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soldi70 [24.7K]
3 years ago
11

A triangle has a perimeter of 18 inches. if one side has length 8 inches, find the length of the shortest side if the other leng

ths are in the ratio of 2 units : 3 units.
Mathematics
1 answer:
ladessa [460]3 years ago
8 0
Perimeter = 18 = 8 + 2x + 3x

10 = 5x
x = 2
So the sides are 8, 4 and 6

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Can someone tell me what x equals
Troyanec [42]
X=22. The supplementary angle is 90°, so the 66° angle, plus (x+2) has to add up to 90° too.
4 0
3 years ago
PLEASE HELP!!!!! Geometry
devlian [24]

Answer:

P = 49°

R = 131°

Q = 114°

S = 66°

Step-by-step explanation:

in a quadrilateral inscribed in a circle, the opposite angles are always supplementary, meaning they add up to 150

we are given opposite angles P and R (S is not given so we can't use Q and S)

P+R = 180

5y+14 + 15y + 26 = 180

20y + 40 = 180

20y = 140

y = 7

so...

P = 5(7) + 14 = 35 + 14 = 49

R = 180-49 (since opposite angles in inscribed quadrilaterals are supplementary) = 131

Q = (7)^2 + 65 = 49 + 65 = 114

S = 180-114 = 66

8 0
3 years ago
How to graph y=2x-4 x+3y=9
NikAS [45]
  • Answer:

Step-by-step explanation:

  • The point form: (3,2)
  • You solve for X
  • You solve for y
  • On the Y-axis where the 2 is you go 3 to the right and put your point right there above the 3.
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4 0
3 years ago
Write as an expression and simplify:<br> The square of the difference of x and 8y
lukranit [14]

Answer:

x² - 16xy + 64y²

Step-by-step explanation:

The difference of x and 8y is x - 8y

The square of the difference is (x - 8y)² = (x - 8y)(x - 8y)

Expand by multiplying each term in the second factor by each term in the first factor, that is

x(x - 8y) - 8y(x - 8y) ← distribute both parenthesis

= x² - 8xy - 8xy + 64y² ← collect like terms

= x² - 16xy + 64y²


6 0
3 years ago
The local grocery store usually sells large bottles of water for $2.69 each. This week they have a promotion, 3 large bottles fo
zlopas [31]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>It is $0.59 cheaper this week.</em>

▹ Step-by-Step Explanation

Generally - $2.69 EACH

This week - $6.30 for 3

$6.30 ÷ 3 = $2.10

$2.69 - $2.10 = $0.59

Hope this helps!

- CloutAnswers ❁

4 0
3 years ago
Read 2 more answers
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