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Alexandra [31]
3 years ago
15

One of the areas are 14 and 16 find the areas

Mathematics
1 answer:
Eddi Din [679]3 years ago
4 0

The red triangle and the green rectangle are 14

The purple triangle and blue square are 16

Triangle is

(1/2)*Base*Height

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A regression equation was estimated as = –100 + 0.5x. if x = 20,the predicted value of y is _____.
ratelena [41]
Any answer things? :|
5 0
3 years ago
Write a quadratic equation with the given roots. Write the equation in the form of ax^2+bx+c=0 where a b and c are integers
Bas_tet [7]

You haven't provided the required roots, but I can tell you how to do this kind of exercises in general.

If the x^2 coefficient is 1, i.e. the equation is written like x^2+bx+c=0, then you can say the following about the coefficients b and c:

  • b is the opposite of the sum of the roots
  • c is the multiplication of the roots.

So, for example, if we want an equation whose roots are 4 and -2, we have:

  • 4+(-2) = 4-2 = 2 \implies b = -2
  • 4 \cdot (-2) = -8 \implies c = -8

So, the equation is x^2-2x-8=0

If your roots are rational, you can work like this: suppose you want an equation with roots 3/4 and 1/2. You have:

  • \dfrac{3}{4}+\dfrac{1}{2} = \dfrac{3}{4}+\dfrac{2}{4} = \dfrac{5}{4} \implies b = -\dfrac{5}{4}
  • \dfrac{3}{4} \cdot \dfrac{1}{2} = \dfrac{3}{8} \implies c = \dfrac{3}{8}

And so the equation is

x^2 - \dfrac{5}{4} + \dfrac{3}{8} = 0

In order to have integer coefficients, you can multiply both sides of the equation by 8:

8x^2 - 10 + 3 = 0

5 0
3 years ago
What is the intercepts of the line?
xxTIMURxx [149]

Answer:

The y-intercept is 2.5

The x-intercept is 3.5

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
Read 2 more answers
Factor completely. 27x^3-12x
grandymaker [24]
You will have to take 3x common from both terms and your ans should look like this,
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6 0
3 years ago
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The dimensions of the nations smallest post office are 8 feet 4 inches by 7 feet 3 inches why would you use the measurement 8 fe
viva [34]

Answer:

Because 16 inches is one foot and 4 inches, as there are 12 inches in a foot. So this one foot is added to the 7 inches. Or otherwise we can say: a hundred inches (100 in).

Step-by-step explanation:

If we tell the length in feet, only the rest of the integer number of feet is expressed in inches.

4 0
3 years ago
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