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vesna_86 [32]
3 years ago
14

Find the value of x. Round to the nearest tenth. Can you please give me the step by step?

Mathematics
1 answer:
cluponka [151]3 years ago
8 0

Answer:

x = -4.4

Step-by-step explanation:

i hope this can explain?

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Write a compound inequality to represent the following verbal expression:
EastWind [94]

Answer:

21≤X<28

Or

X≥21+X<28

Step-by-step explanation:

Both equations mean the same thing

7 0
3 years ago
A dairy needs 357 gallons of milk containing 5% butterfat. How many gallons each of milk containing 7% butterfat and milk contai
IrinaVladis [17]

9514 1404 393

Answer:

  • 238 gallons 7%
  • 119 gallons 1%

Step-by-step explanation:

Let h represent the number of gallons of high butterfat content milk. Then 357-h will be the number of gallons of 1% milk. The total amount of butterfat in the mix is ...

  0.07h +0.01(357 -h) = 0.05(357)

  0.06h = 14.28 . . . . . . . . . . subtract 3.57, collect terms

  h = 238 . . . . . . . . . .  divide by 0.06

  357-h = 357 -238 = 119

238 gallons of 7% and 119 gallons of 1% are needed.

6 0
3 years ago
Assumptions of a regression model can be evaluated by plotting and analyzing the ____________
Gala2k [10]

The assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

Important assumptions in regression model analysis are

  1. There should be a linear and additive relationship between dependent (response) variable and independent (predictor) variable(s).
  2. There should be no correlation between the residual (error) terms. Absence of this phenomenon is known as auto correlation.
  3. The independent variables should not be correlated. Absence of this phenomenon is known as multi col-linearity.
  4. The error terms must have constant variance. This phenomenon is known as homoskedasticity. The presence of non-constant variance is referred to heteroskedasticity.
  5. The error terms must be normally distributed.

Hence we can conclude that the assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

Learn more about regression model here

brainly.com/question/15408346

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4 0
2 years ago
The difference of twice a number and 5 is 3.
Elan Coil [88]
Option C is the right way to solve the equation.
6 0
3 years ago
For the following relation, find the: a) Reflexive closure b) Symmetric closure c) Transitive closure 2 You may include explanat
Luba_88 [7]

Answer:

Following are the complete solution in the attached file.

Step-by-step explanation:

5 0
3 years ago
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