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bogdanovich [222]
3 years ago
8

Four more than seven times a number is the same as twenty less than three times the number. Find the number

Mathematics
1 answer:
photoshop1234 [79]3 years ago
8 0

Answer:

-6

Step-by-step explanation:

7x +4=3x-20

4x=-24

x= -6

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What is the solution to the equation StartFraction y Over y minus 4 EndFraction minus StartFraction 4 Over y + 4 EndFraction = S
Citrus2011 [14]

Answer:

Step-by-step explanation:

Given:

(y/y - 4) - (4/y + 4) = 32/y^2 - 16

Note y^2 - 16 = (y - 4 ) × (y + 4)

Multiplying the equation; both sides by y^2 - 16,

y (y + 4) - (4(y - 4)) = 32

y^2 + 4y - 4y + 16 = 32

y^2 = 32 - 16

Squaring both sides,

y = sqrt(16)

= 4

8 0
3 years ago
Read 2 more answers
2. In the circle graph above, you can see that 47% of the company's monthly income is used to pay the owner's personal salary. I
Lerok [7]
So whe have \frac{47}{100} that is paid to the boss.

The boss won 2,176.10 this month. \frac{2,176}{x}
So our equation would end as...
\frac{47}{100}=\frac{2,176}{x}

We solve what can be solved...
0.47=\frac{2,176}{x} 

Then we leave our unknown value alone...
0.47x=2,176
x=\frac{2,176}{0.47} 

Last we solve...
x= 4,629.79
x≈4,630

So the answer is A.
8 0
4 years ago
(<img src="https://tex.z-dn.net/?f=%28%5Csqrt%7B6%7D%20%2B%5Csqrt%7B3%7D%29%28%5Csqrt%7B2%7D-2%29" id="TexFormula1" title="(\sqr
Marta_Voda [28]

Answer:

-2.453

Step-by-step explanation:

sqrt(6) * sqrt(2) = 3.461

sqrt(6) * -2 = -4.899

sqrt(3) * sqrt(2) = 2.449

sqrt(3) * -2 = -3.464

sum of numbers equals

-2.453

7 0
3 years ago
The radius of a cylindrical water tank is 5.5ft, and its height is 13ft. What is the volume of the tank?
svetlana [45]

Answer:

The volume of the tank is 1235ft³

Step-by-step explanation:

To calculate the volume of a cylinder we have to use the following formula:

v = volume

h = height = 13ft

π = 3.14

r = radius = 5.5ft

v = (π * r²) * h

we replace the unknowns with the values we know

v = (3.14 * (5.5ft)²) * 13ft

v = (3.14 * 30.25ft²) * 13ft

v = 94.985ft² * 13ft

v = 1234.805ft³

Round to the nearest whole number

v = 1234.805ft³ = v = 1235ft³

4 0
3 years ago
Compute and simplify.<br> 17/1/12/29
Rudiy27

Answer:

0.049

Step-by-step explanation:

17÷1=17

17÷12=1.42

1.42÷29=0.049

3 0
3 years ago
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