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ozzi
3 years ago
15

PLEASE HELP !!! help me solve 7th grade math

Mathematics
1 answer:
densk [106]3 years ago
7 0

Answer:

x=6

Step-by-step explanation:

5x-10=2x+8

subtract 2x on both sides

3x-10=8

add 10 on both sides

3x=18

x=6

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I need help what is y?
Darina [25.2K]

Answer:

y=-5.6

Step-by-step explanation:

2.5\left(y + \dfrac{2}{5} \right) =-13\\\\\textsf{divide both sides by 2.5} : y+ \dfrac{2}{5}=-5.2\\\\\textsf{subtract} \ \dfrac{2}{5} \ \textsf{from both sides} : y=-5.6

3 0
2 years ago
Choose all statements that accurately describe properties of parallel and perpendicular lines.
KatRina [158]

Incomplete question. I inferred you want to know the properties of parallel and perpendicular lines. Which I provided below.

<u>Explanation:</u>

In geometry, <em>parallel lines </em>are two lines that are <em>always </em><em>drawn at </em>the same distance apart and never touch each other. Parallel lines are usually denoted by the symbol ∥.

Here are some of their properties;

When a transversal intersects two parallel lines:

  • usually, the corresponding angles of the lines are equal.
  • vertically opposite angles are equal.
  • the alternate exterior angles are equal.

<em>Perpendicular lines</em><em> are two lines that </em><em>meet at a right angle (90 degrees) to each other.</em>

<em>Properties: </em>two lines that meet, implies all four angles are right angles.

5 0
3 years ago
An artist to no the area of a mural that is 1 and 3/4 by 2 and 5/8 what is the area in square yards
zheka24 [161]
What measurements are they asking it in

3 0
3 years ago
Can someone solve this? Thanks
xxTIMURxx [149]

Answer:

k = \frac{13}{2}

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

note the line crosses the y-axis at - 3 ⇒ c = - 3

y = 2x - 3 ← is the equation of the line

Since (k, 10) lies on the line then the coordinates of the point make the equation true.

substitute (k, 10) into the equation and solve for k

10 = 2k - 3 ( add 3 to both sides )

13 = 2k ( divide both sides by 2 ), hence

k = \frac{13}{2}


3 0
3 years ago
Evaluate the expression -k+h+kh if k=-5 and h= -2 don't forget order of operations PEMDAS
marin [14]
5-2+(-5*-2)
3+(10)
13...........




3 0
3 years ago
Read 2 more answers
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