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Verdich [7]
4 years ago
9

Which of the equations listed below are linear equations? Equation I: C=2*3.14*r Equation II: A = 3.14*r^2 Equation III: V = 4/3

*3.14*r^3
Mathematics
1 answer:
Ugo [173]4 years ago
3 0

Answer:

Equation I: C=2*3.14*r

Step-by-step explanation:

A linear equation is an equation whose highest exponent on the variable is 1.

C=2*3.14*r.................Exponent of 1

A = 3.14*r^2...............Exponent of 2

A = 3.14*r^2...............Exponent of 3

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Guys!!! I need help ASAP!!!!
loris [4]
<h2><u>Solution 1</u> :</h2>

Cost of 1\frac{1}{3}pounds of gummy bears = $4.40

Cost of 1 pound of gummy bears :

= 4.40 \div 1 \frac{1}{3}

=  \frac{440}{100}  \div  \frac{4}{3}

=  \frac{440}{100}  \times  \frac{3}{4}

=  \frac{1320}{400}

=  \frac{1320 \div 20}{400 \div 20}

=  \frac{66}{20}

=  \frac{66 \div 2}{20 \div 2}

=  \frac{33}{ 10 }

= 3 \frac{3}{10}

= \color{plum}\bold{\$3.3}

Therefore, 1 pound of gummy bears = <u>$3.3</u>

<h2><u>Solution 2</u> : </h2>

Cost of 1 pound of gummy bears = $3.3

Money Daniel has = $1.00

Quantity of gummy bears he can afford :

= 1 \div 3.3

= 1 \div 3 \frac{3}{10}

= 1 \div  \frac{33}{10}

= 1 \times  \frac{10}{33}

=  \frac{10}{33}

= 0.30

Therefore, Daniel will be able to buy <u>0.30 pounds</u> of gummy bears from Jio.

8 0
3 years ago
A bag of m&amp;m's has 4 red, 7 green, 8 blue, and 6 yellow m&amp;m's. what is the probability of randomly pickinga blue or gree
bogdanovich [222]

Step-by-step explanation:

a probability is always desired cases over total possible cases.

the bag has 4 + 7 + 8 + 6 = 25.

so, when we pick a random M&M we have total 25 possible outcomes.

the desired cases are to pick a green or a blue M&M.

that means these are 7+8 = 15 cases.

the probability to pick one or of the desired cases is

15/25 = 3/5 = 0.6

3 0
2 years ago
A force of 128 lb is required to hold a spring stretched 2 ft beyond its natural length. How much work W is done in stretching i
Agata [3.3K]

We have that the  workdone in stretching natural length to is mathematically given as

W=9/2lbft

<h3>Workdone in stretching natural length</h3>

Question Parameters:

  • A force of 128 lb is required to hold a spring stretched 2 ft <em>beyond </em>its natural length.
  • Stretching it from its natural length to 9 inches beyond its natural length

Generally the Hookes equation for the Force   is mathematically given as

F=Kx

Where

3.2lb=2ft*k

Thereofore

k=16

Force becomes

f=kx

f=16x

Hence

W=8[x^2]^{3/4}_{0}

W=9/2lbft

For more information on Length visit

brainly.com/question/2096451

6 0
2 years ago
Select all that apply
artcher [175]

x< -1 is the graph going down or up when x is less than -1?  its going down , so this is true

Range is the y values.  It appears to go down to y=5 and go up so its not all reals

x< -1 is the graph going down or up when x is less than -1?  its going down , so this isn't true

Domain is the x values and it does include all reals

Minimum (-1, 5), is that the value of vertex at the bottom, yes it is, so this is true

4 0
3 years ago
Which answer choice correctly simplifies the expression?
Mandarinka [93]
(x-5)(x-5)

x*x-5*x-5*x-5*-5

x^2-5x-5x+25

x^2-10x+25
8 0
3 years ago
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