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iris [78.8K]
3 years ago
13

Topic: Parallel and Perpendicular Lines

Mathematics
1 answer:
Eddi Din [679]3 years ago
3 0

Answer:

Step-by-step explanation:

an equation perpendicular to the equation given will have a slope of -1, because a perpendicular slope is opposite and reciprical. if it goes through the point 4,-1 and has a slope of -1, the y intercept has to be 3. y = -x + 3

parallel lines have to have the same slope of 3.

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Explain why each of the following studies may fail to yield the desired information. (a) To determine the average annual income
harkovskaia [24]

Answer:

the following studies may fail to yield the desired information because

(a) i. some of the students might have died before 2015.

ii. Some people might lie based on the questionnaire sent.

So based on the two factors above the desired information might be altered or incorrect.

(b) i. individuals may be unwilling to provide accurate answers during the survey.

Step-by-step explanation:

Information may be altered when individuals are asked about their income or spending in other to show off to friends or the person asking the questions.

8 0
3 years ago
Is negative 12 a rational number or is it a integer
Dovator [93]
-12 is an integer because all fractions are rational numbers.
8 0
2 years ago
Read 2 more answers
All of the functions shown below are either exponential growth or decay functions.
AlekseyPX

Answer:

Step-by-step explanation:

If an exponential function is in the form of y = a(b)ˣ,

a = Initial quantity

b = Growth factor

x = Duration

Condition for exponential growth → b > 1

Condition for exponential decay → 0 < b < 1

Now we ca apply this condition in the given functions,

1). y=3.2(1+0.45)^{2x}

   Here, (1 + 0.45) = 1.45 > 1

   Therefore, It's an exponential growth.

2). y=(0.85)^{3x}

    Here, (0.85) is between 0 and 1,

    Therefore, it's an exponential decay.

3). y = (1 - 0.03)ˣ + 4

    Here, (1 - 0.03) = 0.97

    And 0 < 0.97 < 1

    Therefore, It's an exponential decay.

4). y = 0.5(1.2)ˣ + 2

    Here, 1.2 > 1

    Therefore, it's an exponential growth.

5 0
2 years ago
Lisa has 100 dollars in A savings account. The interest rate is 5% per year and is not compounded. How much interest will she ea
den301095 [7]
20 dollars, she will earn this because five percent of one hundred is five, times five by four and you get your answer of twenty!
7 0
2 years ago
Read 2 more answers
Sean used the $1,200 he got from his graduation party to open a savings account. If the account earns 1% interest each month and
Greeley [361]

Answer:

\$1,920

Step-by-step explanation:

we know that

The simple interest formula is equal to

A=P(1+rt)

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=5*12=60\ months\\ P=\$1,200\\r=0.01

substitute in the formula above

A=\$1,200(1+0.01*60)

A=\$1,200(1.6)=\$1,920

6 0
2 years ago
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