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mihalych1998 [28]
3 years ago
10

the area of a certain rectangle is 288 square yards the perimeter is 68 yards if you double the length and width what will be th

e area and perimeter of the new rectangle​
Mathematics
1 answer:
Ivenika [448]3 years ago
7 0

Answer:576 by 136

Step-by-step explanation:

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If the relationship between distance y in feet and time x in seconds is proportional, which rate is represented by y/x = 0.6.
irina1246 [14]
Y/x = ft/time = 

A) 3/5 = 0.6
B)  3/9 = 1/3 = 0.67
C) 10/6 = 5/3 = 1.67
D) 18/3 = 6

Therefore A is the correct answer.
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4 years ago
If the temperature is seven degrees below zero, what does it look like in number form. I need to show the work
Fantom [35]
-7<span>° F

There is really no work to be shown unless you do:

0-7=-7
-7</span><span>° F</span>
8 0
3 years ago
Área and volume <br><br> Length: 19-1/2' and width 66-3/8'
goblinko [34]

Answer:

the area is -155/8

Step-by-step explanation:

can't tell you what the volume is because  there is no height to solve volume

3 0
4 years ago
Which is an equation in point-slope form for the given point and slope?<br> Point: (7, 4) Slope: 6
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Y - 4 = 6 (x - 7) is the correct equation
4 0
3 years ago
Read 2 more answers
A gas cylinder contains 1.00 mol He, 1.90 mol Ne, and 1.10 mol Ar. If the total pressure in the cylinder is 2250 mmHg, what is t
Tcecarenko [31]

Answer:

P_he = 562.5 mmHg

P_ne = 1068.75 mmHg

P_ar = 618.75 mmHg

Step-by-step explanation:

Formula for partial pressure is;

Partial pressure = mole fraction × total pressure

Mole fraction of Helium(He); x_he= 1/(1 + 1.9 + 1.1) = 1/4 = 0.25

Mole fraction of Neon(Ne); x_ne = 1.9/(1 + 1.9 + 1.1) = 1.9/4 = 0.475

Mole fraction of argon; x_ar = 1.1/(1 + 1.9 + 1.1) = 1.1/4 = 0.275

Thus;

Partial pressure of He;

P_he = 0.25 × 2250

P_he = 562.5 mmHg

Partial pressure of Ne;

P_ne = 0.475 × 2250

P_ne = 1068.75 mmHg

Partial pressure of Ar;

P_ar = 0.275 × 2250

P_ar = 618.75 mmHg

5 0
3 years ago
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