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almond37 [142]
3 years ago
14

−6>−30−4x−6>−30-4x. What's the inequality.

Mathematics
1 answer:
Ahat [919]3 years ago
7 0
     -6 > -4x - 30 - 6 > -4x - 30
     -6 > -4x - 36 > -4x - 30
  + 4x  + 4x          + 4x
4x - 6 > -36 > -30
    + 6     + 6    + 6
      4x > -30 > -24
       4      4        4
        x > -7.5 > -6
        0 > -x - 7.5 > -x - 6
     7.5 > -x > -x - 6
    -7.5 > x > x + 6

No solution.
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Rani has 160 DVDs 35 % of her DVDs are thrillers . 2/5 of her DVDs are comedies . The rest of her DVDs are science fiction . How
Tamiku [17]

Answer: 40

Step-by-step explanation:

Number of DVDs = 160

Thrillers = 35%

Comedies = 2/5 = 40%

Science fiction = 100 - (35 + 40) = 100 - 75 = 25%

The number of science fiction DVDs that Rani has will be:

= 25% × 160

= 25/100 × 160

= 40

5 0
3 years ago
A 7 kg ham costs $19/kg. Find the cost per pound.
stepan [7]

Answer: \$8.62/\text{Pound}

Step-by-step explanation:

Given

There is 7\ kg of ham available which costs

cost=\$\ 19/kg

i.e.

1\ kg\ \text{costs}\ \$19

and we know

1\ kg=2.204\ \text{pound}

So, 2.204\ \text{Pound costs}\ \$19

thus 1\ \text{Pound costs}\ \dfrac{19}{2.204}=\$8.62/\text{Pound}

4 0
3 years ago
9 5/9 - 6 5/6 simplify if necessary im in fifth grade so i dont do negative numerals yet. ...?
adell [148]
It is not as tough a problem as it seems to you. You can easily grasp the problem, once it is done,

9 5/9 - 6 5/6 = 86/9 - 41/6
                    = (172 - 123)/18
                    = 49/18
                    = 2 13/18

I hope that the simplification process is simple enough for you to understand. I also hope that this is the answer that you were looking for and the answer has actually come to your desired help.
3 0
3 years ago
In the rhombus, angle 1=9x, angle 2=y+x, and angle 3=15z. Find the value of each variable. The diagram is not to scale.
notka56 [123]
From the diagram, all three angles are 90° (Diagonals of a Rhombus)

Angle 1 = 9x = 90
⇒ 9x = 90
x = 90/9
x = 10


Angle 2 = y + x = 90
⇒ y + x = 90
since x = 10,
y + 10 = 90
y = 90 - 10
y = 80


Angle 3 = 15 z = 90
⇒ 15z = 90
z = 90/15
z = 6

Answer is Option C
<span>C. x = 10, y = 80, z = 6</span>
3 0
3 years ago
Light travels at a speed of about 1.86×105 miles per second. Suppose a space ship is able to travel at the speed of light. If th
tamaranim1 [39]

Answer:

The answer is 448 seconds

Step-by-step explanation:

4 0
3 years ago
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