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3 years ago

Use the data thing to answer all the questions plz

Mathematics

1 answer:

KonstantinChe [14]3 years ago

5 0

Where is the data chart to answer the questions?

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What x value solves the equation?<br><br> 3x – 5 = 1

anzhelika [568]

Answer:

x=2

Step-by-step explanation:

Add 5 to each side.

3x-5+5=1+5

3x=6

Divide each side by 3.

Your answer would be x=2.

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3 years ago

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Point M is the midpoint of segment AB.<br> AM=3x+40 and MB=x^2. Find x and AB

Nina [5.8K]

$\text{Hello there! :)}$

$x = 8\\\\AB = 128 \text{ units}$

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$\text{Since Point M is the midpoint of AB, then:}\\\\AM = MB\\\\$

$\text{Set the two equations equal to each other:}\\\\3x + 40 = x^{2} \\\\$

$\text{Move all terms over to one side to simplify more easily:}\\\\0 = x^{2} - 3x - 40$

$\text{Factor by finding numbers that sum up to -3 and multiply into -40:}\\\\0 = (x - 8)(x + 5)\\\\x = -5, 8$

$\text{The length of a segment cannot be negative, so choose the positive solution:}\\\\x = 8$

$\text{Substitute in this value of x into either AM or MB to solve for AB:}$

$AB = 2(MB)\\\\AB = 2(x^{2} )\\\\AB = 2(8^{2})\\ \\AB = 2(64)\\\\AB = 128 \text{ units}$

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3 years ago

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Alex_Xolod [135]

Answer:

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Step-by-step explanation:

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3 years ago

Which type of statistical graphic uses bars to describe the data?

raketka [301]

Answer:

A histogram

Step-by-step explanation:

This type of graph is used with quantitative data. Ranges of values, called classes, are listed at the bottom, and the classes with greater frequencies have taller bars.

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3 years ago

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Which pair of ratios form a true proportion

Delicious77 [7]

Hey there!

I'd say your answer would most likely be Option C

Because you can multiply the $\frac{3}{5}$ by $2$ (numerator and denominator by $2$ ) to get the fraction $\frac{6}{10}$

$\frac{3(2)}{5(2)} = 2(3) = 6 = 5(2)= 10 = \frac{6}{10}$

Good luck on your assignment and enjoy your day!

~ $LoveYourselfFirst:)$

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3 years ago