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OLEGan [10]
3 years ago
6

Please help!!!! I'll give brainlist

Mathematics
2 answers:
Ymorist [56]3 years ago
7 0

Answer:

Hello! answer: y = 122

Step-by-step explanation:

360 - 116 = 244 244 ÷ 2 = 122 therefore y = 122

Hope that helps!

Anvisha [2.4K]3 years ago
5 0

Answer:

x= z (vertically opposite angles)

x+z= 116

x+x = 116

2x= 116

x=116/2

x= 58

x+y= 180°(straight angle)

58°+y= 180°

y= 180°-58°

y = 122°

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Pleaaaaaaaaaase i neeeeeeeeeed help please noo links i need help
Salsk061 [2.6K]

Answer:

BADC

Step-by-step explanation:

-4x + 7 \geq 27  Subtract 7

-4x \geq 20  Divide both sides by -4

x \leq -5  B

3x - 10 < -25  Add 10

3x < -15  Divide by 3

x < -5  A

5(x - 2) > -15  Use distributive property

5x - 10 > -15  Add 10

5x > -5  Divide by 5

x > -1  D

x - 9 < -10  Add 9

x < -1  C

8 0
2 years ago
You save $500 in a retirement account at age 25. Is increased an average of 10% per year until you are 65. Which formula and res
rewona [7]
A=p (1+r)^t
A=future value=?
P=principle=500
R=interest rate=10/100=0.10
t= time=65-25

A=500×(1+0.10)^(65-25)
A=22,629.63
7 0
3 years ago
This extreme value problem has a solution with both a maximum value and a minimum value. use lagrange multipliers to find the ex
Natasha_Volkova [10]

We have ∇f(x,y,z) = ⟨4x3,4y3,4z3⟩ and ∇g(x,y,z) = ⟨2x,2y,2z⟩, so LaGrange’s method gives requires that we solve the following system of equations:

x2 + y2 + z2 <span>= 1
We split into four cases, depending on whether </span>x and y are zero or not:

4x3 = 2λx 4y3 = 2λy 4z3 = 2λz

(1) (2) (3) (4)

(a) x and y are both nonzero. Then equations (1) and (2) tell us that x2 = y2 = λ/2, and putting √√ √√√

this into equations (3) and (4) gives solutions (± 2/2, ± 2/2, 0) and (± 3/3, ± 3/3, ± 3/3). (b) x̸=0buty=0. Thenwehavex2 =λ/2,from(1)andputtingthisinto(4)givesλ/2+z2 =1,

√√ which using (3) gives solutions (±1, 0, 0) and (± 2/2, 0, ± 2/2).

(c) y ̸= 0 but x = 0. This is just like case (b) but with x and y reversed: the solutions are (0, ±1, 0) √√

and (0, ± 2/2, ± 2/<span>2).
(d) </span>x = y = 0. Then equation (4) tells us that z = ±1, so we get the two solutions (0, 0, ±1).

Now we determine which of these points are maxima and minima by simply evaluating f at all these points. We find that the maximum value of f is 1 and occurs at (±1, 0, 0), (0, ±1, 0), and (0, 0, ±1),

√√√√√√

while the minimal value is 1/3, and occurs at (± 3/3, ± 3/3, ± 3/3), (± 3/3, ± 3/3, ± 3/3), √√√

and (± 3/3, ± 3/3, ± 3/<span>3). </span>

4 0
3 years ago
Joey's height and Keith's height combined is 1/2 oof Steve's height. Write an equation to represent this statement.
Scrat [10]

Answer: j + k=s/2

Step-by-step explanation:

Joey height=j

Keith height=k

Steve height=s

j+k=1/2 of s

j+k=s/2

6 0
3 years ago
Solve the System of Equations -4x + 9y = 14 12x - 10y = - 8
12345 [234]

Answer:

(1, 2)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

-4x + 9y = 14

12x - 10y = -8

<u>Step 2: Rewrite Systems</u>

-4x + 9y = 14

  1. Multiply everything by 3:                    -12x + 27y = 42

<u>Step 3: Redefine Systems</u>

-12x + 27y = 42

12x - 10y = -8

<u>Step 4: Solve for </u><em><u>y</u></em>

<em>Elimination</em>

  1. Combine 2 equations:                    17y = 34
  2. Divide 26 on both sides:                y = 2

<u>Step 5: Solve for </u><em><u>x</u></em>

  1. Define equation:                    12x - 10y = -8
  2. Substitute in <em>y</em>:                       12x - 10(2) = -8
  3. Multiply:                                  12x - 20 = -8
  4. Isolate <em>x</em> term:                        12x = 12
  5. Isolate <em>x</em>:                                 x = 1
6 0
3 years ago
Read 2 more answers
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