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Nimfa-mama [501]
3 years ago
6

What is the value of the function y= 3x – 1 when x= -1 ? -8 -4 02 6

Mathematics
1 answer:
netineya [11]3 years ago
7 0

Answer:

-4

Step-by-step explanation:

3(-1)-1     PEMDAS

-3-1=-4

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Find the area of the shaded region. Round the the nearest tenth.
Brums [2.3K]

Answer:

226.084 sq.m.

Step-by-step explanation:

Radius of circle = 18.6 cm

Area of sector = \frac{\theta}{360^{\circ} }\pi r^2

Area of sector = \frac{123}{360} \times 3.14 \times (18.6)^2

Area of sector = 371.157 m^2

Area of triangle = \frac{1}{2} \times a \times b \times Sin x

a = OA = radius = 18.6 cm

b = OB = radius = 18.6 cm

x =123 °

Substitute the values in the formula

Area of triangle = \frac{1}{2} \times 18.6 \times 18.6 \times Sin 123

Area of triangle = 145.073 m^2

So, Area of shaded region = Area of sector - Area of triangle

                                            =371.157 m^2-145.073 m^2

                                            =226.084 m^2

Hence the area of the shaded region is 226.084 sq.m.

5 0
3 years ago
5( x + 7) - 3 ( x - 4) = 7x + 2 what is x?
S_A_V [24]

Answer:

x=9

Step-by-step explanation:

5( x + 7) - 3 ( x - 4) = 7x + 2

Distribute

5x+35 - 3x +12 = 7x +2

2x +47 = 7x+2

Subtract 2x from each side

2x+47-2x =7x -2x+2

47 = 5x+2

Subtract 2 from each side

47-2= 5x+2-2

45= 5x

Divide by 5

45/5 =5x/5

9 =x

8 0
3 years ago
Read 2 more answers
Identity the type of sequence 4, -4, 4, -4
AveGali [126]

Answer:

Periodic

Step-by-step explanation:

Because the terms repeat, this is a periodic sequence.

7 0
2 years ago
Find the missing terms in the<br>sequence 27, ? , 23, ? , 19,...<br>good luck​
Vikki [24]
Is it subtract by 2? So I think it would be 27,25,23,21, 19
8 0
3 years ago
The Mason High Cougars need to win 3 out of the next 12 baseball games to make it to
natta225 [31]

Answer:

The percent for 3 out of 12 is 25%

If the total number of games was 100, the win amount would need to be 25.

Step-by-step explanation:

3 out of 12 is a fraction - 3/12

3/12 = 0.25 which means 25% because 0.25 is 25% of 1.

Using the same percentage for 100 total games, you just multiply 100 by 0.25, the decimal version of the percentage.

3 0
2 years ago
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