Answer: 4x
Hope this helps!
ANYONE WANNNA HELP MATH!!!!! HRW BTW
Answer:
1/4 off
Step-by-step explanation:
1/4 is 0.25. 0.25 times 100 is 25. It would be 25% off. 25 is more than 20 and why buy 3 to get 1 free. Hope this helps!!!! Let me know if i'm right please.
how do I solve the volume of this shape ? and how to draw the cross section of this shape?
ANSWER:
2160 cm^3
STEP-BY-STEP EXPLANATION:
To calculate the volume of the figure, we must divide it in two, the upper part would be a triangular prism and the lower part a quadrangular prism.
The volume of a prism in both cases is the area of the base of the figure multiplied by the length, therefore:
\(\begin{gathered} V_{\text{tri}}=A_b\cdot l=\frac{b\cdot h}{2}\cdot l=\frac{12\cdot(12-8)}{2}\cdot18=432cm^3 \\ \\ V_{\text{qua}}=A_b\cdot l=b\cdot h\cdot l=12\cdot8\cdot18=1728cm^3 \\ \\ V_T=V_{\text{tri}}+V_{\text{qua}}=432+1728=2160cm^3 \end{gathered}\)The volume of the figure is 2160 cm^3
A cross section is a 2-dimensional "cut" in a 3-dimensional figure. Therefore, if it is vertical, the figure would be the base of the figure and if it is a horizontal cut, it would be a square.
Choose the correct algebraic expression for the verbal phrase below.
The product of 10 and f minus 4
4f-10
10(4)
10f-4
So According to me the answer is
10(f-4)
Because it says the product and product means multiply and brackets also means multiply so the product if 10 AND f-4
Which equation can be used to find the area of the blue triangle?
A) A=2(7)(12)
B) A= 1/2 (7)(12)
C)A=2(7²)(12²)
D)A= 1/2(7²)(12²)
Answer:
The answer is D. A=1/2(7 to the power of 2) 12 to the power of 2)
Step-by-step explanation:
what's 0/0, with full steps
Answer:
undefined
Step-by-step explanation:
division by zero is undefined
Division Property of zero
For any nonzero real number a
The quotient of "a" and 0 is undefined. That is a/0 is undefined
a ball is thrown up vertically. after t seconds, it's height (in feet) is given by the function h (t)=96t-16t^2 . after how long will it reach its maximum height
The time taken to reaches its maximum height is 3s.
In the question,
It is given that,
Height, h(t) = \(96t - 16t^{2}\)
The maximum value of the function is obtained if the first derivative of the function h (t) = 0.
\(\frac{dh(t)}{dt} = 96 - 32t = 0\)
⇒ \(t = 3\)
So, time taken to reach its max height is 3 seconds.
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-Ꮞk +1 = 1+k + 3k
What is this answer I need it quick thanks
Answer:
0
Step-by-step explanation:
Step 1:
- 4k + 1 = 1 + k + 3k Equation
Step 2:
- 4k + 1 = 1 + 4k Add
Step 3:
1 = 1 + 8k Add 4k on both sides
Step 4:
0 = 8k Subtract 1 on both sides
Answer:
k = 0
Hope This Helps :)
Solve the inequality
7+7(x+4)>21
Answer:
x>-2
Step-by-step explanation:
Hi there!
We are given the inequality 7+7(x+4)>21, and we want to solve it
Solving an inequality is a lot like solving an equation; we want to isolate x on one side by itself.
So to start, we'll preform the distributive property on 7(x+4) (multiply x by 7, then multiply 4 by 7 and add those two together).
7+7x+28>21
Now combine like terms.
7x+35>21
Subtract 35 from both sides
7x>-14
Divide both sides by 7
x>-2
Hope this helps!
Factor the trinomial x^2+19x+84
Answer:
(x+7)(x+12)
Step-by-step explanation:
Hope this helps and have a great day!!!!
Solve the following absolute value equation. If needed, write your answer as a fraction reduced to lowest terms.
||5y−6||=||4y+4||
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What is this simplifided 22,064÷394=
Answer:
when simplified the answer would come out to be 56
Dewan’s bank account balance is -$16.75. He deposits checks totaling $23.59. What is his new balance? -$1.08
Answer:
$6.84
Step-by-step explanation:
This is quite a simple question, simply add the new deposited amount into the original balance to get your answer.
Original balance: -$16.75Deposit: $23.59New balance: -$16.75 + $23.59 = $6.84A Bakery made 423 sandwiches in one day. What is that number rounded to the nearest hundred sandwiches?
Answer: 400
Step-by-step explanation:
Write your answer as an integer or as a decimal rounded to the nearest tenth.
Applying the sine rule the value of side w is calculated to be 6.2
How to find the size of wThe size of w is calculated using the sine rule which states that the ratio of a side and the opposite angles are equal
the formula is
Sin A / a = Sin B / b = Sin C / c
applying the formula for the problem
Sine W / w = Sine X / x
plugging in the values
Sine 38 / w = Sine 84 / 10
cross multiplying
w = 10 x Sin 38 / Sine 84
x = 6.185
x = 6.2 to the nearest tenth
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the graph of a line is shown on the grid. the coordinates of both point indicated on the graph of the line are integer
Answer:
-5/6
Step-by-step explanation:
By the application of Analytical geometry the rate of change of y with respect to x is -5/6.
what is Analytical geometry?
Analytical geometry is a branch of mathematics that studies geometric shapes and figures using analytical methods. It is a branch of mathematics that uses algebraic techniques to describe geometric shapes and figures. It involves the use of analytical equations and formulas to study geometric concepts. Analytical geometry is used to study the properties of points, lines, angles, circles, and other geometric shapes. It can also be used to solve problems involving angles, distances, and areas of figures. In addition, analytical geometry can be used to find the intersection of two lines, calculate the area of a circle, and calculate the volume of a cylinder. Analytical geometry is a powerful tool used in many scientific and engineering fields.
The rate of change of y with respect to x for this line is -5/6
Therefore -5/6 is rate of change in this graph.
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Simplify: (9^2 + 7^2)^3 + 10^3 pls help
Answer: 81 + 49 + 1000
Step-by-step explanation:
Answer: 2,198,000
Step-by-step explanation:
(81 + 49)^3 + 1000
2,197,000 + 1000
2198,000
BRAINLEST PLPSS
If a = -4, then what is the value of -a?
OA.
5
OB.
4
OC. 0
OD
D. -4
Bob eats 4 bottles of of baby food per day. If his father buys him 38 bottles of baby food how many days would it take him to finish it
Answer:
There are 7 days in a week so 7 times 4 = 28
Step-by-step explanation:
38 minus 28 = 10 days
It will take him 10 days
scientific notation
Answer:
1.45
Step-by-step explanation:
not sure but trying to help :)
Select ALL the correct answers.
Carmen and Matt are conducting different chemistry experiments in school. In both experiments, each student starts with an initial amount of water in a flask. They combine two chemicals which react to produce more water. Carmen's experiment starts with 30 milliliters of water in a flask, and the water increases in volume by 8.5 milliliters per second. Matt's experiment starts with 10 milliliters of water and increases in volume by 28% each second.
Which two conclusions can be made if f represents the volume of water in Carmen's flask and g represents the volume of water in Matt's flask?
The volume of water in Carmen's flask is increasing at a faster rate than the volume of water in Matt's flask over the interval [6, 8].
The volume of water in Carmen's flask is increasing at a slower rate than the volume of water in Matt's flask over the interval [4, 6].
The volume of water in Carmen's flask will always be greater than the volume of water in Matt's flask.
The volume of water in Matt's flask will eventually be greater than the volume of water in Carmen's flask.
The volume of water in Carmen's flask is increasing at a slower rate than the volume of water in Matt's flask over the interval [0, 2].
Only the following two conclusions can be made:
The volume of water in Carmen's flask is increasing at a faster rate than the volume of water in Matt's flask over the interval [6, 8].The volume of water in Matt's flask will eventually be greater than the volume of water in Carmen's flask.Which conclusions can be made if f represents the volume of water in Carmen's flask and g represents the volume of water in Matt's flask?The volume of water in Carmen's flask is increasing at a faster rate than the volume of water in Matt's flask over the interval [6, 8].This conclusion can be made by calculating the volume of water in Carmen's flask at time 6 seconds and at time 8 seconds, and comparing it to the volume of water in Matt's flask at the same times.
At time 6 seconds, the volume of water in Carmen's flask is 30 + 8.5(6) = 84 milliliters. At time 8 seconds, the volume of water in Carmen's flask is 30 + 8.5(8) = 94 milliliters. At time 6 seconds, the volume of water in Matt's flask is 10(1 + 0.28)^6 = 45.57 milliliters. At time 8 seconds, the volume of water in Matt's flask is 10(1 + 0.28)^8 = 64.15 milliliters.
Therefore, the volume of water in Carmen's flask is increasing at a faster rate than the volume of water in Matt's flask over the interval [6, 8].
The volume of water in Matt's flask will eventually be greater than the volume of water in Carmen's flask.This conclusion can be made because Matt's flask is increasing in volume by 28% each second, while Carmen's flask is increasing in volume by a fixed amount of 8.5 milliliters per second.
As time goes on, the percentage increase in Matt's flask will result in a faster rate of increase in volume compared to Carmen's flask.
Therefore, at some point, the volume of water in Matt's flask will be greater than the volume of water in Carmen's flask.
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In the diagram below of triangle BCD, E is the midpoint of BD and F is the midpoint of CD. If EF = 43-4x, and BC = 32-2x, what is the measure of EF?
The measure of the length EF of the triangle is; 21
How to solve similar triangles?We are given the the triangle BCD and we are told that;
E is the midpoint of BD.
F is the midpoint of CD
Now, since we have those midpoints, it means that by the concept of similar triangles, that;
DF/DC = EF/BC
Since F is the midpoint of DC, then it means that;
2DF = DC
We are given;
EF = 43 - 4x, and BC = 32 - 2x
Thus, we now have;
DF/(2DF) = (43 - 4x)/(32 - 2x)
1/2 = (43 - 4x)/(32 - 2x)
Cross multiply to get;
32 - 2x = 43 - 4x
4x - 2x = 43 - 32
2x = 11
x = 11/2
x = 5.5
Thus;
EF = 43 - 4(5.5)
EF = 43 - 22
EF = 21
Thus, we conclude that the side length EF is 21.
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Convert the equation f(t) = 227e b= -0.09€ to the form f(t) = ab* Give answers accurate to three decimal places
Please answer in the form of a number
Answer:
d ≈ 8.3
Step-by-step explanation:
This is kind of like the pythagorean theorem, but with one extra value. Thus, \(d^2=l^2+w^2+h^2\).
Plug in the values to get:
\(d^2=2^2+7^2+4^2\\d^2=4+49+16\\d^2=69\\d=\sqrt{69} \\\)
Thus d ≈ 8.3
What is the volume of the pyramid? Show all work.
6 m
8 m
4 m
Can someone help me with this with the work please I don’t know how to do this
Answer:
9. 45.36
10. 24.44
Step-by-step explanation:
9. Find the height, 10^2 - 8.4^2, take the square root of it
Then take the total base legnth and plug it into the equation A=(H x B)/2
10. 7^2 - 5.2^2, take the square root then take the total base legnth and plug it into the equation A=(H x B)/2
they are yes and no choices except the one that’s one the pic
helpppp
Therefore , the solution of he given problem of linear equation comes out to be x = 5.
A linear equation is defined.A linear equation is one that has the form y=mx+b in algebra. B is the slope, and m is the y-intercept. It's usual to refer to the previous clause as a "linear equation with two variables" because y and x are variables. The two-variable linear equations known as bivariate linear equations. There are several instances of linear equations: 2x - 3 = 0, 2y = 8, m + 1 = 0, x/2 = 3, x + y = 2, and 3x - y + z = 3. It is referred to as being linear when an equation has the form y=mx+b, where m stands for the slope and b for the y-intercept.
Here,
Given : 2x-4=6
To prove x =5
Thus,
We have to find the value of x
\(= > 2x =10\\= > x =10/2\\= > x =5\)
Therefore , the solution of he given problem of linear equation comes out to be x = 5.
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Drag each tile to the correct box.Arrange the angles in increasing order of their cosines.
Given:
\(\begin{gathered} \frac{3\pi}{4} \\ \pi \\ \frac{7\pi}{6} \\ \frac{5\pi}{3} \\ \frac{7\pi}{4} \\ \frac{4\pi}{3} \\ \frac{3\pi}{2} \\ 2\pi \end{gathered}\)To arrange the angles in increasing order, we first get the value of their cosines as shown below:
\(cos\frac{3\pi}{4}=-\frac{\sqrt{2}}{2}\)\(cos\pi=-1\)\(cos\frac{7\pi}{6}=-\frac{\sqrt{3}}{2}\)\(cos\frac{5\pi}{3}=\frac{1}{2}\)\(cos\frac{7\pi}{4}=\frac{\sqrt{2}}{2}\)\(cos\frac{4\pi}{3}=-\frac{1}{2}\)\(cos\frac{3\pi}{2}=0\)\(cos2\pi=1\)Therefore, the angles in increasing order of their cosines are:
\(\pi<\frac{7\pi}{6}<\frac{3\pi}{4}<\frac{4\pi}{3}<\frac{3\pi}{2}<\frac{5\pi}{3}<\frac{7\pi}{4}<2\pi\)XZ is the perpendicular bisector of segment WY. Solve for m. Enter a NUMBER only.
Answer:
m = 20
Step-by-step explanation:
You want the value of m when (4m +10)° represents an angle of 90°.
EquationThe perpendicular bisector XZ intersects segment WY at right angles. The measure of a right angle is 90°, so we have ...
(4m +10)° = 90°
SolutionDividing by ° and subtracting 10 gives ...
4m +10 = 90
4m = 80
m = 20 . . . . . . divide by 4
The value of m is 20.
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Triangles WILL GIVE BRAINLIEST
Answer:
A
Step-by-step explanation:
A
Answer:
Q9 - Option 1---- A - 15.6 Square Units
Q10 --Option --- (B) RECTANGLE
Step-by-step explanation:
Q9 --
Analyze:we know area of triangle = 1/2 ab sin theta
Where theta is the angle included between sides A and side B
Calculate:A = 5.2
B = 7
theta = 121 degrees
Area:1/2 * 5.2 * 7 * sin 121 degrees = 15.6 Square Units
Conclusion
The area of the triangle is 15.6 Square Units
Q10 - The cross-section of a right cylinder which is perpendicular to its base is a RECTANGLEOption --- (B) RECTANGLE
Hope this helps!