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OLEGan [10]
3 years ago
12

Simplify the expression: (4 − 7i) + (1 − 2i). 3 − 9i 3 − 5i 5 − 9i 5 − 5i

Mathematics
1 answer:
motikmotik3 years ago
6 0

Answer:

5-9i

Step-by-step explanation:

If you add the 4 and 1 you get 5, and if you add -7i and -2i since they are both negative, they stay negative, so you get -9i.  So the answer is 5-9i.

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2&gt; -2-c. <br><br><br><br>how would I graph this?
REY [17]

Answer:

-4< c

Step-by-step explanation:

2> -2-c

Add 2 to each side

2+2> -2+2-c.

4 > -c

Divide each side by -1.  Remember that dividing by -1 will flip the inequality.

4/-1  < -c/-1

-4< c

6 0
3 years ago
Makayla is working two summer jobs, making $19 per hour tutoring and making $12 per hour landscaping. In a given week, she can w
Ivanshal [37]

Answer: 12 hours

Step-by-step explanation:

3 hours landscaping = $36

She still needs to make $224 to meet her requirement.

$224 divided by $19 tutoring = 11.79 hours

224÷19=11.79

Rounded to the nearest whole number: 12

This would mean Makayla worked a total of 15 hours and made $264. Which meets her requirements.

8 0
4 years ago
Factor the following expression.<br> 6x^2- 5x-1
jenyasd209 [6]

Answer:

X=(6x+1)(x-1) because you are factoring out

8 0
3 years ago
What is the volume of the figure below, which is composed of two cubes with side lengths of 9 units
Rufina [12.5K]
9 cubed. times 2 =
1458
6 0
3 years ago
What is the local minimum value of the function g(x)=x^4-5x^2+4? (Round answer to the nearest hundredth)
Svetllana [295]
The answer is
g'(x)=<span>4x^3-10x=0 so </span><span>(4x-10)x=0 it is  x= 0 and  x= 5/2
</span>
<span>g(0)=4
</span>
<span>g(5/2)=x^4-5x^2+4=11.81</span>
the minimum is  M(0, 4)

7 0
3 years ago
Read 2 more answers
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