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3 years ago

Last year, a banquet hall charged $30 per person, and 60 people attended

Mathematics

1 answer:

ohaa [14]3 years ago

6 0

So what’s the question?

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For what values of b, the equation x^2−ax+b=0 has a solution for any value of a? PLEASE I NEED IT SOON!

Rasek [7]

I’m not sure about the wording of the question, but wouldn’t it be all real numbers?

3 0

3 years ago

Read 2 more answers

How to solve 1/4-x=x/8

Contact [7]

Answer:

$x=\frac{2}{9}$

Step-by-step explanation:

$\frac{1}{4}-x=\frac{x}{8}$

With the equation's current format, we will have trouble solving with all these fractions. Especially the fraction $\frac{x}{8}$ is very difficult to deal with, so my first step would be:

$(\frac{8}{1})(\frac{1}{4}-x)=\frac{x}{8}(\frac{8}{1})$

If we multiply both sides by this number, we will be able to get rid of the messy fraction on the right side as well as remove the fraction on the left side. Like so:
<em>I put the $8$ I multiplied onto each side in fraction form simply for clarity. You do not need to do this.</em>

$(\frac{8}{1})(\frac{1}{4}-x)=\frac{x}{8}(\frac{8}{1})\\\frac{8}{4}-8x=\frac{8x}{8}\\2-8x=x$

After this point, let's put our variable, $x$ , onto one side of this equation and any other integers on the other by adding and subtracting them from both sides.

$2-8x=x\\-9x=-2$

Now we divide so that $x$ is isolated, and we are done.

$x=\frac{-2}{-9}=\frac{2}{9}$

6 0

3 years ago

How many different types of cross sections of a cone are possible?. A. 3. B. 5. C. 6. D. 10

Rama09 [41]

6 different types of cross sections of a cone are possible.

8 0

3 years ago

Wee Ling had 5/7m of ribbon she used 1/10 of it to tie a persent what was the length of the ribbon used to tie the present? Give

Kitty [74]

Answer:

0.0714285metres, 0.07 metres

Step-by-step explanation:

100÷7 = 14.285...

5x14.285..=71.4285...

1/10 x 71.4285cm =7.142, 0.07metres

3 0

3 years ago

What does "opposite semi-planes of segment" mean?

alexdok [17]

Answer:

opposite half-planes – the two half-planes that are separated by a particular line of the plane. If points Y and Z are in opposite half-planes, the segment joining them must intersect the edge.

Step-by-step explanation:

4 0

3 years ago