1 year ago

Can you guys help me with this please the question is on the screen shot

Mathematics

1 answer:

iVinArrow [24]1 year ago

5 0

NDEBCHFA is the answer

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Which expression represents a negative number?

lina2011 [118]

Its C.

Negative x Negative is positive, so its not A or D.

Positive x Positive is Positive, so its not B either.

C is your option because Positive x Negative is Negative, and vice verca.

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2 years ago

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Determine the values of x when f(x)=40 for the function f(x)=2(x-3)^2-8

SpyIntel [72]

Answer:

x = 3 ± $\sqrt{24}$

x = 3 + $\sqrt{24}$ , x = 3 - $\sqrt{24}$

Step-by-step explanation:

given f(x) = 2(x - 3)^2 - 8, find when f(x) = 40

So, we plug in 40 for f(x) in the 1st equation and solve for x. (Aim to got x on its own)

40 = 2 (x - 3)^2 - 8

+ 8 + 8

-----------------------------

48 = 2 (x - 3)^2

/2 /2

-----------------------------

24 = (x - 3)^2

square root both sides

--------------------

$\sqrt{24}$ = x - 3

x = 3 ± $\sqrt{24}$

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2 years ago

Six more than 1/5 a number is 12. What is the number

suter [353]

Answer:

Step-by-step explanation:

let x be the number

6+1/5x=12

1/5x=12-6

1/5x=6

x=5*6

x=30

check: 6+(1/5*30)=6+6=12

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2 years ago

For an activity in class, students used pieces of string to measure roads on a map. They used a map scale to determine the dista

jeka57 [31]

Answer:

C 152

Step-by-step explanation:

Beacuse it is. Hope that helps

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3 years ago

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Is the square root of 10 greater less than or equal to 5

Ierofanga [76]

Answer: it is less then 5

Step-by-step explanation:

Because 10 lies between two consecutive perfect squares (in increasing order) 10 is located between the square roots of these two numbers. This means that 10 is located between 10 is less than 5.

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