

packages of buns = 1,260

packages of patties = 840

Jars of pickles = 1,680

Step-by-step explanation:

packages of buns = 3

packages of patties = 2

Jars of pickles = 4

Number of people = 420

Each person of the 420 people gets packages of buns, packages of patties, and jars of pickles in the ratio 3:2:4

packages of buns needed for 420 people = 3 × 420

= 1,260

packages of patties needed for 420 people = 2 × 420

= 840

Jars of pickles needed for 420 people = 4 × 420

= 1,680

packages of buns = 1,260

packages of patties = 840

Jars of pickles = 1,680

To feed at least 420 people minimum number of packages of buns, packages of patties, and jars of pickles needed is 1,260, 840, 1,680 respectively.

3 0
3 years ago
The expressions below model different possibilities for the area of a pool. Identify which of the following expressions have at
Anna007 [38]
<h3>Answer: Choice B is correct</h3>

========================================================

Explanation:

Use a graphing tool like GeoGebra, Desmos, or your graphing calculator to plot each expression given as a separate y equation. Four parabolas should result.

The x intercept is the same as the root or zero of a function.

You should find that only choice B has a root thats larger than 4. That specific root being x = 7.

----------------------------

A non-graphing approach:

You can use the quadratic formula or the factoring method to find the roots.

For choice A, it factors to (x+5)(x+6) = 0. The roots are x = -5 and x = -6 which aren't greater than 4. So we cross choice A off the list. Choices C and D are similar stories.

On the other hand, choice B factors to (x-7)(x+2) = 0 and it has roots of x = 7  and x = -2. This is another way to see why choice B is the answer.

Here are the steps for the quadratic formula for choice B

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x = \frac{-(-5)\pm\sqrt{(-5)^2-4(1)(-14)}}{2(1)}\\\\x = \frac{5\pm\sqrt{81}}{2}\\\\x = \frac{5\pm9}{2}\\\\x = \frac{5+9}{2} \ \text{ or } \ x = \frac{5-9}{2}\\\\x = \frac{14}{2} \ \text{ or } \ x = \frac{-4}{2}\\\\x = 7 \ \text{ or } \ x = -2\\\\

The quadratic formula is handy in case factoring is either not possible, or guess-and-check is too lengthy of a process. As you can probably tell, we could use the quadratic formula's results to help construct the factored form.

8 0
3 years ago
Find the x-intercept and the<br> y-intercept from the following linear equation:<br> 9x+3y=27
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X-intercept is 4 and yintecept is9
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3 years ago
28z2 – 7x2 + 14xy – 7y
victus00 [196]

Answer:

What is the question..

I think this question is lack of information.

write complete question.okay

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3 years ago
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