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m_a_m_a [10]
3 years ago
8

(8 × 2) × 5 = 8 × (2 × 5)

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
7 0
80 = 80

hope that helps. you didn’t specify what you’re looking for.
S_A_V [24]3 years ago
4 0

Answer:

3 1/5

Step-by-step explanation:

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Solve for t. d=-16t^2+4t
Hatshy [7]

Answer:

32t /4t is = 8

Step-by-step explanation:

3 0
3 years ago
What is the solution set of the quadratic inequality x^2-5<_0
Juliette [100K]

Answer:

-sqrt(5) ≤ x ≤ sqrt(5)

Step-by-step explanation:

x^2-5≤0

Add 5 to each side

x^2-5+5≤0+5

x^2 ≤5

Take the square root of each side, remembering to flip the inequality for the negative sign.  Since this is less than we use and in between

sqrt(x^2) ≤ sqrt(5)   and sqrt(x^2) ≥ -sqrt(5)  

x ≤ sqrt(5) and x ≥- sqrt(5)  

-sqrt(5) ≤ x ≤ sqrt(5)

4 0
3 years ago
PLEASE I need this fast
Tatiana [17]
I love the word of GOD so much that I agree with jwgirly the answer to the question is true.                                         1
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8 0
4 years ago
90 units needed 8per case
Sever21 [200]
Are you asking how much cases is needed to to reach the 90 units? If yes then 90/8 which would give you 11.25. But since it’s by case then round up to get 12 cases. I think I answered it wrong but
6 0
3 years ago
Let a be an mn matrix, and let u and v be vectors in irn with the property that au = 0 and av = 0. explain why a(u + v) must be
tatiyna
\mathbf{Au}=\mathbf0
\mathbf{Av}=\mathbf0

\implies\mathbf{Au}+\mathbf{Av}=\mathbf0
\implies\mathbf A(\mathbf u+\mathbf v)=\mathbf0

Multiplying by scalars c,d won't change this fact.
4 0
4 years ago
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