I need help with this question. Can you please help me.

Mathematics

1 answer:

sashaice [31]3 years ago

8 0

Answer:

ummmm maybe u just forgot to add the picture

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What’s the slope of (1,-1) (-2,-5)

Afina-wow [57]

Do -5- - 1 which is -5+ 1 the negatives cancel out and -5+1 is -4

then do -2-1 which is -3

so your slope is 4/3 (the negatives cancel out)

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4 years ago

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Which expression can be used to model the phrase "the sum of three and a number"?

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The sum of three and a number is 3+x

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the Andersons kept track of the time they spent watching television. Part A wich bar diagram represents the number of hours the

DENIUS [597]

Part A:

Part B:

$\begin{gathered} 4\frac{5}{6}=\frac{29}{6} \\ 3\frac{4}{6}=\frac{11}{3} \\ so\colon \\ \frac{29}{6}+\frac{11}{3}=\frac{17}{2}=8\frac{3}{6} \end{gathered}$

Part C:

$\begin{gathered} 3\frac{1}{6}=\frac{19}{6} \\ 2\frac{3}{6}=\frac{15}{6} \\ so\colon \\ \frac{29}{6}+\frac{11}{3}+\frac{19}{6}+\frac{15}{6}=\frac{85}{6}=14\frac{1}{6} \end{gathered}$

Part D:

$\frac{17}{2}-\frac{17}{3}=\frac{17}{6}=2\frac{5}{6}_{}$

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1 year ago

Ella has 0.5 lbs of sugar. How much water should she add to make the following concentrations? How much sugar is in 50%.

sergeinik [125]

A fifty-fifty sugar-water solution would contain the same amount of water by weight as by sugar, that is, 0.5 lb water.

In other words, a solution that is made up of 0.5 lb sugar and 0.5 lb water is a 50% sugar concentration.

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3 years ago

If there are 40% of girls and 250 are boys, find

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Step-by-step answer:

If there are 40% students that are girls , and the rest are 250 boys. Then that must mean there are 60% boys. Because that is the compliment.

Because we know that 60% of the people in the group are boys, and that the amount of boys amounts to 250, we can model an equation like this.

$Total * 0.6 = 250$ .