Answer:The equation relating I, r, and k is I =K/r²
Step-by-step explanation:
The intensity, I, of a sound varies inversely with the square of the distance, r, from the source of the sound can be written as
I ∝ 1/r²
Introducing the constant of proportionality, K we have that
I =K x 1/r²
Therefore , the equation relating I, r, and k is I =K/r²
Help out please and thank you
Answer:
Type: Quartic
Fourth-degree polynomials are also known as quartic polynomials.
Constant Term: [tex]\frac{1}{9}[/tex]
Number Of Terms: 4
Leading Term: [tex]-x^{4}[/tex]
Leading Coefficient: -1
Emma bought a pair of earrings, a dress and a coat. The dress cost 6 times as much as the earrings, and the coat cost 13 times as much as the earrings. If the three items cost a total of $3200, how much did each of them cost?
Answer:cost of earring=$160
cost of dress= $960
cost of coat =$2,080
Step-by-step explanation:
Let cost of earring be represented as x
so that the cost of dress =6x
And the cost of coat =13x
Since the three items cost a total of $3200, we can develop an equation which can be represented as
cost of earring+cost of dress +cost of coat =3200
x +6x+13x=3200
20x =3200
x=3200/20=160
THerefore cost of earring=$160
cost of dress= 6x =$160 x 6=$960
cost of coat = 13x = $160 x 13=$2,080
Those with celiac disease must avoid cakes, cupcakes, pizza dough and tortillas unless the product is gluten free
A.True
B.False
Amy is baking her famous pies to sell at the Town Fall Festival. She 1 point
uses 32 /4 cups of flour for every 1/2 batches of pie that she makes. How
many cups of flour would Amy use for 7 batches of pie?
A. 21 1/2 cups
B. 112 7/8 cups
C. 150 72 cups
D. 225 34 cups
Answer:
Step-by-step explanation:
A
Suppose we must choose 4 rooms out of
the 100 rooms in a dormitory. We
randomly choose one each out of rooms
1-25, 26-50, 51-75, and 75-100. This is an
example of:
A. A convenience sample
B. A self-selected sample
C. A systematic sample
D. A random sample
Answer:
C. A systematic sample
Step-by-step explanation:
Answer: The answer is C
Acellus sux
Step-by-step explanation:
Please help question is in image
Answer:
K
Step-by-step explanation:
I THINK IT'S SHAPE IS SQUARE. IT HAS FOUR SIDES.
I THINK THE NAME IS TRUCK DIRVER DRUNKED LOL
TE-PAHADI GAMING
Independent Practice
Now practice solving some problems.
Find the x- and y-intercepts of the equation.
–6x + 3y = –9
A.
− 3 ; 3/2
B.
3/2; −3
C.
−3/2; 3
D.
3; −3/2
Answer:
B.
3/2; −3
Step-by-step explanation:
To find the x-intercept, substitute in 0 for y and solve for x . To find the y-intercept, substitute in 0 for x and solve for y .
x-intercept(s): ( 3 /2 , 0 )
y-intercept(s): ( 0 , − 3 )
the angle of elevation from an anchor to the boat is 39° . the anchor is 30 meters from the boat find the distance, show your work!!!
Please help me with this homework show me how you get it and the answer
Answer:
226.08
Step-by-step explanation:
V=pir^2h
=3^2 x pi x8
=226.08
Help me with my ixl please?!?
Answer:
funding a stuggling
Step-by-step explanation:
A frosting is made of cream cheese and powdered sugar in the ratio 3:2. If you use 120g or cream cheese, how much powdered sugar should you use
Answer: 80 g
Step-by-step explanation:
Given
The frosting is made of cream cheese and Powdered sugar in the ratio of 3:2.
If 120 g of cheese is used
Assume the quantity of powdered sugar is x
So, we can write the ratio as
[tex]\Rightarrow \dfrac{3}{2}=\dfrac{120}{x}\\\\\Rightarrow x=\dfrac{2}{3}\times 120\\\\\Rightarrow x=\dfrac{2}{3}\times 3\times 40\\\\\Rightarrow x=80\ g[/tex]
So, 80 g of powdered sugar is used.
Answer: 80grams
Step-by-step explanation: pretty simple 120/3=40. 40x2=80 grams. Sorry for explanation not being really clear.
What is 28.5/42 simplified
Answer: 28/42 as a fraction simplified is 2/3
Hope this helped
please help people are bringing me down with all these files this is my 5th time asking so please.
Answer:
b.16
hope this helps
\('-' )/
5. If p(x) = 2^2, what is the value of p(3) - P(2) ?
1) 1
2) 2
3) 6
4) 4
can someone plz help me on this plz I beg u
Answer:
option A is the correct answer
Answer:
A, 62+x=90
Step-by-step explanation:
Complementary angles are two angles that add up to 90.
Find the measure of side c. Triangle A B C has a right angle at angle C. The measure of angle A is 29 degrees. Hypotenuse A B is labeled "c" and leg B C is labeled "a = 33 meters." 29 o c a = 33 m
Given:
In triangle ABC, right angle at angle C.
[tex]a = 33[/tex] meters
[tex]m\angle A=29^\circ[/tex]
To find:
The measure of side c.
Solution:
In a right angle triangle,
[tex]\sin \theta =\dfrac{Perpendicular}{Hypotenuse}[/tex]
It is also written as:
[tex]\sin \theta =\dfrac{Opposite}{Hypotenuse}[/tex]
In triangle ABC, angle C is a right angle. It means the side c is the hypotenuse.
In triangle ABC,
[tex]\sin A=\dfrac{a}{c}[/tex]
[tex]\sin 29^\circ=\dfrac{33}{c}[/tex]
[tex]c=\dfrac{33}{\sin 29^\circ}[/tex]
On further simplification, we get
[tex]c=\dfrac{33}{0.4848}[/tex]
[tex]c=68.0693[/tex]
[tex]c\approx 68.07[/tex]
Therefore, the measure of side c is 68.07 meters.
FREEEE POINTS REALLY
Answer:
x is less than 46
x<46°
Step-by-step explanation:
............
EASY MATH PLEASE HELP! : )
I WILL GIVE BRAINLIEST!
QUESTION: find the area of the shaded part.
Answer:
39.25
Step-by-step explanation:
6.5² - ½ x 2 x 3
42.25 - 3
39.25
Find the radius r of the circle. Round your answer to the nearest tenth.
Answer:
76.2 yd
Step-by-step explanation:
180 ÷30 = 6
12.7 × 6 = 76.2
what is the difference between slope and a common ratio?
Answer:they are solved in a different manner
Step-by-step explanation:
Step-by-step explanation:
slope:
In math, slope is the ratio of the vertical and horizontal changes between two points on a surface or a line. The vertical change between two points is called the rise, and the horizontal change is called the run. The slope equals the rise divided by the run: . This simple equation is called the slope formula.
common ratio:
The constant factor between consecutive terms of a geometric sequence is called the common ratio.
Example: To find the common ratio , find the ratio between a term and the term preceding it. r=42=2. 2 is the common ratio.
What is the volume of a rectangular prism with a length of 9 in, a width of 6 in and a height of 12 in?
Answer:
V = 648 in^3
Step-by-step explanation:
V = lwh
V = 9 x 6 x 12
V = 648 in^3
Answer:
648in^3
Step-by-step explanation:
V=whl=6·12·9=648in³
[tex]2=\left(8^{\frac{1}{5}}\right)\left(2^{\frac{x}{5}}\right)[/tex]
Answer:
x = 2
Step-by-step explanation:
Answer:
x = .61
Step-by-step explanation:
Don't really know how to explain other than use a graphing calculator. Desmos is quite helpful.
Hope that this helps!
Please help i will give a lot of points if corrected
Answer:
1. <ABD.3 2.<CBD.M3
Step-by-step explanation:
i hope it helps
stay safe
correct me if im wrong
#carryonlearning
A triangle has angle measurements of 97°, 48°, and 35°. What kind of triangle is it?
acute
right
obtuse
Answer:
I believe its obtuse
Step-by-step explanation:
all of the numbers add up to 180° making it obtuse
can someone please help me with this?? im trying to correct answers and i need help
Line CB is tangent to circle A at point B. The measure of angle CBA is ___ degrees.
Answer:
90° is correct answer. :)
HELP PLZZZZZZZZZZZZZZ
Answer:
12.57 but rounded is 12.6
Step-by-step explanation:
C=2pi r
i really need help on this i’m confused
Please help me with this. And my teacher said to show your work so what do I have to do and she said on paper please help thank you!
Answer:
Step-by-step explanation:
V=H x W x L so 11.25= H (1.5) (2); 3H=11.25 so the height of one box is 3.75’
To find the volume of 5 stacked boxes multiply the volume of one box by 5.
5(3.75 x 1.5 x 2) which is 20.25 cubic feet.
please help fast with an explanation if you can!
Answer:
5:8 or 5 to 8
Step-by-step explanation:
Its saying oranges (5) to bananad (8)
so 5 to 8
Simplify: 15 + 10 – 8 – 2 + 3 – 4 – 1
17
15
19
13
Answer:
13
Step-by-step explanation:
15 + 10 – 8 – 2 + 3 – 4 – 1
15 + 10 - 8 - 2 + 3 - 5
15 + 10 - 8 - 2 - 2
15 + 10 - 8 - 4
15 + 10 - 12
15 - 2
= 13