What is 12minus 2 multiply 6 plus 2 divide by 2

Answers

Answer 1

Answer: $12-2*6+2/2 \n PEMDAS \n 12-(2*6)+(2/2) \n 12-12+1 \n 1$

Answer 2

Answer: $12-2*6+ (2)/(2) \n \n =12-12+1 \n \n =1$

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how to solve 4n²-3n-7=0

Answers

$4n^2-3n-7=0\n \n a=4, \ \ b=-3 \ \ c=-7\n \n \Delta = b^(2)-4ac = (-3)^(2)-4*4* (-7)= 9+112=121$

$x_(1)=(-b-√(\Delta ))/(2a) =( 3-√( 121))/(2*4)=( 3-11)/(8)= (-8 )/( 8)=-1 \n \nx_(2)=(-b+√(\Delta ))/(2a) =( 3+√( 121))/(2*4)=( 3+11)/(8)= (14 )/( 8)= (7)/(4)=1(3)/(4)$

$4n^2-3n-7=0\n\n\underbrace{(2n)^2-2\cdot2n\cdot(3)/(4)+\left((3)/(4)\right)^2}_((*))-\left((3)/(4)\right)^2=7\n\n(2n-(3)/(4))^2-(9)/(16)=7\n\n(2n-(3)/(4))^2=7+(9)/(16)\n\n(2n-(3)/(4))^2=(112)/(16)+(9)/(16)\n\n(2n-(3)/(4))^2=(121)/(16)\to2n-(3)/(4)=\sqrt(121)/(16)\ \vee\ 2n-(3)/(4)=-\sqrt(121)/(16)$

$2n=(11)/(4)+(3)/(4)\ \vee\ 2n=-(11)/(4)+(3)/(4)\n\n2n=(14)/(4)\ \vee\ 2n=-(8)/(4)\n\n2n=(7)/(2)\ \vee\ 2n=-2\n\nn=(7)/(4)\ \vee\ n=-1$

$(a-b)^2=a^2-2ab+b^2$

PLS anwser this simple question

Answers

Answer:

It's A) 2b+24x

Step-by-step explanation:

Darnell’s house was valued at $134,670 and it appreciated 3 percent per year. What is its value after 2 year? Round to the nearest dollar. A: $8,201 B:$142,871 C:$126,939 D:$277,541

Answers

Answer:

Option B is correct.

Step-by-step explanation:

Given: Value of House, P = $ 134,670

Rate of depreciation, R = 3% per year

Time, T = 2 years ⇒ n = 2

To find: value of house after 2 year that is A.

We know that

$A=P(1-(R)/(100))^n$

$A=134670(1+(3)/(100))^2$

$A=134670*1.0609$

A = 142871.403

A = $ 142871

Therefore, Option B is correct.

134,670×(1+0.03)^(2)=142,871

What is the equation of a horizontal line that passes
through the point (-4, -5)?

Answers

Answer: y=-5

Step-by-step explanation:

A horizontal line appears on the graph if it goes through the y-axis. Knowing this, the coordinate tells us that the y-coordinate is -5. This tells us that the equation of the line is y=-5.

The image of a parabolic mirror is sketched on a graph. The image can be represented using the function y = x2 + 2, where x represents the horizontal distance from the maximum depth of the mirror and y represents the depth of the mirror as measured from the x-axis. How far away from the maximum depth is a point on the mirror that is inches in depth? 3 inches 4 inches 5 inches 6 inch

Answers

The equation of the parabola is
y = x2 + 2
where x represents the horizontal distance from the maximum depth of the mirror and y represents the depth of the mirror as measured from the x-axis

We are asked to solve for the distance from the center of the parabola or simply the value of y given a value of x of 2 inches.

Substituting:
y = 2^2 + 2
y = 6 inches

its not 6 i put that and got it wrong

Given right triangle SIP such that i = 54 and s = 19, which of the following statements are true? Round to the nearest hundredth.

Answers

Answer:

(D) p = 50.55 (Round to the nearest hundredth).

Step-by-step explanation:

Given: Right triangle SIP such that i = 54 and s = 19.

To find: Which of the following statements are true, round to the nearest hundredth.

Solution: We have given that Right triangle SIP , i = 54 and s = 19.

By the Pythagoras theorem (IP)²+(SI)² = (SP)².

Plugging the values

(19)²+(p)² = (54)².

361+(p)² =2916

On subtracting both side by 361.

(p)²+ 361 - 361 =2916 -361

(p)² = 2555

Taking square root both sides .

√(p)² = $√(2555)$ .

p = 50.547

p = 50.55 (Round to the nearest hundredth).

Therefore, (D) p = 50.55 (Round to the nearest hundredth).

Hello,

sin S=19/54==>mes S=20.60...° A is false

cos P=19/54==>mes P=69.3993...° B is true
==> C is false

p =√(54²-19²)=50.5470...≈50.55 is true

Answer B AND D

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