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wel
2 years ago
9

1.

Mathematics
1 answer:
koban [17]2 years ago
8 0

Answer:

D) $2.81

Step-by-step explanation:

3.8 x .74 = 2.81

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"In quadrilateral QRST, m∠Q is 68°, m∠R is (3x + 40)°, and m∠T is (5x − 52)°. What are the measures of ∠R , ∠S , and ∠T ? Write
34kurt
TQRS is an inscribed quadrilateral.
5 x - 52° + 3 x + 40° = 180°
8 x - 12° = 180°
8 x = 180° + 12°
8 x = 192°
x = 192° : 8 = 24°
m∠ R = 3 · 24° + 40° = 112°
m∠ T = 5 · 24° - 52° = 68°
m∠ S = 360° - ( 68° + 68° + 112° ) = 112°
Answer:  
m∠R, m∠S, m∠T = 112°, 112°, 68°.
4 0
3 years ago
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3 years ago
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5: 6/5

6: -3

7: 2/5

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2 years ago
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Use the dropdown menus to write an equation with infinitely many solutions.
nika2105 [10]

Answer:

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3 years ago
Type the correct answer in each box.<br><br> The value of x is °, and the value of y is <br> °.
Solnce55 [7]

Answer:

<h2>x = 60°, y = 50°</h2>

Step-by-step explanation:

We know: the angles measures in a triangle add up to 180°.

<em>(look at the picture)</em>

z + 50 + 60 = 180

z + 110 = 180    <em>subtract 110 from both sides</em>

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x = 60°

Angles x, y and z are on one side of a straight line. Therefore they add to 180°.

x + y + z = 180

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3 years ago
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