Answer:
10 m
Step-by-step explanation:
We are given that the relationship between intensity of sound and distance from the source is given by
Intensity (I)=[tex]\frac{k}{d^2}[/tex]
Where I=Intensity
d=Distance of sound from the source
If distance d=1m
Intensity, I=0.1[tex]w/m^2[/tex]
We have to find how close she can to the stage if vanessa does not want the sound intensity to be more than 0.001(w)/(m^(2)).
Using the formula
[tex]0.1=\frac{k}{1}[/tex]
[tex]k=0.1[/tex]
[tex]\frac{0.1}{d^2}\leq 0.001[/tex]
[tex]\frac{0.1}{0.001d^2}\leq 1[/tex]
[tex]\frac{0.1}{0.001}\leq d^2[/tex]
[tex]100\leq d^2[/tex]
[tex]10\leq d[/tex]
[tex]d=10 m[/tex]
Hence, she can sit 10 m away from the stage.
There is 2/3 of a cake left that 3 friends would like to share. How much cake would each friend get?
If Mia has brings 14 donuts to the party and Lizzy brings 14 also then how many cookie's is there all together
A circle is centered at the point (-7, -1) and passes through the point (8, 7).
The radius of the circle is _____ units. The point (-15, ___) lies on this circle.
Will mark brainliest of correct
PLATO/Edmentum Answer:
17 & -16
Step-by-step explanation:
A circle is centered at the point (-7, -1) and passes though the point (8, 7).
The radius of the circle is 17 units. The point (-15, -16) lies on this circle
THE QUESTION IS ABOVE
Answer:
The box would be 14
Step-by-step explanation:
It would be 14 because 7/14 is equal to 1/2. And 2/4 is also equal to 1/2.
Answer:
7/14
Step-by-step explanation:
Have a nice day.....
which of these graphs shown represents x^2 + y^2 = 2.25
Answer:
C
Step-by-step explanation:
the answer is c
I urgently need help!!!!
Answer:
A. C (3,5)
Step-by-step explanation:
This makes the most sense because of the position point C is at on the coordinate plane. It is above point D, which has a x-axis of 3. Option A is the only one that has an x-axis of 3.
Hope it helps!
Pt.2 of my other question
Answer:
x = 5, supplementary
Step-by-step explanation:
6x + 13 + 14x - 33 = 180
20x - 20 = 80
20x = 100
x = 5
In a parallelogram ABCD is given. Find the measurement of angle A.
Rewrite the following equation in slope-intercept form. y +3 = 1/4 (x − 4 )
Answer:
y = 1/4x - 4
Step-by-step explanation:
[tex]y + 3 =1/4(x - 4)\\y + 3 = 1/4x - 1\\y = 1/4x - 4[/tex]
Function 1 is defined by the following table.
x. y
0. 5
5. 7.5
10. 10
15. 12.
Function 2 is defined by h
Which function has a greater slope?
A child building a tower with Blocks uses 15 for the bottom row. Each row has 2 fewer blocks than the previous row. What formula would you use to find the number of blocks in the 5th row?
A)blocks in 5th row =15+(15-1)-2
B)blocks in 5th row=15+(5-1)(-2)
C)blocks in 5th row=15+(5+1)(-2)
D)blocks in 5th row=5+(15-1)(-2)
Answer:
B)blocks in 5th row=15+(5-1)(-2)
Step-by-step explanation:
We are given that
Number of block in bottom row=15
Each row has 2 fewer blocks than the previous row
We have to find the formula would you use to find the number of blocks in the 5th row.
Number of blocks in second row=15-2=[tex]15+1(-2)[/tex]
Number of blocks in third row=15-2-2=[tex]15+2(-2)[/tex]
Number of blocks in 4th row=[tex]15-2-2-2=15+3(-2)[/tex]
Number of blocks in 5th row=[tex]15-2-2-2-2=15+4(-2)[/tex]
Therefore, number of block in 5th row
[tex]15+(5-1)(-2)[/tex]
This is required formula to find the number of blocks in the 5th row
Hence, option B is true.
B)blocks in 5th row=15+(5-1)(-2)
please help with this!!!!!!
Answer:
3,-2 (dark blue)
Step-by-step explanation:
plug the answer back into x:
(3-3)(-2+2)=0
(0)(0)=0
The solution satisfies the equation!
Triangles ABC and DEF are similar find d
Answer:
D equals 12; just multiply 6×2
Answer:
b: 12
Step-by-step explanation:
Andrea spins the arrow on the spinner one time.
What is the probability that the arrow will land on a part of the circle that has a star?
O A O
C.
OB. 1
OD. 1
My Answer for your question is
A. O
5(6p - 3) - 2 = 2(15p - 11) + 5
Answer:
p = 0
Step-by-step explanation:
step 1 (simplify) : 30p-17 = 30p-17 (add 17 to both sides)
step 2: 30p = 0 (divide both sides by 30)
p = 0
A new law requires that 5% of an individual's income to be invested in the stock market. Your accounts show that you need to put $430 in the stock market this year. How much did you earn this year
Divide the amount you need to invest by the percentage.
430/0.05 = 8,600
You earned $8,600
Why does the value of money in a savings account increase overtime
Answer:
Because it earns interest
Step-by-step explanation:
We save money in the financial institutions like banks and micro-finance institutions. This money increase is known as interest. So the money you save increase in value over the time because it earns interest.
Answer:
the bank pays you interest
Step-by-step explanation:
The bank is paying you to keep your money and their storage because they give their money to other people so for that they give you like a cent or more a month based on how much money you put in annually
PLEASE HELP I DO NOT UNDERSTAND AT ALL AND SHOW YOUR WORK !!
write the equation of the line given the y- and x- intercepts
y intercept (-6,0), x-intercept (0,-8)
y intercept (0,-6), x-intercept (-2,0)
y intercept (0,8), x-intercept (1.6,0)
y intercept (0,7), x-intercept (-1.4,0)
Answer:
y intercept (-6,0), x-intercept (0,-8) : [tex]y = \frac{-4}{3}x -8[/tex]
y intercept (0,-6), x-intercept (-2,0): [tex]y = -3x -6[/tex]
y intercept (0,8), x-intercept (1.6,0): [tex]y = -5x + 8[/tex]
y intercept (0,7), x-intercept (-1.4,0): [tex]y = 5x + 7[/tex]
Step-by-step explanation:
y = mx + b
*note: b is the y intercept
1. y intercept (-6,0), x-intercept (0,-8)
[tex]m = \frac{-8 - 0}{0 - (-6)}= \frac{-8}{6} = \frac{-4}{3}\\y = \frac{-4}{3}x + b\\y = \frac{-4}{3}x -8[/tex]
2.y intercept (0,-6), x-intercept (-2,0)
[tex]m = \frac{0 - (-6)}{-2 - 0} = \frac{6}{-2} = -3\\y = -3x + b \\y = -3x -6[/tex]
3. y intercept (0,8), x-intercept (1.6,0)
[tex]m = \frac{0 - 8}{1.6 - 0}= \frac{-8}{1.6} = -5\\y = -5x + b\\y = -5x + 8[/tex]
4. y intercept (0,7), x-intercept (-1.4,0)
[tex]m = \frac{0 - 7}{-1.4 - 0} = \frac{-7}{-1.4}= 5 \\y = 5x + b\\y = 5x + 7[/tex]
Arnie is mixing red and yellow paints to make two different shades of orange. To make 1 cup of dark orange paint, he needs 7 ounces of red paint and 1 ounce of yellow paint. To make 2 cups of light orange paint, he needs 13 ounces of yellow paint and 3 ounces of red paint. Answer parts a and b.
Answer:
Arnie has enough red paint
Step-by-step explanation:
step 1
Find out the number of ounces of red paint needed to make 3 cups of dark orange paint
Let
x -----> number of ounces of red paint
y -----> number of ounces of yellow paint
z ----> cups of dark orange
we know that
\frac{x}{z}=\frac{7}{1}\ \frac{ounces\ red\ paint}{cups\ dark\ orange}
z
x
=
1
7
cups dark orange
ounces red paint
so
For z=3 cups
substitute and solve for x
\frac{x}{3}=\frac{7}{1}
3
x
=
1
7
x=21\ ounces\ of\ red\ paintx=21 ounces of red paint
step 2
Find out the number of ounces of red paint needed to make 3 cups of light orange paint
Let
x -----> number of ounces of red paint
y -----> number of ounces of yellow paint
z ----> cups of light orange
we know that
\frac{x}{z}=\frac{3}{2}\ \frac{ounces\ red\ paint}{cups\ light\ orange}
z
x
=
2
3
cups light orange
ounces red paint
so
For z=3 cups
substitute and solve for x
\frac{x}{3}=\frac{3}{2}
3
x
=
2
3
x=4.5\ ounces\ of\ red\ paintx=4.5 ounces of red paint
step 3
Adds the ounces of red paint
21+4.5=25.5\ ounces\ of\ red\ paint21+4.5=25.5 ounces of red paint
25.5\ ounces < 32\ ounces25.5 ounces<32 ounces
therefore
Arnie has enough red paint
3) You have a giant, giant hot tub. The hot tub just so happens to be a perfect cylinder. You cannot fill it
all the way to the top, or the water would splash out when you get in. The hot tub is 12 feet wide and 4
feet tall. The instructions say to leave 6 inches at the top of the hot tub. How many cubic feet of water
will you need?
Answer:
Probably 8!
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
Manco went scuba diving. As he dove deeper, the water pressure around him increased at a constant rate. The table compares Mancini's depth (in meters) and the water pressure around him(in atmospheres). what was the pressure around manco when he was 30 meters deep?
Answer:
4.0 atm
Step-by-step explanation:
it looks to be a proportional ratio so for every meter pressure increases by .1 atm so if you add .8 to 3.2 you get 4 atm
Is 2/5 and 8/20 equivalent
Answer:
Yes, they are.
Step-by-step explanation:
I need help with these ASAP their due tonight and I have no idea what I’m doing
Answer:
8)RS=18
9)XY=6
10)Angle T=50
11)UE=22
12)SU=38
15)BS=16
I am SOOOOO sorry that I didn't answer 13 and 14, I couldn't really figure them out. :(
Step-by-step explanation:
Does anyone know the answer you have to pick the correct answer because there's two options you have to pick the correct equation
Answer:
y = -5x + 50
Step-by-step explanation:
if it the x value has a negative symbol then the slope goes down (Left to right) if the x value doesn't then the slope goes up (Left to Right)
Select all of the true statements.
A. 4.8 + (-8.9) = -13.7
B. 12+(-3) = -9
C. -9.-0.1 = 90
D. -4+ 4 =
Answer:
D
Step-by-step explanation:
-4+4=0 which is correct
4.8-8.9=-4.1 wrong
12-3=-9 wrong
-9-0.1=90 wrong
Marianna draws a rectangle with a width of 2/5 inch and a length of 3/5 inch. What is the area of the rectangle
Answer:
[tex]A = \frac{6}{25} in^{2}[/tex]
Step-by-step explanation:
area = length • width
[tex]A = \frac{2}{5} *\frac{3}{5}\\A = \frac{6}{25} in^{2}[/tex]
Answer:
6/25
Step-by-step explanation:
i dont feel like explaning what a draaaaaggggg
How do you do 5+5?
I'm serious!
I don't know how to add 5 and 5!
Help!
It's due in .5 seconds!
Answer:
If you had 5 apples and Johnny gave you five more how much do you have? Lets count
10 OMG 5+5 is 10
whats the answer to
-7y=7x+21
Answer:
y = -x - 3
x = -y - 3
Step-by-step explanation:
If solving for y,
-7y = 7x + 21
-y = -x + 3 (dividing everything by 7)
y = -x - 3
If solving for x,
-7y = 7x + 21
-y = -x + 3
x = -y - 3
HELPPPP FASTTT PLEASEE
Answer:
a probably
Step-by-step explanation:
Hello can I please have help with understanding how to do this
Answer:
11. 5x+13=53
12. 6x-5=115