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3 years ago

Please help me thank you sooooo much ( also if you take my points I'm reporting you)

Mathematics

2 answers:

Amanda [17]3 years ago

7 0

Answer: x=-10.2 but for me the real answer is x=10.2 but go for x=-10.2

Step-by-step explanation: hope this help

tiny-mole [99]3 years ago

5 0

Answer:

10.2 is the answer

Step-by-step explanation:

when u divide you get it.

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What is the average rate of change over the interval 1≤x≤3

Monica [59]

9514 1404 393

Answer:

Step-by-step explanation:

The average rate of change is the slope of the line between the points at the ends of the interval: (1, -2) and (3, 4). That is given by the slope formula ...

m = (y2 -y1)/(x2 -x1)

m = (4 -(-2))/(3 -1) = 6/2

m = 3

The average rate of change on the interval is 3.

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3 years ago

Data collected on the discharge of the Colorado River and speed are given in the table:

Julli [10]

Answer:

0.67; The least-squares regression line, given by ŷ = 3.95 + 0.67x, is not a good fit for the data.

Step-by-step explanation:

Plot the data in a spreadsheet and insert a trendline. The line of best fit is y = 0.67x + 3.95. The r² value is 0.67.

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4 years ago

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The table below shows two equations:. . Equation 1 |3x – 1| + 7 = 2 . Equation 2 |2x + 1| + 4 = 3 . . . Which statement is true

Nesterboy [21]

So base on your table that shows a two equations and ask what could be true about the solution to the two equations and the best answer would be that the Equation 1 and Equations 2 have no solutions at all. I hope you are satisfied with my answer and feel free to ask for more okay?

6 0

3 years ago

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Joel has a goal to practice his clarinet for 4 1/2 per week. The list below shows the number of hours Joel has a practiced so fa

MrRissso [65]

0.75 hours more is needed to practice to meet his goal

Solution:

Given that,

Goal per week of Joel = $4\frac{1}{2} = \frac{2 \times 4 + 1}{2} = \frac{9}{2}$

From given,

The list below shows the number of hours Joel has a practiced so far for the week

$Monday = 1\frac{1}{2}\ hours = \frac{3}{2}\ hours$

$Wednesday = 1\frac{1}{4}\ hours = \frac{5}{4}\ hours\\\\Thursday = 1\ hour$

How many more hours does he need to practice this week to meet his goal

Find the difference

Hours needed = Goal per week of Joel - (monday + wednesday + thursday)

$Hours\ needed = \frac{9}{2} - (\frac{3}{2} + \frac{5}{4} + 1)\\\\Hours\ needed = 4.5-(1.5+1.25+1)\\\\Hours\ needed = 4.5 - 3.75 = 0.75\\\\Hours\ needed = 0.75 = \frac{3}{4}$

Thus 0.75 hours more is needed to practice to meet his goal

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4 years ago

Plz help with this questio! Thanks!♡︎

mrs_skeptik [129]

Answer:

Week 3.

Step-by-step explanation:

Add up the hours for each week.

Week 3 is the highest at 36 hours.

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3 years ago

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