4 years ago

Use pascals triangle to find (7 4) A.) 4 B.) 7 C.) 21 D.) 35

Mathematics

2 answers:

ivann1987 [24]4 years ago

6 0

Answer: D

hope this helps! u can use calculator function to check answer :)

SashulF [63]4 years ago

4 0

Answer:

The answer is D. 35 hopefully this helps!

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ololo11 [35]

$\begin{cases} -x+3y=9\\\\ y=\cfrac{2}{3}x \end{cases} \\\\[-0.35em] ~\dotfill\\\\ -x+3y=9\implies 3y=9+x\implies \underline{3y-9=x} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{substituting ont the 2nd equation}}{y=\cfrac{2}{3}(\underline{3y-9})\implies 3y=2(3y-9)}\implies 3y=6y-18\implies 18+3y=6y \\\\\\ 18=3y\implies \cfrac{18}{3}=y\implies \boxed{6=y}$

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3 years ago

There are two routes Lucas can take to walk to school. Route A is 2 and StartFraction 1 over 8 EndFraction miles and is StartFra

Rama09 [41]

Answer:

1 3/4

Step-by-step explanation: I like math I am smart

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4 years ago

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2 to the second power times 20÷4+7×3 and -3-y when y= 1/2

Kay [80]

2² * 20 : 4 + 7 * 3
= 4 * 5 + 21
= 20 + 21
= 41

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3 years ago

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If a regular decagon with 6 cm sides has an area of 276.99 cm squared, what is the length of the apothem to the nearest hundredt

bezimeni [28]

According to the attached formula:
apothem = side length / 2 * tan (180/number of sides)
apothem = 6 / 2 * tan (180/10)
apothem = 6 / 2 * 0.32492
apothem = 9.23 cm