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lubasha [3.4K]
4 years ago
13

How to find the area for a Isoceles triangle

Mathematics
2 answers:
Makovka662 [10]4 years ago
3 0

Answer:

Using the lengths of the sides, label the lengths of each side, the base, and the height. Then, use the equation Area = ½ base times height to find the area.

r-ruslan [8.4K]4 years ago
3 0

Answer:

Step-by-step explanation:

A=90

Base: 12

Height: 15

Solution

A=<u>b*h</u>

     2

A =<u>12·15</u> =90

       2

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Please help? It's worth 16 points!!!!
ddd [48]

Answer:

I’m not too sure what your question is exactly but if your just trying to graph the two equations I can help u with that (:

Step-by-step explanation:

The first thing you should do is change the second equation to slope intercept form. It is much easier for most people. From there write out your table by choosing a number for x then plugging that number into the equation to find y. For the first equation (y=1/3x+2) it’s always easier to use multiple of three for the number of x. For example, if 3 was my number for x I would multiply 1/3 by 3=1 then simply add 2=3. So the coordinates for one point on that table would be 3,3. You continue to do that for each graph then plot your points. (In my graph, purple is the equation y+9=-9/3x-9 and black equals the equation y=1/3x+2

4 0
3 years ago
Read 2 more answers
I need help with this question about similar triangles
Colt1911 [192]

Answer:

ST = 12 units

Step-by-step explanation:

Δ RAS and Δ TES are similar triangles, thus the ratios of corresponding sides are equal, that is, noting that SR = 21 - ST, thus

\frac{ST}{SR} = \frac{TE}{AR} substitute values

\frac{ST}{21-ST} = \frac{8}{6} ( cross- multiply )

6ST = 8(21 - ST)

6ST = 168 - 8ST ( add 8ST to both sides )

14ST = 168 ( divide both sides by 14 )

ST = 12

6 0
3 years ago
3 is added to five times number, and the result is multiplied by 4. the final result is 72. what is the number​
Dima020 [189]

Answer:

The number is 3

Step-by-step explanation:

Hi,

4 ( 3 + 5x) = 72

12 + 20x = 72

20x = 60

x = 3

Hope this helps :)

7 0
3 years ago
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ALGEBRA 1:
Phantasy [73]
64-16x+x^2 i had this same question and that’s the answer i put and for it right :)
3 0
3 years ago
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How to find the slope of (0,7) and (5,9)?
bekas [8.4K]

Answer:

The slope is 2/5 (0.4).

Step-by-step explanation:

The formula for finding a slope is m = (yB - yA)/(xB - xA). That equation becomes:

m = (9 - 7)/(5 - 0)

Subtract 7 from 9 to get 2.

m = 2/(5 - 0)

Any number subtracted by 0 equals itself.

m = 2/5, or 0.4 is the final answer.

5 0
3 years ago
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