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3 years ago

Draw a dot plot for the set of data. 2, 5, 0, 1, 3, 2, 0, 2, 4, 3, 1, 3, 4, 2, 0

Mathematics

2 answers:

GREYUIT [131]3 years ago

5 0

The answer would be the first one that starts with 3 zeros and 2 ones

Furkat [3]3 years ago

3 0

Answer:

the first one

Step-by-step explanation:

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What i the solution to this equation<br> 6 (x - 5) = 4x + 20

cricket20 [7]

6 (x - 5) = 4x + 20

6x - 30 = 4x + 20

6x - 4x = 20 + 30

2x = 50

$x = \frac{50}{2}$

x = 25

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2 years ago

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vladimir2022 [97]

Try solving it on your own
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3 years ago

Siri can run 6 miles in 3/4 of an hour at this rate what is the total number of miles a student can run in one hour

Lesechka [4]

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4.5 mph

Step-by-step explanation:

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3 years ago

How many real roots does a quadratic equation have if the discriminant is -3?

soldier1979 [14.2K]

$\bf \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ y=\stackrel{\stackrel{a}{\downarrow }}{a}x^2\stackrel{\stackrel{b}{\downarrow }}{+b}x\stackrel{\stackrel{c}{\downarrow }}{+c} ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}= \begin{cases} 0&\textit{one solution}\\ positive&\textit{two solutions}\\ negative&\stackrel{\textit{no real roots}}{\textit{no solution}}\quad \checkmark \end{cases}$

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3 years ago

HELP MEEEEE PLEASEEEEEE

Sindrei [870]

Answer:

$x=16\dfrac{28}{37}\\ \\y=5\dfrac{1}{3}\\ \\z=7.5$

Step-by-step explanation:

The diagram shows three paralel lines which divide the large triangle into three similar triangles.

By Thales theorem,

$\dfrac{5}{z}=\dfrac{y}{8}=\dfrac{2}{3}$

Then

$\dfrac{5}{z}=\dfrac{2}{3}\Rightarrow 2z=15,\ z=7.5\\ \\\dfrac{y}{8}=\dfrac{2}{3}\Rightarrow 3y=16,\ y=\dfrac{16}{3}=5\dfrac{1}{3}$

From the similarity of triangles,

$\dfrac{x}{20}=\dfrac{z+8}{z+8+3}\\ \\\dfrac{x}{20}=\dfrac{7.5+8}{7.5+8+3}\\ \\\dfrac{x}{20}=\dfrac{15.5}{18.5}\\ \\x=20\cdot \dfrac{155}{185}=20\cdot \dfrac{31}{37}=\dfrac{620}{37}=16\dfrac{28}{37}$

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4 years ago