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Veseljchak [2.6K]
3 years ago
9

15 POINTS

Mathematics
1 answer:
AlexFokin [52]3 years ago
7 0
Plane UVW and plane XTS
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In need of help! find the value of x
DaniilM [7]
∆= 180°
180°-(62°+58°)= ?
180°-120°=60°

a line = 180° on both sides.
180°-60°=X
120°=X
3 0
3 years ago
Mary is making some shirts for her school's drama department. The fabric store has 3 1/6 yards of the fabric she wants in stock.
gulaghasi [49]
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4 0
3 years ago
The radius of Earth is about 3,980 miles. What expression can be used to find the approximate diameter of Earth?
Tatiana [17]
To find the diameter, you use the formula: 2x. we use 2x because the radius is 2 times the diameter.

so, if the radius is 3,980, then we substitute that into the formula.

2(3,980)

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3 0
3 years ago
27 as 3 to a power.
dolphi86 [110]
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6 0
2 years ago
Determine the domain of the function f(x)=1/3x^2+10x+8
cricket20 [7]
The function is
f(x) = (1/3)x² + 10x + 8

Write the function in standard form for a parabola.
f(x) = (1/3)[x² + 30x] + 8
      = (1/3)[ (x+15)²- 225] + 8
      = (1/3)(x+15)² -75 + 8
f(x) = (1/3)(x+15)² - 67

This is a parabola with vertex at (-15, -67).
The axis of symmetry is x = -15
The curve opens upward because the coefficient of x² is positive.
As x -> - ∞, f -> +∞.
As x -> +∞, f -> +∞
The domain is all real values of x (see the graph below).

Answer: The domain is (-∞, ∞)

8 0
3 years ago
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