We have that Linda's net and expression incorrect.
Now, With the Expression of the surface area of attic
45 (40 + 25 + 25) + 1/2 (40 x 15)
Hence, Surface area is,
X = 4050 + 600
X = 4650 feet²
Hence, The answer is No, Because Her expression for the triangles are incorrect;
1/2(40 x 15)
Instead of,
1/2 x 40 x 15
Hence, Linda's net and expression incorrect,
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Complete question is,
Linda is adding padding to all of the surfaces inside her attic for extra warmth in the winter.
She needs to find the approximate surface area of the attic, including the walls, floor, and ceiling. The attic is in the shape of a triangular prism. Linda draws the net and writes the expression below to represent the surface area of the attic. Are Linda's net and expression correct?
Does anybody know this? I feel like it it's easy but I can't seem to get it. Find the common difference of the arithmetic sequence -3.6,-3.9,-4.2,-4.5
Answer: Looks like its -.3
Answer:
Step-by-step explanation:
-3.6 + -0.3 = -3.9
-3.9 + -0.3 = -4.2
-4.2 + -0.3 = -4.5
you are adding - 0.3 to each number to get the next number in the sequence
=
+
What is the product of 12 and 4 decreased by 15
The results of the product of 12 and 4 decreased by 15 is 33
How to solve product of numbers?Product refers to another term which means multiplication of numbers.
product of 12 and 4
= (12 × 4)
decreased by 15 means 15 is subtracted from the expression
= (12 × 4) - 15
Following the rules of PEMDAS
P = parenthesis
E = exponents
M = multiplication
D = Division
A = addition
S =subtraction
So,
(12 × 4) - 15
= 48 - 15
= 33
Hence, 33 is the product of 12 and 4 decreased by 15
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The value of the product of 12 and 4 decreased by 15 is 33
How to determine the product of 12 and 4 decreased by 15From the question, we have the following parameters that can be used in our computation:
The product of 12 and 4 decreased by 15
The product of 12 and 4 is expressed as
12 * 4
Evaluate
12 * 4 = 48
When decreased by 15, we subtract 15 from both sides of the equation
using the above as a guide, we have the following:
12 * 4 - 15 = 48 - 15
Evaluate
12 * 4 - 15 = 33
Hence, the product of 12 and 4 decreased by 15 is 33
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Given m ∥ n, find the value of x.
given that m is parallel to n,
the angle opposite (2x + 16)° is also (2x + 16)° as vertically opposite angles are equal.
using the corresponding angle rule we know that:
2x + 16 = 96
2x = 80
so x = 40
-5-15x-10=-4x-8x
How do I do the is step by step?
Answer:
x = -5
Step-by-step explanation:
-5 - 15x - 10 = -4x - 8x
-5 - 10 = -4x - 8x + 15x
-15 = -12x + 15x
-15 = 3x
x = -5
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The volume of the shape for Jackson's ice cream is given as follows:
11.85 in³.
How to obtain the volume?The volume of a cone of radius r and height h is given by the equation presented as follows:
V = πr²h/3.
Hence the volume of the cone in this problem is given as follows:
V = 3.14 x 1.5² x 5/3
V = 11.78 in³.
The volume of an hemisphere of radius r is given as follows:
V = 2πr³/3.
Hence the volume of sphere is:
V = 2π x 1.5³/3
V = 7.07 in³.
Hence the total volume is given as follows:
11.78 + 7.07 = 11.85 in³.
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A company packs its fruit salad in
containers that hold 1 5/8 pounds
How many containers does it
need to hold 585 pounds of fruit
salad?
Answer: 360 containers
Step-by-step explanation: 1 5/8 in decimal form is 1.625 pounds. Divide 585 by 1.625 pounds you get 360. It takes 360 containers to hold 585 pounds of fruit
principal $45,687.23 annual interest rate 7.555% interest period monthly. What is the first period interest?
The interest rate for the first period is $287.22
Using the Simple Interest PrincipleTo obtain the first period interest, we use simple interest formula;
Simple Interest = Principal * Rate * Time
Given:
Principal = $45,687.23
Annual interest rate = 7.555%
Interest period = Monthly
Convert the annual interest rate to a monthly interest rate.
Monthly interest = Annual interest/ 12 = 7.555/12 = 0.6295%
First period interest:Interest = Principal * Monthly interest rate * Time
Since it's the first period, the time is 1 month:
Interest = $45,687.23 * 0.62958333% * 1
Interest = $45,687.23 * 0.0062958333
Interest ≈ $287.22
Therefore, the first period interest is $287.22.
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Find value of X. Round to the nearest tenth. right Triangle 36° , 10, x
●Problem #8
Answer:
x ≈ 8.1
Step-by-step explanation:
using the cosine ratio in the right triangle
cos36° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{x}{10}[/tex] ( multiply both sides by 10 )
10 × cos36° = x , then
x ≈ 8.1 ( to the nearest tenth )
Convert from radians to degrees.
1/4π
1/4π radians is approximately equal to 45 degrees.
To convert a value from radians to degrees, multiply the value by 180/π. For example, to convert π/4 radians to degrees, multiply π/4 by 180/π to get 45 degrees. This conversion is useful for converting angles between the two units of measurement.
Degrees = Radians × 180/π.
Therefore, to convert 1/4π radians to degrees, we have:
Degrees = (1/4π) × (180/π) ≈ 45°
Hence, 1/4π radians is approximately equal to 45 degrees.
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.....................................................................................
Answer:
(-6,0)
Step-by-step explanation:
An equation of a line can be modeled as y = mx + b where m is slope and b is y-intercept.
For the line r, we can model the equation as y = mx + 3 since the line intersects y-axis at (0,3) as seen in the attachment.
For the line t, we can model the equation as y = mx - 6 as the problem gives y-intercept for line t equal to -6. Hence, the line t intersects y-axis at (0,6)
Next, we have to find the slope of line t by finding the slope of line r in the attachment. Apply the rise over run by counting the steps, you can see in the attachment that I put to learn how to count rise and run of a line. Also note that the value in attachment here is a scalar quantity, meaning only magnitude, no direction.
So we will have the slope of -1 since a line graph is heading down so the output decreases as input increases. Therefore, we know that m = -1 for both lines. Therefore, for the line t, we can model the new equation to:
[tex]\displaystyle{y=-x-6}[/tex]
Then we find the x-intercept of the line by letting y = 0. Thus,
[tex]\displaystyle{0=-x-6}\\\\\displaystyle{x=-6}[/tex]
Therefore, the x-intercept of line t is at (-6,0).
Answer:
(-6,0)
Step-by-step explanation:
We need to determine the equation of line r first to find the x-intercept of line t.
The slope of a line passing through two points (x₁, y₁) and (x₂, y₂) is given by the formula:
[tex]slope = \frac{y_2 - y_1}{x_2 -x_1}[/tex]
For line r passing through (3, 0) and (0, 3), the slope is:
[tex]slope = \frac{3 - 0}{0 - 3} = -1[/tex]
Since line t has the same slope as line r, its slope is also -1.
The equation of a line in slope-intercept form (y = mx + b) is determined by its slope (m) and y-intercept (b).
We know that the slope (m) of line t is -1, and the y-intercept (b) is -6. Substituting these values into the slope-intercept form, we get:
y = -x - 6
To find the x-intercept, we set y = 0 and solve for x:
0 = -x - 6
Adding x to both sides:
x = -6
Therefore, the x-intercept of line t is (-6,0).
Enter the correct answer in the box. Write the sum of 12\sqrt{23x^{13}}+14\sqrt{23x^{13}} in simplest form, if x > 0.
The sum of the expressions 12√23x¹³ + 14√23x¹³ is in its simplest form if x > 0 is 26x⁶√23x
Calculating the sum of the radical expressionFrom the question, we have the following parameters that can be used in our computation:
12\sqrt{23x^{13}}+14\sqrt{23x^{13}}
Express the summation expression, properly
So, we have
12√23x¹³ + 14√23x¹³
Next, we add the terms of teh expression
Using the above as a guide, we have the following:
12√23x¹³ + 14√23x¹³ = 26√23x¹³
Take the square root of x¹³
12√23x¹³ + 14√23x¹³ = 26x⁶√23x
The above expression is in its simplest form if x > 0.
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10. Find measure of arc JK
pls help ASAP
The value of arc JK is determined as arc JK = 28⁰.
What is the value of arc JK?
The value of arc JK is calculated by applying intersecting chord theorem, which states that the angle at tangent is half of the arc angle of the two intersecting chords.
Also this theory states that arc angles of intersecting secants at the center of the circle is equal to the angle formed at the center of the circle by the two intersecting chords.
arc JK = m∠JNK
From the diagram, we have N = 152⁰
m∠JNK = ¹/₂ ( 360 - (152 + 152) (sum of angles at a point)
m∠JNK = 28⁰
The value of arc JK is calculated as follows;
arc JK = 28⁰
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50 Points! Multiple choice geometry question. Photo attached. Thank you!
Answer:
KL = 7, so B is the correct answer.
Rebecca takes out a loan that gathers compound interest. The bullet points below show the value of the loan over time.
Start = £2500.00
After 1 year = £2630.00
After 2 years = £2766.76
a) What is the rate of interest per annum? Give your answer as a percentage to 1 d.p.
b) Work out the value of the loan 10 years after it starts. Give your answer in pounds (£) to the nearest 1p.
The rate is 5.2%
After 10 years, the money will amount to £4150.
What is compound interest?We know that the compound interest can be obtained from;
[tex]A = P(1 + r/n)^{nt}[/tex]
The rate is obtained from;
I = A - P
I = interest
A = amount
P = principal
r = rate
n = Number of times compounded
t = time in years
Then;
I = £2630.00 - £2500.00
I = £130
I = PRT/100
130 = 2500 * R * 1/100
R = 130 * 100/2500
R = 5.2%
After 10 years;
[tex]A = 2500 ( 1 + 0.052)^{10}[/tex]
A = £4150
Thus this is the amount after 10 years
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50 Points! Multiple choice geometry question. Photo attached. Thank you!
A random survey of 495 adults found that 59 had dietes. Which of the following is a 98% confidence interval for the population proportion of adults with diabetes?
Answer:
{0.0853,0.1531}
Step-by-step explanation:
[tex]\displaystyle CI=\hat{p}\pm z\sqrt{\frac{\hat{p}\bigr(1-\hat{p}\bigr)}{n}}[/tex]
[tex]\displaystyle CI_{98\%}=\frac{59}{495}\pm2.326\sqrt{\frac{\frac{59}{495}\bigr(1-\frac{59}{495}\bigr)}{495}}\approx\{0.0853,0.1531\}[/tex]
please helppppppppppppppppppppppp
Answer:
last option
Step-by-step explanation:
let g = 3,
9/5 + 7/2(3)
9/5 + 21/2
adjust to a common denominator of ten to get;
18/10 + 105/10
= 123/10 = 12 3/10
so the last option !
I’m particularl class of 33 students, 14 are men. What fraction of the students in the class are men?
_____________________________
= 14 ÷ 33 × 100= 42.4% ~ 43% The Fraction of Male Students Is 43%_____________________________
Step-by-step explanation:
the headline says "college". that cannot be.
14 out of 33 are men.
so,
14/33 of the students are men.
that's it. nothing else can be done.
let's add a little bit more spice to this and ask also what percentage of the students are men :
for % questions, always find 100% and correspondingly 1%.
everything else can be easily calcite out of this.
100% = 33
1% = 100%/100 = 33/100 = 0.33
how many % of these 33 are 14 ?
as many as times 1% fit into these 14 :
14/0.33 = 42.42424242...%
his composite figure is made of two identical pyramids attached at their bases. Each pyramid has a height of 2 units. 2 identical pyramids with rectangular bases are connected at their base. The height of the pyramid is 2. The lengths of the sides of the rectangle are 5 and 0.25 units. Which expression represents the volume, in cubic units, of the composite figure? One-half (One-third (5) (0.25) (2) ) One-half (One-third (5) (0.25) (4) ) 2(One-third (5) (0.25) (2) ) 2(One-third (5) (0.25) (4) )
The expression that will represent the volume of the identical rectangular base pyramid is: 2[One-third (5) (0.25) (2)] cubic units.
How to evaluate the expression for the volume of the identical pyramidTo calculate for the volume of a rectangular base pyramid, we use the formula:
volume = 1/3 × area of base rectangle × height
volume of one identical pyramid = (1/3 × 5 × 0.5 × 2)cubic units
volume of the two identical pyramid = 2(1/3 × 5 × 0.5 × 2)cubic units.
Therefore, the expression that will represent the volume of the identical rectangular base pyramid is: 2[One-third (5) (0.25) (2)] cubic units.
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What is the measurement of N?
Can someone answer this question?
The graph of the polynomial function y = f(x) in the xy plane could be the first graph.
Given a polynomial function f.
Range of the polynomial function is the set of all the real numbers less than or equal to 4.
So y values are y ≤ 4
So the vertex of the function will be at y = 4 and other value are less than 4.
So parabola is downwards.
Two options are there with the parabola folded downwards.
Now the zeroes of f are at -3 and 1.
Zeroes of f are the values of x where the function touches the X axis.
Hence the correct graph is first one.
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hey i have a question about this assignment and want to check if my answers are right
The lengths of the sides and angles of the triangles, obtained using Pythagorean Theorem and trigonometric ratios are;
D. 19.2
C. 5.3
F. 2·√5
G. √3
H. 8·√3
K. 18.9
O. 15.5
N. 14.5
M. 41.4°
I. 74.1°
What is the Pythagorean Theorem?The Pythagorean Theorem states that the square of the length of the hypotenuse side of a right triangle is equivalent to the sum of the squares of the legs of the triangle.
D. x = √(15² + 12²) ≈ 19.2
C. x = √(10² - 8.5²) ≈ 5.3
F. x = 2·√(5) (Special triangles)
G. tan (60°) = 30/x = √3
x = 30/√3 = 10·√3
H. x/16 = (√3)/2
x = 16 × (√3)/2 = 8·√3
x = 8·√3
K. tan(34°) = x/28
x = 28 × tan(34°) ≈ 18.9
O. cos(55°) = x/27
x = 27 × cos(55) ≈ 15.5
N. sin(16°) = 4/x
x = 4/(sin(16°) ≈ 14.5
M. x = arccos(9/12) ≈ 41.4°
I. x = arcsin(25/26) ≈ 74.1°
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i need help with this
3:7 = ___: 49
Answer:
3 : 7 = 21 : 49
Step-by-step explanation:
i need help with this
3:7 = ___: 49
3 : 7 = x : 49
x = 3 × 49 ÷ 7
x = 147 ÷ 7
x = 21
3 : 7 = 21 : 49 (your answer)
a snail is 20 inches about the ground. It slips down 6 inches and the creeps up 12 inches. what is the snails height now?
Answer:
26 inches
Step-by-step explanation:
The snail starts 20 inches above the ground: +20
The snail slips (goes down) 6 inches: 20 - 6 = 14
The snail goes up 12 inches: 14 + 12 = 28
The snail is 28 inches above the ground.
Hope this helps!
Solve and graph on number line. |6x-3|<21
The solution of the given inequality is -3<x<4.
The given inequality is,
|6x-3| < 21
Here absolute function is applied in the given expression,
Therefore,
Case 1
⇒ (6x-3) > -21
⇒ 6x-3 > -21
Add 3 both sides,
⇒ 6x > -18
⇒ 6x > -3
Divide by 6 both sides we get,
⇒ x > -3
Case 2:
⇒ (6x-3) < 21
⇒ 6x-3 < 21
Add 3 both sides,
⇒ 6x-3+3 < 21+3
⇒ 6x < 21+3
⇒ 6x < 24
Divide by 6 both sides we get,
⇒ x < 4
Now plotting the graph of this inequality we get:
-3<x<4 is the solution.
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I attached the question
Following a translation of (x, y) (x - 1, y + 2) and a dilation by a scale factor of 2 centred at the origin, the coordinates of T are T''(8, 8).
Following translation and dilation, we must take the following actions to determine the new coordinates of point T:
1) Translation: (x, y) = (x - 1, y + 2).
T' = (5 - 1, 2 + 2)
= (4, 4) applies the translation to the original coordinates of T.
2) Dilation: Scale factor of 2 centered at the origin
Multiply the translated coordinates by the scale factor of 2:
T'' = (2 × 4, 2 × 4)
= (8, 8)
Therefore, the coordinates of T after the translation (x, y) → (x - 1, y + 2) followed by a dilation by a scale factor of 2 centered at the origin are T''(8, 8).
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Use the diagram to find x and y
The values of x and y is x=8 and y=12.
We are given that;
The dimensions=7 and 24
Now,
(x+y)^2= 7^2 + 24^2
x^2+y^2+2ab=49+416
x^2+y^2+2xy=465
Also, 7^2=x2+h2
49=x2+15
x2=49+15
x2=64
x=8
Substituting the values of x
8+y=20
y=12
Therefore, by Pythagoras theorem the answer will be x=8 and y=12.
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how are the shapes alikei need to know
The similarity between the cube and cuboid is that both have 12 edges.
option C.
What is a cube and cuboid?A cube is a solid three-dimensional figure, which has 6 square faces, 8 vertices and 12 edges.
So a cube is a three-dimensional solid figure, having 6 square faces and 12 edges.
A cuboid is a three-dimensional geometric shape that looks like a book or a rectangular box.
A cuboid can be defined as a three-dimensional solid shape that has 12 edges, 8 vertices, and 6 faces and each of its faces is rectangular in shape.
So the similarity between a cube and cuboid is that both have 6 faces and 12 edges.
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subtraction property of equality
multiplication property of equality
17
3
3
4
3
X-
Step
3
X=
17 3 17
7--7-x+5-77
3
5x.-
4
4
-2/x-12x X=
1 2
X= X-
2
X=-
4
5
-
-
X=
division property of equality
X+5
2
-/3/33
addition property of equality
2
3
8
15
-²333
x-²/3-1/2 x
-
17
4
5
3
given
simplification
Justification
The required justification for the solution to the equation is shown in the solution part.
As per the given equation, the required solution would be as follows:
Given:
17/3 - (3/4)x = 1(/2)x + 5
Subtraction property of equality:
17/3 - (3/4)x - 17/3 = 1(/2)x + 5 - 17/3
- (3/4)x = 1(/2)x - 2/3
Addition property of equality:
- (3/4)x - 1(/2)x = 1(/2)x - 2/3 - 1(/2)x
-(5/4)x = -2/3
Multiplication property of equality:
-(5/4)x × -4/5 = -2/3 × -4/5
Simplification:
x = 8/15
The required justification for the solution to the equation is shown in the solution part.
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Answer:
Answer shown in picture.
zeus industries bought a conputer for $2500. it is ecpected to depreciate at a eate of 20% per year. what will the e value of the computers be in 2 years
Answer: Let me explain!
Step-by-step explanation:
Well, this is easy, I’ll explain it.
We know the value of these computers are going to go down 20% each year. So since we know that, we can multiply 20 percent by the amount of years, which is 2, so 20 times 2 is 40, so the computers decreased in value by 40 percent!
Now that that’s established, we need to subtract forty percent of 2500, from the original price, 2500.
(To do that, move the decimal place over one to get 250, which is 10%, then multiply by 4, to get 40 percent of 2500, which is 1000, in case you weren’t sure on how to do that :)
Then, subtract 1000 from 2500, and that is your answer!
$1,500