3 years ago

Please help!! please please

Mathematics

1 answer:

Leona [35]3 years ago

5 0

I honestly don'y know i'm really sorry.

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9) Which solution is correct? Be sure to check for extraneous solutions.

shutvik [7]

(x+3)2 = x2+6x+9

(x+2)2 = x2+4x+4

(x-1)2 = x2-2x+1

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3 years ago

50 POINTS HELP ASAP PLZ What is the equation of this line?

RSB [31]

Answer:

i think its the third one

Step-by-step explanation: im srry if im wrong doe

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3 years ago

Mrs Franklin's speedometer said she was driving at a rate of 48 miles per hour. When checking the accuracy of her speedometer, a

Ket [755]

The percent error is 4.167 %

Solution:

Given that, Mrs Franklin's speedometer said she was driving at a rate of 48 miles per hour

When checking the accuracy of her speedometer, an Automotive Specialist recorded her speed at 50 miles per hour

The percent error is given by formula:

Percent error is the difference between a measured and known value, divided by the known value, multiplied by 100%

$\text{Percent error } = \frac{\text{experimental-theoretical}}{theoretical} \times 100$

From given,

Experimental value = 50

Theoretical value = 48

Substituting the values in formula, we get,

$Percent\ Error = \frac{50-48}{48} \times 100\\\\Percent\ Error = \frac{2}{48} \times 100\\\\Percent\ Error = 4.167$

Thus the percent error is 4.167 %

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3 years ago

Olive reads 4 books every month for school. How many books does she read in 8 months?

Novosadov [1.4K]

Answer:

32 books.

Step-by-step explanation:

What do we know?

As Olive continues this pattern, this will involve multiplication.

4 books per month and 8 months.

4*8=32 books.

So, Olive will read 32 books within 8 months.

6 0

3 years ago

The triangles below are congruent, with △ABC ≅ △DEF. The following lengths are given in centimeters: AB⎯⎯⎯⎯⎯ = x + 1, AC⎯⎯⎯⎯⎯ =

stiks02 [169]

Answer:

It is Def because in a game Def means defend

Step-by-step explanation:

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2 years ago