3 years ago

This graph shows which inequality?

Mathematics

1 answer:

musickatia [10]3 years ago

8 0

Answer:

C) t<=-4

Step-by-step explanation:

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Solve each system by substitution.<br>6) y = 2x - 3<br>y=-8x + 17

satela [25.4K]

Answer:

x=2

Step-by-step explanation:

Since they are both equal to y set them equal to each other: 2x-3=-8x+17

Subtract 17 from both sides: 2x-20=-8x

Subtract 2x from both sides: -20=-10x

Divide both sides by -10: 2=x

4 0

4 years ago

Read 2 more answers

A suspension bridge with weight uniformly distributed along its length has twin towers that extend 70 meters above the road surf

goblinko [34]

Answer:

17.5 m

Step-by-step explanation:

The height of a parabola above its vertex is proportional to the square of the distance from the vertex.

<h3>Cable height</h3>

The towers are 1200 m apart, so each is 600 m from center. The location of interest is 300 m from center, so 1/2 the distance to a tower. Since the height is proportional to the square of the distance, the height half-way to the tower will be (1/2)² = 1/4 the height of the tower.

(1/2)²×(70 m) = 17.5 m

The height of the cable 300 m from center will be 17.5 meters.