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sergey [27]
3 years ago
15

What is the value of Y

Mathematics
1 answer:
slavikrds [6]3 years ago
6 0
The 3 inside angles of a triangle need to equal 180 degrees.

 You are given 2 of the angles that are 60 degrees each

The total of the 2 angles you know is 60 + 60 = 120 degrees

 So y = 180 - 120 = 60 degrees


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The diagonal of a square are _
Elan Coil [88]

Answer:

D. perpendicular

Step-by-step explanation:

The sides of squares are congruent. The diagonal bisects it's angles .The diagonal are perpendicular bisector of each other.

4 0
3 years ago
Two cars leave towns 360 kilometers apart at the same time and travel toward each other. One car’s rate is 10 kilometers per hou
Goryan [66]

9514 1404 393

Answer:

  85 km/h

Step-by-step explanation:

Let s represent the speed of the slower car. Then the travel time is ...

  time = distance/speed

  2 = 360/(s +(s+10))

  4s +20 = 360 . . . . . multiply by 2s+10

  4s = 340 . . . . . . . . . subtract 20

  s = 85 . . . . . . . . . . . divide by 4

__

The rate of the slower car is 85 km/h.

8 0
4 years ago
Could you help me with this problem
Doss [256]

Answer:

For x

We use cosine

cos 45° = 2/x

After solving

x = 2√2

Since we have the value of x we use it to get the value of y

we use cosine

cos 60° = 2√2/y

y =2√2/cos 60

y = 4√2

We use Pythagoras theorem to find z

(4√2)² = (2√2)² + z²

z² = 32 - 8

z² = 24

z = √24

z = 2√6

Therefore x = 2√2

y = 4√2

z = 2√6

Hope this helps.

4 0
3 years ago
What is 400 divided by 1 million
Monica [59]

400 divided by 1 million can be given as:

400/1000000

finding gcf of 400 and 1000000

gcf of 400 and 1000000 is 400

dividing both numerator and denominator by 400 we get

1/2500

5 0
3 years ago
Read 2 more answers
A ball is thrown into the air. The height h, in feet, of the ball after x seconds is given by the function h = −16(x − 2)2 + 72.
Anon25 [30]

Answer:

A. -16x²+64x+8

B. 72 ft.

Step-by-step explanation: A. Expand the perfect square binomial -16(x²-4x+4)+72, dist. -16 (-16x²+64x-64+72), then combine like terms (-16x²+64x+8)

B. Find the abs. max. by looking back at the vertex form. The max is (2,72). Use the y-value for the height.

3 0
3 years ago
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