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KonstantinChe [14]
3 years ago
9

Solve 4x(squared)+8x=0 X= X=

Mathematics
1 answer:
dangina [55]3 years ago
6 0

Answer:

X=0 and X=-2

Step-by-step explanation:

Move all terms to one side and set equal to 0. Then set each factor to 0 and solve.

X=0,-2

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Helpppppppppppppppppp
pshichka [43]

Answer:

19 units, left

Step-by-step explanation:

You can use a graphing tool or create a graph to show how these lines relate to one another. Then, count the units that have been translated and where the translation occurred.

4 0
3 years ago
5(- 3x - 2) - (x - 3) = -4(4x + 5) + 13
Vedmedyk [2.9K]

Answer:

0

Step-by-step explanation:

Let's solve your equation step-by-step.

5(−3x−2)−(x−3)=−4(4x+5)+13

Step 1: Simplify both sides of the equation.

5(−3x−2)−(x−3)=−4(4x+5)+13

5(−3x−2)+−1(x−3)=−4(4x+5)+13(Distribute the Negative Sign)

5(−3x−2)+−1x+(−1)(−3)=−4(4x+5)+13

5(−3x−2)+−x+3=−4(4x+5)+13

(5)(−3x)+(5)(−2)+−x+3=(−4)(4x)+(−4)(5)+13(Distribute)

−15x+−10+−x+3=−16x+−20+13

(−15x+−x)+(−10+3)=(−16x)+(−20+13)(Combine Like Terms)

−16x+−7=−16x+−7

−16x−7=−16x−7

Step 2: Add 16x to both sides.

−16x−7+16x=−16x−7+16x

−7=−7

Step 3: Add 7 to both sides.

−7+7=−7+7

0=0

6 0
3 years ago
A city map is laid out on a coordinate grid with City Hall at the origin. Each unit on the grid represents a distance of one cit
svetoff [14.1K]

Answer:

library to police

Step-by-step explanation:

3 0
3 years ago
The total spent on research and development by the federal government in the United States during 2002–2012 can be approximated
Gwar [14]

Answer:

28 billion dollars

Step-by-step explanation:

The total spent on research and development by the federal government in the United States during 2002–2012 can be approximated by

S(t) = 3.1 ln t + 22  billion dollars (2 ≤ t ≤ 12), where t is the year since 2000.

If t=6, that is, In the year 2006,

S(t) = 3.1 ln 6 + 22

=5.55+22=27.55

=28 billion dollars (To the nearest billion dollars)

In 2006, the federal government of the United States spent approximately $28 billion on research and development.

8 0
4 years ago
A group of middle school students were randomly chosen and asked about whether or not they will attend the school dance. Of thes
Stels [109]

Answer:

80 Students were surveyed.

Step-by-step explanation:

To find the answer we need to do a Rule of Three. The Rule of Three is a Mathematical Rule that will help us to solve problems based on proportions.

1. I know that a 65% of students are 52 students. I need to know how many students represent that 100%.

2. So if 52 students mean _____ 65%

             X students mean  _____ 100%

Pay attention here. We have to put the same elements in the same columns. Students with studients and percentage with percentage.

3. Now I have to cross these details. I have to multiple 52*100. So:

52*100= 5200

4. Then divide that result by 65.

5200/65= 80

5. So 80 is the total number of students surveyed.

3 0
3 years ago
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