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butalik [34]
3 years ago
14

Four less than twice a number is fifty

Mathematics
2 answers:
Dvinal [7]3 years ago
6 0

Answer:

2a - 4 = 50

Step-by-step explanation:

Less than means that you subtract 4.

Twice a number just means that you multiply a number by 2.

And we know that all of that equals 50.

If you want to solve it..

2a - 4 = 50

    +4     +4

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

2a = 54

Divide both sides by 2. 54/2 = 27

a = 27

juin [17]3 years ago
3 0

Answer:

28

Step-by-step explanation:

50+4= 54

54/2=28

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What’s the question ?
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3 years ago
URGENT HOW MANY STUDENTS SPEAK SPANISH? and it isn’t 14 I tried that and it was wrong
Ray Of Light [21]

Answer:

46 students

Step-by-step explanation:

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3 0
3 years ago
What is the answer for 16 + b = a<br>​
Nitella [24]

Answer:

16

Step-by-step explanation:

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3 0
2 years ago
Line L is mapped onto the line t by a dilation centered at
STatiana [176]

The equation of line T is 2x - y = 7 ⇒ (6x - 3y = 21)

Step-by-step explanation:

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size

  • If the equation of a  line is ax + by = k is dilated, with center origin and scale factor k, then the equation of the image of the line is kax + kby = kc
  • The line and its image are parallel
  • The coordinates of a general point on the image is (kx , ky)

Line L is mapped onto the line T by a dilation centered at the origin and  a scale factor of 3.

That means lint T is the image of line L after dilation

∵ The equation of line L is 2x - y = 7

∵ Line L is dilated by scale factor 3 and centered at origin

- That means multiply the equation of line L by 3 to find the

   equation of line t

∵ Line T is the image of line L after dilation

∴ The equation of line T is (3)(2x) - (3)(y) = (3)(7)

∴ The equation of line T is 6x - 3y = 21

<em>Very important note:</em>

The equation of line T is the same with equation of line L but multiplied by the scale factor 3 ⇒ L and T are coincide lines (same line)

That means the equation of lines T and L is 2x - y = 7

The equation of line T is 2x - y = 7 ⇒ (6x - 3y = 21)

Learn more:

You can learn more about dilation in brainly.com/question/2480897

#LearnwithBrainly

7 0
3 years ago
Show the ratios are equivalent by simplifying any 4 of them.
aliya0001 [1]
When simplified all of them equal 3/1. They are asking you to just chose 4 of them. Hope that helps!
4 0
3 years ago
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