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Yuri [45]
3 years ago
11

22 Solve for x. 3x - 5 = 10 x equals..... help

Mathematics
1 answer:
kramer3 years ago
7 0

Answer:

x = 5

Step-by-step explanation:

3x - 5 = 10

We want to isolate the x.

3x - 5 = 10\\+5\;\;\;\;\;\;\;\;\;         +5

3x = 15

Now, we want the x not to have a coefficient. We want it just to be x =. We will do this via inverse operations. Since 3 x is 3 multiplied by x, we will divide each side by 3.

\frac{3x}{3} \;=\;\frac{15}{3}

x = 5

~InLoveWithPugs

Moderator\\Math \ Enthusiast

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Answer:

37+61+x=180

98+x=180

x=180-98

x=82°

the third angle is 82°

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Clark left for school at 7:43 a.m. he got to school 30 minutes late what time did Clark get to school
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If clark left at 7:43, and 30 minutes later he arrived he would get to school around 8:13,   7:43 + 30 = 8:13
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3 years ago
Which of the following choices is the simple formula for the nth term of the following arithmetic sequence?
kkurt [141]
\bf 7~~,~~\stackrel{7-4}{3}~~,~~\stackrel{3-4}{-1}~~,~~\stackrel{-1-4}{-5}~~,~~\stackrel{-5-4}{-9}~~,~~...

so namely, the "common difference" d = -4, and the first term a₁ = 7.

\bf n^{th}\textit{ term of an arithmetic sequence}
\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
d=-4\\
a_1=7
\end{cases}
\\\\\\
a_n=7+(n-1)(-4)\implies a_n=7+(4-4n)
\\\\\\
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8 0
3 years ago
Belle deposited money into a savings account. This table gives the value of her account for the first 14 months after the initia
beks73 [17]

Answer:

280

step by step:

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

| years | account value |

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

|    2    |          106           |

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

|    4    |          113           |

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

|    6    |          119            |

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

|    8    |          126           |

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

|   10    |          135           |

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

|   12    |          143           |

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

|   14    |          152           |

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

( haha i had some fun making this table above ^ )

using the table above, we know that

10 + 14

= 24

which means we also have to add up the account value for both of these months

135 + 152

= 285

since the question was asking us which number was the closest then we know that the answer must be 280

if you wanted you could even double check that answer by doing '12 + 12'

12 + 12 = 24

143 + 143 = 186

again since it is the closest to the number 280 then 280 is once again your answer

hope this helps you! :)

3 0
3 years ago
Help pls it's a math question ​
baherus [9]

Answer:

Answer 20

Step-by-step explanation: ADD ALL THE NUMBER

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3 years ago
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