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3 years ago

How do you divide 50 by 60 and get 85

2 answers:

8 0

you cannot get that answer.... when you divide. Put the number into a fraction first so, it makes it easier to see what you are doing. So, $\frac{50}{60}$ .Now simplify the cross off the zero from the top and the bottom to get $\frac{5}{6}$ . So, $\frac{5}{6}$ will give you 0.83333333333...3.

Serggg [28]3 years ago

4 0

You cant get the answer... if u divide you eather have even numbers or like for example 5 10 15 20 do u get the patters it is 5 plus 5 plus 5 another method is repeated subtraction

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A customer deposits $500 in an account that pays 4% annual interest. What is the balance after 3 years if the interest is compou

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3 years ago

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PLEASE HELP! [99 POINTS] !! SERIOUS ANSWERS ONLY !!!

umka21 [38]

Hello!

We can find out our answer by plugging in the point (1,1) to see which equation works.

y=1.4(1.2)≠1
y=1.2≠1
y=0.5+0.3≠1
y=0.2+1.2≠1

As you can see, none of these answers are correct. You could make the last equation true by switching 0.2 to -0.2. It may have been a typo, so I would say the best answer is D.

I hope this helps!

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3 years ago

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Find the standard form of the equation of the hyperbola satisfying the given conditions: X intercept +/- 6; foci at (-10,0) and

uysha [10]

Answer:

$\frac{x^{2}}{36} - \frac{y^{2}}{64}=1$

Step-by-step explanation:

Given an hyperbola with the following conditions:

Foci at (-10,0) and (10,0)
x-intercept +/- 6;

The following holds:

The center is midway between the foci, so the center must be at (h, k) = (0, 0).

The foci are 10 units to either side of the center, so c = 10 and $c^2 = 100$
The center lies on the origin, so the two x-intercepts must then also be the hyperbola's vertices.

Since the intercepts are 6 units to either side of the center, then a = 6 and $a^2 = 36.$

$Then, a^2+b^2=c^2\\b^2=100-36=64$

Therefore, substituting $a^2 = 36.$ and $b^2=64$ into the standard form

$\frac{x^{2}}{a^2} - \frac{y^{2}}{b^2}=1\\We \: have:\\ \dfrac{x^{2}}{36} - \dfrac{y^{2}}{64}=1$

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3 years ago

Sarah has a shoebox that has a base that is 12 inches x 10 inches. The shoe box is 7.5 inches tall. Sarah lost the top to the bo

katrin2010 [14]

450

10*12= 120 the bottom of the box
10*7.5= 75 one side
75*2= 150 two sides
12*7.5= 90 another side
90*2= 180 two other sides
120+150+180 = 450

Hope this helped :)

8 0

3 years ago