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2 years ago

I'm confused on the error and how to do the correct work.

Mathematics

1 answer:

lukranit [14]2 years ago

8 0

550-500 is not 500 it’s 50

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Convert the polar coordinates (3, -5 pi/3). to rectangular coordinates.

beks73 [17]

Answer:

See below

Step-by-step explanation:

x = 3 cos (-5pi/3) = 1.5

y = 3 sin (-5pi/3) = 2.598

6 0

2 years ago

(x+2)(x - 7)(x - 13)>0

vladimir2022 [97]

Answer:

-2<x<7 x>13

Step-by-step explanation:

5 0

3 years ago

-60+x-23=70 Need help

LekaFEV [45]

Answer:

x-83=70

x = 70 + 83

x= 153

4 0

3 years ago

For f(x) = x3 – x2, which gives an output of 48? O f(-8) O fl-4) O f(4) O f(8)

Misha Larkins [42]

Answer:

f(4)

Step-by-step explanation:

The output is the value of f(x) for a given value of x ( the input )

Substitute the given values of x into f(x) to determine the output, that is

f(- 8) = (- 8)³ - (- 8)² = - 512 - 64 = - 576 ≠ 48

f(- 4) = (- 4)³ - (- 4)² = - 64 - 16 = - 80 ≠ 48

f(4) = 4³ - 4² = 64 - 16 = 48

Thus f(4) gives an output of 48

4 0

2 years ago

Read 2 more answers

A cellular family phone plan cost $49 per minute plus five cents per minute of long distance service. Write an equation for the

miskamm [114]

The equation for monthly payment is b = 49.05M.

SOLUTION:

Given, a cellular family phone plan cost $49 per minute plus five cents per minute of long distance service. We have to write an equation for the monthly payment b when M minutes of long distance service are used.

Now, given that,

$\begin{array}{l}{\text { Monthly payment = } \$ 49 \text { per minute plus five cents per minute of long distance }} \\\\ {\Rightarrow \$ 49 \times \text { number of minutes }+\$ 0.05 \times \text { number of minutes of long distance }} \\\\ {\Rightarrow \mathrm{b}=49 \times \mathrm{M}+0.05 \times \mathrm{M} \rightarrow \mathrm{b}=49 \mathrm{M}+0.05 \mathrm{M} \rightarrow \mathrm{b}=49.05 \mathrm{M}}\end{array}$

Equation:

An equation is a statement that the values of two mathematical expressions are equal (indicated by the sign =)

5 0

3 years ago

I'm confused on the error and how to do the correct work.​

I'm confused on the error and how to do the correct work.