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2 years ago

9

Traffic lights at three different junctions show green light at intervals of 10 seconds, 12 seconds and 15 seconds. They all sho

w green at 1:00 p.m. At what time will they show again green together?

1 answer:

Flauer [41]2 years ago

6 0

Answer:

it will show afain at 19 seconds

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If f(x) = -4x^2 - 6x - 1 and g(x) = -x^2 - 5x + 3, find (f + g)(x).

Flauer [41]

Answer:

-5 $x^{2}$ -11x+2

Step-by-step explanation:

-4 $x^{2} \\$ -6x-1- $x^{2}$ -5x+3=-5 $x^{2}$ -11x+2

7 0

3 years ago

What is this answer???

wlad13 [49]

Answer:

∠ ABC = 116°

Step-by-step explanation:

Since the angles are supplementary, they sum to 180° , that is

8x - 36 + 4x - 12 = 180

12x - 48 = 180 ( add 48 to both sides )

12x = 228 ( divide both sides by 12 )

x = 19

Then

∠ ABC = 8x - 36 = 8(19) - 36 = 152 - 36 = 116°

5 0

2 years ago

Compared to its 'parent' function f(x)=x^2, describe the changes if f(x)=-x^2-3

Morgarella [4.7K]

Answer:

It is inverted and shifted down 3 units.

Red is f(x) = x^2

Purple is f(x) = -x^2 -3

Step-by-step explanation:

5 0

3 years ago

Jessica picks tomatoes in her garden. She fills several bags. This line plot shows the weight of each bag.

Strike441 [17]

Answer:

3/4 lb

Step-by-step explanation:

Lightest: 3 3/4

Heaviest: 4 1/2 = 4 2/4

4 2/4 - 3 3/4 = 18/4 - 15/4 = 3/4

3 0

2 years ago

Read 2 more answers

What is the answer for this -6+x=-11

Mars2501 [29]

Answer:

x = -5

Step-by-step explanation:

-6 + x = -11

x = -11 + 6

x = -5

8 0

2 years ago

Read 2 more answers