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fiasKO [112]
3 years ago
11

Pls answer 13 b ill mark u brainlist

Mathematics
1 answer:
gladu [14]3 years ago
5 0

Answer:

7 students

Step-by-step explanation:

1+2+4=7students

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Cho Q(x)=x^2+mx-12.Biết Q(-3)=0.tìm nghiệm còn lại
Pachacha [2.7K]

Answer: m=-1.

Step-by-step explanation:

Q(x)=x^2+mx-12\ \ \ \ Q(-3)=0\ \ \ \ \ m=?\\Q(-3)=(-3)^2+m*(-3)-12=0\\9-3m-12=0\\-3m-3=0\\3m=-3\ |:3\\m=-1.

3 0
2 years ago
What is the value of x?<br> 52°<br> 93°<br> (x + 3)<br> 78°
gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

Step One

Find the exterior angle connected to the 93 degree angle. It is also a supplement to 93. Supplementary angles add to 180. Call the exterior angle y

93 + y = 180          Subtract 93 from both sides

y = 180 - 93

y = 87

Step two

Add all the exterior angles. They equal 360

x + 52 + 87 + x + 3 + 78 = 360    Combine the like terms

Step 3

Solve the equation

2x + 220 = 360                            Subtract 220 from both sides

2x  = 360 - 220

2x = 140                                        Divide by 2

x = 70

I don't see that anywhere, but I'm pretty sure I'm right.

4 0
3 years ago
Show any calculations, including 180 degrees, go step by step pls.​
ICE Princess25 [194]

Answer:

<em>120°, 120°, 60°, 60°</em>

Step-by-step explanation:

m∠1 = 180° - 60° = 120°

m∠1 = m ∠2 (alternate interior)

m∠3 = 60° (vertical to given angle)

m∠4 = m∠3 (alternate exterior)

5 0
3 years ago
Need help solving this math question?
omeli [17]
I am so sorry but I can’t see the question because if the glare on it
4 0
3 years ago
Find q. Write your answer in simplest radical form.
yawa3891 [41]

Answer:

q=90 units.

Step-by-step explanation:

5 0
3 years ago
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