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3 years ago

Phoebe is concerned that it the error is not fixed, her pay increase wll be less in future

Mathematics

1 answer:

SSSSS [86.1K]3 years ago

3 0

The difference in the pay rate of Phoebe in 5 years will be $11850

<h3>How to calculate the pay? </h3>

Your information is incomplete. Therefore, an overview will be given. Let's assume that the pay rate is $20000. When there is a 5% increase, the new pay rate will be:

= $20000 + (5% × $20000)

= $20000 + $1000

= $21000

When there is $0.75 increase per hour, the new pay rate on 5 years will be:

= (0.75 × 43800)

= $32850

The difference will be:

= $32850 - $21000

= $11850

Learn more about pay on:

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5+8 to the power of -2 x2-

vagabundo [1.1K]

5+8=13
-2x-2 = 4
13 to the fourth power = 13x13x13x13 =28561
28561 is your answer

4 0

4 years ago

Chau's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Chau $5.50 per pound, and type B

Anettt [7]

84 pounds of Type B coffee is used

Solution:

Let "x" be the pounds of type A coffee

Let "y" be the pounds of type B coffee

Cost per pound of type A = $ 5.50

Cost per pound of Type B = $ 4.20

This month, Chau made 143 pounds of the blend

x + y = 143

x = 143 - y -------- eqn 1

For a total cost of $677.30. Thus we frame a equation as:

pounds of type A coffee x Cost per pound of type A + pounds of type B coffee x Cost per pound of Type B = 677.30

$x \times 5.50 + y \times 4.20 = 677.30\\\\5.5x + 4.2y = 677.30 -------- eqn 2$

Let us solve eqn 1 and eqn 2

Substitute eqn 1 in eqn 2

$5.5(143-y) +4.2y = 677.30\\\\786.5 -5.5y + 4.2y = 677.30\\\\5.5y - 4.2y = 786.5 - 677.30\\\\1.3y = 109.2\\\\Divide\ both\ sides\ by\ 1.3\\\\y = 84$

Thus 84 pounds of Type B coffee is used

8 0

3 years ago

0.55a - a I don’t understand how this comes out to -0.45a. Can someone explain?

Dmitry [639]

Step-by-step explanation:

please give me brainlest

8 0

3 years ago

Read 2 more answers

HELP I WILL GIVE 100 POINTS!!! NO FAKE ANSWERS, PLEASE ANSWER ALL PARTS!!

katrin2010 [14]

option 1 is not linear because it does not change by the same amount every year. It does not have a constant slope.

option 2 increases by 100 per year, constant slope, straight line, linear

-----------------------

a = A y^n

1100 =A y

1210 = Ay^2

1331 = A y^3

---------------

1210/1100 = y = 1.1

check 1331/1210 = y = 1.1 sure enough

1100 = A (1.1)

A = 1000

a = 1000 * 1.1^n

and the linear option 2

a = 1000+100n

You can put the numbers in for part C

10% compounded is better than 10% simple :)

5 0

3 years ago

What is the value of x? 12 inches 7 inches 49 inches 35 inches.

Papessa [141]

Answer:

98 inches or 8.16667 feet

Step-by-step explanation:

(12 + 7 + 45 + 35) = 98 divided by 12 = 8.16667

6 0

3 years ago