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dolphi86 [110]
3 years ago
6

3x + 5y = 9

Mathematics
1 answer:
Natali5045456 [20]3 years ago
4 0

Step-by-step explanation:

3x = 9 - 5y

9-5y+2y=3

9-3y=3

-3y=3-9

-3y=-6

y=2

3x +5y =9

3x + 5(2)= 9

3x + 10= 9

3x= 9-10

3x = -1

x= -1/3

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3) \triangle ABO, \triangle CDO are right triangles (a triangle with a right angle is a right triangle)

4) \overline{BO} \cong \overline{OD} (a midpoint splits a segment into two congruent parts)

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<u>Question 7</u>

1) \angle ADC, \angle BDC are right angles), \overline{AD} \cong \overline{BD}

2) \overline{CD} \cong \overline{CD} (reflexive property)

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<u>Question 8</u>

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2) \angle CDA, \angle CDB are right angles (perpendicular lines form right angles)

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8 0
2 years ago
What was done wrong ?
atroni [7]
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Answer:

yes

Step-by-step explanation:

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8 0
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