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Marrrta [24]
2 years ago
5

I been asking for help since yesterday

Mathematics
1 answer:
mihalych1998 [28]2 years ago
6 0
This one is extremely simple, and we can use the color coded pie chart to find the cost of each of the 5 things.

For the first, decorations, Mary spent $?? as shown by the blue triangle on the pie chart. Let’s get the other ones first to total the money left over.

For the second, she spent $65 on food, as shown by the green triangle on the pie chart.

For the third, she spent $80 on party hall rental, as shown by the blue triangle on the pie chart.

For the fourth, she spent $30 on prizes, as shown by the dark blue triangle.

And for the fifth one, she spent $45 on invitations. A bit too expensive if you ask me.

Then we add all the costs together, and get 220. After adding the extra costs such as candy, costumes, and music, we get a total of $345. We would subtract this from $375 to get a total of $30 left over, which was spent on decorations. The ??? value of the light blue triangle is $30.

Hope this helps!
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erma4kov [3.2K]

The equation of the directrix of the parabola given is x = 6, Option D is the correct answer.

<h3>What is Directrix of a Parabola ?</h3>

A parabola is a U shaped curve whose all point are at same distnace from a  point called as focus and a line called as Directrix .

The equation of the parabola given is

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When the standard equation of parabola is

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Therefore Option D is the correct answer.

To know more about Directrix

brainly.com/question/17376399

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