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Goshia [24]
3 years ago
12

I need some helpppppppppppppp

Mathematics
2 answers:
kati45 [8]3 years ago
8 0
The answer is 0.65x+1.75=10
Vesna [10]3 years ago
7 0
I keep trying to post this answer. Maybe the screenshot will work

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Can someone help and give me a step by step explanation please?!
vitfil [10]

9514 1404 393

Answer:

  • ∠QSR = 78°
  • ∠SQR = 51°

Step-by-step explanation:

The measure of an inscribed angle (QTR) is half the measure of the arc it intercepts. The measure of an arc is the same as the measure of the central angle it intercepts. So, we have ...

  ∠QSR = 2×∠QTR

  ∠QSR = 2×39°

  ∠QSR = 78°

__

Sides SQ and SR are radii of circle S, so are the same length. That means triangle QRS is an isosceles triangle and the base angles SQR and SRQ are congruent. The sum of angles in a triangle is 180°, so we have ...

  ∠QSR + 2(∠SQR) = 180°

  78° + 2(∠SQR) = 180° . . . . fill in the value we know

  2(∠SQR) = 102° . . . . . . . . . subtract 78°

  ∠SQR = 51° . . . . . . . . . . . . .divide by 2

7 0
2 years ago
I reallyyy need help... this is due today And I don’t know how to do it
olga_2 [115]
The picture is super blurry so i can’t see anything
7 0
3 years ago
A chemist has a 100 gram sample of a radioactive
Nastasia [14]

Answer:

75

Step-by-step explanation:

did it 5 mins ago

3 0
2 years ago
Help me please !!!! (:
riadik2000 [5.3K]
3x=x+40
Subtract x from both sides
2x=40
Divide both sides by 2nto get x by itself
x=2
Plug 2 in for x
m∠4 = (3x)
m∠4 = 3(2)
Solve
m∠4 = 6
8 0
2 years ago
What is the equation of a parabola with vertex (0,0) and focus (0,4)?<br> Draw its graph on the grid
svp [43]
Focus of a parabola: 4p(y-k)=(x-h)^2 where vertex (h,k) p is the distance from vertex to focus
4*4(y-0)=(x-0)^2 \\ 16y=x^2 \\ y= \frac{1}{16}x^2

3 0
3 years ago
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