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Alina [70]
2 years ago
5

OD 2x - 4

Mathematics
1 answer:
densk [106]2 years ago
3 0
6x + 5 -4x -7
2 x - 2
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​Yesterday, Jack drove 33 and one half
borishaifa [10]

change each mixed number to an improper fraction

33 1/2 = (2*33 +1)/2 67/2

1 1/4 = (4*1+1)/4 = 5/4

67/2 divided by 5/4

copy dot flip

67/2 * 4/5

268/10

26 8/10

26 4/5 miles per gallon

3 0
3 years ago
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Please help!!<br> Each pair of polygons is similar. Find the value of x.
Simora [160]

Answer in fraction form: x = 55/4

Answer in decimal form: x = 13.75

Both forms are equivalent, but they say it in a slightly different way.

===========================================================

Work Shown:

AC/QY = CD/YW

(x+5)/15 = 5/4

4(x+5) = 15*5

4x+20 = 75

4x = 75-20

4x = 55

x = 55/4

x = 13.75

------------

Explanations:

  • The first step is possible because the polygons are similar. Similar figures have their corresponding sides be in the same proportion or ratio. Note how side AC has the double red angle (at point A) and a single red angle (point C). The side QY has the same idea in the same order. This is why AC corresponds to QY. The ratio AC/QY is the same as CD/YW.
  • In the second step, I plugged in the expressions that the diagram shows. This is the substitution property.
  • On step 3, I cross multiplied. The general format is A/B = C/D cross multiplies to A*D = B*C.
7 0
3 years ago
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Find the equation of the line that is parallel to y=2x+5 and contains the point (2, -4)
igomit [66]

Answer:

Step-by-step explanation:

y + 4  = 2(x - 2)

y + 4 = 2x - 4

y = 2x - 8

3 0
2 years ago
1) Solve 2 + 7x + 12 = 0 using factoring and the zero product property.
Kazeer [188]

Answer:

7x+14=0, 7x=-14, x= -2

Step-by-step explanation:

add like terms, then get x on one side, number on the other, then divide both sides by 7

4 0
3 years ago
Find the missing factor 2n^2(n-3)-4(n-3)=( )(n-3)
wariber [46]
Factoring the common factor (n-3) from the terms on the left side, that left-side expression becomes
  (2n^2-4)(n-3)

We presume your missing factor is
  (2n^2-4)
7 0
3 years ago
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