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Dennis_Churaev [7]

2 years ago

6

Pavel, Ruth and Josh have part-time jobs.

1 answer:

MrMuchimi2 years ago

8 0

M+m+z/3=3m
m+m+z=9m
2m+z=9m
z=7m
m+m+7m/3=3m
9m=9m
m=1
1+1+z/3=3
2+z=9
z=7
idk but i think that one person gets paid 7 dollars and the other ppl get paid 1 dollar----- this is probably veryyyyy wrong

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An electronics store is having a 15% off sale. Suppose the sale price(p) of a laptop is $495. Which statement are true for this

valentina_108 [34]

Answer:

The answer to the Question is D

5 0

2 years ago

Read 2 more answers

Diego paid $46.50 for 3 concert tickets while Andrea paid 139.50 for 9 tickets. Marisol states that Diego got the better deal be

Darina [25.2K]

Answer:

Marisol is incorrct Diego and Andrea paid the same amount for each ticket . This is because 46.5 times 3 equals to 139.50 so each ticket cost the same amount of money.Since Andrea paid for 9 tickets and Diego for 3 you multiply the cost by 3 so you get the answer and see if its less or greater than Andreas aount of money.

Step-by-step explanation:

7 0

2 years ago

2. The width of a rectangle is 5 units less than the length. If the area is 150 square units, then find the dimensions of the re

xz_007 [3.2K]

Answer:

The length = x = 15 units

The width = x-5 = 10 units

Step-by-step explanation:

Let 'x' be the length of a rectangle

As the width of a rectangle is 5 units less than the length.

so

width of rectangle will be = w = x - 5 units

Area = 150 square units

Using the formula

Area = length × width

$150=\left(x\right)\left(x-5\right)$

$150=x^2-5x$

$x^2-5x=150$

Subtract 50 from both sides

$x^2-5x-150=150-150$

$x^2-5x-150=0$

$\left(x+10\right)\left(x-15\right)=0$

if

$ab=0\:\mathrm{then}\:a=0\:\mathrm{or}\:b=0\:\left(\mathrm{or\:both}\:a=0\:\mathrm{and}\:b=0\right)$

$x+10=0\quad \mathrm{or}\quad \:x-15=0$

$x=-10,\:x=15$

As length can not be negative. so

x = 15 units

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5 0

2 years ago

Suppose that f(x) is the (continuous) probability density function for heights of American men, in inches, and suppose that f(69

anastassius [24]

Answer:

(a) 7.6%

(b) 46.2% 42.4%

Step-by-step explanation:

(a)According to the definition of Continuous probability distribution

$f(x) = \frac{d}{dx}F(x)$

$f(x) = \frac{F(x + h) - F(x - h)}{(x + h) - (x - h)}$

$f(69) = \frac{F(69 + 0.2) - F(69 - 0.2)}{0.4}$

⇒ 0.19 × 0.4 = F(69.2) - F(68.8)

⇒ F(69.2) - F(68.8) = 0.076

⇒ 7.6%

(b) Given F(69) = 0.5

$f(x) = \frac{d}{dx}F(x)$

$f(x) = \frac{F(x) - F(x - h)}{x - (x - h)}$

$f(69) = \frac{F(69) - F(69 - 0.2)}{0.2}$

⇒ 0.19 × 0.2 = F(69) - F(68.8)

⇒ F(68.8) = 0.5 - 0.038 = 0.462

⇒ 46.2%

$f(x) = \frac{d}{dx}F(x)$

$f(x) = \frac{F(x) - F(x - h)}{x - (x - h)}$

$f(69) = \frac{F(69) - F(69 - 0.4)}{0.4}$

⇒ 0.19 × 0.4 = F(69) - F(68.8)

⇒ F(68.8) = 0.5 - 0.076 = 0.424

⇒ 42.4%

5 0

3 years ago

place parentheses in the equation below so that you solve by finding the difference between 28 and 3 Write the answer 4×7-3=

Degger [83]

(4x7) -3
(28) -3
28-3 = 25

6 0

2 years ago