Evaluate the expression for x = - 9 and y = - 7. 2х - Зу 2x - 3y =

Q: m = Positive, Negative, Zero, Undefined?

A:

Q: Simplify: (-5)0+{-5)5

A: To simplify,  (-5)0+(-5)5

Q: 2 -2+ y? y

A: Topic= Graph

Q: value for χ2  when χ2a=0.975, v=5.

A: Given that Degrees of freedom (v) = 5 Level of significance (α) = 0.975 We will find the  χ2a=0.975,…

Q: a, =-2, r=5, S_ =-62 п

A:

Q: Evaluate the expression.

A: Given4-401023 - 21-23-60We have to evaluate it.

Q: - 23 < 3z – 5 < 22

A:

Q: dz z3 Vz? – 81

A: Given that, ∫dzz3z2-81 Used integration formulas: sec2u=1-tan2ucos2u=1+cos 2u2

Q: select all the expressions that can be used to find the price of a $500 after a 45% markup

A:

Q: Evaluate the expression when x = 6.3 and y = 4.5. 4.xy

A: Given: 4xy     ......(1)

Q: In a lab, the temperature of a fluid was decreased 6° per hour for 14 hours. What signed number…

A:

Q: Ing us. 1. y = 7* 2. y= 8*

A: 1)y=7x 2)y=8x^2+1.

Q: True or false: If r = 10 centimeters and θ = 20°, then s = 10 . 20 = 200 centimeters._______

A: Given information: The value of r=10 and θ=20°. Formula used: The arc length of the circle is S=rθ…

Q: Find å · b for å = (-2, ) and b = (-5, 12).

A:

Q: 3 Determine which expression is equivalent to 1 3 --r - x

A: Solve the expression

Q: Find the value of the question mark. + = 30 + = 18 = 2 = ? ..... The value of the question mark is

A: 3 burgers are of 30 means 1 burger is of 10   now 10 +  pair of donuts =18 means pair of donuts =8…

Q: The mixed number 3 6/100 as a decimal is Insert a Math Equation

A: We know that, a mixed number in simplified form  abc=a+bc

Q: Evaluate the expression. (3) - (1) •(3)-(3)-(?) - (3) -(¿)-(3)

A: Topic = Algebra

Q: X=7, Y=24 and Z=25

A: Use trigonometric ratio

Q: n, find a10. --67 C. -68 d. -69

A:

Q: -9

A:

Q: 니-22

A: y = 4 - x2

Q: Find a · b. a = (9, -4), b= (5, 6)

A: For two vectors, u=(a, b) and v=(c , d) dot product i.e. u.v is given by, u.v. = a.c + b.d

Q: Simplify. (-9,²+ 7y+2) + (-5,²+6y+5)- (4,²–3y+6) бу+

A: Given(-9y^2+7y+2)+(-5y^2+6y+5)-(4y^2-3y+6) =-9y^2+7y+2-5y^2+6y+5-4y^2+3y-6 =-18y^2+10y+1

Q: Evaluate ((-1)2-4)3 +5 . (-2)

A: Given: -12-43+5-2

Q: Do.! (9, - 6)=(

A:

Q: Select the expressions that are equivalent to -2(6z). (z + 6). -2 -12z -2 + 6z -2(6 + z)

A: -2(6z)

Q: y = 4 (1, 2.5) (0, 2)

A:

Q: 6. (r- 30)° ot

A: In this question ....we fint out all angles of triangles. we know that the sum of all angles of…

Q: Find a b. -3, b- (-5, 6)

A:

Q: u?(Vu + Vu) du

A:

Q: Simplify  3-1/y-5/4/y-5

A: Observe the following fact.

Q: y 51 1- 1 3 4 -2 -1 -1- -5 -4 -3 -2- -3 -4+ -5- 2.

A:

Q: T(1, -4, 2) =

A:

Q: find x* + 4 22. h(х) 5 Н2), А — 2), Ҝа), Ҝ-»), На — 2), А(VA)

A: Given- hx=x2+45 To find- h2,h-2,ha,h-x,ha-2 and hx.

Q: 7x- y = 14, for

A:

Q: find an a10 and s10 -1,2,5,...

A: Given, a1=-1a2=2a3=5To find,an=?a10=?s10=?

Q: y= -x +5 -5 O 10 O 25 O 50 5

A:

Q: Select the correct answer. Simplify:3•3^2+8/2-(4+3)

A:

Q: y 10 5 - 10 -5 5 10 (0, –2) (-1, –3) -5 -10

A:

Q: Enter a set of parentheses to make the equation =-8    6+3•2-4/2•5+8

A:

Q: Evaluate when x = 2 and y = 5. 3.,-2 25 2 O 25 32 50

A:

Q: Evaluate the expression. |3 - |-9||

A: we have to evaluate the expression. |3 - |-9||

Q: Evaluate the expression. (3) -(1) •(}) - (}) •()-(}) + 4

A: Please refer to the image below.

Q: Find .. a = (7, -4), b= (5, 8)

A:

Q: Find: 1- P(50<x< 150)? 2-P(x<100)? 3- P(x<50)?

A: here given pdf of x  f(x) = Ae-x100      x ≥00                  x&lt;0

Q: Evaluate the expression.

A: the given expressions are: (a) -6--4 (b) -1-1 we have to evaluate the given expressions.

Q: Compute (-3,-5, -1) (3,1,-4). (-3,-5, -1) (3,1,-4)= (Simplify your answer.) |

A: (-3,-5,-1)*(3,1,-4) here dot product is given  and we have to multiply this vector  formula use:…

Q: Find the value of y. 30 45° 15 2 30 2 15

A: We have to find the value of x and y