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AysviL [449]
3 years ago
15

there are 30 students in a class and 18 of them own a pet. what fraction of the class own pets? give the answer in its simplest

form.
Mathematics
2 answers:
fgiga [73]3 years ago
8 0

Answer:

The answer is 3/5.

Step-by-step explanation:

It is given that there are 30 students in a class and only 18 students own a pet so you write it as :

no. of students / total students

= 18/30

= 3/5

Otrada [13]3 years ago
3 0

Answer:

3/5

Step-by-step explanation:

18/30 = 6/10= 3/5

You might be interested in
Let E=IR be the formula for voltage in a circuit, where E = volts, I =
Varvara68 [4.7K]

Answer:

The answer is ohms=4

Step-by-step explanation:

substitute the letters with numbers and solve:

E=IR

12=I 3

12/3=4

3 0
3 years ago
Tammy is saving money in a bank that charges a fee if the account is inactive for an extended period of time. The equation y=200
kaheart [24]

2000 is the y-intercept, it is the amount of money in the account initially.

<h3>Exponential function</h3>

An exponential function is in the form:

y = abˣ

where a is the initial value of y, b is the multiplier, y, x are variables.

Let y represent the amount in the bank after x years.

Given the function y=2000(0.64)ˣ

Hence:

a = 2000, b = 0.64

0.64 = 1 + x

x = -0.36 (36% decrease)

2000 is the y-intercept, it is the amount of money in the account initially.

Find out more on Exponential function at: brainly.com/question/12940982

7 0
2 years ago
1. Maryann is tracking the change in her vertical jump over 6 months. Use the table to write a linear function that models her j
ArbitrLikvidat [17]

Answer:

Part 1) Option A. f of x equals one half times x plus 16

Part 2) Option  A. x = 5

Part 3) Option C. x − 4y = −9

Part 4) Option A. The number of rides is the independent variable, and the total cost is the dependent variable.

Step-by-step explanation:

Part 1)

Let

x -----> the number of months

y ----> vertical jump in inches

step 1

Find the slope

we have the points

(0,16) and (2,17)

m=(17-16)/(2-0)=\frac{1}{2}

The equation of the line in slope intercept form is

y=mx+b

we have

m=\frac{1}{2}

b=16 -----> the point (0,16) is the y-intercept

substitute

y=\frac{1}{2}x+16

convert to function notation

f(x)=y

f(x)=\frac{1}{2}x+16

Part 2) What is the equation of a line that contains the points (5, 0) and (5, −2)?

step 1

Find the slope

we have the points

(5, 0) and (5, −2)

m=(-2-0)/(5-5)=\frac{-2}{0}

the slope is undefined

This is a vertical line (parallel to the y-axis)

therefore

The equation is

x=5

Part 3) Choose the equation that represents a line that passes through points (−1, 2) and (3, 1)

step 1

Find the slope

we have the points

(−1, 2) and (3, 1)

m=(1-2)/(3+1)=-\frac{1}{4}  

step 2

Find the equation of the line into point slope form

y-y1=m(x-x1)

we have

m=-\frac{1}{4}

point\ (3, 1)

substitute

y-1=-\frac{1}{4}(x-5)

Convert to standard form

Multiply by 4 both sides to remove the fraction

4y-4=-(x-5)

4y-4=-x+5

x-4y=-4-5

x-4y=-9

Part 4) Jewels has $6.75 to ride the ferry around Connecticut. It will cost her $0.45 every time she rides. Identify the dependent variable and independent variable in this scenario

we know that

The <u>independent variable</u> is the variable whose change isn’t affected by any other variable (An example the age and time)

The <u>dependent variable</u> it’s what changes as a result of the changes to the independent variable (An example of a dependent variable is how tall you are at different ages. The dependent variable (height) depends on the independent variable (age))

Let

x ----> the number of rides

y ----> the total cost in dollars

In this problem

The independent variable or input is the number of rides

The dependent variable or output is the total cost

5 0
3 years ago
What is the value of log256 4
Sauron [17]

Answer: 1/4 or 0.25

Step-by-step explanation: We will solve log256 4 in several steps to solve for x.

Step 1: Log256 4 = x

Step 2: 256x = 4                    ( Next, Use exponents )

Step 3: (2^8)x = 2^2

Step 4: 2^8x = 2^2

Step 5: 8x = 2  (Solve for x0

Step 6: 8x/8 = 2/8     = x = 1/4

Step 7 (The Answer) x, or log256 4 = 1/4 or 0.25

4 0
3 years ago
The area of a rectangle or a 48 square inches the length is 8 inches what is the measure of its width
adoni [48]
6 inches because area= length times width and 6 times 8= 48 inches
5 0
3 years ago
Read 2 more answers
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