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tatiyna
3 years ago
15

-x/4+5=-3 plz help guys plzzz

Mathematics
1 answer:
yulyashka [42]3 years ago
6 0
Hello!

-x / 4 + 5 = -3

Subtract 5 from both sides

-x / 4 = -8

Multiply both sides by 4

-x = -32

Since x is negative we can multiply both sides by -1 to make x positive

x = 32

The answer is 32

Hope this helps!
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9ab + 12ax - 6b + 7x
lubasha [3.4K]

Answer: It can't be simplified no more because there is no more variable to combine together.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Emma is 9 1/4 years old . how many months is Emma please answer
coldgirl [10]
Well we know there are 12 months in 1 year
So since she lived 9 already lets multiply that
12 x 9 = 108
so far she lived 108 months but wait! we still need to add 1/4 of a year
lets find out how many months 1/4 of a year is by dividing 12 and 4 
sooo heres the math
12 ÷ 4 = 3
so she lived another 3 months.
Lets add on 108 and 3
108 + 3 = 111
so she lived 111 months her entire life
hope this helps 
and dont forget 2 
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5 0
4 years ago
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An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation a
Amiraneli [1.4K]

Answer:

Following are the responses to the given question:

Step-by-step explanation:

Mean Absolute Deviation MAD

MAD = \sum_{i=1}^{n} \frac{\left | actual_{i}-forecast_{i} \right |}{n}

Mean squared error  

MSE=\Sigma^{n}_{i=1} \frac{(Actual_i - Forecast_i)^2}{(n - 1)}

linear trend equation is Ft = 124 + 2t

MAD = \frac{23}{10} = 2.3\\\\MSE = \frac{91}{9}= 10.11\\\\

Naive method

MAD = \frac{36}{9} = 4\\\\MSE = \frac{202}{8}=25.25\\\\MAD (Naive) = 4\\\\MAD (Linear) =2.3\\\\MSE (Naive)=25.25\\\\MSE (Linear)=10.11\\\\

Please find the attached file.

7 0
3 years ago
4. If you are saving $ 5 dollars a week, in how many weeks you will be able to save $3000 ?
Nikolay [14]
3000/5=600
Answer:600
8 0
3 years ago
Read 2 more answers
Does anyone know the answer to this ???
Jlenok [28]
<h2>C. ΔQRS ≅ ΔGFE </h2>

ΔQRS ≅ ΔGFE because :

∠Q = ∠G = 55°( corresponding part )

∠R = ∠F = 60° ( corresponding part )

∠S = ∠E = 65° ( corresponding part )

QS = GE = 16 ( corresponding part )

Therefore , the correct answer is :-

<h3>C. ΔQRS ≅ ΔGFE </h3>

8 0
3 years ago
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