3 years ago

Graph f(x)=−1.5x+6. Use the line tool and select two points to graph the line.

Mathematics

1 answer:

aev [14]3 years ago

7 0

Answer: Points (-1 , 7.5), (0 , 6), and (1 , 4.5).

Step-by-step explanation:

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Solve for ,×. Then, circle whether each angle pair is complementary or supplementary.

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3 years ago

Triangle ABC Triangle DFE. What is the measure of Angle E in degrees?

Bas_tet [7]

Answer:

Angle E is 30⁰

Explanation:

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2 years ago

What is the standard deviation of the following data set rounded to the nearest tenth? 56 ,78 ,123 , 34, 67, 91, 20

quester [9]

Answer:

The standard deviation of the following data set is 32.2

Step-by-step explanation:

step 1

Find the mean

we have

$[56,78,123,34,67,9,20]$

Sum the data and divided by the number of elements

$[56+78+123+34+67+91+20]/7=469/7=67$

step 2

For each number: subtract the Mean and square the result

$[(56-67)^{2},(78-67)^{2},(123-67)^{2},(34-67)^{2},(67-67)^{2},(91-67)^{2},(20-67)^{2}]$

$[121,121,3,136,1,089,0,576,2,209]$

step 3

Work out the mean of those squared differences

$[121+121+3,136+1,089+0+576+2,209]/7=1,036$

This value is called the "Variance"

step 4

Take the square root of the variance

$standard\ deviation=\sqrt{1,036}=32.2$

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3 years ago

Write an equation for the description. the sum of 17 and a number x is equal to 21

lawyer [7]

Answer:

Equation: 17+x=21

btw x=4

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3 years ago

Read 2 more answers