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scoundrel [369]
3 years ago
9

Help pleaseeeeee help help help

Mathematics
1 answer:
Kamila [148]3 years ago
8 0

Answer:


Step-by-step explanation:

46-32 x 5/9 = 7.8

82-32x 5/9 = 27.8


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Help me I don’t understand it?
photoshop1234 [79]

let's do 1, 5, 6, 10 and 13.

1)

well, the denominator is the same on each, so we simply have to look at the numerator, who is larger 3 or 5?  3 < 5, 3 is less than 5, so then........\bf \cfrac{3}{12}

5)

\bf \begin{cases} \cfrac{2}{4}\implies \cfrac{1}{2} \\\\\\ \cfrac{10}{20}\implies \cfrac{1}{2} \end{cases}\qquad \implies \cfrac{2}{4}=\cfrac{10}{20}\implies \cfrac{1}{2}=\cfrac{1}{2}

6)

we can make both denominators the same if we simply <u>multiply each fraction by the other's denominator</u>.


\bf \begin{cases} \cfrac{1}{4}\cdot \cfrac{13}{13}\implies \cfrac{13}{52} \\\\\\ \cfrac{4}{13}\cdot \cfrac{4}{4}\implies \cfrac{16}{52} \end{cases}\qquad \implies \cfrac{13}{52}

10)

we'll convert the mixed fractions to improper fractions first, then make their denominator the same just like we did in 6).


\bf \stackrel{mixed}{4\frac{1}{7}}\implies \cfrac{4\cdot 7+1}{7}\implies \stackrel{improper}{\cfrac{29}{7}}~\hfill \stackrel{mixed}{3\frac{3}{18}}\implies \cfrac{3\cdot 18+3}{18}\implies \stackrel{improper}{\cfrac{57}{18}} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \begin{cases} \cfrac{29}{7}\cdot \cfrac{18}{18}\implies \cfrac{522}{126} \\\\\\ \cfrac{57}{18}\cdot \cfrac{7}{7}\implies \cfrac{399}{126} \end{cases}\qquad \implies \cfrac{522}{126}>\cfrac{399}{126}\qquad therefore\qquad 4\frac{1}{7}>3\frac{3}{18}


13)

so both fractions are at a value from 9, so we can simply say, which is larger 2/6 or 4/12?


\bf \begin{cases} \cfrac{2}{6}\implies \cfrac{1}{3} \\\\\\ \cfrac{4}{12}\implies \cfrac{1}{3} \end{cases}\qquad \implies \cfrac{1}{3}=\cfrac{1}{3}\qquad therefore\qquad 9\frac{2}{6}=9\frac{4}{12}

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3 years ago
What is the cost of 23.5 gallons of gas
Snezhnost [94]

Answer:

Too much

Step-by-step explanation:

I did the math myself

3 0
2 years ago
Definition of the identity property of addition and the commutative property of addition
Novay_Z [31]
Let x, y be numbers.
The addition identity property states that 0 + x = x.
The commutative property states that x + y = y + x
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A) Write down the mathematical name of this shape.
olga nikolaevna [1]

Answer:

Quadrilateral as it is a four-sided ploygon, having 4 edges and corners

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2 years ago
Sari has 3 times as many pencil erasers asSam. Together they have 28 erasers. How many erasers does Sari have?
wel

3x +x = 28

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Sari has 21 erasers

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