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ziro4ka [17]
3 years ago
8

The area of a triangle whose height is 1 more than 6 times its base is 13 square feet. If the base of the triangle is x feet, wh

ich equation models this situation?
A. 6x^2 +x-12=0

B. 6x^2+x-13=0

C. 6x^2+x-26=0

D. 36x^2+6x-26=0
Mathematics
1 answer:
brilliants [131]3 years ago
4 0
The correct answer is choice C.  Here is the reason.  If you substitute the information into the formula this is what it would be:
 A = bh/2
13 = x (6x + 1)/2
13 = (6x^2 + x)/2
26 = 6x^2 + x
0 = 6x^2 + x - 26
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posledela
It would be mean. The mean is the average that is you are looking for, since she wants a summerization of all the values in the data set. To find the mean (average) add all the numbers and then divide by the amount of numbers.
5 0
3 years ago
In the rectangle ABDF above, C and E are midpoints of sides line ED and line DF, respectively, what fraction of the areas of the
aivan3 [116]

Answer:

Is shaded 5/8 of the area of the rectangle

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The area of triangle ABC represent 1/4 of the total area

The area of triangle CDE represent 1/8 of the total area

The shaded region is composed by one triangle equal to triangle ABC and three triangles equal to triangle CDE

so

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(1/4)(1)+(1/8)(3)=(1/4)+(3/8)=(2/8)+(3/8)=5/8

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8 0
3 years ago
Help!<br><br> Simplify: (5/6)^2
aivan3 [116]

Answer:

.1147816 and the 6 is repeating

Step-by-step explanation:

What you do is you have to divide 5/6 first.

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You will then square .83 to get:

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4 0
3 years ago
Read 2 more answers
What does 23/2 reduce down to in its simplest form?
Lunna [17]

To simplify this improper fraction we can turn it into a mixed number. The fact that the denominator is 2 and the numerator isn't divisible by 2 shows that it can't simplified any further as a improper fraction.

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Best of Luck!

5 0
3 years ago
How do I use the substitution method to find the point of intersection of
Goshia [24]
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y = x + 2
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solution:
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hope this helps!! :)
7 0
3 years ago
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