Answer:
588
Step-by-step explanation:
12x7x7=(12x7)x7=84x7=588
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The volume of the rectangular jewellery box will be 588 cubic cm.
Volume is defined as the space occupied by any object in the three dimensions. All three parameters are required for the volume like length, width and height of cube or cubes.
The rectangular box is made up of six surfaces. The area of the two opposite surfaces is always equal.
Given that the dimensions of the rectangular box are a length of 12 cm, a with of 7 cm and a height of 7 cm.
The volume of the rectangular box will be calculated as,
Volume = L x W x H
Volume = 12x7x7=
Volume = (12x7)x7
Volume = 84x7
Volume = 588 cubic cm
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The radius of a circle is 17 inches . What is the circumference? Use 3.14 for pi!
Answer:
53.38
Step-by-step explanation:
A square garden has a side length of 5 ft. What is the area of the garden?
5ft
10ft
20ft
25ft
Remember the are of a square is the side of a square squared.
This meant that this square's area=5^2=25
Done!
Wilbur won 98 super bouncy balls. He gave four to every student in his math class. He only has 10
remaining. How many students are in his class? Write an equation to represent the situation and solve.
Answer:
22
Step-by-step explanation:
The equation would be:
let s be the number of students
[tex]4s + 10 =98[/tex]
Solve:
[tex]4s+10=98\\4s = 88\\s = 22[/tex]
help also use GEMDAS OR PEMDAS brainlest might be given
Answer:
10
Step-by-step explanation:
6(10) ÷ 3(2) = 10
60 ÷ 6 = 10
10 = 10
PLZ HELP ASAP
The circle is centered at the point (4,5), and the length of its radius is 3. what is teh equation of the circle?
a) (x-4)^2 + (y-5)^2 = 9
b) (x+4)^2 + (y+5)^2 = 3
c) (x-5)^2 + (y-4)^2 = 9
d) (x^2-4) + (y^2-5) = 3^2
Answer:
The answer is C.
Step-by-step explanation:
3b+t=30
5b-t=42
its easy and im lazy please solve with full steps asap
Hector drew a 120 angle. What fraction of a circle does hector's angle turn through. PLSSSS HELP
Answer:
please send a picture so I can see
Biologists notice an alarming trend in the walleye population in Lake Erie. Despite efforts, the population is decreasing by 15% each year. They estimate the walleye population was 26 million at the beginning of the current year. Write a sequence that lists the population for the first 4 years using 26 million as the first term.
Walleye populations are considered to be in a rehabilitation state when they are between 15 and 20 million. In what year will the population reach this level? In addition to a harvest restriction, what intervention could be used?
Using the formula [tex]s_n = \frac{a^1 - a^1 (1 + r)^n}{1-(1+r)}[/tex] the sum of the population for the first 10 years? Remember it is decreasing by 15% each year!!
Answer:
Part A
The population for the first four years are;
Year 1; 26,000,000,
Year 2; 22,100,000
Year 3; 18,785,000
Year 4; 15,967,250
Part B
i)The third year
ii) Provision of spawning environment and the reduction of predators
Part C
The population after 10 years is approximately 139,208,436
Step-by-step explanation:
Part A
The given parameters are;
The rate at which the population is decreasing = 15%
The population of the walleye at the beginning of the current year, P = 26 million
Therefore, we have;
The population of subsequent year = 0.85 × The population of the current year
Therefore, we have a geometric series, with a first term, a = 26 million, and a common ratio, r = 0.85, given as follows;
aₙ = a + ar + ar² + ...
Therefore the first 4 years using 26 million as the first term are;
a₁ = 26 × 10⁶
a₂ = 26 × 10⁶ × 0.85 = 22,100,000
a₃ = 26 × 10⁶ × 0.85² = 18,785,000
a₄ = 26 × 10⁶ × 0.85³ = 15,967,250
The population for the first four years are;
26,000,000, 22,100,000, 18,785,000, 15,967,250
Part B
i) Given that the walleye population are considered to be in rehabilitation state when they are between 15 and 20 million, we have;
The population in the third year = 18,750,000 < 20,000,000
Therefore, the population enters rehabilitation state in the 3rd year
ii) Other intervention method includes provision of a adequate environment for spawning and the removal of predators
Part C
The formula for the sum of the geometric progression is presented as follows;
[tex]S_n = \dfrac{a^1 - a^1 \cdot (1 + r)^n}{1 - (1 + r)}[/tex]
Therefore, we have;
[tex]S_n = \dfrac{26 - 26 \cdot (1 - 0.15)^{10}}{1 - (1 - 0.15)} = 139.208436581[/tex]
The population after 10 years, Sₙ = 139.208436581 × 10⁶ ≈ 139,208,436
The measure of central angle RST is r radians.
What is the area of the shaded sector?
A. 41π units^2
B. 8π units^2
C. 16π units^2
D. 20π units^2
The area of the shaded sector of the circle is 16π units².
How to find the area of a circle?Suppose the circle has radius of 'r' units, then, its area is given as:
[tex]A = \pi \times r^2[/tex]
sq. units
Since radius of a circle is half of its diameter, so if diameter is of 'd' length, then r= d/2, thus, area can be rewritten as:
[tex]\pi \times (\dfrac{d}{2})^2[/tex]
sq. units
We are given that;
θ = r radians
r = 4 units
Now,
To convert radians to degrees, we use the formula:
Degrees = Radians × 180°/π
So,
θ = r × 180°/π
Substituting these values in the formula for area of a sector, we get:
Area of a sector = (r × 180°/π / 360°) × π(4)²
Simplifying, we get:
Area of a sector = r² units²
=16π units².
Therefore, by the area of a circle the answer will be 16π units².
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The math club is going to sell t-shirts as a fundraiser. They buy 100 t-shirts and pay a total of $600 for the t-shirts and printing costs.
If they sell each t-shirt for $12, how many t-shirts must they sell to make a profit of $300?
O A. 9
OB. 25
O C. 50
OD. 75
O E 100
They have to sell D. 75 shirts to make a profit of $300.
The total cost of buying and printing the shirts was $600.
In order to make a profit of $300, they would therefore have to raise:
= Cost + profit
= 600 + 300
= $900
As they are selling each shirt $12, the number of shirts they would have to sell to get to $900 is:
= 900 / 12
= 75 shirts
They would therefore have to sell 75 shirts in order to make a profit of $300.
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solve the equation -8(4k-5)=200
Answer:
k = -5
Step-by-step explanation:
Can someone plz help me with this one problem plz!!!!
Answer:
x y
0 10
1 13
2 16
3 19
Step-by-step explanation:
y = 3x + 10
Let x = 0 and evaluate the expression.
y = 3(0) + 10 = 0 + 10 = 10
Let x = 1 and evaluate the expression.
y = 3(1) + 10 = 3 + 10 = 13
Let x = 2 and evaluate the expression.
y = 3(2) + 10 = 6 + 10 = 16
Let x = 3 and evaluate the expression.
y = 3(3) + 10 = 9 + 10 = 19
x y
0 10
1 13
2 16
3 19
Can SOMEONE PLZ HELPPPP
Answer:
option D would be your answer
Step-by-step explanation:
[tex]y=\frac{-1}{2}[/tex]
Answer:
its -1/2 the last option
Step-by-step explanation:
What is the value of this expression? 6 (24+ 3) - 2
Answer:
160
Step-by-step explanation:
PEMDAS
parenthesis go first 24+3= 27
there are no exponents but their is multiplication 27 times 6 is 162 their is no (D)Division (A)Addition but their is (S) Subtraction 162 minus 2 is 160
12ax^{2} -15ab-16a+20b[/tex]
Answer:
12 a x^ 2 -15 a b-16 a
You are building a door frame. Both sides are 80.5 inches long and the top and bottom are both 36.5 inches wide. Which additional
statement(s) give enough information to conclude that the door frame forms a rectangle?
Answer:
you'd have to know that the corners are at 90 degree angles. as is, it could be a parallelogram
What is the transformation shown?
Answer:
it moves up
Step-by-step explanation:
plz help me ...
please
Answer:
x = -1, and y = -2, giving you the answer (-1, -2)
Step-by-step explanation:
In the second equation, we're told that y is equal to 2x. With that, we can replace "y" in the first one with "2x", giving us:
-4x - 2x = 6
-6x = 6
x = -1
Now that we know the value of x, we can simply plug it into the first equation to find y:
-4x - y = 6
-4(-1) - y = 6
4 - y = 6
-4 + y = -6
y = -6 + 4
y = -2
So x = -1, and y = -2
Which expression is equivalently to x^2 + 2x + 2?
Answer:
(x-1)^2 +1
Step-by-step explanation:
Answer:
(x + 1 - i ) (x + 1 + i)
Step-by-step explanation:
can a triangle be a right triangle if there is no right angle
Answer:
The answer is No because you have to have 1 right angle/90 degree angle for it to be a right angle hints the name right angle
Step-by-step explanation:
Please have a great week and mark me as brainllest god bless you
[o]-[o]
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2. Find the volume of the
cylinder
Answer:
V≈43.98
Step-by-step explanation:
V=πr2h=π·22·3.5≈43.9823
Complete the square to transform the quadratic equation into the form
(x − p)2 = q.
x2 + 20x – 104 = -8
A) (x – 10)2 = 196
B) (x + 10)2 = 96
C) (x – 20)2 = 96
D) (x + 20)2 = 196
Can someone please help me solve #6
I’ll give brainiest to the first answer
Answer: It's either 278 or 178
Step-by-step explanation: I didn't know what equation the question wants you to use so for the first equation it showed I did (10^2+24+10+144) and got 278. For the second equation I did 24+10+144 and got 178. Considering it gave you ax+b as an area equation I just added them (same with the other equation). I don't know whether those are correct of not though.
I need help please, I'm so confused .
Answer:
0.1, -0.2, -0.5
Step-by-step explanation:
A small bottle contains 120 mL of juice. A large bottle contains 160 mL of juice. What is the ratio of the volume of juice in the small bottle to the volume of juice in the large bottle? A. 4 : 3 B. 3:5 C.3 : 4 D. 5:3
Answer:
3:4
Step-by-step explanation:
Given:
Small bottle volume = 120 mL
Big bottle volume = 160 mL
Find:
Ratio of small bottle to big bottles volume
Computation:
Ratio of small bottle to big bottles volume = 120 / 160
Ratio of small bottle to big bottles volume = 3/4
Ratio of small bottle to big bottles volume = 3:4
Option "C" is correct.
2) Jacob is 3 years older than Sarah, and Caroline is twice as old as Sarah
If Caroline is 28 years old, how old is Jacob? *
midpoint of (4,3) and (9,10)
Answer:
(13/2, 13/2)
Step-by-step explanation:
5a + 5b -5 + 11a - 11b + 11
Answer:
16a - 6b + 6
Step-by-step explanation:
5a + 5b - 5 + 11a - 11b + 11 = 5a + 11a + 5b - 11b - 5 + 11 = 16a - 6b + 6
If f(x) = - 3x3 -- x2 +8
what is f(-2)?
Answer:
f(-2) = 28
Step-by-step explanation:
Given that,
[tex]f(x) = - 3x^3 -x^2 +8[/tex]
We need to find the value of f(-2). Put x = -2 in the given function. SO,
[tex]f(-2) = - 3(-2)^3 -(-2)^2 +8\\\\=24-4+8\\\\=28[/tex]
So, the value of f(-2) is equal to 28.
11-2 (1+3x) < 39
Maths HW Please help
Answer:
x>-5
Step-by-step explanation: