an expression is shown: 8^2/(-4)^2+(-1/2) x 2^3 group of answer choices 64/-8 + 6/-2 -11 64/16 +8/-2 0

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

To simplify the given expression, let's follow the order of operations (PEMDAS/BODMAS) which stands for Parentheses/Brackets, Exponents/Orders, Multiplication/Division, and Addition/Subtraction.

First, we have exponents:

8^2 = 8 * 8 = 64

(-4)^2 = -4 * -4 = 16

2^3 = 2 * 2 * 2 = 8

Next, let's evaluate the multiplication:

(-1/2) x 2^3 = (-1/2) x 8 = -4

Now, we can perform the division:

8^2 / (-4)^2 = 64 / 16 = 4

Finally, let's simplify the expression by performing the remaining additions and subtractions:

4 + (-4) = 0

Therefore, the correct answer is 0.

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Please helppDetermine whether the sequence of mapping rules will lead to the image being congruent to the pre-image (x, y) -> (x - 2, y)

No or yes if yes then is it a translation or reflection, if no then will it be small or with the size of the pre image be changed?

Answers

Answer:

translation, pre-image wouldn't change

Step-by-step explanation:

8a2 + 6a = 5
how do I do this?

Answers

$8a^2 + 6a = 5 \n \n8a^2 + 6a -5 =0\n \n\Delta = b^(2)-4ac = 6^(2)-4*8* (-5)=36 +160=196\n \na_(1)=(-b-√(\Delta ))/(2a) =(-6- √(196))/(2*8)=(-6- 14)/(16)= (-20)/(16)=- (5)/(4)=-1(1)/(4)\n \na_(2)=(-b+√(\Delta ))/(2a) =(-6+√(196))/(2*8)=(-6+14)/(16)= (8)/(16)= (1)/(2)$

What is the equation of the line that passes through the points (-2,2) and (0,5)?

Answers

$(-2,2), \ \ \ (0,5)\n\nFirst \ find \ the \ slope \ of \ the \ line \ thru \ the \ points \: \n \n m= (y_(2)-y_(1))/(x_(2)-x_(1) ) \n \nm=( 5-2)/(0+2) = (3)/(2) \n \n Use \ point \ form \ of \ a \ line\ with \ one \ point: \n \n y-y_(1) =m(x-x _(1))\n\nm=(3)/(2), \ \ x_(1)=-2, \ \ y_(1)=2 \n \ny- 2 = (3)/(2) (x+2)\n\ny=(3)/(2)x +3+2 \n \ny=(3)/(2)x + 5$

Which prefix means one hundredth?

milli
deci
centi
deca

Answers

The answer to that is centi.

Answer: The answer to that is centi.

Help! please! idk the answer to this one

Answers

The ≥ symbol means "greater than or equal to," so now the problem reads x+5 is greater than or equal to 10. Therefore, the answer is the second option (first answer got deleted because I didn't show my work)

Solve this equation:
5/8y=-1

Answers

$(5)/(8) y = -1$

First, change $(5)/(8) y$ to $(5y)/(8)$ / Your problem should look like: $(5y)/(8) = -1$
Second, multiply both sides by 8. / Your problem should look like: $5y = -8$
Third, divide both sides by 5. / Your problem should look like: $y = -(8)/(5)$

Answer as fraction: y = $- (8)/(5)$
Answer as decimal: -1.6

5/8y=−1

Multiply both sides by 8/5.

(8/5)*(5/8y)=(8/5)*(−1)

y=−8/5

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