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Bad White [126]
3 years ago
12

An archutect is creating a scale model of a building. the building will stand at 1000 yards, and tge scale shows that 2 inches =

10 feet. how tall will the scale model be?
Mathematics
1 answer:
ladessa [460]3 years ago
6 0
500 if u divide 1000 by 2
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Find the disciminant of the quadratic equation: <br> <img src="https://tex.z-dn.net/?f=4k%5E2%2B8k%2B4%3D0" id="TexFormula1" tit
DochEvi [55]

here

  • a=4
  • b=8
  • c=4

Discriminant

  • D=b²-4ac
  • D=8²-4(4)(4)
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4 0
2 years ago
Read 2 more answers
Please help pretty basic question thankyou !
Usimov [2.4K]

Ans: about 5000 feet

Explanation: 10000 divided by 2 = 5000 feet (estimate)

8 0
2 years ago
Read 2 more answers
70 decreased by 13% =
Pie
If you have a calculator: 
<span>1) To find 1%, divide by 100 (70 / 100 = 0.7) </span>

<span>2) Then, multiply by the % you need (0.7 x 13 = 9.1) </span>

<span>Therefore 70 - 9.1 = 60.9 </span>

<span>If you don't have a calculator: </span>
<span>1) Find 50%, 10%, 5%, and 1%. With these, you can make any % you need. </span>
<span>50% = X / 2 (= 35) </span>
<span>10% = X / 10 (= 7) </span>
<span>5% = first, do 10%, then divide that by 2 (= 3.5) </span>
<span>1% = X / 100 (= 0.7) </span>
<span>Where X is the number you want to work out % for </span>

<span>2) Add those % up to get the amount you want </span>
<span>10% + 1% + 1% +1% = 13% </span>
<span>7 + 0.7 + 0.7 + 0.7 = 9.1 </span>

<span>Therefore 70 - 9.1 = 60.9
Hope that helps :)</span>
7 0
3 years ago
A rectangle has a width of 9 inches. The area of the rectangle is 648 square inches. What is the length, in inches, of the recta
Ivan

Answer:

The length is 72

Step-by-step explanation:

length x width = area

9 x length = 648

length = 72

7 0
3 years ago
When creating vases for the craft fair, Thomas used the proportion 3 pounds of clay is to 8 vases as 9 pounds of clay is to 24 v
Elodia [21]

Answer:

Answer:

4/24

Step-by-step explanation:

Because 1/6 is 4/24 simplified.

To prove this, all you have to do is try simplifying 4/24 yourself. To do that, we are going to use 4 to divide both the numerator and the denominator because 4 is a common factor of 4 and 24.

(To simplify a fraction, you divide both the numerator and denominator by a common factor)

So 4 divided by 4 is 1, and 24 divided by 4 is 6

1/6

99% sure im right ;)

5 0
3 years ago
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