3 years ago

How many solutions does the equation 4x + 8 = −2 − 2 + 5x have?

Mathematics

1 answer:

valina [46]3 years ago

4 0

last one because you can solve it to many way6s

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If 2x/3 = 8/4, then x=

velikii [3]

Answer:

first cross multiply

2x×4=3×8

8x=24

then, divide both sides by "8" so x could be alone

x=24/8

x=3

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Step-by-step explanation:

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2 years ago

I need help with 20 and 21

7nadin3 [17]

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2 years ago

-6a-4= -4 (1+7a) Solve for a.

soldi70 [24.7K]

Answer:

$a = 0$

Step-by-step explanation:

On the right side of the = multiply -4 through

$- 6a - 4 = - 4 - 28a$

add 28a and add 4 to both sides

$28a - 6a = 4 - 4$

$22a = 0$

divide both sides by 22

$a = 0$

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2 years ago

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Write 4.81 x 10^5 in standard form

tia_tia [17]

481,000
this is the answer because standered form is just asking to write the number out instead of notation

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3 years ago

You are using an exponential smoothing model for forecasting. The running sum of the forecast error statistics (RSFE) is calcula

faltersainse [42]

Answer:

A)85

Step-by-step explanation:

Calculation for the resulting tracking signal

Using this formula

Tracking signal= Last forecast error statistics (RSFE) /Low MAD (Mean Absolute Deviation)

Let plug in the formula

Tracking signal=34/0.4

Tracking signal=85

Therefore the resulting tracking signal will be 85

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2 years ago