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Mazyrski [523]
3 years ago
8

Why does the fact family for 81 and 9 only have two number sentences?

Mathematics
1 answer:
sukhopar [10]3 years ago
6 0
Because, 9 x 9 = 81. Hope I helped!
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A triangle can have a maximum of how many non-acute angles?
Molodets [167]

Answer:

we have only two or three acute angles in a triangle. so ima say at least 1

Step-by-step explanation:

6 0
3 years ago
6 less than 8 times some number
expeople1 [14]
The expression is 8n-6.

Hope this helps!
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3 years ago
The recursive rule for a sequence is an=an-1+7, where a1=15.What is the explict rule for this sequence
posledela

well, the recursive rule of aₙ = aₙ₊₁ + 7, where a₁ = 15, is simply saying that

we start of at 15, and the next term is obtained by simply adding 7, and so on.

well, that's the recursive rule.

so then let's use that common difference and first term for the explicit rule.

\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{term position}\\ a_1=\textit{first term}\\ d=\textit{common difference}\\ \cline{1-1} a_1=15\\ d=7 \end{cases} \\\\\\ a_n=15+(n-1)7\implies a_n=15+7n-7\implies a_n=7n+8

5 0
3 years ago
W/5=3 what does w equal
m_a_m_a [10]

Answer:

w=15

Step-by-step explanation:

w/5=3

multiply by 5 on both sides

w=3*5

∴ w=15

7 0
3 years ago
Read 2 more answers
Use the equation given below to help you determine Which statement best describes how you find the net change in an your answer.
Ksivusya [100]

Answer:

A   is the answer I go with although  Im not that sure

7 0
3 years ago
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