Answer:
12i because we have the square root of -144, so we have 144 times -1, and we square root 144 to get 12, and the square root of -1 is i, so we have 12i.
Brainliest please?
If segment CD is congruent to segment XY, what is true about the two segments? PLEASE ILL GIVE BRAINIEST IF CORRECT
Answer:
CD overbar is congruent to XY overbar
I need help solving this
(cscB/cotB)=
Answer:
This would equal sec (B)
Step-by-step explanation:
HELP ILL GIVE BRAINLIEST Isabel can read 3.82 pages of a book in a minute. If she read for 2.70 minutes, how much would she have read?
Answer:
10.314
Step-by-step explanation:
PLZ HELP ME ASAP Select the correct answer from each drop-down menu.
A bank has two branches, one on West Avenue and the other on Water Field Road. The table gives the number of new accounts opened at each branch in the past 10 days.
West Avenue Branch Water Field Road Branch
7 18
9 20
6 12
11 15
7 7
9 6
5 11
12 13
10 19
4 11
The mean absolute deviation of the data for the West Avenue Branch is
A.2.2
B.2.6
C.2.8
The mean absolute deviation of the data for the Water Field Road Branch is
A.3.48
B.3.72
C.3.84
Based on the mean absolute deviations for the two data sets, we can conclude that the spread of the data for the West Avenue Branch is
A.lower
B.higher
than the spread of the data for the Water Field Road Branch.
Answer:
3.84, and lower. These are correct
Step-by-step explanation:
I did the test but I am not sure which is the answer for the first one. It’s is NOT 2.6
Answer:first blank is 2.2
Step-by-step explanation:
you find the mean of the data which is 8. Then you subtract every data point from 8, add them up and find the mean of the new numbers,
Which equation can be used to solve for the value of x in the diagram?
x + 40 + 115 = 180
40 + x = 115
x + 40 = 90
x = 40
Answer:
Its b
Step-by-step explanation:
I had to use multiple apps to get this but im pretty sure its b, its definitly not A c or D. I have this exact same test.
Sam deposits $1,000 into an account that pays 6% simple interest annually. He plans to take the money out after 3.5 years.
What will the balance in his account be after 3.5 years?
Answer: 1210
Step-by-step explanation:
Consider the equation and the graph. 2/x+4 = 3^x +1
2/x+4=3^x+1It's too short. Write at least 20 characters to explain it well.
Mary is trying to decide what potato chips she wants for a snack. In her variety bag there are 4 salt and vinegar, 2 BBQ, 12 Doritos, 2 plain, 4 sour cream and onion. If she reaches in the bag without looking what is the likelihood that she will choose a bag of Doritos?
Which of the following is the correct value for x?
Answer: 56
Step-by-step explanation:
Answer:
x = 55.94 degrees
Step-by-step explanation:
(to find x, use cosine) (cos = [tex]\frac{adjacent}{hypothenuse}[/tex])
First step: write out the equation
⇒ cos x = [tex]\frac{14}{25}[/tex]
Second step: find out what [tex]\frac{14}{25}[/tex] is
⇒ [tex]\frac{14}{25}[/tex] = 0.56
Third step: find out what the cos-1 of 0.56 is
⇒ cos-1 of 0.56 = 55.94
Fourth step: you got your answer
⇒ x = 55.94
At Value Market, potatoes cost $4.20 for 7 pounds. What is the unit price of a pound of potatoes at Value Market?
Answer:
$0.6
Step-by-step explanation:
1. 4.2 per 7 pounds
4.2 / 7 = 0.6
. A triangle has side lengths of 8, 7, and 14. To the nearest tenth of a degree find the measure of the angle opposite the side of length 8.
Given:
The measure of three sides of a triangle are 8, 7 and 14.
To find:
The measure of the angle opposite the side of length 8.
Solution:
According to the Law of Cosine:
[tex]\cos A=\dfrac{b^2+c^2-a^2}{2bc}[/tex]
Let a=8, b=7 and c=14, then by using Law of Cosine, we get
[tex]\cos A=\dfrac{7^2+14^2-8^2}{2(7)(14)}[/tex]
[tex]\cos A=\dfrac{49+196-64}{196}[/tex]
[tex]\cos A=\dfrac{181}{196}[/tex]
Taking cos inverse on both sides.
[tex]A=\cos^{-1}\dfrac{181}{196}[/tex]
[tex]A=22.561328[/tex]
[tex]A\approx 22.6[/tex]
Therefore, the measure of the angle opposite the side of length 8 is 22.6 degrees.
Due today almost time.
Answer:
angle 7and 8
angle 9 and 6
Step-by-step explanation:
Sarah uses a recipe to make 3 gallons of her favorite mixed-berry juice. The containers she plans to use to store the juice have a capacity of 1 pint.
Answer: 24 bottles
Step-by-step explanation: 1 gallon is 8 pints so 8*3 is 24 so 24 bottles
Science class begins at 1:30 PM and ends at 3:00 pm how many minutes long is science class
90 Minutes i think
\
please help asap What is the sum of the following two polynomials?
(3x2 – 5x + 3) and (-x2 – 3x)
Answer:
2x² - 8x + 3
Step-by-step explanation:
( 3x² - 5x +3) + (-x² - 3x)
= 3x² - 5x +3 - x² - 3x
= 3x² - x² - 5x - 3x + 3
= 2x² - 8x + 3
How do you complete the square algebra 1 bju
Answer:
8x^4
Step-by-step explanation:
x^2*x*8*x
=8*x^4
=8x^4
I believe I am accurate! So sorry if I am mistaken, I couldn't see the problem perfectly. Also, make sure to have the picture blurry it was very difficult to calculate the correct interpretation (even if I am correct).
Please Help me and i wil......i dunno just help
Answer:
I think c, - 1.8 is the answer
-1.6 (c)
My reasoning behind this is that the number would be logical considering the fact that the point is close to 0. Also, I ruled out the other choices, and here's how I did it:
I know that A is not the answer because that would make it farther back on the number line and the point B is closer to 0 than it is to 3.8 so, I know that A is not correct.
I know that B is not the answer because -5.23 would be farther behind point A which rules it out entirely.
I know that D is not the answer because 0.1 would be right after point c (0) meaning that the point can be ruled out right away.
That leaves the only logical answer to be C because it is closer to 0 but still in between points A and B.
Hope this helps and have a nice day.
-R3TR0 Z3R0
The simple interest on $12 000 invested at 8% per annum is $6720. Calculate the number of years for which the sum was invested. *
Answer:
7 years
Step-by-step explanation:
Given :
The Simple Interest earned, I = $ 6720
Rate of interest, r = 8% per annum
Principal amount, P = $12,000
We known that :
[tex]$I = \frac{P \times T \times r}{100}$[/tex]
Here t is the number of years of investment.
Therefore,
[tex]$t= \frac{I \times 100}{p \times r}$[/tex]
[tex]$t= \frac{6720 \times 100}{12000 \times 8}$[/tex]
t = 7
So, the sum was invested for 7 years.
Find all the factors of 32x
Answer:
The expression is not factorable with rational numbers.
32x
Step-by-step explanation:
PLease Help Will Mrk Brainliest
Answer:
x=81°
Step-by-step explanation:
The sum of all angles in a triangle is 180°
57+42=99
180-99=81
if you have 18 donuts that cost 50 cents. how much was two donuts?
Answer:
0.06euros (2dp)
Step-by-step explanation:
18 donuts = 0.50euros (50 cents)
1 donut = 0.03euros (2dp) (3 cents)
2 donuts = 0.06euros(2dp) (6cents)
Write 65/22 as a decimal. If necessary, use a bar to indicate which digit or group of digits repeats.
Answer:
2.954545454
Step-by-step explanation:
65/22 = 65 divided by 22. That is how many times 22 can go into 65
A decimal number has a decimal point in it. That is a whole number and some fraction that could be in tenths or otherwise.
65 is the numerator,
22 is the denominator
Using a calculator
65/22 = 2.9545454
2.29+2.59-0.50-0.30 please help me out
Answer: the answer is 4.08
Step-by-step explanation:
Answer:
4.08
Step-by-step explanation:
2.29+2.59-0.50-0.30 is equal to 4.08
it's just addition and subtraction haha
2⁄7 · n = 4 what is the answer
Answer: the answer is 14 if the 2 and 7 are a fraction and if it’s just 27xn=4 the answer is 4/27 and in decimal form it’s 0.148
Step-by-step explanation:
Answer: n=14
First, multiply 2/7xn which is 2n/7=4
Next, multiply both sides by 7 to get the 2n on one side by its self (2n=28)
Then divide 28 by 2 which gives you n=14
Hope that helps
This image is made of a rectangle and a triangle. Find its area in square meters.
Answer:
sorry i did my math wrong its...I think its 84 meters
At Graysons pancake house there are 86 dirty mugs and 774 clean coffee mugs. What percentage of the coffee mugs at the pancake house are dirty?
Answer:
10%
Step-by-step explanation:
86 + 774 = 860 total mugs
86/860 or 86 ÷ 860 = 0.1 or 10%
Identify the outlier in the data set, and determine how the outlier affects the mean, median, and mode of the data. Then tell which measure of central tendency best describes the data with and without the outlier. Justify your answer. 85, 91, 83, 78, 79, 64, 81, 97
Answer:
Kindly check explanation
Step-by-step explanation:
Given the data:
85, 91, 83, 78, 79, 64, 81, 97
Ordered data : 78, 79, 81, 83, 85, 91, 97
Mean:
Σx / n =
n = sample size = 8
(64+78+79+81+83+85+91+97) / 8
= 658 / 8
= 82.25
Median = 1/2(n+1)th term
1/2(8+1)th term = 1/2 * 9 = 4.5th term
(4th term + 5th term) /2 = (81 + 83) / 2 = 82
Mode = 85, 91, 83, 78, 79, 64, 81, 97
Outlier:
Lower = Q1 - 1.5(IQR)
Upper = Q3 + 1.5(IQR)
Using a calculator :
Q1 = 78.5 ; Q3 = 88 ;
IQR = (Q3 - Q1)
(88 - 78.5) = 9.5
Outlier :
78.5 - 1.5(9.5) = values < 64.25
88 + 1.5(9.5) = values > 102.5
Hence. Outlier is 64
Removing the Outlier :
Data = 78, 79, 81, 83, 85, 91, 97
Mean = 84.85
Median = 83
Based on the result, the median is the best measure of central tendency for the data:
HELP ME PLEASE
The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 2 mg.
What was the initial mass (in mg) of the sample?
What is the mass 5 weeks after the start?
Answer:
The initial mass of the sample was 16 mg.
The mass after 5 weeks will be about 0.0372 mg.
Step-by-step explanation:
We can write an exponential function to model the situation.
Let the initial amount be A. The standard exponential function is given by:
[tex]P(t)=A(r)^t[/tex]
Where r is the rate of growth/decay.
Since the half-life of Palladium-100 is four days, r = 1/2. We will also substitute t/4 for t to to represent one cycle every four days. Therefore:
[tex]\displaystyle P(t)=A\Big(\frac{1}{2}\Big)^{t/4}[/tex]
After 12 days, a sample of Palladium-100 has been reduced to a mass of two milligrams.
Therefore, when x = 12, P(x) = 2. By substitution:
[tex]\displaystyle 2=A\Big(\frac{1}{2}\Big)^{12/4}[/tex]
Solve for A. Simplify:
[tex]\displaystyle 2=A\Big(\frac{1}{2}\Big)^3[/tex]
Simplify:
[tex]\displaystyle 2=A\Big(\frac{1}{8}\Big)[/tex]
Thus, the initial mass of the sample was:
[tex]A=16\text{ mg}[/tex]
5 weeks is equivalent to 35 days. Therefore, we can find P(35):
[tex]\displaystyle P(35)=16\Big(\frac{1}{2}\Big)^{35/4}\approx0.0372\text{ mg}[/tex]
About 0.0372 mg will be left of the original 16 mg sample after 5 weeks.
what is the unit rate of 3 pounds of candy for $4.50
Answer:
The unit rate will be amount ÷ price
Thus,
3÷4.50
⇒ 0.66..........
And this means 0.66 will be the range.
Please help ASAP thank you!!!!
Answer:
41. f⁻¹(x) = -9x + 4
43. m⁻¹(x) = ∛(x-2)/4
Step-by-step explanation:
41. y = (4-x)/9
swap x and y: x = (4-y)/9
solve y: 9x = 4-y
y = -9x + 4
45. y = 4x³+2
x = 4y³+2
4y³ = x-2
y³ = (x-2)/4
y = ∛(x-2)/4
Let you do 42 and 46 by yourself