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Jobisdone [24]
3 years ago
13

A number is between 16 and 21. It has prime factors of 2, and 3. What is the number?

Mathematics
1 answer:
Advocard [28]3 years ago
6 0

Answer:18

Step-by-step explanation: 18=2.3.3

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one tank is filling at a rate of 3/4 per gallon per 2/3 minute .a second tank is at a 5/8 gallon per 1 half gallon per 1/2 minut
Bingel [31]
recall\ that\implies \cfrac{\frac{a}{b}}{\frac{c}{{{ d}}}}\implies \cfrac{a}{b}\cdot \cfrac{{{ d}}}{c}\qquad thus
\\ \quad \\

\cfrac{\frac{3g}{4}}{\frac{2m}{3}}\implies \cfrac{3g}{4}\cdot \cfrac{3}{2m}\implies \cfrac{\square ?}{\square ?}
\\-------------\\
\cfrac{\frac{5g}{8}}{\frac{1m}{2}}\implies \cfrac{5g}{8}\cdot \cfrac{2}{1m}\implies \cfrac{\square ?}{\square ?}

so... you tells us, which filling rate is the bigger and thus faster one?

6 0
3 years ago
A triangle has an area of 36 square units. Its height is 9 units.
Black_prince [1.1K]
Well area of a triangle is
\frac{1}{2} b \times h
so,
36 \times 2 = 72 \\ 72  \div 9 = 8
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8 0
3 years ago
Read 2 more answers
Can y’all help pls ;)
Vikentia [17]

Answer:

A. 5x+6

Step-by-step explanation:

-\frac{1}{3}(9x-18)+8x

-3x+6+8x (multiply across the -1/3)

5x+6 (combine 8x and -3x)

4 0
3 years ago
Simplify the expression
AlexFokin [52]

Answer:

B

Step-by-step explanation:

\frac{3+4\iota}{2+4\iota}=\frac{3+4 \iota}{2+4\iota} \times \frac{2-4 \iota}{2-4 \iota}\\=\frac{6 -12 \iota+8 \iota-16 \iota^2  }{4-16 \iota^2  }\\=\frac{ 6-4 \iota+16}{4+16}\\=\frac{22-4 \iota}{20}

5 0
3 years ago
A painter earns $119.00 for 7 hours of work. Which of the following is an equivalent rate?
spayn [35]
The answer is D I think!
7 0
2 years ago
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