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vampirchik [111]
2 years ago
5

How can you tell how many solutions a linear equation will have by looking at the equation?

Mathematics
1 answer:
Solnce55 [7]2 years ago
7 0

Answer:

A system of two equations can be classified as follows

Step-by-step explanation:

If the slopes are the same but the y-intercepts are different, the system has no solution. If the slopes are different, the system has one solution. If the slopes are the same and the y-intercepts are the same, the system has infinitely many solutions.

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Which are the solutions of x2 = –7x – 8?
Anit [1.1K]

Answer

x= -7, -1

Step-by-step explanation:

x^2= -7x- 8

x^2+ 7x+ 8 =0

x+7=0       x+1=0

x=-7          x=-1

3 0
3 years ago
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Micaela works in a department store selling clothing. She makes a guaranteed salary
marusya05 [52]

Answer:

the answer is 565

Step-by-step explanation:

20% of her 1075 is 215

so 215+ 230= 565

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2 years ago
Write the equation of a line that is parallel to y = 1/2 x + 5
kumpel [21]

Answer:

y = 1/2x + 5

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

When 2 lines are parallel, they have the same slope.

Step 1: Define variables

Random point (2, 6)

<em>m</em> = 1/2

y = 1/2x + b

Step 2: Find <em>b</em>

6 = 1/2(2) + b

6 = 1 + b

5 = b

Step 3: Rewrite parallel linear equation

y = 1/2x + 5

3 0
3 years ago
A factory found that 8% of its produced light bulbs are defective.
Anastaziya [24]

Answer:

40

Step-by-step explanation:

no. of defective light bulbs= 8/100×500

= 40

3 0
2 years ago
The price of milk has increased in year from rs.28 per liter to rs.32 per liter . find the percentage increase in the price....
Mice21 [21]

Answer:

14.28%

Step-by-step explanation:

<em>here's</em><em> your</em><em> solution</em>

<em> </em><em> </em><em>=</em><em>></em><em> </em><em>price </em><em>of </em><em>milk </em><em>before</em><em> </em><em>=</em><em> </em><em>₹</em><em>2</em><em>8</em>

<em> </em><em> </em><em> </em><em>=</em><em>></em><em> </em><em>price</em><em> of</em><em> milk</em><em> </em><em>after</em><em> </em><em>increasing</em><em> </em><em>=</em><em> </em><em>₹</em><em>3</em><em>2</em>

<em> </em><em> </em><em> </em><em>=</em><em>></em><em> </em><em>increased </em><em>in </em><em>price</em><em> </em><em>=</em><em> </em><em>₹</em><em>3</em><em>2</em><em> </em><em>-</em><em> </em><em>₹</em><em>2</em><em>8</em><em> </em><em>=</em><em> </em><em>₹</em><em>4</em>

<em> </em><em> </em><em> </em><em>=</em><em>></em><em> </em><em>now </em><em>,</em><em> </em><em>increased </em><em>percentage</em><em>=</em><em> </em><em>4</em><em>/</em><em>2</em><em>8</em><em>*</em><em>1</em><em>0</em><em>0</em>

<em> </em>

<em> </em><em>=</em><em>></em><em> </em><em>1</em><em>4</em><em>.</em><em>2</em><em>8</em><em>%</em>

4 0
2 years ago
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