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Vera_Pavlovna [14]

3 years ago

13

For each algebraic equation, select the property that could be used to solve it: 1. x-3=-5 2. 6x=72 3. x/5=3

1 answer:

kykrilka [37]3 years ago

5 0

X - 3 = -5........addition property....because u add -3 to both sides

6x = 72.....either division property...because u divide both sides by 6.
or multiplication property...because u multiply both sides by 1/6

x/5 = 3.....multiplication property....because u multiply both sides by 5

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eimsori [14]

Step-by-step explanation:

a. The mean can be found using the AVERAGE() function.

x = 272.7

b. The standard deviation can be found with the STDEV() function.

s = 39.9

c. The t-score can be found with the T.INV.2T() function. The confidence level is 0.04, and the degrees of freedom is 26.

t = 2.162

d. Find the lower and upper ends of the confidence interval.

Lower = 272.7 − 2.162 × 39.9 = 186.5

Upper = 272.7 + 2.162 × 39.9 = 358.9

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2 years ago

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Musya8 [376]

Answer:

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Step-by-step explanation:

The line on the graph is completely vertical, which is characteristic of an undefined graph.

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3 years ago

Divide 40x/64y by 5x/8y.

Lemur [1.5K]

<u>Answer:</u>

The correct answer option is C. 1.

<u>Step-by-step explanation:</u>

We are to divide $\frac { 4 0 x } { 6 4 y }$ by $\frac { 5 x } { 8 y }$ .

Rewriting them as a fraction in whole:

$\frac { \frac { 4 0 x } { 6 4 y } } {\frac { 5 x } { 8 y } }$

Changing the division into multiplication by taking the reciprocal of the fraction in the denominator to get:

$\frac { 4 0 x } { 6 4 y }$ × $\frac{8y}{5x}$

Cancelling out the like terms to get:

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Solve √(x+12)=8

kenny6666 [7]

i hope this helps you

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3 years ago

When is it best to review your notes

sergey [27]

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2 years ago

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