Need help with number 13
Answer:
What's the question?
Step-by-step explanation:
Step-by-step explanation:
area of parallelogram=base×height=32×25=800cm²
Annie was earning $12.50 per hour at her job. She recently received a 10% raise. She has also decided she will put 1/5 of her new salary in savings. If Annie worked 40 hours in one week, how much is she putting into savings each week?
Answer:
$110
Step-by-step explanation:
I need help fast I appreciate the help
Answer:
3/5
Step-by-step explanation:
Sin is opp/hyp so it would be 30/50 in lowest form it would become 3/5
Answer:
c. 3/5
Sin C = Perpendicular/ Hypotenuse
= 30 / 50
= 3/5
represent 35 in many ways
Answer:
............
Step-by-step explanation:
Thirty five
30+5
I need help on slope. Anything concerning slope. Any advice you have would be worth a whole lot.
ABCD- parallelogram, If the perimeter of Triangle CPQ is 15cm, Find the perimeter of triangle BAQ. Find the perimeter of triangle PDA. Also find x ( pls help )
Answer:
BAQ = 36 cm
PDA = 51 cm
x = 8/3 cm
Step-by-step explanation:
I've attached an image below, I'm not completely sure if im right but hope this helps!
Two identical number cubes are shown in the picture. The edge length of these number cubes is 3 centimeters. What is the combined volume of the two number cubes in cubic centimeters? 27 cm3 9 cm3 18 cm3 54 cm3
Answer:
They are both identical cubes which makes it much easier.
Work out the volume for just one first.
The formula for volume is:
l x w x h
However, since it is a cube, all lengths are the same.
3 x 3 x 3 = 27
Now multiply it by 2 to get the volume of both combined:
27 x 2 = 54.
In short, your answer is 54cm 3
Hope This Helps You!
Good Luck :)
Step-by-step explanation:
what is the total area of the figure above ?
Answer:
10*10/2=50
20^2-10^2=100
10*10/2=50
50+50=100
Step-by-step explanation:
How many ounces of a 19% alcohol solution and a 37% alcohol solution must be combined to obtain 90 ounces of a 24% solution
Answer:
19% alcohol solution = 65 ounces
37% alcohol solution = 25 ounces
Step-by-step explanation:
Let
19% alcohol solution = x
37% alcohol solution = y
x + y = 90 (1)
0.19x + 0.37y = 90*0.24
0.19x + 0.37y = 21.60 (2)
from (1)
x = 90 - y
Substitute into (2)
0.19x + 0.37y = 21.60
0.19(90-y) + 0.37y = 21.60
17.1 - 0.19y + 0.37y = 21.60
- 0.19y + 0.37y = 21.60 - 17.1
0.18y = 4.5
y = 4.5/0.18
y = 25 ounces
x + y = 90 (1)
x + 25 = 90
x = 90 - 25
x = 65 ounces
will give brainliest to right answer please help!! 15 points -A sample of a radioactive isotope had an initial mass of 370 mg
in the year 2000 and decays exponentially over time. A
measurement in the year 2008 found that the sample's mass
had decayed to 110 mg. What would be the expected mass of the
sample in the year 2017, to the nearest whole number?
Answer:
78 mg
Step-by-step explanation:
370 mg - 110 mg = 260 mg (amount decayed in the 8 total years)
260 mg ÷ 8 years = 32.5 mg decayed per year
32.5 × 9 years (years between 2008 and 2017) = 292.5 mg
370 mg - 292.5 mg = 77.5 mg, rounded to 78 mg
the expected mass of the sample in the year 2017, to the nearest whole number is 0.
What is the formula for exponential growth and exponential decaying function?The formula for exponential growth is y = y₀.e^(kt).
The formula for exponential decay is y = y₀.e^(-kt).
Given, Initial mass(y₀) = 370 mg.
After 8 years (t = 8) the mass decayed to y₈ = 110 mg.
∴ 110 = 370.e^(-8k).
e^(-8k) = 3.36.
lne^(-8k). = ln(3.36).
- 8k = 1.28.
k = - 1.28/8.
k = - 1.6.
Now expected mass of the sample in 2017 which in 9 years from 2008 will be,
y = 110.e^(-1.6×9).
y = 110.e^(-14.4).
y = 110/e^(14.4).
y = (110/1794074.78).
y = 6.13^(-5) mg.
y = 0.0000613 mg.
learn more about exponential decay here :
https://brainly.com/question/2193799
#SPJ5
The data to represent average test scores for a class of 16 students includes an outlier value of 78. If the mean, including the outlier of 78, equals 84, which statement is always true about the new data when the outlier is removed?
The mean would increase.
The mean would decrease.
The median would increase.
The median would decrease.
Answer:
Given that The data to represent average test scores for a class of 16 students includes an outlier value of 78.
We can find sum of all 16 test scores = 84(16) = 1344
Outlier found = 78
If outlier is removed new sum = 1344-78 = 1266
Number of entries without outlier = 15
New average = 1266/12 =84.4
We find that average of new data increases.
Also whenever we remove outlier std deviation also would be reduced.
Step-by-step explanation:
Answer:
The mean would decrease.
Step-by-step explanation:
Without the outlier, the mean decreases. The median stays the same with or without the outlier.
hey guys I need help for this math problem is about function thanks if you can have a good day
Earl runs 25 meters in 10 seconds. How many meters does Earl run per second?
Earl runs
meters per second.
Answer:
2.5 meters a second
Step-by-step explanation:
Because I said so
Can you guys give a Ratio problem for my class?
Answer:
no
Step-by-step explanation:
5 In a scale drawing of an airplane, 1 inch equals 3 meters. The length of the actual plane is 17 meters. What is the length of the plane in the scale drawing?
Answer: 5 2/3 inches
Step-by-step explanation:
From the question, we are informed that the scale drawing of an airplane is:
1 inch = 3 meters.
Since the length of the actual plane is 17 meters, the length of the plane in the scale drawing will then be:
= 17/3
= 5 2/3 inches
Determine the period
Answer:
20
Step-by-step explanation:
A period is how long a wavelength takes.
By picking the maximum y point, you look for the X difference between the first maximum and the second one.
NOTE: I may not be reading your graph correctly as the resolution is quite low, but I got it.
PLEASE HELP ME I WILL DO ANYTHING PLEASE HELP ME
Answer:
78
Step-by-step explanation:
Sorry I've never studies this in school :(
But to be fair I'm only in 7th so hopefully I'll study it eventually lol
HELP WITH THIS ITS URGET
The length of a basketball court is twice its width. The perimeter is 150 feet. Find the length and width of the basketball court. On your worksheet, solve the question and write your answer below. What is length of the basketball court? What is the width of the basketball court?
Answer: W=25 and L=50
Step-by-step explanation: I first started out with 50, because 50 is half of 100. 50 divided by 2 equals twenty five. Now, I moved on to 100. 100 divided by 2 equals 50. 25+25+50+50=150.
Answer:
The width of the basketball court is 25 feet and the length is 50 feet
Step-by-step explanation:
Equations:
Let's make:
x = width of the basketball court
2x = length of the basketball court
The perimeter of the court is twice the width plus twice the length:
P = 2x + 2(2x)
P = 2x + 4x = 6x
It's known to be 150 feet, thus:
6x = 150
Dividing by 6:
x = 150/6
x = 25 feet
2x = 50 feet
The width of the basketball court is 25 feet and the length is 50 feet
PLEASE HELP ME
Melinda, Meredith, John, Mark, Stan, and Max are sitting at a table. What
fraction of the students have names that begin with the letter ‘M'? *
O 1/4
O 2/3
O 1/2
O 4/5
Given AD=8, AC=12, BC=15. Find the value of x that would make AADE-AACB
E
B
Answer:
DE = 10
Please put the Brainlest
The diameter of a circle measures 14ft. What is the circumference of the circle?
PLease help the question is in the photo
..........................
Answer:
x = 0.954
Step-by-step explanation:
We apply pythagorean to find x
(4-x)² = 1.2² + 2.8²
(4-x)² = 9.28
✓(4-x)² = ✓(9.28)²
4 - x = 3.046
- x = 3.046 - 4
- x = -0.954
x = 0.954
(Please heart and rate if you find it helpful, it's a motivation for me to help more people)
Simplify 8(x - 4).Simplify 8(x - 4).
8 x - 4
8 x - 32
x - 32
x - 4
Answer:
8(x-4)
= 8x - 32
hope it helps
After his alarm rings, Clarence has
25 minutes to get ready. He snoozes in
bed for one minute after the alarm rings
the first day, two minutes the second
day, three minutes the third day, etc.
When Clarence is down to 11 minutes to
get ready, how many days has it been?
Answer: 14 days
Step-by-step explanation:
Day 1: 1 minute snooze = 24 minutes
Day 2: 2 minute nooze = 23 minutes ; these examples show snooze time = days.
We can set up an equation for this situation: 25 - s = r ; where s = snooze time and r = time to get ready.
Given the problem, we can fill out this equation with: 25 - s = 11
When you solve this equation, time snoozed = 14.
We already know that snooze time = days, so days = 14.
I am not a professional, simply using prior knowledge!
Note- It would mean the world to me if you could mark me brainliest!
Plz I might fail if I don’t do this
Answer:
-130
Step-by-step explanation:
f(10) just means you plug in 10 for any X's in the equation
So it would be... f(10) = -10^2-3(10)
What are the domain and range of the function f(x)=square root x-7 +9?
Answer:
Domain is all real numbers greater than or equal to 7. Range is all real numbers greater than or equal to 9.
Step-by-step explanation:
The domain is possible x-values while the range is possible y-values. This question look like
[tex] \sqrt{x - 7} + 9[/tex]
The domain of square root function cant have a the radical inside being a negative number because we can't take the sqr root of a negative number and graph it on a cartisean plane We can take the sqr root of 0 . So we set x-7=0. And which x=7 so the domain is all real numbers that are equal to or greater than 7. The range of a sqr root function can only yield any positive y-values. So we must find the lowest point of it. Since the lowest x value we can possible use is 7 we plug it in
[tex] \sqrt{7- 7} + 9[/tex]
which equals 9. So the range is all real numbers greater than or equal to 9.
Answer:
I think that the short answer will be C) on edge.
Step-by-step explanation:
Edge 2021.
Can anyone help me with this please
I’ll mark you as a brainliest.
Help Pleases!!
2^4x=8^x-3
Answer:
Step-by-step explanation:
If you change the bases to the same number, the exponents must equal each other.