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Naddik [55]
2 years ago
12

50 points helppppppppppppppppppppppppppppppppppppppppppppppp i need it fast

Mathematics
2 answers:
Neko [114]2 years ago
6 0

Answer:

area A = 5.25 cm²

area B = 5.25 cm²

area C = 5.25 cm²

Step-by-step explanation:

area of a triangle = 1/2 x base x height

area of A = 1/2 x 4.2 x 2.5 = 5.25 cm²

area of B = 1/2 x 4.2 x 2.5 = 5.25 cm²

area of C = 1/2 x 4.2 x 2.5 = 5.25 cm²

Triangles A, B and C have the same area as they all have the same measures of base and height.

Lapatulllka [165]2 years ago
5 0

All triangles in this shape have same area as they have same base length and height length.

  • area of triangle: 1/2 * base * height

Here the base is 4.2 cm and height is 2.5 cm for all the given triangles.

As a result, we can say that the area of \triangle A,  \triangle B,  \triangle C are equal.

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Is 7/8 a rational number
ohaa [14]

Answer:

true 7/8 is a rational number

6 0
2 years ago
HELPPP!!!!<br><br> What is one solution?<br> Eliminate any extraneous solutions.
olga nikolaevna [1]

Answer:

The correct answer is x= 4/5 because you cannot take the root of a negative number

4 0
2 years ago
A study of bone density on 5 random women at a hospital produced the following results.
IRINA_888 [86]

Answer:

- 0.9503 ; r is not statistically significant ; 0.9031

Step-by-step explanation:

Given the following :

Age (X) :

37

41

57

65

73

Bone density (Y)

355

345

340

315

310

Using the pearson R value calculator :

The r value of the data % - 0.9503.

This value depicts a very strong negative correlation between age and density of bone.

Using the pearson R calculator to obtain the P- value, the P value obtained is .01332 and hence the r is not significant at P < 0.01.

The Coefficient of determination R^2 can be obtained by getting the square value of R

R^2 = - 0.9503^2

R^2 = 0.90307009

R^2 = 0.9031

8 0
3 years ago
Hey does anyone know if you wet your phone charger and you put it in rice for how log your supposed to keep it in their?
yawa3891 [41]
For a day at least. 24 to 36 hours
8 0
3 years ago
Read 2 more answers
3 sin(x) + 3 = sin(x)
kumpel [21]

Answer:

no solution

Step-by-step explanation:

3 sin x+3=sin x

3 sin x-sin x=-3

2 sin x=-3

sin x=-3/2

which is impossible as |sin x|≤ 1

8 0
2 years ago
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