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Marianna [84]
2 years ago
10

Determine whether the graphs of any of the following equations are parallel or perpendicular. Explain

Mathematics
1 answer:
bixtya [17]2 years ago
5 0

Answer:

y=4x and x+4y=12 are perpendicular because they have opposite reciprocal slopes

Step-by-step explanation:

y=4x slope is 4

x+4y=12 slope is -1/4

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What is the relationship between 1's in 911,147,835
Lelu [443]
The relationship between 1’s in the value of 911, 147, 835 shows their numerical order in the number. In which to further elaborate we shall break down the number into its expanded form and word form: <span><span>1. </span>900, 000, 000 = nine hundred million</span> 10, 000, 000 = ten million 1, 000, 000 = one million 100, 000 = one hundred thousand 40, 000 = forty thousand 7, 000 = seven thousand 800 = eight hundred 30 = thirty 5 = five <span><span>2. </span><span> Nine hundred eleven million one hundred forty-seven thousand eight hundred and thirty five. </span></span>



4 0
2 years ago
A student multiplies (4+5i) (3-2i) incorrectly and obtains 12-10i what is the students mistakes
Rufina [12.5K]

Answer:

1. In the multiplication of the imaginary parts, the student forgot to square of i. OR

2. The student has only multiplied the real parts and the imaginary parts.

Correct value =22+7i.

Step-by-step explanation:

The given expression is

(4+5i)(3-2i)

A student multiplies (4+5i) (3-2i) incorrectly and obtains 12-10i.

Student's mistake can be either 1 or second:

1. In the multiplication of the imaginary parts, the student forgot to square of i.

2. The student has only multiplied the real parts and the imaginary parts.

(4+5i)(3-2i)=4\times 3+5\times (-2)i=12-10i

Which is not correct. The correct steps are shown below.

Using distributive property, we get

4(3-2i)+5i(3-2i)

4(3)+4(-2i)+5i(3)+5i(-2i)

12-8i+15i-10i^2

12+7i-10(-1)       [\because i^2=-1]

12+7i+10

22+7i

Therefore, the correct value of (4+5i)(3-2i) is 22+7i.

4 0
3 years ago
3/4 of what number is 8 more than 25
Ainat [17]

Answer:

3/4 of 44 is 8 more than 25

Step-by-step explanation:

8 more than 25, is 33.

33 is 3/4 of 44.

because 33 divides by 3 will be 11, then times 4, you will get 44.

7 0
3 years ago
A snail travels at a rate of 2.35 ft per minute. How far will the snail travel in 5 minutes
JulsSmile [24]
I believe that you would just multiply 2.35*5 and that would be your answer.
=11.75
4 0
3 years ago
Read 2 more answers
A random sample of 15 college soccer players were selected to investigate the relationship between heart rate and maximal oxygen
AysviL [449]

Answer:

C) The confidence interval is not biased.

Step-by-step explanation:

When a relationship between two variables is observed the confidence interval should not be biased. If the confidence interval is found to be biased then the observed results will be reliable and accurate. Regression analysis of  heart rate and maximal oxygen uptake is analyzed and the correlation will not be equal to zero. This means there will be some correlation between the two variables.

4 0
3 years ago
Read 2 more answers
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