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tia_tia [17]
3 years ago
13

Wich systems of equations would have NO solution? (Answer with work for branliest)

Mathematics
1 answer:
Ierofanga [76]3 years ago
5 0
  • for 1st

comparing value

3x+2=-3x-2

6x=-4

x=-4/6Have solution.

  • for 2nd.

y=-2x+10

y=-2x+10

both are equal <u>So</u><u> </u><u>no</u><u> </u><u>solution</u><u>.</u>

3rd

y=-x+4

y=-x+4

<u>both are equal So no </u><u>solution</u>

4th

3x+y=8

3x+y=9

both are equal <u>So no solution</u>

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Help with number 5....
Murrr4er [49]
Alice is correct. If she multiplies the dividend and divisor by 4, the divisor becomes 1.

That one is true because if you multiply the divisor by 4, it becomes 0.25*4 = 1.
Of course, you can't multiply the divisor without multiplying the dividend.

So 15.5 / 0.25 = (15.5 * 4) / (0.25 * 4) = 62 / 1

And we know that if you divide a number by 1, the answer is that number.

so 62/1 = 62.

Which means that Alice found the quotient without even dividing based on Answer C.

Hope this helps! :)
5 0
3 years ago
If 17 people voted for Jason as Vice President and 8 people voted for Karen as Vice President, what is the percent of votes for
german

Answer:

Jason's percentage is 68%

We end up getting 32% for Karen.

Step-by-step explanation:

First, we need to get the total amount of votes.

17 + 8 = 25.

25 is the total amount of votes. If Jason had got 17/25 votes we can do 2 steps to get his percentage. We can simply divide 17 by 25, or we can multiply the numerator and denominator by 4. We end up getting 68/100.

So Jason's percentage is 68%

Now we do Karen. 8/25 people voted for her, so we can again, do two ways to solve this. One way is dividing 8 by 25, another way is to multiply both the numerator and denominator by 4 because we want it out of 100.

We end up getting 32% for Karen.

8 0
3 years ago
Read 2 more answers
Can someone give me an example of transformation of electrical to mechanical energy
astra-53 [7]

Answer:

i need this for a challenge

Step-by-step explanation:

8 0
3 years ago
At the beginning of an environmental study, a forest covered an area of 1500 km². Since then, this area has decreased by 5.8% ea
Oliga [24]

Area covered by the forest in the beginning = 1500km²

Decrease in area each year = 5.8% = 5.8/100 × 1500 = 87km²

Decrease in the area of the forest in <em>t</em> years = 87t

Area of forest now = y

y = 1500 - 87t

7 0
3 years ago
How many six digit numbers can be created using 8, 0, 1, 3, 7, and 5 if each number is used only once?
dem82 [27]
Dang if not digit is used more than once then i go with 720 :)
4 0
3 years ago
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