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charle [14.2K]
3 years ago
11

The selling price of a house dropped from $250,000 to $210,000 over a period of 5 years.

Mathematics
1 answer:
AnnyKZ [126]3 years ago
5 0
20% decreased and it needs to increase 40,000 more to get To its normal value
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Help pls :) 10 points
Alexeev081 [22]

Answer:

sq root of 64 = 8, sq root of 81 = 9, 8 and 9

Step-by-step explanation:

Since Sq root of 64 = 8 and Sq root of 81 = 9 it is known that sq root of 66 is between  8 and 9

7 0
2 years ago
9 = -d + 17<br><br> A.-2<br> B.8<br> C.10<br> D.-8
Hitman42 [59]
Subtract 17 from both sides

9= -d+17
9 - 17 = -d + 17 - 17

-8 = -d

Then divide.

-8/1 = -d-1

Cancel terms that are in both numerator and denominator

Answer:
8 = d
4 0
2 years ago
Read 2 more answers
Will give brainliest, please help
Rus_ich [418]

Answer:

C

Step-by-step explanation:

A triangle always consists of it being 180 degrees. The box on the triangle on angle A depicts that it is a right angle, 90 degrees. And since Angle B is given at 45, angle C must be 45 degrees as well, since 180-45-90 (triangle angles=given angles for A and B) equal up to 45. When the angles beside the right angle is both identical and the same, the sides that correspond with that triangle is also the same. AC is given at 9 feet, and since Angle C and B both have the same angles, AB must ALSO be a 9ft.

Now, since we know the two sides, it is very easy to find BC, or the hypotenuse of the triangle, using the Pythagorean Theorem: a^{2} +b^{2} =c^{2}, where a and b are sides, and c is the hypotenuse (or the long end) of a right triangle.

We can plug both 9s in for a and b since they're both the same, and it should equal to

9^2+9^2=c^2.

9^2 is 9*9, and that is 81. We have two of these so add them together to find 162. Since c^2 is equal to 162, we would need to square root both sides so we can find a number that equals c.

\sqrt{162} =c

We can either plug this into a calculator, and we should get something around 12.72, and that would be the same as C if you plug that value into a calculator.

You can also simplify the radical if you know how to. 162 is 81 times 2 (example) and 81 is 9*9, so we can add that to the outside and 2 is still under the radical. But this would only make sense if you know how to do that.

6 0
2 years ago
The price of a sweater is $5 less than twice the price of a shirt. if four sweaters and three shirts cost $200, find the price o
Mandarinka [93]
Sw+5=2sh 
<span>4sw+3sh=200 </span>
<span>4(2sh-5)+3sh=200 

</span><span>$20, $35 The shirts are $20 and the sweaters are $35<span /></span>
8 0
3 years ago
2) Convert the Units as shown. Round to the proper precision or accuracy. 1400 yds= Miles? * .79 miles .80 miles O 81 miles 278
MrRissso [65]

Answer:

The answer is 0.79

Step-by-step explanation:

The formula to solve this is divide the length value by 1760

3 0
2 years ago
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