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Rom4ik [11]
3 years ago
5

Two cars started from the same point. one traveled north at 45 mi/h and the other traveled south at 65 mi/h. how far apart were

the cars after 3 hours?
Mathematics
1 answer:
Igoryamba3 years ago
4 0
They were 30mi away from each other 
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Ight let me get some help with Thai one
VikaD [51]

Answer:

76°

Step-by-step explanation:

The opposite angles of a parallelogram are equal, so if one angle is 76°, then the opposite angle will be the same.

I hope this helps!

4 0
3 years ago
Solve for x. <br> A) 11<br> B) 9<br> C) 6<br> D) 7
DIA [1.3K]

Answer:

Step-by-step explanation:

Angle  BCA is inscribed in that circle.  The rule is that the inscribed angle is half the measure of the arc it intercepts.  The arc it intercepts is arc AB which measures 96 degrees.  That means that

4x+4=\frac{1}{2}(96) and

4x + 4 = 48 and

4x = 44 so

x = 11

Choice A is the one you want.

8 0
3 years ago
The equation of line q is y = 1/3x-7Parallel to line q is liner, which passes through the
grigory [225]

Answer:

y =  \frac{1}{3} x - 10

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

Parallel lines have the same gradient. Hence the gradient of line r is \frac{1}{3}.

Susbt. m=\frac{1}{3},

y =  \frac{1}{3} x + c

To find c, substitute a coordinate.

When x=3, y= -9,

- 9 =  \frac{1}{3} (3) + c

-9= 1 +c

c= -9-1

c= -10

Thus the equation of line r is y =  \frac{1}{3} x - 10.

7 0
3 years ago
3(3w-4) = -20 Solve
Triss [41]

Exact Form: w = − 8 9 Decimal Form: w = − 0. ¯ 8

3 0
3 years ago
A half-filled cylindrical water tank has a water level of 20 feet high. The tank can hold 6000 cubic feet of water. Find the dia
Alecsey [184]

Answer:

D=13.8\ ft

Step-by-step explanation:

we know that

If the tank half-filled with water is at 20 feet, then the height of the tank is 40 feet

The volume of the cylindrical tank is equal to

V=\pi r^{2}h

we have

h=40\ ft

V=6,000\ ft^{3}

assume

\pi =3.14

substitute and solve for r

6,000=(3.14)r^{2}(40)

r^{2}=6,000/[(3.14)(40)]

r=6.9\ ft

Find the diameter

Remember that the diameter is two times the radius

D=6.9*2=13.8\ ft

7 0
3 years ago
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