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Semmy [17]
3 years ago
7

I would appreciate it if someone could help answer this problem:)

Mathematics
1 answer:
DedPeter [7]3 years ago
5 0

Answer:

x=85^{\circ}

Step-by-step explanation:

The sum of the interior angles of any polygon with five sides is equal to (5-2)\cdot 180=3\cdot 180=540^{\circ}. Therefore, we can set up the following equation and solve for x:

115+95+115+130+x=540,\\455+x=540,\\x=\boxed{85^{\circ}}

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I need help with my pre-calculus homework, please show me how to solve them step by step if possible. The image of the problem i
Anna [14]

We know that the law of sines states that:

\frac{\sin\alpha}{a}=\frac{\sin\beta}{b}

For simplicity, let:

\beta=m\angle A_1BC

In triangle A1BC this leads to:

\begin{gathered} \frac{\sin31}{5}=\frac{\sin\beta}{6} \\ \sin\beta=\frac{6}{5}\sin31 \\ \beta=\sin^{-1}(\frac{6}{5}\sin31) \\ \beta=38.174 \end{gathered}

Therefore:

m\angle A_1BC=38.174

Now, triangle A2BC is isosceles which means that both the base angles are equal, since angle CA1B and A2A1B are supplementary we have:

m\angle CA_2B=180-38.174=141.826

8 0
1 year ago
If you apply the changes below to the absolute value parent function, f(x) = |Xl,
TiliK225 [7]

Answer:

• Shift 5 units to the left  >>>  f(x) = |x+5|

• Shift 4 units down >>>  f(x) = |x| - 4

Step-by-step explanation:

If we have the parent function:

f(x) = |x|

<u>For horizontal translations:</u>

  • |x-a| means horizontally translated a units right
  • |x+a| means horizontally translated a units left

<u>For Vertical translation:</u>

  • |x| + b means vertically translated b units up
  • |x| - b means vertically translated b units down

From the translation rules, we can say:

Shift 5 units left would be:

|x+5|

and

Shift 4 units down would be:

|x| - 4

7 0
3 years ago
Find the value of X and Y.
spin [16.1K]
X=14 Y=12 I hope this helpex.
3 0
3 years ago
mr carlos buys 1,080 apples. 1/9 of the apples are rotten. he sells the rest at $2 for 10 apples. how much does he earn from the
Nataliya [291]
\frac{1}{9}\cdot 1080=120\\1080-120=960\\960:10=96\\96 \cdot \$2=\$192\\\\Answer:Mr\ Carlos\ will\ earn\ \$192\ for\ the\ sale.
3 0
4 years ago
Read 2 more answers
Help again sorry everybody
FromTheMoon [43]
Where is the question ?
3 0
3 years ago
Read 2 more answers
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