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Nata [24]
3 years ago
7

Which of the equations below represents a line parallel to the x-axis

Mathematics
1 answer:
denis23 [38]3 years ago
3 0

Answer:

D.

Step-by-step explanation:

a line that is y= is always horizontal.

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You will be hot as shet

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3 years ago
A secant and a tangent to a circle intersect in a 42-degree angle. The two arcs of the circle intercepted by the secant and the
Amanda [17]

Answer:

The measure of the third arc is 150\°

Step-by-step  explanation:

step 1

we know that

The measurement of the external angle is the semi-difference of the arcs which comprises

in this problem

Let

x----> the greater arc of the circle intercepted by the secant and the tangent

y----> the smaller arc of the circle intercepted by the secant and the tangent

42\°=\frac{1}{2}(x-y)

84\°=(x-y) ----> equation A

\frac{x}{y}=\frac{7}{3}

x=\frac{7}{3}y -----> equation B

Substitute equation B in equation A and solve for y

84\°=(\frac{7}{3}y-y)

84\°=(\frac{4}{3}y)

y=3*84\°/4=63\°

Find the value of x

x=\frac{7}{3}(63\°)=147\°

step 2

Find the measure of the third arc

Let

z------> the measure of the third arc

we know that

x+y+z=360\° -----> complete circle

substitute the values and solve for z

147\°+63\°+z=360\°

z=360\°-(147\°+63\°)=150\°

3 0
3 years ago
Help pls if you do something that doesn't make sense I'll report you​
SpyIntel [72]

Answer:

Step-by-step explanation:

E) 5=y

F) x=1.3

G) n=5

H) 5=f

Hope this helps

8 0
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allochka39001 [22]

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First you do the one in the parentheses: 4 - 6 = -2

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6. Jennifer wants to purchase rice ($14) and
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She can get 4 pizzas

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