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MakcuM [25]
3 years ago
15

-14x > -3 do I do the 14 or the 3 first?​ because all I have to do is to simplify what it is

Mathematics
1 answer:
Nataliya [291]3 years ago
6 0

<em><u>Answer:</u></em>

x < 3/14

<em><u>Step-by-step explanation:</u></em>

<em><u>(It doesn't matter which one you do first)</u></em>

So basically, solving -14x > -3, we want to get rid of the negative right? so when we divide both sides by -1, we get 14x > 3. HOWEVER, you actually have to switch the greater than symbol to a less than:

14x < 3. Then we can divide both sides by 14:

x < 3/14

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Determine the dimensions of the screen of a 42-inch TV with a 4:3 aspect ratio.
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For this case, the first thing you should do is know that the measurement of a television is given by the diagonal of the television.

Therefore, to find the value of x, we use the Pythagorean theorem.

We have then:

(3x)^2+(4x)^2=42^2

Rewriting we have:

25x ^ 2 = 1764\\x = \sqrt {\frac {1764} {25}}\\x = \sqrt {70.59}\\x = 8.4

Then the dimensions are given by:

4x = (4 * 8.4) = 33.6\\3x = (3 * 8.4) = 25.2

Answer:

the dimensions of the screen are: 33.6* 25.2

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3 years ago
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Which of the following numbers is between -3/4 and 5/8?<br> a.-1<br> b.-1/2<br> c.7/8<br> d.0.9
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-3/4 = -0.75
5/8 = 0.625

-1/2 and 0.9 are between them
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ozzi

Answer:

The given table is

Hours.    Earnings per hour.

  0

  4

  8

 12

Now, the unit rate is $8.25 per hour, according to the proble, this is the constant ratio of change, that means, we only need to multiply the number of hours with the unit rate.

0 \times 8.25=0\\4 \times 8.25= 33\\8 \times 8.25=66\\12 \times 8.25 = 99

<h3>Therefore, the complete table is</h3>

Hours.    Earnings per hour.

  0                     0

  4                      33

  8                     66

 12                      99

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3 years ago
What IS the value of z?<br> Enter your answer In the box.
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wow are kidding me?

23°

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A sign company charges $28 per yard for each custom made banner. Ms. Gill orders two banners that are each 1 7/8 yards yards lon
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Answer:

$896

Step-by-step explanation:

We are given that

Charge of 1 yard for each custom-made banner=$28

Length of 1 piece=15 yards

Length of another piece=2 yards

We have to find that how much money payed by Ms.Gill for all three banners.

According to question

Cost of 15 yards long banner=$420

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Total cost of 3 piece of banners=840+56=$896

Hence, Ms gill pay for all three banners=$896

Your Welcome;)

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