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NARA [144]
3 years ago
13

Need help ASAP please and thank you

Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0
The bottom choice is not equal to the original expression because it has an extra x
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Can anyone answer this
erik [133]

Answer:

Step-by-step explanation:

1. 10² + 7² = x²

 149 = x²

 x = √149

2. x² + 19² = 21²

 x² = 21² -  19² = 80

 x = √80 = 4√5

3. x² + 16² = 27²

 x² = 27² - 16² = 473

 x = √473

4. 5.3² + 12.8² = x²

 191.93 = x²

 x = √191.93

5. 9² + 20² = x²

 481 = x²

 x = √481

6. 31 = x + 2√(19²-17²) = x + 2·6√2 = x + 12√2

 x = 31 - 12√2

 

5 0
3 years ago
RSTUV - EABCD. Find AE.
larisa86 [58]

9514 1404 393

Answer:

  AE = 3

Step-by-step explanation:

First of all, we need to find corresponding sides that are defined in both figures. The table below shows the given values.

From the table, we can write the proportion ...

  EA/RS = BC/TU . . . corresponding sides are proportional

  EA/6 = 4/8 . . . . . . . substitute given lengths

  EA = 6(4/8) = 3

The length of AE is 3 units.

3 0
3 years ago
Evalvate functions helppp!?
AURORKA [14]
The answer is 19.. substitute -1 into the function whenever you see x put -1 there. This implies that 3+16 =19
6 0
3 years ago
Which of the following are examples of expenses:
BartSMP [9]

Answer:

Step-by-step explanation:

Only interest and car payments are expenses.

Student loans are a form of income which must be paid back with interest.

Paychecks are income.

Cash is a subset of Paychecks.

8 0
3 years ago
The Ferrari Testarossa and the Porsche 911 Turbo are 400 miles apart and headed straight toward each other. The Ferrari is going
ryzh [129]

Answer:

1.6 hours

Step by step explanation;

1 hour would make them only 150 miles apart, 60% of 120 and 60% of 130 added together is 150 mph, so 1.6 hours

Hope this helps :)

5 0
3 years ago
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