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zlopas [31]
3 years ago
7

Which equation demonstrates the distributive property? A) 2 (5 + 7) = 2 (7 + 5) B) 2 (5 + 7) = 2 × 5 + 2 × 7 C) (2 × 5) × 7 = 2

× (5 × 7) D) 7 × (2 × 5) = 7 × (5 × 2)
Mathematics
1 answer:
Sonbull [250]3 years ago
4 0

Answer:

B

Step-by-step explanation:

Distributive property is when you distribute the values in a parenthesis with the outside multiplying factor

2*(5+7)= 2*5 + 2*7

2*(12) = 10 +14

24 = 24

distributive property holds true

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If f(z)= sqrt z2+8z , then how much does f(z) increase as z goes from 7 to 8?
Nuetrik [128]

Answer:

B

Step-by-step explanation:

f(7)=\sqrt{7^2+8*7}=\sqrt{49+56}=\sqrt{105} \approx 10.247\\f(8)=\sqrt{8^2+8*8}=\sqrt{128}=8\sqrt{2} \approx 11.314\\f(8)-f(7)=11.314-10.247=1.067 \approx 1.07

3 0
3 years ago
This solid shape is made from 5 cubes.
expeople1 [14]

Answer:

what is the question?

Step-by-step explanation:

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2 years ago
A flood a creek's water level changes by −4 7/10 feet in 2 hours. What is the average change in the creek's water level per hour
dezoksy [38]

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Step-by-step explanation:

Divide -4.7/2 = -2.35

3 0
3 years ago
Help me out asap!!!!
attashe74 [19]

Answer:

anglePUM = 3° , PM = 5, UM = √75

Step-by-step explanation:

anglePUM = 180 - 60 - 90 = 30° (∠sum of Δ)

cos60 = PM/10

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sin60 = UM/10

UM = 10sin60 = √75

6 0
2 years ago
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FromTheMoon [43]

Answer: I got A. 768 as the answer

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