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Delicious77 [7]
1 year ago
10

1. Graph each point on the imaginary plane. The first number x is along thehorizontal axis, referred to as the real axis. The se

cond number y is along thevertical axis, referred to as the imaginary axis. Record the values of x and y. Then graph the points.Then graph the points.imaginary bais. Recordsnecoration(x + yi)ху(3 - 41)2(-5-21)O2(4 + 3i)2(-2+ 41)4

Mathematics
1 answer:
AlekseyPX1 year ago
4 0
z=3-4i

z=-5-2iz=4+3iz=-2+4i

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Solve the equation by factoring.
Delicious77 [7]

Factorizing an expression involves writing the expression in simpler forms

The values of z are z = \frac 15 or z=4

The equation is given as:

5z^2 - 21z + 4 = 0

Expand the equation

5z^2 - 20z -z + 4 = 0

Factorize the expression:

5z(z - 4) -1(z - 4) = 0

Factor out z - 4

(5z - 1)(z - 4) = 0

Split

5z -1 = 0 or z - 4 = 0

Solve for z

z = \frac 15 or z=4

Hence, the values of z are z = \frac 15 or z=4

Read more about factorization at:

brainly.com/question/11579257

6 0
2 years ago
Read 2 more answers
In the picture PLEASE HELP
Debora [2.8K]
I believe it's not a function because the input (x) 4 has two outputs(y), 2 and 8.
5 0
3 years ago
London was offered a job that paid a salary of \$93,000$93,000 in its first year. The salary was set to increase by 2% per year
Tema [17]

Answer: Amount = $143776

Step-by-step explanation:

Given that London was offered a job that paid a salary of $93,000 in its first year. The salary was set to increase by 2% per year every year.

Let P = 93000

Rate R = 2%

The amount of salary he will receive after 22 years can be calculated by using exponential equation

A = P(1 + 2%)^t

Where t = 22 years

A = 93000(1.02)^22

A = 93000 × 1.545979

A = 143776.11 dollars

5 0
3 years ago
Read 2 more answers
According to the school survey, 12% of the students at rock wood junior high school speak Spanish. There are 36 students at the
exis [7]

Answer:

They surveyed 300 students

Step-by-step explanation:

In order to find this, take the number who said they speak Spanish and then divide that number by the percentage.

36 students / 12% = 300 total students.

6 0
3 years ago
Which of the following comparisons is FALSE?
dybincka [34]

Answer:

A

Step-by-step explanation:

Let's check each one-by-one.

a.

we know 3.79 liters is 1 gallon, so 4 liters IS NOT LESS THAN 1 gallon

THis is false.

b.

We know 1 feet is 0.30 meters, so definitely 1 foot is less than 1 meter.

This is true.

c.

we know around 28.35 grams is 1 ounce, so definitely 25 grams is less than 1 ounce.

THis is true.

d.

We know 1 km is approximately 0.62 miles so 10 km would be around 0.62*10 = 6.2 miles

So definitely 9 miles IS GREATER than 10 km.

THis is true.

So answer choice A is false, only.

4 0
3 years ago
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