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zheka24 [161]
3 years ago
10

If the area of a triangle is 140 inches and the height is 20 inches how wide is the house ?

Mathematics
1 answer:
m_a_m_a [10]3 years ago
3 0

Answer:

Step-by-step explanation:

Area is half base × height

If area = 140 and height = 20 inches

base =140 ÷ 20 = 7 × 2 = 14 inches

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Expand the following:<br> 1/5 (10x-25)
mario62 [17]
<span>This must be your answer:
Expanded: 1/5 x 10x + 1/5 x -25 </span>
3 0
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What is the simplified form of 17y - 12y? giving brainliest for first/ correct answer!
Mamont248 [21]

Answer:

5y i guess ' - '

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3 years ago
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If x+1/x=7,find x^2+1/x^2​
trapecia [35]

Answer:

x²+1/x² = 51

Explanation:

Given x - 1/x = 7 ---(1)

We know the algebraic identity:

a²+b²-2ab = (a-b)²

Or

a²+b² = (a-b)²+2ab

Now,

x²+1/x²

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3 0
2 years ago
Write an equation that is perpendicular to y=3/5x-1 and passes through the point (9,14)
Leokris [45]

Answer:

y=(-5/3)x+29

Step-by-step explanation:

we will use the base formula y=mx+b

In order to be perpendicular, the slope must be the flipped fraction and have the opposite sign, so our m is (-5/3)

y=(-5/3)x+b

You can plug in the (9,14) point in order to find the b

14=(-5/3)(9)+b

14=(-45/3)+b

14=(-15)+b

14+15=b

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8 0
2 years ago
The sets of numbers 3, 4, 5 and 5, 12, 13 are examples
Wewaii [24]

Answer:

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  • 15, 20, 25 — yes
  • 20, 48, 52 — yes
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Step-by-step explanation:

The squares of the three numbers in each of the given triples are listed. When the sum of the first two numbers is equal to the third, the set of numbers in the triple is a Pythagorean triple.

  {64, 225, 289}, yes

  {225, 400, 625}, yes — a 3,4,5 triple multiplied by 5

  {400, 2304, 2704}, yes — a 5,12,13 triple multiplied by 4

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  {1521, 6400, 7921}, yes.

___

* the smallest set of integers that is a Pythagorean triple is {3, 4, 5}. The number 2 in this group tells you this cannot be a PT.

8 0
3 years ago
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