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slava [35]
3 years ago
5

32.54 = 4.313805 + 0.3012446(x)

Mathematics
1 answer:
Ghella [55]3 years ago
7 0

32.54=4.313805+0.3012446(x)

x=

\frac{32.54 - 4.313805}{0.3012446}

x= 93.698592439499

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Use the substation to solve the system of equations. Y=x+1.75 4x-2y=4
beks73 [17]
So we need to plug in y into our equation so our new equation is:

4x - 2(x+1.75) = 4

first lets distribute the 2 by multiplying the values inside the parentheses by 2

4x - 2x + 3.5 = 4

4x - 2x = 2x

so now our equation is 2x + 3.5 = 4

we need to get x by itself on one side of the parentheses so lets move the 3.5 by subtracting by 3.5 on both sides

2x + 3.5 = 2x
4 - 3.5 = .5

new equation: 2x = .5

now to get rid of this 2 (being multiplied by x) we simply have to do the opposite - divide by 2 on each side

2x/2 = x
.5/2 = .25

so our x value is equal to .25!

if you have any questions about how i answered this question please let me know:)
3 0
2 years ago
A battery was charged. When the changing began, it was 23 percent full. After 30 minutes of charging, the battery was 89 percent
Karo-lina-s [1.5K]
Attached the solution and work.

5 0
3 years ago
Evaluate 6t -20-32u when t=6 and u=1/4
weqwewe [10]

Answer:

8

Step-by-step explanation:

6t - 20 - 32u = 6(6) - 20 - 32( \frac{1}{4} ) = 36 - 20 - 8 = 16 - 8 = 8

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5 0
2 years ago
Read 2 more answers
Two equations are given below:
Ostrovityanka [42]
A - 3b = 4 . . . . (1)
a = b - 2 . . . . . (2)
Putting (2) into (1), we have
b - 2 - 3b = 4
-2b = 4 + 2 = 6
b = 6/-2 = -3
From (1), a = b - 2 = -3 - 2 = -5
Hence, solution = (-5, -3)

3 0
3 years ago
7.5 4.2
Studentka2010 [4]
<span>✡ Answer: x=6.72 </span><span>✡


- - Solve:

</span><span><span>- - First step is to cross-multiply:
</span>- </span><span>7.5*x=4.2*12
- 7.5x=50.4

- - The next step is to divide both sides by the number </span><span>7.5
-\frac{7.5x}{7.5} =  \frac{50.4}{7.5} &#10;

</span>
<span>- - x=6.72</span>




✡Hope this helps<span>✡</span>
3 0
2 years ago
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