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earnstyle [38]
3 years ago
15

Help pleaseeee. This is 8th grade math and i need to find what x is

Mathematics
1 answer:
Degger [83]3 years ago
4 0

\text{Hello there!}\\\\\text{We know the that the exterior angle (x) is the sum of the opposite interior}\\ \text{angles}\\\\\text{This means that you would add 72 and 37}\\\\72+37=109\\\\\text{Or, you can do this method:}\\\\\text{Find the missing interior angle by adding 72 and 37 and subtracting}\\\text{it by 180}\\\\180-72-37=71\\\\\text{Now, find the exterior angle by subtracting 180 by 71}\\\\180-71=109\\\\\boxed{x = 109\,\,\text{degrees}}

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3600 dollars is placed in an account with an annual interest rate of 9%. How much will be in the account after 25 years, to the
Mnenie [13.5K]
Assuming the interest is simple interest, as opposed to compound interest,

\bf ~~~~~~ \textit{Simple Interest Earned Amount}\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to& \$3600\\
r=rate\to 9\%\to \frac{9}{100}\to &0.09\\
t=years\to &25
\end{cases}
\\\\\\
A=3600(1+0.09\cdot 25)\implies 3600(3.25)
3 0
2 years ago
What does it mean when the ratio of person 1’s income to person 2’s incomes is 1 to 3 or 3 to 1? Explain.
viktelen [127]

Answer with explanation:

3:1 means that person 1's income is three times person 2's income.

E.g.: if person 1 gets 150 per hour, person 2 gets 30 per hour.

1:3 means that person 1's income is one third of person 2's income.

E.g.: if person 1 gets 40 per hour, person 2 gets 120 per hour.

6 0
3 years ago
Bo has $500 in his savings account. He plans to add $150 to his savings account every month. Recently, he purchased a tractor to
MariettaO [177]

Answer:

A. $2,000

Step-by-step explanation:

<em>Assuming that the money in the savings account will be used to pay off for tractor.</em>

<em>let the number of months be m</em>

Savings after m months will be 500+ 150m

After m months the installments paid  will 200m

To find the months it will take to pay for the tractor in m months, savings and the installments will be the price of the tractor. As an equation it be represented as below:

500+150m +200m = 4000

150m + 200m = 4000-500  <em>(grouping like terms)</em>

350m = 3500  <em>(Making m the subject of the formula)</em>

350m/350  = 3500/350

m = 10

Substituting m into the equation of saving after m months

<em>Savings after m months will be</em> 500+ 150m

<em>Savings after m months will be</em> 500 + 150(10)

<em>Savings after m months will be</em> 500 + 1500

Savings after m months will be $2000

7 0
3 years ago
Read 2 more answers
8.
Delicious77 [7]

Answer:

C. Q′ (−3, −4)  

D. Q′ (−4, −3)

Step-by-step explanation:

From looking at the graph it looks like the answer would be

Q= (3, -4) if the X-axis goes first

Q= (-4, 3) if the Y-axis goes first

7 0
2 years ago
It is estimated that each guest at a party will eat 3/4 pounds of chocolates. How many guest can be served with 9 pounds of choc
bearhunter [10]
12.
You must do 9 divided by 3/4
3/4 = .75
9 divided by .75 is 12
6 0
3 years ago
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