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OleMash [197]
2 years ago
9

Which of the following expressions are equivalent to -19/8 x(-50)

Mathematics
1 answer:
dmitriy555 [2]2 years ago
5 0

1. Move the negative sign to the left.

-
\frac{19}{8}X*-50

2. Use this rule: \frac{a}{b}*\frac{c}{d}=\frac{ac}{bd}

-\frac{19x*-50}{8}

3. Simplify -  \frac{-950x}{8}

4. Move the negative sign to the left.

-(-950x/8)

5. Simplify 950x/8 to 475x/4

6. Remove parentheses.

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Please answer quick!!
timurjin [86]

Answer:

Sorry whats your question.

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3 years ago
bobs bill for dinner at surefire steak house was $45. in addition, he paid 5% of the bill in tax, and he left a tip for 15% of t
Alex787 [66]
I worked it all out. Hope this helps. Tell me if you need help.

4 0
3 years ago
Read 2 more answers
A radio disc jockey has 7 songs on this upcoming hours playlist: 2 are rock songs, 2 are reggae songs, and 3 are country songs.
masha68 [24]

Probability of a rock song would be 2/7 ( 2 rock songs out of 7 total songs)

Probability of a country song after that would be 3/6 (3 country songs out of 6 songs left) this can be reduced to 1/2

The probability of both = 2/7 x 1/2 = 2/14 = 1/7

7 0
3 years ago
To find the x-intercept, we let y = 0 and solve for x and to find y-intercept, we let x=0 and solve for y. Figure out the x-inte
Dima020 [189]

Answer:

<h2>         X-intercept: (2, 0) </h2><h2>         Y-intercept: (0, 6) </h2>

Step-by-step explanation:

X-intercept means y-coordinate of 0:

6x +2×0 = 12

6x = 12

  x = 2         ← x-coordinate

Y-intercept means x-coordinate of 0:

6×0 + 2y = 12

2y = 12

  y = 6         ← y-coordinate

3 0
3 years ago
Solve. Write the solution in interval notation. -2x&gt;-8 and -5x&lt;20.
Novosadov [1.4K]

Answer:

The interval notation of the solution is (-4 , 4)

Step-by-step explanation:

* Let us explain a very important point in solving inequality

- When you multiply or divide an inequality by negative number we

   must reverse the symbol of the inequality

- Ex:

∵ 2 < 3

- If we multiply the both sides of the inequality by -1, then the

  inequality will be -2 < -3 and this is completely wrong, so we must

  reverse the symbol of the inequality

∴ -2 > -3

* Now let us solve the problem

∵ -2x > -8

- Divide both sides by -2 and remember to reverse the symbol of the

  inequality

∴ x < 4

∵ -5x < 20

- Divide both sides by -5 and remember to reverse the symbol of the

  inequality

∴ x > -4

- From both solutions

∴ -4 < x < 4

∴ The solution is {x : -4 < x < 4}

- Interval notation is a way of writing the solutions of inequalities

 ( , ) if x does not equal the end numbers

 [ , ] if x equals the end numbers

 [ , ) , ( , ] if x equals one of the two end numbers

* The interval notation of the solution is (-4 , 4)

4 0
3 years ago
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