Answer:
(4th option) 254.34 cm
Step-by-step explanation:
Area of a circle = pi (r)^2
r=radius of circle which is half of diameter.
diameter=12+6=18
So, radius is half of 18 = 9
Plug it into the formula:
[tex]\pi (9)^{2}[/tex]
And you should get 254.34 cm^2
Answer:
Step-by-step explanation:
area of a circle is pi * r^2
r for the big circle is 1/2 of 18 or 9
pi * 9^2 = 254.469
plzzzzzzzzzzzzz helpppp!!!!!!!!
Answer: 1. 34 degrees+34 degrees=68 180-68=112 so x=112 degrees
2. 84+22=106 180-106=74 so x=74 degrees
3. 126+20=146 180-146=34 so x=34 degrees
4. both angles on both sides are 40 so 40+40=80 180-80=100 so x=100 degrees
Step-by-step explanation: plz mark me brainliest [tap the crown on the bottom of an answer, if there isn't one then reload the page (there has to be 2 people who answered)]
What are the sine and cosine of 4π/3?
Answer:
See below.
Step-by-step explanation:
Sin (4π/3) = -sqrt(3)/2
Cos(4π/3) = -1/2
please help i'll give brainliest
Step-by-step explanation:
24m , 75 m . 54 ,
Write the equation of a line in slope intercept form of a line that has a slope of 3/2 and contains (6, -2).
x = 5
x + y = 12
help please
Answer:
y = 7
Step-by-step explanation:
(5) + y = 12
12 - 5 = 7
Given cot A = 63/16 and that angle A is in Quadrant , find the exact value of sin A in simplest radical form using a rational denominator.
Answer:
sin(A) = 16*Cos(A)/63
Step-by-step explanation:
You didn't state what quadrant it was in.
The sine of angle A is 16 / 65
What is the sine of an angle?In a right-angled triangle, the sine of an angle is equal to the ratio of the side opposite to the angle (also called perpendicular) and hypotenuse.
Give that, cot A = 63/16 and that angle A is in Quadrant, (refer to the figure attached)
Since, we know that, cotangent of an angle is ratio of adjacent side to opposite side.
Using Pythagoras theorem, we get,
63²+16² = 4255
√4225 = 65
Therefore, the hypotenuse = 65
sine of an angle = opposite side / hypotenuse
sinA = 16 / 65
Hence, the sine of angle A is 16 / 65
Learn more about sine of an angle, click;
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A navy cruiser detects a nuclear submarine that is 2500 feet from the cruiser. The angle between the water level and the submarine is 15.5 degrees. How deep is the submarine?
Answer:
Depth of the submarine = 668.09 feet
Step-by-step explanation:
From the figure attached,
In triangle ABC,
Distance between a navy cruiser and a nuclear submarine = 2500 feet
Angle between the water level and the submarine = 15.5°
By applying sine rule in the given triangle,
sin(∠BAC)° = [tex]\frac{BC}{AC}[/tex]
sin(15.5°) = [tex]\frac{BC}{2500}[/tex]
BC = 2500[sin(15.5)]
BC = 668.09 feet
Therefore, submarine is 668.09 feet deep in the sea.
Q1. Prasha has five blocks of wood. The total weight of all five blocks of wood is 3 kilograms. 4 of the blocks of wood each have a weight of 650 grams. Work out the weight, in grams, of the other block of wood.
Answer: Weight of the remaining block of wood =400g
Step-by-step explanation:
Total Weight of five(5) blocks = 3kg = 3000g
Weight of 4 out of the 5 blocks = 650x 4= 2600g
Weight of the remaining block of wood =Total Weight of five(5) blocks-Weight of 4 out of the 5 blocks
= 3000g-2600g
=400g
Salary: $59,438
Starting age: 24
Ending age: 67
Answer:
2.6 million
have a good day!
After driving for 2 hours, Juan is 110 miles from his home. After driving 5 hours, he is 275 miles from his home. What is his average rate of change?
Answer:
392
Step-by-step explanation:
The average rate of change will be "55 m/h".
According to the question,
→ After 2 hours (t₁),
Juan is 110 miles (d₁) from his home.
→ After 5 hours (t₂),
Juan is 275 miles (d₂) from his home.
→ The average rate of change will be:
= [tex]\frac{d_1+d_2}{t_1+t_2}[/tex]
By substituting the values, we get
= [tex]\frac{110+275}{2+5}[/tex]
= [tex]\frac{385}{7}[/tex]
= [tex]55 \ m/h[/tex]
Thus the above is the right solution.
Learn more about average rate of change here:
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A TV has a listed price of $520,95 before tax. If the sales tax rate is 6.25%, find the total cost of the TV with sales tax included.
Round your answer to the nearest cent, as necessary,
Answer: 6000,00
Step-by-step explanation:
Question 1 (4 points)
Which statement is true?
F 21 and 22 are alternate interior angles.
G21 and 23 are corresponding angles.
H 23 and 26 are alternate exterior
angles.
J Z3 and 27 are same-side interior
angles.
The center is (2, 5) and the radius is 9
Give me work plsss
Answer:
[tex](x-2)^2+(y-5)^2=9^2[/tex]
Step-by-step explanation:
We use the equation
[tex](x-h)^2+(y-k)^2=r^2[/tex]
Now we plug in the numbers
(h, k) = center point (2, 5)
This would equal
[tex](x-2)^2+(y-5)^2=9^2[/tex]
If you can do this whole thing I will give you the brainliest JUST PLEASEE HELPPP MEEEE
Answer:
this hurts my brain x_x my non-existent brain....
Which point is on the graph of a direct variation equation in which k = 0.4?
A) (10, 0.04)
B) (4, 10)
C) (10, 4)
D) (0.04, 10)
$45.50, 15% markup what is the total
Answer:
$52.324
Step-by-step explanation:
The mean number of books read
last year by a group of students is
normally distributed with a mean of 10
and a standard deviation of 6. If Austin
is 0.5 standard deviations below the mean
and Kaleigh is 2 standard deviations
above the mean, how many more books
did Kaleigh read than Austin?
Answer:
I thing Kaleigh read 1.5 more than Austin
Step-by-step explanation:
Will mark brainliest.
What is pi?
Answer: 3.14159265358979.....
Step-by-step explanation:
Answer:
3.14159 26535 89793 23846 26433 83279 50288 41971 69399 37510 58209 74944 59230 78164 06286 20899 86280 34825 34211 7067.
Jeremy earned $33,000 after working for 44 weeks. How much money did Jeremy earn each week? Show Your Work
Answer: jimmy needs a new job
Step-by-step explanation:
help plz
5. Translate the following phrase: Tom can spend no more than 20 dollars on his mom's birthday present. (a)t>20 (b)t<20
[tex]c.t \leqslant 20 \: \: \: d.t \geqslant 20[/tex]
Answer:
a.) t≥20
t being what tom can spend
he can spend 20 dollars or less on the present
True or False: The final answer with the unit of measure will always been cubed.
True
False
Answer:
true
Step-by-step explanation:
Pls help I need this answer asap I got 10 min left :(
Answer:
Step-by-step explanation:
Please help me need help me please please help me
9514 1404 393
Answer:
(3) y = (x -3)²
Step-by-step explanation:
Try the first value of x in each function:
(1) y = 3² -3 ≠ 0
(2) y = (3 +3)² ≠ 0
(3) y = (3 -3)² = 0 . . . . . . matches the table value for f(3)
(4) y = 3² +3 ≠ 0
__
The only viable choice is (3).
HEY CAN ANYONE PLS ANSWER DIS MATH PROBLEM!
Find the volume of a cone that has a radius of and a height of 1.
the volume of the cone would be 2.36 I hope this helps ❤️
Which of the following is the correct mapping for shape A and shape B?
Answer:
b. (x , y) -> (-x , y)
Step-by-step explanation:
Reflection over y axis
Find value of x pleaseee
Answer:
Step-by-step explanation:
you can use the side angle side formula ( a form of Law of Cosines)
a^2 = b^2 + c^2 − 2bc cos(A)
where x = a , then
[tex]x^{2}[/tex] = [tex]5^{2}[/tex] +[tex]3^{2}[/tex] - 2*5*3*cos(107)
[tex]x^{2}[/tex] = 25 + 9 - 30 * (-0.292371)
[tex]x^{2}[/tex] = 25 + 9 -8.7711511
x = 5.0228 cm
Help me photo is attached below pleaseeee I beg youuu
Answer:
15? i'm not too sure, the wording is throwing me off
Step-by-step explanation:
Answer:
15 dogs
Step-by-step explanation:
dogs : cats : rabbits
5 : 2 : 1
? : ? : 3
1 rabbit = 2 cats
2 cats = 5 dogs
1 rabbit = 2 cats
2 rabbits = 4 cats
3 rabbits = 6 cats
2 cats = 5 dogs
4 cats = 10 dogs
6 cats = 15 dogs
EASY POINTS!!
Find two numbers if....
Their sum is -7 and their difference is 14
Let
a------------> first number
b------------> second number
we know that
a+b=-7--------> a=-7-b----------> equation 1
a-b=14--------> equation 2
I substitute 1 in 2
(-7-b)-b=14-------------> -7-b-b=14----------> -7-2b=14-------> 2b=-7-14
2b=-21---------> b=-10.5
a=-7-b-------> a=-7-(-10.5)-----> a=-7+10.5------> a=3.5
the answer is
the two numbers are
a=3.5
and
b=-10.5
now gimme brainliest
Answer as quickly as you possibly can
Answer:
m = 3/2
Step-by-step explanation:
You want to find the slope, or the change in y coordinates over change in x-coordinates.
The first given point is E(-2, -4)
The second point is F(2, 2)
Coordinates are given in (x, y), so following the equation and computing the x and y coordinates of E - F for both the numerator and denominator:
[tex]\frac{y_2 - y_1}{x_2-x_1} = \frac{-4 -2}{-2 -2} = \frac{-6}{-4} = \frac{3}{2}[/tex]
You could also have went the other way and calculated F - E for the numerator and denominator and get the same answer.
Finally, to check you can also look at the graph through the rise over run (rise/run) method and see that from E, you go up 3 (rise) and to the right 2 (run) to get to the next point on the line.