A Vector $\overrightarrow { \mathrm { A } }$ Is Added To

question 64

Multiple Choice

A vector $\overrightarrow { \mathrm { A } }$ is added to $\overrightarrow { \mathbf { B } } = 6 \hat { \mathbf { i } } - 8 \hat { \mathbf { j } }$ .The resultant vector is in the positive x direction and has a magnitude equal to $\overrightarrow { \mathrm { A } }$ .What is the magnitude of $\overrightarrow { \mathrm { A } }$ ?

• A)11
• B)5.1
• C)7.1
• D)8.3
• E)12.2

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Definitions:

Population Means

The average value of a particular characteristic or measurement taken from every member of an entire population.

SST

The total sum of squares in regression analysis, representing the total variation in the dependent variable.

Treatments

Variables applied to experimental units within scientific studies to observe their effects.

Treatments

The specific conditions applied to experimental units in research to investigate potential causative effects.