to check what type of conic it may be, we first check the squared variables, their coefficents and sign.
in this case 2x² and 5y² are both positive, that means we have either an ellipse or a circle.
if the coefficients are equal, boinggggg! we have a circle, or if you wish an ellipse with equal axes.
if the coefficients are different, like in this case, we have an ellipse.
Answer:
photo
Step-by-step explanation:
Spencer cut a square cake vertically to make two rectangle slices. Each rectangle had a perimeter of 27 inches. How long is each side of the original square cake?Solve on paper.Each side of the original square cake is 9 in. What is the area of the original square cake?
Answer:
81 square inches. square have equal length for all sides area for square is any side times another side so 9x9=81
The circumference of a circle is 8 3.14cm. What is the DIAMETER of the circle?
A) 2 cm
B) 4 cm
96 cm
D) 8 cm
E) 16 cm
Circumference = pi x diameter
Given circumference: 8pi
Diameter = 8
Correct answer: D) 8 cm
Hope this helps!
The following graph shows the feasible region for which system of inequalities?
The feasible region which is shown is the graph of is of the solution of inequalities y<4,x>=0,x<4 and y>=1. which is option C.
What is inequality?An inequality is like an equation but is expressed in greater than ,less than, greater than or equal to, less than or equal to signs. It is equated to find the range of variables.
How to graph inequality?The given graph has three lines showing different inequality.
One which is parallel to x axis and present at y=4 is doted and because the region from this line is towards origin so the sign between y and 4 is of < sign and we don't use equal to sign as it is doted. The inequality will be y<4
Other line is also parallel to x axis at y=1 but it is not doted and the region shaded is away from the line and origin so we use > than sign and equal to sign. The inequality will be y>-1.
The solution lies in first quadrant so x>=0.
One line is parallel to y-axis at x=4 and because the solution is towards origin so we will use <=0 sign as it is not dotted also.
Hence the inequalities are y<4,x>=0<x<4, y>1.
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To buy an article marked Rs. 20,000, we get a discount of 15% and have to pay the value added tax (VAT) at the rate of 13%. How much value added tax amount we have to pay to buy that article ?
Answer:
Based on the given conditions, formulate:: 13%×20000×(1−15%)
Calculate the sum or difference: 0.13×20000×0.85
Calculate the product or quotient: 2210
Which phrase best describes the translation from the graph y = 2(x - 15)2 + 3 to the graph of y = 2(x - 11)2 + 3?
4 units to the left
4 units to the right
8 units to the left
8 units to the right
What change has been caused?
y=2(x-15)²+3y=2(x-15+4)²+3y=2(x-11)²+3Change in x (+4)
Means
translation is 4units leftOption A
Answer:
translate 4 to the left
Step-by-step explanation:
ED 2022
which ordered pair represents
(fg)(3) on the graph of the combined function?
A. (9,-3)
B. (3,25)
C. (3,5)
D. (9,25)
find the slope of the line that passes through the points given in the table
Answer:
17. -2.5
18. 3
19. 0
20. -1
21. 2.33
22. undefined
The Slope of line:
1. -5/2
2. 3
3. 0
4. -1
5. 7/3
6. ∞
What is Slope?A line's slope is determined by how its y coordinate changes in relation to how its x coordinate changes. y and x are the net changes in the y and x coordinates, respectively. Therefore, it is possible to write the
change in y coordinate with respect to the change in x coordinate as,
m = Δy/Δx where, m is the slope
Given:
1. Slope of line
= (1-11)/ (-2 +6)
= -10 / 4
= -5/2
2. Slope of line
= (-2+ 5)/ (-3+ 4)
= 3 / 1
= 3
3. slope of line
= (6-6)/ (3+1)
= 0
4. Slope of line
= (7-8)/ (2-1)
= -1
5. Slope of line
= (-1+8)/ (0+3)
= 7/3
6. Slope of line
= (3-5)/ (-2+ 2)
= ∞
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Find the range: 40, 90, 36, 68, 90, 11, 88, 54
Answer:
79
Step-by-step explanation:
90-11=79
Answer:
79
Step-by-step explanation:
To find the range, subtract the biggest number and the smallest number. In this case, it would be 90-11 which is 79.
giving point and brainliest
Answer:
18
Step-by-step explanation:
Given expression:
[tex]2 \times (6 \div 2 + 8) - 4[/tex]
Step-1: Simplify the expression in the parenthesis using PEMDAS
Expression obtained Operation of PEMDAS
[tex]\implies 2 \times (6 \div 2 + 8) - 4[/tex]
[tex]\implies 2 \times (3 + 8) - 4[/tex] D - Division
[tex]\implies 2 \times (11) - 4[/tex] A - Addition
[tex]\implies2 \times 11 - 4[/tex]
Step-2: Simplify the expression obtained from step-1
Expression obtained Operation of PEMDAS
[tex]\implies 2 \times 11 - 4[/tex]
[tex]\implies 22 - 4[/tex] M - Multiplication
[tex]\implies 18[/tex] S - Subtraction
What is the length of BD?
A. 5 units
B. 10 units
C. 20 units
D. There is not enough information to determine the length of BD
Answer:
what is the length of bd?
my answer is:
Letter B.10 units in my opinion
i hope it helps
PLS HELP ME ASAP I WILL MARK THE BRAINLIEST
Answer:
Unfortunately I was only able to solve the second question
Step-by-step explanation:
So sorry if I'm wrong but this is what I got:
Volume of a cylinder
V=πr^2h
V=π(4^2)(19)
V=955.04
Lateral S.A.
S.A.=2πrh
S.A.=2π(4)(19)
S.A.=477.52
Total S.A.
S.A.=2πrh+2πr^2
S.A.=2π(4)(19)+2π(4^2)
S.A.=578.05
64÷7890 su resultado y lo que sobra plis :/
Answer:
0.008111533587 o 32/3945
Step-by-step explanation:
find the length of the missing side.
1) 52 cm
2) 42cm
3) 25 cm
4) 48 cm
Answer:
52 cm
Step-by-step explanation:
Use the pythagorean theorem to solve for missing sides in a right triangle.
20²+48²= missing side
20²+48²=2704
Take the square root of 2704 to get the missing side.
[tex] \sqrt{2704 } = 52[/tex]
Answer :
52 cm⠀
Explanation :
This is Right Angled Triangle.⠀
Solution :
We'll solve this using the Pythagorean Theorem.
where,
AB (20 cm) is the perpendicularBC (48 cm) is the Base.AC is the Hypotenuse.⠀
We know that,
[tex]{\longrightarrow \bf \qquad (AC) {}^{2} = (AB) {}^{2} +( BC) {}^{2} } \\ \\ [/tex]
Now, we will substitute the given values in the formula :
[tex]{\longrightarrow \sf \qquad (AC) {}^{2} = (20) {}^{2} +( 48) {}^{2} } \\ \\ [/tex]
We know that, (20)² = 400 and (48)² = 2304. So,
[tex]{\longrightarrow \sf \qquad (AC) {}^{2} = 400 + 2304 } \\ \\ [/tex]
Now, adding 400 and 2304 we get :
[tex]{\longrightarrow \sf \qquad (AC) {}^{2} = 2704 } \\ \\ [/tex]
Now, we'll take the square root of both sides to remove the square from AC :
[tex]{\longrightarrow \sf \qquad \sqrt{ (AC) {}^{2}} = \sqrt{2704} } \\ \\ [/tex]
When we take the square root of (AC)² , it becomes AC,
[tex]{\longrightarrow \sf \qquad AC = \sqrt{2704} } \\ \\ [/tex]
We know that, square root of 2704 is 52 .
[tex]{\longrightarrow \sf{\pmb{ \qquad AC = 52 }}} \\ \\ [/tex]
So,
The measure of the missing side (AC) is 52 cm .PLEASE HELP !! #24 & #26
Answer:
Step-by-step explanation:
Sum of exterior angles of any Polygon = 360°
23. x + 65 + 106 + 78 = 360
x + 249 = 360
{To find the value of x, subtract 249 from both sides}
x = 360 - 249
x = 111°
_________________________________________
24. x + x + 59 + 48 + 50 + 39 + 58 = 360
2x + 254 = 360
2x = 360 - 254
2x = 106
x = 106 ÷ 2
x = 53°
____________________________________________
25. 2x + 3x + 44 +85 + 71 = 360
5x + 200 = 360
5x = 360 - 200
5x = 160
x = 160 ÷ 5
x = 32°
_______________________________________________
26. x+ 2x + 77 + 40 + 45 = 360
3x + 162 = 360
3x = 360 - 162
3x = 198
x = 198 ÷ 3
x = 66°
-5x-15+25x-30
Help me please
Answer:
[tex]\boxed{\sf{20x-45}}[/tex]
Step-by-step explanation:
To solve this problem, all you have to do is isolate the x from one side of the equation.
-5x-15+25x-30First, you have to combine like terms.
→ -5x+25x-15-30
Then, you subtract the numbers from left to right.
→ -15-30=-45
Rewrite the problem down.
→ -5x+25x-45
By similar, add to elements.
→ -5x+25x=20x
Rewrite the problem down.
⇒ 20x-45
Therefore, the correct answer is 20x-45.I hope this helps you! Let me know if my answer is wrong or not.
Answer:
20x - 45
Step-by-step explanation:
Start by grouping like terms ( -5x and 25x) , ( -15 and -30):
= -5x + 25x - 15 - 30
Subtract the numbers: -15 -30 = -45
= -5x + 25x - 45
Combine like terms ( 5x and 25x):
= 20x - 45
Given that k // I, identify the congruent angles in the
triangles.
212
v
m
22
v
23
If I had a grade of 81 in a mathematics class and earned a 90 on a TEST grade, what would be the grade then be?
Answer:
It depends how much percent the test is worth on your grade, and how much test grades you have. It would definitely raise to at least an 83 though.
Let's check
Mark before=81Mark after=90Total
81+90171Grade
171/285.5Is the following shape a rectangle? How do you know?
Answer:
B.Yes,the adjacent sides are perpendicular,and the opposite sides are parallel
Answer:
B. Yes, the opposite sides are perpedicular, and the opposite sides are parallel
Step-by-step explanation:
This is because for a rectangle to be a rectangle, it has to have four sides whose opposite sides are equal (so parallel) and adjacent sides meets at 90° (so perpendicular), both of which this shape is shown to be.
Hope this helps. If you have any further questions, let me know!
- profparis
Will mark brainly!!! Please help me with this. Thank you! :)
Can you please explain how you get the answer. I really appreciate it!!!
when you reverse the digits in a certain two-digit number you increase its value by 45. Find the number if the sum of its digits is 13
The answer is 58.
First, we need to find "x", being the number.
13+45=58X=58
----------------------------------------------------------------------------------------------------------
How did we get 58 though?----------Steps---------Add 3+53+5=8Then add 1+41+4=5Therefore, the answer is 58.
X=58
Hope this heIps!
If this helped...
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The volume, V, of a cylinder is equal to this area base, B, times it’s height h. The diameter of a cylinder is 18 feet and its height is 2.8 feet
Answer:
what was the importance of the meetings of the second continental Congress quizlet answers
Fill in the table using this function rule
y=5+4x
please help like u don’t know how many times I’ve posted this :,)
Plug in the values of x and solve for y:-
y=5+4x
y=5+4(4)
y=5+16
y=21
________________________________
y=5+4x
y=5+5(5)
y=5+20
y=25
_________________________________
y=5+4x
y=5+4(8)
y=5+32
y=37
___________________________________
y=5+4x
y=5+4(10)
y=5+40
y=45
__________________________________
note:-Hope everything is clear; if you need any clarification/explanation, kindly let me know, and I will comment and/or edit my answer :)
Answer:
see explanation
Step-by-step explanation:
substitute the values of x from the table into the rule and evaluate for y
x = 4 → y = 5 + 4(4) = 5 + 16 = 21
x = 5 → y = 5 + 4(5) = 5 + 20 = 25
x = 8 → y = 5 + 4(8) = 5 + 32 = 37
x = 10 → y = 5 + 4(10) = 5 + 40 = 45
then
x y
--------
4 21
5 27
8 37
10 45
At noon, there are 700 juniors and 1,100 seniors at a college fair. After 12:00 p.m., 20 juniors arrive every 15 minutes and 45 seniors leave every 15 minutes.
What is the ratio of juniors to seniors at 2:00 p.m. in fraction form?
The ratio of juniors to seniors at 2:00 p.m. in fractional form is 43 / 37
What is ratio?Ratio is a term that is used to compare two or more numbers.
Therefore,
At 12 pm(noon) there are 700 juniors and 1100 seniors at the college fair. After 12:00 pm 20 juniors arrive every 15 minutes and 45 seniors leave every 15 minutes. Therefore,
The Junior population at 2:00 pm is as follows;
12 pm to 2pm is 120 minutesThen, 120 / 15 = 8
20 × 8 = 160 students
The junior student increased by 120 by 2pm.
The Senior population at 2:00 pm is as follows;
45 × 8 = 360 students
360 senior student left by 2 pm.
Therefore,
Junior student by 2pm = 700 + 160 = 860 students
Senior student by 2 pm = 110 - 360 = 740 students
The ratio of juniors to seniors at 2:00 p.m. in fraction form is 860 / 740 = 43 / 37
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In the following expression, 6 and -6 are like terms.
6- 6 + 8a
a) True
b) False
Answer:
no there not
Step-by-step explanation:
6 and 6 are like terms because they have no negative sign but -6 and -6 are like terms because they have a negative sign
There are 31 passengers split between 3 cars in the Metrolink. How many passengers per car?
Answer:
10 passengers in every car
One left he choose the car which he want
explanation:
MAY IT HELP U
Answer:
Since the answer is a decimal we have to state that two cars had 11 passangers while one car had 10 passangers.
Step-by-step explanation:
Step 1: Determine the unit rate
Passangers per car
Passangers / car
(31 passangers) / (3 cars)
10.333 passangers / car
Answer: Since the answer is a decimal we have to state that two cars had 11 passangers while one car had 10 passangers.
Philippe went to the farmer's market and spent $2.35 on apples, $1.85 on bananas, and $3.10 on blueberries. How much did Phillipe spend in total? (3 points) a $7.30 b $7.55 c $8.30 d $8.55
Answer:
a. $7.30
Step-by-step explanation:
2.35 + 1.85 + 3.10 = 7.30
At the buffet luncheon guests could choose one meat, one side and one salad. If there were 3 different meats, 7 sides and 4 salads, how many possible combinations would there be?
Answer:
i believe that its 84
Step-by-step explanation:
Researchers used two footballs of the same size to examine the effect of helium on kicking distance. One football was filled with air, and the other was filled with helium. Eleven people participated in the study. Each person kicked the football filled with air and the football filled with helium, and the kicking distances, in yards, were recorded. The football that was kicked first was determined by the flip of a fair coin, and the people did not know which football was filled with air and which was filled with helium. What type of study was conducted by the researchers and, of the following, which is the appropriate t-interval for inference?.
For the study conducted by the researchers,
The type of study that was conducted is a matched-pairs designThe appropriate t-interval for inference is a t-interval for a mean differenceHow to determine the type of study?From the question, we have the following highlights:
One football was filled with air (the control group)The other was filled with helium (the experimental group)When a study used a control group and an experimental group, then such study is a matched-pairs design.
How to determine the appropriate t-interval for inference?The appropriate t-interval for inference for a matched-pairs design is the t-interval for a mean difference
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divide 100 in the ratio 2:3.
dr. orchid has 9 paintings she wants to hang side by side on her wall. (a) in how many ways can she arrange all 9 paintings? show your work. (b) if she only wants to display 4 of the paintings, in how many ways can she choose the paintings she wishes to display? show your work.
She can arrange the 9 paintings in 362,880 different ways, and she can select 126 different combinations of 4.
In how many ways can she display the 9 paintings?For the first position, she has 9 options.For the second position, she has 8 options (one is already taken).
And so on for the rest of the positions.
The total number of different combinations is equal to the product between the numbers of options:
C = 9*8*7*6*5*4*3*2*1 = 9! = 362,880
b) This will be given by the combinations of 4 out of 9, or:
C(9, 4), where:
[tex]C(9, 4) = \frac{9!}{(9 - 4)!*4!} = \frac{9*8*7*6}{4*3*2*1} = 126[/tex]
She can select 126 different combinations of 4 paintings.
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