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Savatey [412]
3 years ago
5

Simplify −31p+79>−59p+81

Mathematics
1 answer:
Aloiza [94]3 years ago
5 0
 1.1     Pull out like factors :

   28p - 2  =   2 • (14p - 1) 2.1    Divide both sides by <span> 2 

</span> 2.2    Divide both sides by  14  p-(1/14)  > 0 Add  1/14  to both sides<span>
 p > 1/14     </span>Inequality plot for<span>
28.000 X <span> - 2.000 > 0
</span></span> Answer : <span>p > 1/14</span>

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PLZ ANSWER<br><br> If y=2x-3 what is the value of x when y=1<br><br> -1<br> 1<br> -2<br> 2
topjm [15]

Answer:

first thing you gotta do is substitute x with -1 then you do the work first you gotta know your order of operation which is PEMDAS what that stands for is perentice exponent multiplication division addition and subtraction so then what you do first is 2*-1+3 2*-1=-2+3=1 and that is the answer you are WELCOME.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.
frutty [35]

Answer:

The length of the wire is 76.19 m.

Step-by-step explanation:

It is given that a guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

It means base of the right angled triangle is 40 m.

The wire makes an angle of 58deg 20min with the ground.

1 degree = 60 min

Using this conversion convert the given angle in degree.

58^{\circ}20'=58^{\circ}\frac{20}{60}^{\circ}=58\frac{1}{3}^{\circ}=\frac{175}{3}^{\circ}

In a right angled triangle

\cos \theta=\frac{adjacent}{hypotenuse}

\cos (\frac{175}{3}^{\circ})=\frac{40}{hypotenuse}

0.525=\frac{40}{hypotenuse}

hypotenuse=\frac{40}{0.525}

hypotenuse=76.190

Therefore the length of the wire is 76.19 m.

3 0
3 years ago
Lia brought 21 shirts and plants. Her total was $357. Pants cost $25 each, and shirts cost $14.50 each. How many of each item di
g100num [7]

Answer:

x=5 and y=16

Step-by-step explanation:

x = number of pants

y = number of shirts

Set up equations:

  1. 25x + 14.5y = 357
  2. x + y = 21

Set the equations up as a system:

25x+14.5y=357

x+y=21

Steps:

Solve the system by substitution.

(You can also solve this system by elimination.)

<em>25x + 14.5y=  357</em>

<em>x + y = 21</em>

Step 1: Solve x+y=21 for x:

(x + y) − y = (21) − y(Subtract y from both sides)

x = −y + 21

Step 2: Substitute −y + 21 for x in 25x + 14.5y = 357:

25x + 14.5y = 357

25(−y + 21) + 14.5y = 357

−10.5y + 525 = 357 (Simplify both sides of the equation)

(−10.5y + 525) − 525 = (357) − 525(Subtract 525 to both sides)

−10.5y =  −168

−10.5y / −10.5 = −168 / −10.5 (Divide both sides by -10.5)

y = 16

Step 3: Substitute 16 for y in x = −y + 21:

x = −y + 21

x = −16 + 21

x = 5 (Simplify both sides of the equation)

Answer:

x=5 and y=16

7 0
3 years ago
An item is priced at $13.24. If the sales tax is 5%, what does the item cost including sales tax?
cestrela7 [59]
B would be correct cause 5 percent would be .66
8 0
4 years ago
Read 2 more answers
Maya bought a new iphone case for $40. Now, it is on sale for $25. Find the percent of change in the
bulgar [2K]

Answer:

Step 1: $15

Step 2: 38%

Step-by-step explanation:

Step 1:

40 - 25 =15.

Therefore, the price would decrease by $15.

Step 2:

40 multiplied by .38 equals 24.80. You would round that up to 25. If you plugged in 37%, it would equal 25.20, which is over the price. Therefore the price decreased by 38%.

4 0
3 years ago
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