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Galina-37 [17]
3 years ago
8

The measures of an angle and its supplement differ by 40°. What are the measures of the angles? Hint: An angle and its supplemen

t have degree measures whose sum is 180°
Mathematics
1 answer:
bogdanovich [222]3 years ago
3 0
Let the two numbers be x and x + 40, then
x + x + 40 = 180
2x = 180 - 40 = 140
x = 140/2 = 70
Therefore, the measures of the two angles are 70° and 70 + 40 = 110°
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Marsha earn $25 per hour up to 36 hours; after this,she is paid double time. In one particular week she earned $1550.00 .how man
mel-nik [20]

Answer: Marta worked 13 hours overtime.

Step-by-step explanation:

1): You do 25 x 36 to get the amount of money she can make before she starts to make double.

36 x 25 = 900

2): Minus $900 from $1550

$1550 - $900 = $650

3): Divide $650 by $50

$650 / $50 = 13 hours worked overtime

7 0
3 years ago
The value of a house decreases at a steady rate of 20% each year. What is the total percentage loss (to the nearest integer) in
Westkost [7]

Answer: The total percentage loss would be 67%.

Step-by-step explanation:

Since we have given that

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We need to find the total percentage loss in value of the house at the end of 5 years.

So, Total percentage loss would be

1-(1-\dfrac{r}{100})^5\\\\=1-(1-\dfrac{20}{100})^5\\\\=1-(\dfrac{4}{5})^5\\\\=1-(0.8)^5\\\\=0.67\\\\\approx 67%

Hence, the total percentage loss would be 67%.

8 0
3 years ago
A sandwich shop has 40 stores and 80% of the stores are in California. The rest of the stores are in Nevada how many stores are
Elina [12.6K]

Answer:

32 are in California and 8 are in Nevada.

Step-by-step explanation:

You multiply 40 by 0.80. You then get 32. That's your answer.

5 0
3 years ago
A rectangle has an area of
Masteriza [31]

Answer:

9.6

Step-by-step explanation:

ratio means you divide one by the other

240/25

9.6

5 0
3 years ago
Read 2 more answers
Solve the following equation with Rational Coefficients. Round the answer to the nearest tenths if necessary. 1.2y=15
Slav-nsk [51]

Answer:

I am sorry, I do not know what Rational Coefficients are but y=12.5.

Step-by-step explanation:

If you have 1.2y=15 then you divide both answers by 1.2 and then you get y=12.5. Hope this helps, Let me know if correct!!

7 0
3 years ago
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