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3 years ago

Kim paid 3/7 of a bill, Sherri paid 35% of the bill, and Judy paid the rest.

2 answers:

6 0

Sherri paid 35% of the bill.
Kim paid 43% of the bill.
Judy paid 22% of the bill.

A - Correct answer.
B - It can't be B because Sherri only paid 35% of the bill.
C - It can't be C because Judy only paid 22% of the bill.
D - It can't be D because Kim and Sherri both paid different amounts.

To work out how much Kim paid, you need to divide 1 by 7 and then multiply that by 3 to get 3/7.

To work out how much Judy paid, you need to add Kim's money together with Sherri's money and take that answer away from 100.

-Dominant- [34]3 years ago

5 0

A:Kim paid the most
Since 3/7 is 42.8%

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You have 42 ft. of fencing (1 ft. segments) to make a rectangular garden. How much should each side be to maximize your total ar

Verizon [17]

Answer:

$Length=10.5\ ft$

$Width=10.5\ ft$

$Area=110.25\ ft^{2}$

Step-by-step explanation:

Let

x----> the length of the rectangular garden

y---> the width of the rectangular garden

we know that

The perimeter of the rectangle is equal to

$P=2(x+y)$

we have

$P=42\ ft$

$42=2(x+y)$

simplify

$21=(x+y)$

$y=21-x$ ------> equation A

Remember that the area of rectangle is equal to

$A=xy$ ----> equation B

substitute equation A in equation B

$A=x(21-x)$

$A=21x-x^{2}$ ----> this is a vertical parabola open downward

The vertex is a maximum

The y-coordinate of the vertex is the maximum area

The x-coordinate of the vertex is the length side of the rectangle that maximize the area

using a graphing tool

The vertex is the point $(10.5,110.25)$

see the attached figure

$x=10.5\ ft$

Find the value of y

$y=21-10.5=10.5\ ft$

The garden is a square

the area is equal to

$A=(10.5)(10.5)=110.25\ ft^{2}$ ----> is equal to the y-coordinate of the vertex is correct

6 0

3 years ago

5. If z=10 find the value of Z3-3(2-10)

avanturin [10]

Answer:

Step-by-step explanation:

BEDMAS

z=10

(10)3-3(2-10)

=(10)3-3(-8)

=30-(-24) *2 negatives = a positive

=30+24

=54

3 0

2 years ago

A salesperson makes 18% commission on every TV sold. If the salesperson sold four TV’s at $885 each, how much commission did the

Levart [38]

Answer:

They made a $531 commission.

Step-by-step explanation:

The given is:

The price of each TV is $885

The commission is 18% on every TV sold

The salesperson sold 4 TV's

We need the value of the commission

Let us find the commission of every TV, then find the total amount of all

∵ The price of each TV is $885

∵ The commission is 18 %

→ Find 18% of $885

∴ The commission on every TV = 885 × 15%

∴ The commission on every TV = 885 × 15/100

∴ The commission on every TV = $132.75

∵ The salesperson sold 4 TV

∴ The commission on them = 4 × 132.75

∴ The commission on them = $531

They made a $531 commission.

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3 years ago

What is 3/4 plus 1 1/4?

bezimeni [28]

Answer:

14/4

Step-by-step explanation:

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3 years ago

Read 2 more answers

Find the roots of the quadratic equation w+w²/3=0

Daniel [21]

I assume that the equation you mean is below:

$\large \boxed{w + \frac{ {w}^{2} }{3} = 0}$

To find roots for this equation, we have to get rid of the denominator. We can do by multiplying both sides by 3.

$\large{w(3) + \frac{ {w}^{2} }{3} (3) = 0(3)} \\ \large{3w + {w}^{2} = 0}$

Factor w-term out (common factor)

$\large{w(3 + w) = 0} \\ \large{w = 0 \: \: \: or \: \: \: 3 + w = 0} \\ \large{w = 0, - 3}$

Answer

The roots of quadratic equation are 0,-3

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3 years ago