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kodGreya [7K]
3 years ago
6

Given: 8x-61=17, prove: 39/4

Mathematics
1 answer:
Degger [83]3 years ago
8 0

Answer:

The solution is x = \frac{39}{4}

Step-by-step explanation:

We are given the following equation:

8x - 61 = 17

We want to find the solution, that is, the value of x. So

8x - 61 = 17

8x = 78

x = \frac{78}{8}

Simplifying by 2

x = \frac{39}{4}

The solution is x = \frac{39}{4}

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N^2- 5n +4=0 quadratic equation
luda_lava [24]

Answer:

n = 1, 4

Step-by-step explanation:

Step 1: Write equation

n² - 5n + 4 = 0

Step 2: Solve for <em>n</em>

<u>Factor:</u> (n - 4)(n - 1) = 0

<u>Find roots:</u> n = 1, 4

Step 3: Check

<em>Plug in n to verify if it's a solution.</em>

1² - 5(1) + 4 = 0

1 - 5 + 4 = 0

-4 + 4 = 0

0 = 0

4² - 5(4) + 4 = 0

16 - 20 + 4 = 0

-4 + 4 = 0

0 = 0

7 0
3 years ago
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Advocard [28]

Step-by-step explanation:

Use PEMDAS

\begin{array}{ccc}214.8-(4^2+3)\times4&\\214.8-(16+3)\times4&Evaluate\\214.8-19\times4&Add\\214.8-76&Multiply\\138.8&Subtract\end{array}

6 0
3 years ago
The function f(x) represents the amount of people it takes to build x engines in a car factory. What is a reasonable domain for
Leno4ka [110]
The domain is all x-values of coordinate pairs.
But, if you need a reasonable domain for a graph, it should be all integers (whole numbers) greater than or equal to zero.
This is because you can’t have 1/2 of a person or 1/2 of an engine. You also can’t have any negative engines either. Therefore, the domain would need to be whole numbers greater than (or equal to 0).
6 0
3 years ago
Ronalds furniture house is currently making 50 sofas in a day. How many sofas will be produced if prudction is to be increased b
vazorg [7]

Answer:

125

Step-by-step explanation:

50 x 150% = 75

75 + 50 = 125

3 0
3 years ago
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What is 3+1234 please help i need it
Westkost [7]
This answer can easily be plugged into a calculator. =)

3 + 1234 = 1237

Hope that helps! -UnicornFudge aka Nadia
8 0
3 years ago
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