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KiRa [710]
3 years ago
15

Can y’all please solve this

Mathematics
1 answer:
Wittaler [7]3 years ago
8 0
A). The answer is x = -4
Work:
3 - x = 11 + x
3 - x - 3 = 11 + x - 3
-x = x + 8
-x - x = x + 8 - x
-2x = 8
-2x/-2 = 8/-2
Answer: x = -4

B). The answer is x = 6
Work:
2x + 7 = 3x + 1
2x + 7 = 3x + 1 - 7
2x = 3x - 6
2x - 3x = 3x - 6 - 3x
-x = -6
-x/-1 = -6/-1
Answer x = 6

C). Answer: x = 4/3
Work:
8 - 2x = 4 + x
8 - 2x - 8 = 4 + x - 8
-2x = x - 4
-2x - x = x - 4 - x
-3x = -4
-3x/-3 = -4/-3
Answer: x = 4/3

D). Answer: x = 2
Work:
4x + 2 = 2x + 6
4x + 2 - 2 = 2x + 6 - 2
4x = 2x + 4
4x - 2x = 2x + 4 - 2x
2x = 4
2x/2 = 4/2
Answer: x = 2
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(08.05 MC) The box plot below shows the number of years that 12 schools have participated in an interschool swimming meet: A box
bearhunter [10]

Answer:

20% of the total schools participated for 6 years or more. This is because the part of the box plot wherein it hits 6 years and above is 20%. Thus, if there are 20 schools, then 20% of it would be 4. In conclusion, there are 4 schools that participated for 6 years or more.

Step-by-step explanation:

7 0
2 years ago
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How do I solve this?
ruslelena [56]
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3 0
3 years ago
Which of these are quadratic function(s)? (Select all that apply).
Nikolay [14]
A. y(y+4)-y=6
y^2+4y-y-6=0
y^2+3y-6=0

B. (3x+2)+(6x-1)=0
3x+2+6x-1=0
9x+1=0

C. 4b*b=0
4b^2=0

D. 3a-7=2(7a-3)
3a-7=14a-6
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The answers: A, C

Greetings from Poland :)
4 0
3 years ago
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If the vault of y varies directly with x and y =-8 when x=4 find y when x =-4
Aloiza [94]

Solution;

\begin{gathered} y\propto x \\ y=kx \end{gathered}\begin{gathered} When\text{ y=-8 and x=4;} \\ -8=4k \\ k=-\frac{8}{4}=-2 \end{gathered}\begin{gathered} When\text{ x=-4, y=?} \\ y=-2(-4) \\ y=8 \end{gathered}

Answer;

y=8

8 0
1 year ago
An athlete wants to supplement his daily diet with beef and plant proteins. The content of iron, calcium, and vitamins (in milli
victus00 [196]

Total spoon required is mentioned in the Attachment.

Step-by-step explanation:

  • Clustered column bar graph used.
  • each 18 milligrams divide by the data provided
  • beef is blue label
  • plant is orange labelled.
  • Microsoft office used Iron,Calcium and Vitamins in column
  • Microsoft office used Beef in one row.
  • Microsoft office Plant used in 2nd row.
  • Chart title, Axis title and design changed.
  • Bar graph is better interpretation for three columns.

4 0
4 years ago
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