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Zolol [24]
3 years ago
5

The sum of the interior angles of a triangle is _______. 90° 180° 270° 360°

Mathematics
2 answers:
podryga [215]3 years ago
5 0
I think it’s either 180 or 360
Citrus2011 [14]3 years ago
3 0

Answer:

180

Step-by-step explanation:

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Solve for x.<br><br> x-2.13 = 5.3
MissTica
X-2.13=5.3 x= 5.3 + 2.13 x = 7.43
+2.13

Process:
Start by isolating the variable by itself, in this case we add 2.13 to the -2.13 as whatever we do to one side of the equation we do to the other hence we add 2.13 to 5.3 which will become x = 7.43 and we can verify our answer by substituting our answer for x
7.43 - 2.13 = 5.3
7 0
2 years ago
Read 2 more answers
The number T of teams that have participated in a robot-building competition for high-school students over a recent period of ti
Katarina [22]

Solving <u>the quadratic equation</u>, it is found that the number of teams is <u>greater than 1000</u> after 3.1 years.

The <u>number of teams after x years </u>is given by:

T(x) = 17.155x^2 + 193.68x + 235.81

Initially, there are T(0) = 236 teams. If will 1000 be when T(x) = 1000, thus:

17.155x^2 + 193.68x + 235.81 = 1000

17.155x^2 + 193.68x - 764.19 = 0

Which has coefficients a = 17.155, b = 193.68, c = -764.19, then:

\Delta = (193.68)^2 - 4(17.155)(-764.19) = 89950.66

x_{1} = \frac{-193.68 + \sqrt{89950.66}}{2(17.155)} = 3.1

x_{2} = \frac{-193.68 - \sqrt{89950.66}}{2(17.155)} = -14.3  

We want the positive root, so the number of teams is greater than 1000 after 3.1 years.

A similar problem is given at brainly.com/question/10489198

8 0
2 years ago
What is -12.6 as a simplified percent?
fenix001 [56]
-12.6 as a percent is -1260%
3 0
4 years ago
Simplify the expression. 6c − 8d + 3c + 4d
bixtya [17]

Answer:

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Step-by-step explanation:

6c − 8d + 3c + 4d

Combine like terms

6c + 3c − 8d +4d

9c -4d

8 0
3 years ago
Find the Area of the figure below, composed of a rectangle and a semicircle.
castortr0y [4]

Answer:

The answer is 20.

Step-by-step explanation:

10+12=22 round 22 to the nearest tenths and the answer is 20.

I hope is right.

7 0
2 years ago
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