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jasenka [17]
3 years ago
8

PLS HELP PLS ITS TIMES ILL GIVEBRAINLIEST IF CORRECT HELP PLEASE!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Studentka2010 [4]3 years ago
3 0

Answer:

Its B, Black males over 21 years of age

olga55 [171]3 years ago
3 0

Answer:

b

Step-by-step explanation:

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Solve the system ... y=3x-8 and y=-9x+4
natita [175]
1] y - 3x = -8
[2] y + 9x = 4

-3x + y = -8 9x + y = 4

Solve equation [2] for the variable y


[2] y = -9x + 4

// Plug this in for variable y in equation [1]

[1] (-9x+4) - 3x = -8
[1] - 12x = -12
// Solve equation [1] for the variable x


[1] 12x = 12

[1] x = 1
// By now we know this much :

y = -9x+4
x = 1
// Use the x value to solve for y

y = -9(1)+4 = -5

{y,x} = {-5,1}
7 0
2 years ago
Which system has no solutions?
ale4655 [162]

Answer:

the answer is C. x<3 x<1 that is the answer

5 0
3 years ago
For the △ACD is shown below, select all the true statements. Lengths are rounded to the nearest tenth.
Nina [5.8K]

Answer:

1. No

2. No

3. Yes

4. Yes

Step-by-step explanation:

The diagram has been attached

The total angle in a triangle is 180°

<CAD=45°

<ACD=90°

Therefore <ADB=45°

1. ∠ADB = 30° no

ADC = 90 - 45 = 45

∠BDC = 90 - 65 = 25

∠ADB = 45 - 25 = 20

2.△ABD ∼ △ACD no going

by law of sines

3.CD = 33.7 centimeters => yes

4.BD = 37.2 centimeters => yes

3 0
3 years ago
COS I = sin 34°<br> What is the value of x?<br><br> Please help me or I will fail this class
Flura [38]
Not sure what we are solving, please eloborate on what you need solved, for now I can’t answer
3 0
3 years ago
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The volume of a cylinder is given by the formula <img src="https://tex.z-dn.net/?f=V%2B%20%5Cpi%20r%5E2h" id="TexFormula1" title
n200080 [17]
V = \pi  r^{2}h where r is radius and h is height

so when radius is (x+8) and height is (2x+3),

volume = \pi  (x+8)^{2}(2x+3)
4 0
3 years ago
Read 2 more answers
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