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Mnenie [13.5K]
2 years ago
13

Using the example in #8, find the value of x

Mathematics
1 answer:
RUDIKE [14]2 years ago
7 0

Answer:

SolutioN :

  • Set up an equation & solve for x :

\star \tt \: 15x - 7 - 3x + 151 = 180 [ Sum of co-interior angles ]

\longrightarrow \tt \: 12x + 144 = 180

\longrightarrow \tt \: 12x = 36

\longrightarrow \tt \: x =  \frac{36}{12}

\longrightarrow \tt \: x =  \boxed{ \tt{3}}

  • The value of x is 3 .

---------- HappY LearninG <3 ---------

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Rema purchased 18 ounces of gold in 2005 for $414 per ounce in order to try to diversify her investment portfolio. She sold a th
Licemer1 [7]

Given :

Rema purchased 18 ounces of gold in 2005 for $414 per ounce in order to try to diversify her investment portfolio.

She sold a third of her holdings in gold in 2009 at a price $953 per ounce. She sold the rest of her gold holdings in 2010 for $1,367 per ounce.

To Find :

What is Prema’s profit in 2009 and 2010.

Solution :

Price of one third ounces of gold, in 2005 is :

P = $414/3 = $138 .

Profit from selling them in 2009 is :

P1 = $(953 - 138) = $815 .

Profit from selling them in 2010 is :

P2 = $( 1367 - ( 414 - 138 ) ) = $1091 .

Therefore, Prema's profit in 2009 is $815 and 2010 is $1091.

Hence, this is the required solution.

5 0
3 years ago
One dozen students each drop a brass tack six times from a height of six inches onto a level hard surface. They record the numbe
pshichka [43]

Experimental Probability = 2/3

To find the experimental probability that the tack lands point-up for student 4, we can use the following equation

\frac{Point-up}{Attempts}\\\frac{4}{6} or\frac{2}{3}

If this helped you a Brainliest would be appreciated!

8 0
3 years ago
Answer ASAP please!
lara31 [8.8K]

Answer:

D

Step-by-step explanation:

A. Sin 42=0.669

Cos=52=0.617

B. Sin 90=1

cos 90=0

C. cos30=0.866

sin 70=0.940

D. sin80=0.985

cos 10=0.985

3 0
3 years ago
What is the solution to the system of equations?<br><br> y = 2x + 4<br> y = -x + 1
den301095 [7]

Step-by-step explanation:

start by setting each equation to each other

2x + 4 =  - x + 1

first we are going to subtract 2x from both side of the equation

4 =  - 3x + 1

now subtract 1 from both sides

3 =  - 3x

now divide by -3 on both sides

5 0
3 years ago
Whao knows what cuphead is?
kari74 [83]

Answer: i've heard about it but i'm not too much into it

7 0
3 years ago
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