Ratio, proportion, percent 52 plates to 24 bowls

1 answer:

8 0

So to get a ratio of plates to bowl, you divide both the numbers by a common multiple, which I found the greatest to be 4. So you divide 52 by 4 and 24 by for to get a ratio of 13 plates to 6 bowls. (Also written as: 13:6, 13/6, or 13 to 6)

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In a parallelogram what can you say about the consecutive angle

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Answer:

Sum of two consecutive angle is always 180°

Step-by-step explanation:

In a parallelogram what we can you say about the consecutive angle is that they are supplementary to each other. By supplementary we mean that the sum of the two angles is always 180°

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3 years ago

Using the distrubutive proberty an experstion equvalent to 45+72

Colt1911 [192]

solution:

$45+72\\=(9\times 5)+(9\times 8)\\=9(5+8)\\=117$

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Kill’em Dead Pest Control needs to set out 5 roach motels per square yard. In a rectangular studio apartment that’s 7 yards by 4

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5 roach motels per square yd

A = L * W
A = 7 * 4
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4 years ago

A painter designs a mural with the shape shown below. One pint of paint will cover 50 square feet. How many whole pints of paint

shutvik [7]

Answer:

You need the total of square feet of the mural before you can divide 50 square feet to it and get your answer of how many pints of paint you will need.

For example.

Mural size is 2800 square feet

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3 years ago

The Johnson twins were born eleven years after their older sister. This year, the product of the three siblings' ages is exact

vodka [1.7K]

So there are 3 siblings: the first twin, the second twin, and their older sister.

Since the sister is older by 11 years, you can represent their relationship with the following equation;
age of twin = age of older sister - 11
t = s - 11

Representing this next part may be a little hard to show, but i'll do my best :)

Adding the ages together can be represented like this;
total age = t + t + s
If the product of their ages ( t * t * s ) is 1181 more than the sum, you can show it like this:
$t * t * s = (t + t + s) + 1181$
Now you substitute in (s - 11) for t because s = t - 11.
$t * t * s = (t + t + s) + 1181\\
(s-11) * (s-11) * s = ((s-11) + (s-11) + s) + 1181\\
(s^{2}-22x+121)*s=s+s-11-11+1181\\
s^{3}-22s^{2}+121s-2s=1159\\
s^{3}-22s^{2}+118s-1159=0$
Factor:
Since it's a third-degree equation, I just entered it into a polynomial solver in my calculator. There was only one factor listed, x = 19. Using (s - 19) = 0 as a factor, the equation becomes the following:
$s^{3}-22s^{2}+118s-1159=0\\
(s-19)(s^{2}-3s+61)=0$
Using the quadratic formula, you get:
$s= \frac{-b(+-)\sqrt{b^{2}-4ac}}{2a}\\
s= \frac{-(-3)(+-)\sqrt{(-3)^{2}-4(1)(61)}}{2*1}\\
s= \frac{3(+-)\sqrt{(9)-244}}{2}\\
s= \frac{3(+-)\sqrt{-235}}{2}$

Since you have a square root of a negative number, the answer will be imaginary. You cannot have an age that is imaginary, so the age of the older sister (s) is 19 years.

Because t = s - 11, that means that t = (19) - 11 = 8.
t is the age of the twins, so the twins are 8 years old.

8 0

3 years ago