10 days is your answer
Answer:
15 workers =18 days to complete work
1 worker =18×15=270 days to complete work
27 worker=270/27=10 days to complete work
Find the area of the shaded region.
Answer:
[tex] 426.96 \: {km}^{2} [/tex]
Step-by-step explanation:
Area of the shaded region = Area of triangle with base 40 km and height 27 km - Area of circle with radius (12/2) 6 km.
[tex] = \frac{1}{2} \times 40 \times 27 - 3.14 \times {(6)}^{2} \\ \\ = 20 \times 27 - 3.14 \times 36 \\ \\ = 540 - 113.04 \\ \\ = 426.96 \: {km}^{2} [/tex]
Expand logarithm equation
Answer:
6log_4(x) - 4log_4(y)
Name the x-axis of symmetry for the parabola down below
Answer:
x = - 3
Step-by-step explanation:
The axis of symmetry is a vertical line passing through the vertex of the parabola with equation
x = c
where c is the value of the x- coordinates the line passes through
The line passes through (- 3, - 6), (- 3, 4 ) with x- coordinates - 3
Then equation of axis of symmetry is x = - 3
Hannah’s Houseboats, which usually
charges $100 per night, is now offering a
discount. If you stay eight nights and pay a
total of $560, what percentage discount did
you receive?
Answer:
30%
Step-by-step explanation:
Since you paid 560 dollars for 8 nights, you can divide to see how much you pay one night. You pay 70 dollars per night. So 30% off from $100 is $70
Answer:
30 percent
Step-by-step explanation:
math
Emma noticed that the new admission fee for a zoo is 65% more than last year’s fee. If f represents last year’s fee, which of the following expressions represent the new admission fee? Select all that apply.
Answer: 1.65f
Step-by-step explanation:
Last year's admission fee = f
Percentage Increase in the admission fee = 65%
New admission fee will be the addition of last year's admission fee and the increase in the admission fee. This will be:
= f + (65% × f)
= f + (65/100 × f)
= f + (0.65 × f)
= f + 0.65f
= 1.65f
The new admission fee is 1.65f
I need more answers and I don’t know how to make an account
Answer:
Well if your on chrome book sign out and select add person and make your new email and password and you have a new account.
Step-by-step explanation:
Hope this helps and have a wonderful day!!!
Answer:
Account for what, brain ly
Step-by-step explanation:
step 1: Go to sign up
step 2: create a email
step 3: create password
mmmm i need help ....
Answer:
D
Step-by-step explanation:
Two numbers are multiplied together.
5 * 2/3
When you take the log, you get
log(5) + log(2/3)
log 2/3 is raised to the x power.
log(5) + log(2/3)^x
The x is a power and it can be taken down and multiplied by log(2/3)
log(5) + x log(2/3)
Answer:
D. log(5) + x • log(2/3)
Step-by-step explanation:
Hope this helps
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
Answer:
Cone: You need the radius and height of the cone.
Cylinder: You need the radius and height the cylinder.
Sphere: You only need the radius of the sphere.
Step-by-step explanation:
For a lot of object shapes height and radius play a large role, the sphere is an outlier because of it's for a lack of a better word, spherical shape.
3. (5 points) A company wishes to estimate the mean monthly electric bill. If the standard
deviation is $400, how large a sample is required to estimate the mean electric bill to within $100
with 98% confidence?
Answer:
9.304
Step-by-step explanation:
company wishes to estimate the mean monthly electric bill. If the standard
deviation is $400, how large a sample is required to estimate the mean electric bill to within $100
with 98% confidence?
Sample size, n = (Zcritical * σ) ÷ ME
σ = standard deviation ;
ME ≥ margin of error
α = 98% ; At 98% confidence level ;Zcritical = 2.326
n ≥ (2.326 * 400) / 100
n ≥ 930.4 / 100
n ≥ 9.304
n = 10
Write as a sum, difference or
multiple of logarithms.
In(8x) = [ ? ]8+ [ ]x
Answer:
In(8x)=[In]8 + [In]x
Step-by-step explanation:
By product rule:
[tex]In(8x)=[In]8 + [In]x[/tex]
Solve the following quadratic equation.
(x-16)^2=256
Answer:
x=32, x=0
Step-by-step explanation:
[tex](x-16)^2=256[/tex]
Take the square root of both sides
[tex]\sqrt{ (x-16)^2}=\±\sqrt{256}\\x-16=\±16[/tex]
x=16+16 or x=16-16
Therefore, x=32 or x=0
I hope this helps!
Answer:
x=32 and x=0
Step-by-step explanation:
5 hours on Monday, 4.5 hours on Tuesday, and 2.5 hours on Wednesday. What is the mean number of hours she worked over the three-day period?
Answer:
Mean = 4
Step-by-step explanation:
Mean = (Sum of all numbers)/(How many numbers there are)
There are 3 numbers
Mean = (5 + 4.5 + 2.5)/3
Mean = 12/3
Mean = 4
Answer:
[tex] \frac{5 + 4.5 + 2.5}{3 } = \frac{5 + 7}{3} = \frac{12}{3} = 4[/tex]
Classify the following triangle. Check all that apply.
A. Obtuse
B. Acute
C. Isosceles
D. Right
E. Equilateral
F. Scalene
Answer:
C. Isosceles
E. Equilateral
F. Scalene
D. Right angled
ITS URGENT
find the missing length of the triangle.
9/x=32/56
Solve for z
Answer:
x = 15.75
Step-by-step explanation:
I'm going to assume you mean solve for x so:
[tex]\frac{9}{x} =\frac{32}{56} \\\\32x=504\\x=15.75[/tex]
Steve ran a distance of 150 meters in 1 1/2 minutes. What is his speed in meters per
hour?
Answer:
600/mph
Step-by-step explanation:
Could someone please help?
Answer:
1. 7% change increase
2. 27%change decrease
3. 39% change decrease
4. 29% change increase
Step-by-step explanation:
I hope this is right
NO LINKS I WILL REPORT!!! But help plsss Complete the following sentence. Triangles are congruent if they have the
same
A. size
B. shape and name
C. size and name
D. size and shape
E. shape
F. name
We know that, Congruent Triangles always have same size, angles and shape, just then only they are congruent to each other, by various criterions such as
1.) SAS 2.) AAS 3.) RHS 4.) SSS 5.) ASA
so the correct option is D.)
D.) size and shape
) Which expression is equivalent to
- 7?
(0+21) 10-2
(21)
(6+21)
(6 - 21)
3
Use the graph at the right. Find the vertices of the image of QRTW for a dilation with center (0,0) and a scale factor of 5.
Answer:
What image? (9/ -0) Is 9 - 8 =1
Step-by-step explanation:
Answer:
you dont have the image of the graph.
Step-by-step explanation:
Mya claims (m 23 +m24) = m_1, as shown in the triangle below.
3
1/2
4
Which equations explain why Mya's claim must be true?
Answer:it’s b
Step-by-step explanation:
Simplify :
(a+b)²
Thanks
Answer:
(a+b)(a+b)
=a^2 + ab + ab + b^2
=a^2 + 2ab + b^2
Answer:
(a+b)² = ( a +b ) (a + b )
= a² + b² + 2ab
HELPPPPP ME PLSSSSS I WOULD GIVE YOU BRAINIEST PLSSSS HELPP QUICK What is the slope-intercept equation of the line below?
y-intercept= (0, 3)
slope =-5/4
Answer:
y= -5/4 x+3
Step-by-step explanation:
like I said plug it in
Susan started the week with an odometer reading of 49,980 miles and a full tank. She ended the
week with an odometer reading of 50.230 miles. She re-filled her gas tank and put in 12 gallons of
gasoline.
How many miles per gallon did she get?
Answer
the answer is 21, hope this helps
16. A radioactive isotope has a half-life of 13 hours. Find the amount of the isotope left from a 400-milligram
sample after 65 hours. If necessary, round your answer to the nearest thousandth.
a. 25 mg
c. 0.049 mg
b. 7.692 mg
d. 12.5 mg
Please help. I only see answers for 52 hours
Answer:
Without the math: 65 hours is 5 half-lives
13 hrs = 1/2
26 hrs = 1/4
39 hrs = 1/8
65 hrs = 1/32
(1/2)^5 = 1/32
400 mg / 32 = 12.5 mg that is, after 5 half-lives
Who wants to do my aleks topics.... I will give you the account and password, yo the teacher really expects me to do 20 of them.
Answer:
Step-by-step explanation:
45 47
Help pls do all 10 points
y – 1.02 = 4.7
solve for y
Answer:
y=5.72
Step-by-step explanation:
Let's solve your equation step-by-step.
y−1.02=4.7
Step 1: Add 1.02 to both sides.
y−1.02+1.02=4.7+1.02
y=5.72
Answer: y=5.72
Step-by-step explanation:
4.7 plus 1.02 equals 5.72
5.72 minus 1.02 equals 4.7
please help thank youu!!
John travels 16m ^2 +100 miles. /since he can only travel 8m +10 mph, it takes him 2m hours to make the trip. Solve for m
Answer:
m = 5
Step-by-step explanation:
distance traveled D= 16m^2+100 miles
speed, S= 8m+10 mph
time taken, T = 2m hours
We know that D = S×T
⇒ 16m^2+100 = (8m+10)× 2m
⇒ 16m^2+100 = 16m^2+ 20m
⇒ 20m = 100
⇒ m = 5
Therefore, the value of m is 5
