Can someone help me figure this out? The explanation gave me no idea on how to do this.
Answers
(x^4 + 5x^2 -36) = 0 (2x^2 +9x-5)=0
(x^2 -4) ( x^2 +9) = 0 (2x-1) ( x+5) = 0
(x-2) (x+2) (x^+9) = 0 (2x-1) (x+5) = 0
So from this w get :
x = 2 , -2
x= 1/2
x = -5
x= 3i , -3i
and write them in the cells
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Answers
50/20=2.5
both carpenters are working at the same speed rate as 2.5=2.5
Answers
x(6 + 2i) = 1
x = 1/(6 + 2i) = (6 - 2i)/(6 + 2i)(6 - 2i) = (6 - 2i)/(36 - 12i + 12i + 4) = (6 - 2i)/40
(6 + 2i) (6 - 2i) = 36-12i+12i-4i^2
As i^2= -1 . So ,
= 36+4
= 40
So 40 +is the correct answer.
Answers
Answer:
see explanation
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
y - 5 = (x + 2) ← in point- slope form
with slope m = and (a, b) = (- 2, 5 ) ← point on line
b) x = 6, y = 11
c) x = 8, y = 10
d) x = -10, y = 7
Answers
12 weeks
b.
13 weeks
c.
14 weeks
d.
15 weeks
Answers
It take him to save at least $4,800 is 14 weeks.
Option (C) is correct.
To find the time it take him to save at least $4,800.
What is arithmetic?
The branch of mathematics dealing with the properties and manipulation of numbers.
Given that :
22 hours / week
1 hour = $15.80
So, if he works 22 hours per week he take total home pay is
=22 * 15.80
= $347.60
This means that he makes $347.60 per week.
If it take him to save at least $4,800 then
=4,800 divided by 347.60 is 13.8089758343
In decimal can't have 0.8 of a week, so round up. This means it will take him about 14 weeks.
So, it take him to save at least $4,800 is14 weeks.
Learn more about arithmetic here:
#SPJ6
1 hr = $15.80
22 * 15.80 = $347.60
This means that he makes $347.60 per week.
4,800 divided by 347.60 is 13.8089758343
You can't have 0.8 of a week, so round up. This means it will take him about c, 14 weeks.
A. 5
B. 6
C.55
D. 56
Answers
Answer: Option C. 55
Solution:
The key for a stem-and-leaf plot is:
12 | 5 = 12 5
Stem | Leaf = Stem Leaf
55 | 6 = 55 6
Stem: 55
Leaf: 6
Answer:
C. 55
Step-by-step explanation:
In a stem and leaf plot, the quantitative data can be presented in a type of graphical format in which the "leaf " represents the last digit, and the stem represents the first digit or digits.
In this case the leaf is the at the end, and the stem is the remaining digits, which is 55.