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ASHA 777 [7]
3 years ago
8

an equilateral triangle and a square have the same perimeter. one side of the triangle measures 28 units. what is the area of th

e square
Mathematics
1 answer:
Vlad [161]3 years ago
4 0
The answer to this problem is 180 degree rule because you use multimedia as your photography!! I hope my answer is correct.
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What is the solution of 2x^2+8=x^2-16
AfilCa [17]

Answer:

x = -12

Step-by-step explanation:

2x^2 + 8 = x^2 - 16

2x + 2x + 8 = x + x - 16

4x + 8 = 2x - 16

-2x        -2x

2x + 8 = -16

      -8     -8

2x = -24

----   ------

2        2

x = -12

8 0
3 years ago
I always feel guilty about venting. I always feel like I shouldn't because someone is always going through something worse right
PilotLPTM [1.2K]

Answer:

yup

Step-by-step explanation:

I total agree with you on this. for me it took finding a true friend who cared about me more than I care about myself at the time. she really listened to my problems and helped me work through them

5 0
3 years ago
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a sequence starts a 200 and 30 is subtracted each time 200,170,140 what are the first two numbers in the sequence that are kess
Snowcat [4.5K]
<h3>Answer:  -10 and -40</h3>

===============================================================

Explanation:

a = 200 = first term

d = -30 = common difference

Tn = nth term

Tn = a + d(n-1)

Tn = 200 + (-30)(n-1)

Tn = 200 - 30n + 30

Tn = -30n + 230

Set Tn less than 0 and isolate n

Tn < 0

-30n + 230 < 0

230 < 30n

30n > 230

n > 230/30

n > 7.667 approximately

Rounding up to the nearest whole number gets us n \ge 8

So Tn starts to turn negative when n = 8

We can see that,

Tn = -30n + 230

T7 = -30*7 + 230

T7 = 20

and

Tn = -30n + 230

T8 = -30*8 + 230

T8 = -10 is the 8th term

and lastly

Tn = -30n + 230

T9 = -30*9 + 230

T9 = -40 is the ninth term

Or once you determine that T7 = 20, you subtract 30 from it to get 20-30 = -10 which is the value of T8. Then T9 = -40 because -10-30 = -40.

5 0
3 years ago
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What is the square root of 8 and why?
kicyunya [14]

Rewrite <span>88</span> as <span><span><span>22</span>⋅2</span><span><span>22</span>⋅2</span></span>.Factor <span>44</span> out of <span>88</span>.<span><span>√<span>4<span>(2)</span></span></span><span>4⁢2</span></span>Rewrite <span>44</span> as <span><span>22</span><span>22</span></span>.<span><span>√<span><span>22</span>⋅2</span></span><span><span>22</span>⋅2</span></span>Pull terms out from under the radical.<span><span>2<span>√2</span></span><span>2⁢2</span></span>The result can be shown in both exact and decimal forms.Exact Form:<span><span>2<span>√2</span></span><span>2⁢2</span></span>Decimal Form:<span>2.82842712<span>…</span></span>
8 0
3 years ago
Solve for x<br> 3/10 = x/7<br> Give your answer as an improper fraction in its simplest form!!!!!
julsineya [31]

Answer:

x = 21/10

Step-by-step explanation:

3/10 = x/7

Cross multiply.

10x = 21

x = 21/10

5 0
3 years ago
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