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Fynjy0 [20]
3 years ago
15

Use the properties of equality to solve the equation 3x+2-x=11x+9. State which property justifies your first step and why you ch

ose it. Check your solution
Mathematics
1 answer:
vfiekz [6]3 years ago
8 0
3x + 2 - x = 11x + 9
3x - x + 2 = 11x + 9
2x + 2 = 11x + 9

X= - 7 over 9

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olga55 [171]

Answer:

5.29 * 10^-5 is written as scientific notation.

For example:

9200 ---> 9.2 * 10³

123000 ---> 1.23 * 10^{5}

8640000 --->  8.64 * 10^6

where first number/letter should be between 1 - 10.

4 0
2 years ago
PPPPPPLLLLLLEEAAASSEE HELLLPPP WIL MARK BRAINLIEST the brackets for a shelf are in the shape of a triangle. Find the angles of t
ahrayia [7]

Answer:

Step-by-step explanation:

Sum of the angles of a triangle is ALWAYS 180°.

2x+3x+5x = 180°

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6 0
3 years ago
A plumber charges 130 to start job plus 56 per hour . How many hours did she work if the total bill is 214
iragen [17]

Answer:

The plumber worked for 1.5 hours

Step-by-step explanation:

y = 130 + 56x

Substitute 214 for y in the equation

214 = 130 + 56x

-130   -130                      Subtract 130 from both sides

84 = 56x                         Divide both sides by 56

1.5 = x

4 0
3 years ago
Read 2 more answers
James, Priya, and Siobhan work in a grocery Store. James makes $9.00 per hour. Priya makes 20% more than James, and Siobhan make
Levart [38]
9*1.2 is 10.8 10.8*.85 is 9.18 so she makes $9.18 a hour
7 0
3 years ago
Read 2 more answers
Help picture below problem 18
Natali [406]

<u>Solution</u><u> </u><u>:</u><u>-</u>

This triangle is a right angled triangle as we can see ∠POC, has a right angled sign. Now, we will assume the missing angle to be x, thus,

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x = 180° - 115°

x = 65°

Thus, the measure of missing angle is 65°.

Hope that helps. :D

3 0
2 years ago
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