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mariarad [96]
2 years ago
6

How many solutions does this system have? Y= 3x+2 Y= 3x-6

Mathematics
2 answers:
postnew [5]2 years ago
5 0

Answer:

No solutions

Step-by-step explanation:

I just did it on Khan Academy.

Anika [276]2 years ago
3 0

Answer:

None

Step-by-step explanation:

They have the same slope so they are parallel and will never intersect.

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(7/6)3y+15=(49/36)4y
Doss [256]

Answer:

y=54/7

Step-by-step explanation:

8 0
2 years ago
3/5x 22= 28 solve evuation
MariettaO [177]
3/5x + 22 = 28
-22. -22
3/5x = 6
(5/3)(3/5)x = 6 × (5/3) multiply by the reciprocal
x = 6 × (5/3) -------------> 6 and 3 can be simplify so it will be x = 2 × 5 = 10

check
3/5 (10) + 22 ---> 3 × 2 + 22
28 = 28 ✔
7 0
3 years ago
Not right answer... Help
Igoryamba

Answer: -6

Step-by-step explanation:

3 0
3 years ago
A student's course grade is based on one midterm that counts as 15% of his final grade, one class project that counts as 15% of
kow [346]

Answer:

Overall final score = 77.75% ; Grade = C.

Step-by-step explanation:

The approach to solve this question is to realize that the marks have to be converted into the respective percentages of the whole course. This means that the marks of all the components have to be normalized according to the grading breakdown.

Project Marks = 97/100. Weightage = 15%. So 97*15/100 = 14.55/15.

This means that the student received 14.55 marks in the project out of 15.

Similarly for other components:

Mid-Term Marks = 83/100. Weightage = 15%. So 83*15/100 = 12.45/15.

Homework Marks = 82/100. Weightage = 35%. So 82*35/100 = 28.7/35.

Finals Marks = 63/100. Weightage = 35%. So 63*35/100 = 22.05/35.

After the conversion process, add up the normalized marks, which are now acting as the percentages earned in all the components.

Aggregate Percentage = 14.55 + 12.45 + 28.7 + 22.05 = 77.75%.

According to the grade scale, the student receives a C because 70 is less than 77.75 and 77.75 is less than 80.

Summarizing, the student receives a C at 77.75%!!!

7 0
3 years ago
How do you determine a scale factor for two similar figures? <br> 15 points
mr_godi [17]

the scale factor or ratio of two similar figures, will be the same as the ratio of their perimeter, or even the ratio of two corresponding sides.


for example, we have say, an irregular octagon with a perimeter of say 13, and a similar octagon with a perimeter of 39, then


\bf \cfrac{\textit{small octagon}}{\textit{large octagon}}~\hspace{5em}\cfrac{perimeter}{perimeter}\implies \cfrac{13}{39}\implies \stackrel{simplified}{\cfrac{1}{3}}~\hfill \stackrel{\textit{scale factor}}{1:3}


which is another way to say, the smaller is 1/3 of the larger one, or the larger one is 3 times as the smaller one.

4 0
3 years ago
Read 2 more answers
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