Answer:
r = 11.4 cm
Step-by-step explanation:
The question says that, "Spray will make a circle with a diameter of 22.8 cm how long a radius will measure."
Given that,
The diameter of the circle, d = 22.8 cm
We know that the relation between the diameter and the circle is given by :
d = 2r
Where
r is the radius of the circle
r = d/2
r = 22.8/2
r = 11.4 cm
So, the radius of the circle is equal to 11.4 cm.
State the amplitude and period of f(x) = 3cos9/5t
Answer:
The amplitude is 3 and the period is 10π/9.
Step-by-step explanation:
The standard cosine function is in the form:
[tex]y=a\cos(b(x-c))+d[/tex]
Where |a| is the amplitude, 2π/b is the period, c is the phase shift, and d is the vertical shift.
We have the function:
[tex]f(x)=\displaystyle 3\cos\frac{9}{5}t[/tex]
We can rewrite this as:
[tex]\displaystyle f(x)=(3)\cos\left(\frac{9}{5}\left(t-0\right)\right)-(0)[/tex]
Therefore, a = 3, b = 9/5, c = 0, and d = 0.
Hence, our amplitude is |3| = 3.
Our period will be:
[tex]\displaystyle \text{Period}=\frac{2\pi}{9/5}=2\pi \cdot \frac{5}{9}=\frac{10\pi}{9}[/tex]
pair if trousers for 75 cedis and sold at 80 cedis. calculate the percentage profit
Answer:
6.7%
Step-by-step explanation:
cost: 75 cedis
sale price: 80 cedis
amount of profit: 80 cedis - 75 cedis = 5 cedis
Now we find what percent 5 cedis is of 75 cedis.
percent = part/whole * 100%
percent = 5/75 * 100%
percent = 0.06666 * 100%
percent = 6.6666%
percent = 6.7%
Check
What is the slope of the line on the graph?
X
-2
2.
4
-2
-4
[tex]slope = \frac{1}{2} [/tex]
Hope it helps you...
a store has 9 blue hats and 7 red hats for sale write the ratio of blue hats to all the hats
Answer:
9 : 7, or 9/16 to 7/16
Step-by-step explanation:
We know that there are 9 blue hats.
We know there are 7 red hats.
This is a 9 : 7 ratio.
In fraction form, we must find the total ratio, use that as the denominator, then take the seperate amounts, such as bluei adn red hats, and use that as the numerator:
9+7=denominator
denominator = 16
Blue hats = 9
Ratio of red = 9/16
Red hats = 7
Ratio of red = 7/16
Hope this helps!
Which of the following theorems verifies that AHIJE AKLM? H K M ОА. НА O O O B. LA O C. HL O D. AA
===================================
Explanation:
HA = hypotenuse angle
The tickmarks tell us that the hypotenuse IJ is the same length as the hypotenuse LM. So that's the "hypotenuse" portion of "HA".
The "angle" portion refers to the acute angles HIJ and KLM being the same measure, as shown by the curved arc marking. We aren't referring to the right angles because the HA theorem can only be used for right triangles, so that means the right angle is already built into it (and we can ignore the right angles).
Notice how HA is a special case of AAS.
Describe and correct the error in determining which type of function the table represents.
Answer:
"Consecutive y-values change by multiplying previous value by a constant amount. So, the table represents an exponential function."
Step-by-step explanation:
In reality, the table represents an exponential function instead of a linear function, since values on domain change arithmetically at constant rate, whereas values on range change geometrically at constant rate.
Correct phrase may be: "Consecutive y-values change by multiplying previous value by a constant amount. So, the table represents an exponential function."
Which expression is equivalent to this one?
Answer:
1
Step-by-step explanation:
Yes the answer is just 1
Since the power of 2 in the inside will be multiplied by the power of the 4 in the outside will be 8 (The number 11 doesn't change)
A power divided by a power that is equivalent to it is 1
What is the distance from Cto D?
5
4
D(5,3)
3
2
1
5
1 2 3
C(2, -1
-2
3
-4
-5
OA. 5 units
B. 25 units
C. 7 units
D. 1 unit
Given:
The two points C(2,-1) and D(5,3) on a coordinate plane.
To find:
The distance from C to D.
Solution:
The distance between two points is defined by the distance formula.
[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
The two points are C(2,-1) and D(5,3). Using the distance formula, we get
[tex]CD=\sqrt{(5-2)^2+(3-(-1))^2}[/tex]
[tex]CD=\sqrt{(3)^2+(3+1)^2}[/tex]
[tex]CD=\sqrt{(3)^2+4^2}[/tex]
On further simplification, we get
[tex]CD=\sqrt{9+16}[/tex]
[tex]CD=\sqrt{25}[/tex]
[tex]CD=5[/tex]
The distance from point C to D is 5 units. Therefore, the correct option is A.
The three sides lengths of four triangles are given. Which triangle is a right triangle?
Answer:
I believe the right answer is answer A
What is the value of A for the exponential function in the graph represented in the form of f(x) = a(bx)?
Answer:
a = 3
Step-by-step explanation:
f(x) = a(bˣ)
At x = 0
f(0) = a(b⁰)
f(0) = a(1)
f(0) = a
From the graph
f(0) = 3
Therefor
a = 3
i really dont understand plz help
Answer: I believe it is the 2nd option.
Step-by-step explanation:
I hope I helped , Have a great day or night . Xoxoxo.
Find x. Round your answer to the nearest tenth of a degree.
Answer:
60.9º
Step-by-step explanation:
tan = opp/adj
tanX = 45/25
X = arctan 45/25
use calculator
X = 60.945395900922855
Rounded
60.9º
answer please i need to pass this class
Step-by-step explanation:
I think that is the answer in the diagram
will give brainily for the RIGHT answer :)
At the beginning of spring, Bilquis planted a small sunflower in her backyard. When it was first planted, the sunflower was 10 inches tall. The sunflower then began to grow at a rate of 0.5 inches per week. How tall would the sunflower be after 8 weeks? How tall would the sunflower be after w weeks?
Height After 8 weeks: ?
Height After w weeks: ?
Answer:
Height After 8 weeks: 14 inches
Height after w weeks: y=0.5w+10
Step-by-step explanation:
The equation of the sunflower is y=0.5x+10.
Height after 8 weeks: y=0.5(8)+10
y=4+10
y=14
Height After 8 weeks: 14 inches
Height after w weeks: y=0.5w+10
If this helps please mark as brainliest
Tony is making potato salad for a school picnic. He needs a
total of 3 kilograms of potatoes. He has a 1.5- kilogram bag and an 850-gram bag
How many more grams of potatoes does Tony need? Show your work.
Step-by-step explanation:
for me u need to change in grams
so
3kg=3000g
1.5kg+850g=2350g
so take
(3000-2350)g
ans=650g
How many terms dose the polynomial have 2x^9 + 3x^6 - x - 20?
Answer:
3
Step-by-step explanation:
2x^9 = 1
3x^6 = 2
- x - 20 = 3
Monica has been saving her spare change. So far she has saved 40 coins for a total of $6.25. Some of the coins are quarters (25 cents) and the rest are dimes (10 cents). How many of each coin does she have?
Use elimination to solve.
{q+d=40
{25q+10d=625
Answer:
10 quarters
40 dimes
Step-by-step explanation:
q + d = 40
25q + 10d = 625
25 > 10
q < d
25(10) = 250
10(40) = 400
$2.50 + $4.00 = $6.00
Answer:
15 quarters and 25 dimes
Step-by-step explanation:
Y is inversely proportional to x, when Y = 2, x = 4.
Find the constant of proportionality.
For full credit, write a proportion and show work.
PLEASE HELP I WILL MAKE BRANILIST OR WHATEVER PLEASE
Answer:
Constant of proportionality is y divided by x. y is 2 and x is 4. 2 divided by 4 is 1/2.
Let me know if that is correct.
Step-by-step explanation:
what is the answer for 3/4 + 1/2 =
Step-by-step explanation:
3/4 + 1/2= 3+2/4= 5/4
Hope it helps you
Answer:
[tex]\frac{5}{4}[/tex]
Step-by-step explanation:
[tex]=\frac{3}{2} +\frac{1}{2}[/tex]
[tex]=\frac{3}{4} +\frac{2}{4}[/tex]
[tex]=\frac{3+2}{4}[/tex]
[tex]=\frac{5}{4}[/tex]
Please help if your awake lol ugh it’s a question check the picture :)
The graph of g(x) shown below has the same shape as the graph f(x)=2^x but it's shifted up 1 unit. What is the equation?
Answer:
B
Step-by-step explanation:
By adding one to the equation, you are shifting it up one along the y-axis, as the picture depicts.
I hope this helped!
The motives for developing calculus in the 1700s were: A. problems in physics. B. problems in biology. C. problems in psychology. D. problems in computer science. E. problems in economics.
Answer:
the answer is A
Step-by-step explanation:
Write the other side of this equation so it's true for no values of x: }(6x - 10) - x =
Answer:
(6x - 10) - x = 5(x - 2)
Step-by-step explanation:
6x - 10 - x
5x - 10
5x - 10 = 5(x - 2)
5x - 10 = 5x - 10
5x - 10 ÷ 5 = 5x - 10 ÷ 5
x - 2 = x - 2
No solution.
x - 2 + 2 = x - 2 + 2
x = x
0
Homework Progress
100 / 285
Find the value of x in each of the following
a) = 8
b) X = 6
Help me answer ??????
Answer:
the triangle is not a right angle
Step-by-step explanation:
5²+12²=169
15²=225
which statement is true about these functions?
1.The graph and the equation have the same slope.
2.The graph has a greater slope.
3.The equation has a greater slope.
4.none of the above.
Answer:
Option (2)
Step-by-step explanation:
1). Equation of the line given in the question is,
[tex]y=\frac{1}{2}x+5[/tex]
Slope of the line = [tex]\frac{1}{2}[/tex]
Slope of the line given in the graph = [tex]\frac{\text{Rise}}{\text{Run}}[/tex]
= [tex]\frac{3}{4}[/tex]
But [tex]\frac{1}{2}\neq \frac{3}{4}[/tex]
Therefore, slopes of the line and the line given in the graph are not equal.
Option (1) is incorrect
2). Since, [tex]\frac{3}{4}> \frac{1}{2}[/tex]
Therefore, Option (2) is correct.
3). Since, graph has a greater slope, option (3) is incorrect.
Option (2) is the correct statement.
answer please i need to pass this class
Answer:
The answer would be C. hope it helps goodluck
Two numbers that add to -8 and multiply to 16.
Calculate the length of the
segment labeled x.
Х
8
A-
12
20
Answer:
x = 40
Step-by-step explanation:
Given 2 secants from an external point to the circle, then
The product of the external part and the whole of one secant is equal to the product of the external part and the whole of the other secant, that is
8(8 + x) = 12(12 + 20)
8(8 + x) = 12 × 32 = 384 ( divide both sides by 8 )
8 + x = 48 ( subtract 8 from both sides )
x = 40
Math help please thanks due soon
Answer:
[tex]\text{5. } 22\text{ gallons},\\\text{6. }8.5344\:\text{m or }8.5\text{ m rounded to the nearest tenth},\\\text{7. }49^{\circ}\mathrm{C}[/tex]
Step-by-step explanation:
Question 5:
Use the conversion [tex]1\:\mathrm{liter}=0.264172\:\mathrm{gallon}[/tex] to convert from liters to gallons:
[tex]85\cdot 0.264172\approx \boxed{22\:\text{gallons}}[/tex]
Question 6:
Use the conversion [tex]1\text{ foot}=0.3048\text{ meters}[/tex] to convert from feet to meters:
[tex]28\cdot 0.3048=\boxed{8.5344\:\mathrm{m}}[/tex]
Question 7:
Use the conversion [tex]x^{\circ}\text{F}\implies \frac{5}{9}(x-32)^{\circ}\text{C}[/tex] to get:
[tex]120^{\circ}\text{F}=\frac{5}{9}(120-32)^{\circ}\text{C}=\frac{5}{9}(88)^{\circ}\text{C}\approx \boxed{49^{\circ}\text{C}}[/tex]