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2 years ago

2. Déla compró un vestido en la venta del 20% ella pago $57.60 por su vestido

Mathematics

1 answer:

ikadub [295]2 years ago

3 0

Answer:

Step-by-step explanation:

El precio original del vestido es,

72 dolares

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Solve for the value of z

zloy xaker [14]

Answer:

Step-by-step explanation:

The two angles shown are a linear pair. Their sum is 180°.

(4z -8)° +(3z +6)° = 180°

7z = 182 . . . . . . . . . divide by °, add 2

z = 26 . . . . . . . . . . divide by 7

3 0

2 years ago

Read 2 more answers

1. MONDAY (5/18): Which of the following functions matches the graph to the right

Strike441 [17]

Answer:

a.) f(x) = -⅙(x+3)²+6

Step-by-step explanation:

The maximum value, our vertex, is at point (-3,6).

We can insert this value into the vertex form of a quadratic function and then solve for a as follows...

$4.5 = a(0 +3)^2 +6\\4.5=a(9)+6\\-1.5 = 9a \\-.17=a\\a = -1/6$

a equals -1/6... We can input this into the original equation we used...

f(x) = -1/6(x+3)^2+6

Good luck on the bellwork ;)

7 0

2 years ago

Ashley arranged the following list of numbers below: 5,2,7,8,2,5,3. Find the mean and median.

jok3333 [9.3K]

Mean is the average of all numbers

(5+2+7+8+2+5+3)/7

Mean is 4.57

Median is the middle score so we have to arrange all the numbers from lowest to highest

2, 2, 3, 5, 5, 7, 8

Median is 5

3 0

1 year ago

At a certain college, 28% of the students major in engineering, 18% play club sports, and 8% both major in engineering and play

Alex

Answers: 0.286

Explanation:

Let E → major in Engineering

Let S → Play club sports

P (E) = 28% = 0.28

P (S) = 18% = 0.18

P (E ∩ S ) = 8% = 0.08

Probability of student plays club sports given majoring in engineering,

P ( S | E ) = P (E ∩ S ) ÷ P (E) = 0.08 ÷ 0.28 = 0.286

8 0

2 years ago

I dont understand this

Westkost [7]

Answer:

$\dfrac{1}{2x(x-1)}$

Step-by-step explanation:

Given

$\dfrac{x^2+2x+1}{x^2-1}\div (2x^2+2x)$

Consider the numerator:

$x^2+2x+1=(x+1)^2$

Consider the denominator:

$x^2-1=(x-1)(x+1)$

Hence, the fraction becomes

$\dfrac{(x+1)^2}{(x-1)(x+1)}=\dfrac{x+1}{x-1}$

Consider the expression in brackets:

$2x^2+2x=2x(x+1)$

Divide:

$\dfrac{x^2+2x+1}{x^2-1}\div (2x^2+2x)=\dfrac{x+1}{x-1}\div 2x(x+1)=\dfrac{x+1}{x-1}\times \dfrac{1}{2x(x+1)}=\dfrac{1}{2x(x-1)}$

4 0

2 years ago