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OlgaM077 [116]
3 years ago
11

In triangle ABC points M and N lie on sides AB and BC, respectively such that MN∥ AC . Segments AN and CM intersect at point K a

nd AK = KC. Prove that △ABC is isosceles.
Mathematics
1 answer:
svet-max [94.6K]3 years ago
8 0

Answer:

Try this solution, it consists of two parts (MN=8).

Step-by-step explanation:

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eric and sue buy some gifts for a friend. eric pays £3.50. they pay in the ratio 5:3 how much does sue pay?
kotegsom [21]

Answer:

£1.31

Step-by-step explanation:

Add 5 to 3, obtaining 8.  Then the amt tht Eric pays is 5/8 of the £3.50 total, and the amt tht Sue pays is 3/8 of the total.

Thus, mult. £3.50 by 3/8:

(3/8)(£3.50) = £1.31 (which has been rounded off from £1.3125).

7 0
3 years ago
How do you expand (4x+2)2
kifflom [539]

Answer:

=8x+4

Step-by-step explanation:

=2(4x+2)

a=2,b=4x,c=2

=2 x 4x + 2 x 2

Simplify- 2 x 4x + 2 x 2: 8x + 4

6 0
3 years ago
What do i need to do to answer both questions
Setler79 [48]
You need to solve and find the angle of the triangle
7 0
3 years ago
Read 2 more answers
Se sabe que el septimo termino de una progresion geometrica es 3 ya la razon es 1/2. Se desea saber cual es el valor del primer
AfilCa [17]

Respuesta:

192

Explicación paso a paso:

                       aₙ = a₁*rⁿ⁻¹

  • Hallando termino 1

           a₇ = 3

           r = 1/2    

          a₁ =  ?

                           a₁ =  aₙ / rⁿ⁻¹

                           a₁ = 3 / (1/2)⁷⁻¹

                           a₁ = 192

Verificación;

 n          aₙ    

 1       192

 2       96

 3       48

 4       24

 5        12

 6          6

 7          3           ✔

7 0
3 years ago
You use a line best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data
Veseljchak [2.6K]

Answer:

You can be reasonably and mostly towards the strong side of that it is close.

The correlation coefficient is a strong negative correlation, meaning it is most likely close.

Step-by-step explanation:

6 0
3 years ago
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