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Katen [24]
3 years ago
7

The base of a pyramid is the regular polygon shown below.

Mathematics
2 answers:
Nataly_w [17]3 years ago
8 0
It is C. 498.83 units cubed. 


Hope I helped? ^ω^
Nitella [24]3 years ago
4 0

Answer:

b

Step-by-step explanation:

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Tony wants to model the Associative property of addition using a number sentence. Which number sentence could be used for Tonys
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pychu [463]

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3 years ago
2 numbers are in the ratio 1:2 if the first number is decreased by 5 and second number is increased by 4 their ratio becomes 5:4
Anna35 [415]

Answer:

-20/3 & -40/3

Step-by-step explanation:

Let’s say that the 1st number is X and the 2nd number is Y.

Given that x:y = 1:2 => x/y = 1/2 => 2x = y

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=> 4x - 20 = 5y + 20

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As, 2x = y , 4x = 2y

=> 2y - 5y = 40

=> -3y = 40

=> y = -40/3 ; x = y/2 = -20/3

This might be confusing but I hope this helps :)

7 0
3 years ago
I need help with my math!
pantera1 [17]

Answer:

there are a total of 20 boys and 30 girls in the choir of 50 students

Step-by-step explanation:

Scale the ratio 2:3. so that the numbers on either side sum to 50 . 2+3=5 , and 50÷5=10 , so we scale our ratio by a factor of 10 . So there are a total of 20 boys and 30 girls in the choir of 50 students

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2 years ago
3x-9=-21 equation in words
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'nine less than three times a number is negative twenty-one.'
5 0
3 years ago
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