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Related Questions
Nine split into four groups is two, with a ___ of one.
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can someone help me understand this, please? For some reason my answer is correct but I need to understand how did I found the correct answer
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Answer with step-by-step explanation:
The way the question is worded, this actually shouldn't be correct. The correct answer should be [tex]3:4[/tex].
Because the trapezoids are similar, we can find the ratio of their perimeters by actually just finding the ratio of their sides.
Why?
By definition, the corresponding sides of a polygon are in a constant proportion. The perimeter is simply the sum of all sides of the polygon. Since we're just adding the sides, the proportion will still be maintained.
Therefore, we'll just need to ratio of their corresponding sides. The only two corresponding sides that are marked are [tex]\overline{RS}[/tex] and [tex]\overline{AB}[/tex].
The ratio of [tex]\overline{RS}:\overline{AB}[/tex] is [tex]18:24\implies \boxed{3:4}[/tex].
The reason why it ideally should be [tex]3:4[/tex] and not [tex]4:3[/tex] is because the question states [tex]RTSU\sim ABCD[/tex], which mentions [tex]RSTU[/tex] first, so our answer should follow this respective order. I believe you were marked right anyways because the specific order is not specified, but generally, you want to give your answer respectively by default.
To solve for the missing length, which operation should you perform?
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Answer:
? = 15 yards
Step-by-step explanation:
h² + b² = ?²
9² + 12² = ?²
81 + 144
225
√225 = 15
Answer:
Pythagorean theorem
Step-by-step explanation:
You should use the Pythagorean theorem
a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse
9^2+ 12^2 = ?^2
81 +144 = ?^2
225 = ?^2
Take the square root of each side
sqrt(225) = sqrt(?^2)
15 =?
Which is the graph of the linear inequality 1/2x - 2y > -6?
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Answer: almost there
Step-by-step explanation: bring the 2 up
solve it : -
[tex] \sqrt{6 \times 24} [/tex]
_______
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Answer:
12
Step-by-step explanation:
sqrt(6*24)
sqrt(144)
sqrt(12*12)
12
Answer:
12
Step-by-step explanation:
6×24=144
Sq. Root of 144=12
what is the solution to the system of equations
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Answer:
O A. [tex](-1,2)[/tex]
Step-by-step explanation:
[tex]y=x+3[/tex]
[tex]2=-1+3[/tex]
[tex]2=2[/tex]
[tex]y=-x+1[/tex]
[tex]2=-1+1[/tex] Since two -x's are being used, x becomes positive!
2 = 1 + 1
2 = 2
Solution: (-1, 2)
HELP ME WITH THIS pLEASE ILL MARK U THE BRAINLIEST
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3% = 0.20 x 3
= 0.60
Answer is A
Find the volume of the cone.
Either enter an exact answer in terms of π or use 3.14 for π
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Answer:
volume of a cone formula = V=πr²h/
3
V=3.14(5)²3/3
V≈78.54
hey there, please help me. thank you
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Answer:
S.S.S
Step-by-step explanation:
When three sides of a triangle are respectively equal to three corresponding sides of another triangle, they are said to be congruent .
hope it is helpful to you
Can anyone help with this?
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A square has the same perimeter as a triangle. The triangle's area is 16 root 3. What is the hypotenuse of the square?
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Answer:
12\sqrt{2}
Step-by-step explanation:
To get the hypotenuse, first we need to get the side length of the square
Area of the square = L²
16\sqrt{3} = L²
L = 4×3
L = 12
Using pythagiras theorem to get the hypotenuse
Hyp² = 12²+12²
Hyp² = 144+144
Hyp² = 288
Hyp = \sqrt {288}
Hyp = 12\sqrt{2}
Hence the hypotenuse of the square is 12\sqrt{2}
Use the question below to answer the conditional probability question.
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Explanation: there are a total of 100 employees so that is the denominator. And we are trying to find the probability of people who are married and/or have a child. We know that 75 are married and 57 have at least one child meaning 57 out of the 75 have a child. So 75 is the numerator bc it accounts for those who are married and have a child. Hope that helps!
What is the cube root of 216xy18?
O 4xy
O 6xy
O 72xBy15
O 213x®y 15
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pls help with both of them
will give brainliest and everything
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So π (1.3)^2(4.83)
Why 1.3 but not 2.6 though? Because 2.6 is the diameter, to find the radius, divide the diameter by 2, so 1.3.
And so the volume of the cylinder is 29.74083in^3 or 29.74in^3 rounded to the nearest hundredth.
The volume for a triangular prism is
(bh/2)h, or (base•height/2)height.
So to find the base, take the length and width and times it.
3 1/2•1=3 1/2
The base is 3 1/2, or 3.5 inches. The height is given as 4 inches.
(3.5•4/2)4=28
The volume of the triangular prism is 28 in^3
BRAINLIEST IF CORRECT
Generating random samples.
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Answer:
1st and 3rd answer
Step-by-step explanation:
1st answer - Having a sample that is not random does not allow you to generalize the results of the experiment/study to the population because it is not representative of the population in the first place.
3rd answer - The definition of a random sample is that each member of the population has an equal chance of being selected.
What additional information is needed to prove the triangles congruent by SSS
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Answer:
Angle a = Angle D
Answer:
A: Angle A Angle D
Step-by-step explanation:
In, z = 4 cm, x=8cm, and m
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Answer:
what do u want us to do pls be more clear!
х
4
16
Find the exact value of x.
=
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Answer:
The value of x is 8
Step-by-step explanation:
Pls help if you only know the correct answer! Thanks! :)
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Answer:
A. -3/5 B. 1/5. C. 0.8.
Step-by-step explanation:
Since A is on the left side of 0, it will be negative, in which -3/5 is the only negative answer on there, so A= -3/5. Since B is on the right side of the 0 it's positive, and it is equal to 1/5 which gets you to 0.20, which will be the value of each line since 1 divided by 5 is equal to 0.20. 0.8 is also known as 0.80 so C will be next to the 1.
please help!!!!!!!!!!!
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Answer:
Q(1,5)
R(3,-1)
S(0,0)
T(-2,3)
Please give brainiest?
work out the average speed of 40 km in 2.5 hours
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Answer:
19.20
Step-by-step explanation: used
a calc
A is the point with coordinates (x, 2y).
B is the point with coordinates (3x, 4y).
The midpoint of AB has coordinates (-4, 15).
Work out the values of x and y.
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Answer:
x= -2 , y=5
Step-by-step explanation:
(x+3x)/2 = -4
4x/2 = -4
4x= -8
x = -2
(2y+4y)/2=15
6y/2=15
6y=30
y=5
Mike works h hours in a week. To find his weekly pay he multiplies his hours by his pay of $30 per hour and adds $5 for his sales bonus. He's decided that he wanted to take one-fifth of his weekly pay and place it in his savings. Which simplified expression represents the amount that will go into his savings each week?
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Answer:
6h + 1
Step-by-step explanation:
number of hours: h
pay per hour: 30
pay for the hours: 30h
add sales bonus: 30h + 5
1/5 of total above: (1/5)(30h + 5) = 6h + 1
Answer: 6h + 1
602.88 rounded to 2 decimal place is ?
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Answer:
it will be 603.00
it will. e counted from the right to the left
plz help I really don’t understand this
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Answer:
[tex]OP=3.6[/tex]
Step-by-step explanation:
Since OP is parallel to LM, the two triangles are similar, because they share all three angles. By definition, the corresponding sides of a similar polygon must be in a constant proportion.
Thus, we have:
[tex]\frac{6}{6+4}=\frac{OP}{6},\\10\cdot OP=36,\\OP=\frac{36}{10}=\boxed{3.6}[/tex]
a bucket contains 3 1/2 gallon of water. If Marie adds 5 gallons more, how many gallons of water will there be in all?
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Answer:
8 1/2
because 3 + 5= 8+ 1/2= 8 1/2
how much square units of 50 units
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Answer:
7.07106781187
Step-by-step explanation:
if its just asking [tex]\sqrt50[/tex]
:D
If someone were to have 300 feet of fencing, what is the maximum area they can enclose?
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Answer:
I think it would be 5,625ft^2?
Step-by-step explanation:
300÷4=75
75×75=5,625
URGENT PLZ HELP: Graph y = tanx for -pi/4 ≤ x ≤ x/4.
What is the range?
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Solve for x.
5(x – 10) = 30 – 15x
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Answer:
x=4Step-by-step explanation:
[tex]\sf 5(x - 10) = 30 - 15x[/tex]
[tex]\sf 5x-50=30-15x[/tex]
[tex]\sf 5x-50+50=30-15x+50[/tex]
[tex]\sf 5x=-15x+80[/tex]
[tex]\sf 5x+15x=-15x+80+15x[/tex]
[tex]\sf 20x=80[/tex]
[tex]\sf \frac{20x}{20}=\frac{80}{20}[/tex]
[tex]\sf x=4[/tex]