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3 years ago

Please help me ..Use the distributive property to factor the expression.2k + 10

Mathematics

1 answer:

Aleksandr [31]3 years ago

5 0

Answer:

2×(1+10)

Step-by-Step

You are just substituting in where the parenthesis go.

But I am not entirely sure.

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What is m∠M ? Brainliest to correct answer <3

nika2105 [10]

Sum of interior angles of triangle = 180

x + x + 6 + 3x - 16 = 180

5x - 10 = 180

5x = 190

x = 38

<M = 3(38) - 16

<M = 114 - 16

<M = 98°

5 0

3 years ago

Solve for b......<br> 15b=5

Elis [28]

The answer is b=3. divide 5 into 15

8 0

3 years ago

Read 2 more answers

How many terms are there in a geometric series if the first term is 4, the common ration is 3 and the sum of the series is 160

Marina CMI [18]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=4\\
r=3\\
S_n=160
\end{cases}$

$\bf 160=4\left( \cfrac{1-3^n}{1-3} \right)\implies 160=4\left( \cfrac{1-3^n}{-2} \right)\implies 160=-2(1-3^n)
\\\\\\
160=2(3^n-1)\implies \cfrac{160}{2}=3^n-1\implies 80=3^n-1
\\\\\\
81=3^n~~
\begin{cases}
81=3\cdot 3\cdot 3\cdot 3\\
\qquad 3^4
\end{cases}\implies 3^4=3^n\implies 4=n$

3 0

3 years ago

What is the surface area?

finlep [7]

Answer:

c. 166

Step-by-step explanation:

area = l x w

surface area = area

8 0

2 years ago

Divide 1/7 divided by 6

ArbitrLikvidat [17]

Answer:

1/42

Step-by-step explanation:

1/7 ÷ 6/1

1 x 1 = 1

------------

7 x 6 = 42

1/42

already simplified to the fullest

hope that helps!

6 0

3 years ago

Please help me ..Use the distributive property to factor the expression.2k + 10​

Please help me ..Use the distributive property to factor the expression.2k + 10