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svet-max [94.6K]
3 years ago
11

20 20 PTS ,.,.,.,.,.,,

Mathematics
2 answers:
larisa86 [58]3 years ago
7 0
It’s number 2 I think
Nataliya [291]3 years ago
4 0

Answer:

number 2 i think

Step-by-step explanation:

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Can u please help with problem 1. (ONLY IF YOU KNOW)
Flura [38]
Is the question number 2 you need help
3 0
4 years ago
Read 2 more answers
Solve the equation 8 sin x = 2.5 for<br> the interval 0° to 720°
IgorC [24]

Answer:

<em>18.2°, 161.8° and 378.2°</em>

Step-by-step explanation:

Given the expression:

8 sin x = 2.5

Divide both sides by 8

sinx = 2.5/8

Sinx = 0.3125

x = arcsin(0.3125)

x1 = 18.2

Since sin theta is positive in the second quadrant, x2 = 180 - 18.2 = 161.8°

Since our angle must lie in between  0° and 720°,then;

x3 = 360 + 18.2 = 378.2°

<em>Hence the required angles are 18.2°, 161.8° and 378.2°</em>

4 0
3 years ago
For a two way frequency tables the variables can be found
34kurt

Answer: C. Along the rows and columns .

Step-by-step explanation:

3 0
4 years ago
The length of the tunnel is 460miles. If 1 inch represents 60 miles what is the length of the tunnel?
kotegsom [21]

Answer:

The length of the tunnel is 7.66667 inch

Step-by-step explanation:

We are given

1 inch =60 miles

now, we can find for 1 mile

so,

60 miles = 1 inch

we get

1mile=\frac{1}{60}inch

we are given

total length is 460 miles

so, we can multiply both sides by 460

460\times 1mile=460\times\frac{1}{60}inch

now, we can simplify it

460miles=7.66667inch

So,

The length of the tunnel is 7.66667 inch

5 0
3 years ago
Desiree writes songs for her band her first song is 3 1/2 minutes long her second song is one 1/2 times as long as her first son
vesna_86 [32]

Answer:Number of minutes of second  Song = 5 1/4 minutes

Number of minutes of third   Song =3 1/2  minutes

Step-by-step explanation:

Number of minutes of First Song = 3 1/2 minutes

Number of minutes of second  Song = one 1/2 times as long as her first

= 1 1/2 X 3 1/2 minutes

3/2 X 7/2

21/4 = 5 1/4 minutes

Number of minutes of third   Song = 2/3 times as long as her second song

2/ 3 x 5 1/4

= 2/3 x 21/4 =42/12

Dividing the numerator and denominator by 3 to reduce the fraction

42/ 12 / 3/3 = 14/4

14/4 = 3 2/4 = 3 1/2  minutes

5 0
3 years ago
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