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In-s [12.5K]
3 years ago
9

2.4x-9.1x+12.5x=-39.44

Mathematics
2 answers:
ddd [48]3 years ago
7 0

Answer:

Step-by-step explanation:

Combine like terms:

5.8x = 39.44

Divide both sides by 5.8

Answer is -6.8

wolverine [178]3 years ago
5 0

Answer:

x =  - 6.8

Step-by-step explanation:

1. \: 5.8x =  - 39.44 \\ 2. \: x =  -  \frac{39.44}{5.8}  \\ 3. \: x =  - 6.8

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The reciprocal of two more than a number is three times the reciprocal of the number. find the number
vichka [17]
Let the number be x
reciprocal=1/x
2 more the reciprocal=1/2+x
but 1/2+x=3(1/x)
1/2+x=3/x
x=6+3x
x=-2
4 0
3 years ago
The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the
Sergio [31]

Answer:

5.18 pounds per square inch

Complete question:

If the pressure is 6 pounds per square inch when the temperature is 440° F,find  the pressure exerted when the temperature of the gas is 380°F.

Step-by-step explanation:

According to the Gay Lussac's Law:

\frac{P_1}{T_1} =\frac{P_2}{T_2}

where, P and T are the pressure and temperature of an enclosed ideal gas.

Given:

Initial pressure P_1 = 6 pounds per square inch

Initial Temperature T_1=440° F

Final Temperature T_2=380° F

Final Pressure P_2=?

Substituting all values in the formula

\frac{6}{440} =\frac{P_2}{380}

P_2 = \frac{6\times380}{440}

P_2= 5.18pounds per square inch

4 0
3 years ago
Help please quueens i need help
Mrac [35]

Answer:

x = 3

Step-by-step explanation:

We can use the following equation to solve for x:

315=9x-27+8x+24+5x-17+2x+23\\315=(9x+8x+5x+2x)+(-27+24-17+23)\\315=24x+3\\312=24x\\13=x

3 0
2 years ago
What is the radius of the cone ? I need help
Mariulka [41]

Answer:

4

Step-by-step explanation:

pi*r^2

just put each number where r is to find out the answer

7 0
4 years ago
Ned caught 1/3 pound of fish. Sarah caught 5/12 pound of fish. Jessica caught 1/6 pound of fish. How much fish did all three of
EastWind [94]

Answer:

They caught: 11/12 pounds of fish

Explanation:

First, you need to change them to the same common denominator. Since 3 and 6 already go into 12, you just have to change 1/3 and 1/6 to a denominator with 12.

First, you need to change 1/3 to 4/12. By doing that, you do 1/3x4/4=4/12.

You then have to change 1/6 to 2/12. By doing that, you do 1/6x2/2=2/12.

Then you just add up all the fractions and simplify 4/12+2/12+5/12=11/12.

You can't simplify 11/12 any further so your answer would be:

They caught 11/12 pounds of fish in total.

3 0
3 years ago
Read 2 more answers
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