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Inessa [10]
3 years ago
11

Help me please I’m stuck

Mathematics
2 answers:
Sav [38]3 years ago
7 0

Answer:

x=-5/9

Step-by-step explanation:

kari74 [83]3 years ago
6 0

Answer:

20 over 9 or 2.2222222222

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Que alguien me ayude cuanto hace q yo sali de escuela​
swat32

Answer:

a=20 m²

b=21 cm²

c=36 dm²

Step-by-step explanation:

A) 12²+16²=a²

144+256=a²

400=a²

√400=a

a=20

B) 28²+b²=35²

784+b²=1225

b²=1225-784

b²=441

b=√441

b=21

C) c²+15²=39²

c²+225=1521

c²=1296

c=√1296

c=36

7 0
2 years ago
–6 (b+3) = -8b +5 What value of b makes the equation true?​
Andreas93 [3]

Answer:

b = -5/2

Step-by-step explanation:

- 6 (b + 3)= - 8 + 5

- 6b - 18= - 3

- 6b= - 3 + 18

- 6b= 15

b= - 15/6

b= - 5/2

6 0
3 years ago
Read 2 more answers
Steve drove 9 1/2 hours at 66 miles per hour. What distance, in miles, did he travel?
Lynna [10]

Answer:

627 miles

Step-by-step explanation:

66×9.5=627 miles

7 0
3 years ago
Brian started working at Domino’s in order to build his savings account. He started off with $33 dollars in his account, then ev
iragen [17]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The Empire State Building weighs about 7.3×108pounds. The One World Trade Center building weighs about 88,200,000 pounds. What i
In-s [12.5K]

Answer:

8.182X10^8 $pounds

a=8.182 and b=8

Step-by-step explanation:

Weight of the Empire State Building =7.3X 10^8 pounds.

Weight of the One World Trade Center building= 88,200,000 pounds.

=8.82 X 10^7

The addition of the two:

=7.3X 10^8+8.82 X 10^7\\$To make it easier to add, express both as powers of 8\\=7.3X 10^8+0.882 X 10^8\\=(7.3+0.882)X10^8\\=8.182X10^8 $ pounds

Comparing with the form: aX10^b

a=8.182 and b=8

4 0
3 years ago
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