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Answers
Answer:
Step-by-step explanation:
sth
Related Questions
8. A welder is making a metal sphere. The radius will be 115 cm. What is the surface area of the metal sphere? Use 3.14 for π.
9. Thirty percent of the metal sphere will be covered in a metal that is tinted red. What is the area of the section of the sphere that is tinted red?
please help :))
Answers
Step-by-step explanation:
Given that,
8. The radius of a sphere, r = 115 cm
We need to find the surface area of the metal sphere. The formula for the surface area of a sphere is given by :
[tex]A=4\pi r^2[/tex]
Put all the values,
[tex]A=4\times 3.14 \times (115)^2\\\\=166106\ cm^2[/tex]
9. Thirty percent of the metal sphere will be covered in a metal that is tinted red.
So, the area of the section that is tinted red is :
[tex]A=30\%\ of\ 166106\\\\=\dfrac{30}{100}\times 166106\\\\=49831.8\ cm^2[/tex]
Hence, this is the required solution.
the manager of a bookstore uses the equation s = p - 3.5 to find the price a student pays for books
Answers
The sale price 's' of a book is $3.50 less than the original price 'p'. This situation is represented by the given equation s = p - 3.5.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The given equation is s = p - 3.5, where 's' represents the sale price and 'p' represents the original price of a book.
The equation shows that to get the sale price 's', the original price 'p' is reduced by $3.50.
If the sale price 'p' of a book is $3.50 less than the original price 's', then we can rewrite the equation as p = s + 3.5.
This situation is not represented by the given equation.
If the sale price 's' of a book is $3.50 more than the original price 'p', then the equation would be s = p + 3.5.
This situation is also not represented by the given equation.
Hence, the sale price 's' of a book is $3.50 less than the original price 'p'. This situation is represented by the given equation s = p - 3.5.
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Which ordered pair describes the point (2, 5) after a translation of 2 units down and 3
units right?
A (0, 2)
B (5,3)
C (4,2)
D (4,8)
Answers
please answer 10-14, will give brainliest if correct
Answers
Answer:
10. No solutions -- Because 5 can't = 0
11. Infinite Solutions -- Because on both sides of the (=) there is a 10 and a B that (b) and be any # and it will still be =
12. No Solutions -- Because 8 can't = 2
13. One Solution -- Because something (-4) = 9 only one # will fit for x and that # is 13 because 13-4=9
14. Infinite Solutions -- Because both sides of the (=) there is 6z because (3+3) z = (6)z = 6z. and if you but any # for z they will always be =
Consider these three squares with known area. 3 squares. The smallest square is labeled 25, the next square is 144, and the largest square is 169. Can a right triangle be formed using these squares?
Answers
Answer:
The answer is "5, 12, and 13".
Step-by-step explanation:
Please find the complete question in the attached file.
The right triangle is a triangle with only an angle of 90 degrees, as well as the go in the angle of 90 degrees, which is considered a hypotenuse.
The hypotenuse calculation square is equivalent to both the squared measures of the other two sides:
[tex]C^2=A^2+B^2[/tex]
And even those squares do verify the equation:
[tex]169 = 144 + 25[/tex]
So, it's a rectangular (right) triangle, with sides spanning [tex]5, 12, \ and \ 13.[/tex]
Answer:
B
Step-by-step explanation:
A length, originally 6cm, is inecased so that the ratio of the new
length to the old length is 9:2. What is the new length?
Answers
9/2 =6/X
9•x = 6•2
9x /9. 12/9
x=1.333
HELP ME PLEASE I don’t want to fail also I’m give Brainlist and 10 points
Answers
Answer:
theres no question or answers
Step-by-step explanation:
Answer:
Where is the question? I don't see it did you forget to attach it?
Step-by-step explanation:
In 2009, James paid $2281.60 in social security tax. If the tax rate was 6.2% to the maximum of $90,000 that year, what was Faith's taxable income?
Answers
Answer:
36,800
Step-by-step explanation:
Taxable income x .062=2281.60
taxable income=2281.60/.062
taxable income - 36,800
What is the product of 2/5 and 4/6
Answers
Answer:
[tex] \frac{2}{5} \times \frac{4}{6} \\ = \frac{4 \times 2}{5 \times 6} \\ = \frac{8}{30} \\ = \frac{4}{15} [/tex]
Answer:
4/15 is the correct answer of this question.hope this helps
7.
The area of a square garden is 900m2. Find
its perimeter.
Answers
Answer:
120m
Step-by-step explanation:
Each side of square have same length, assume x for one side of square:
x^2=900
x=30
perimeter:30x4=120m
Answer:
120 square meters
Step-by-step explanation:
Since area is base times height and this is a square, we know all sides are the same length. Take the square root of 900 and you will get 30, meaning each side is thirty meters long. 30 x 4 = 120, that’s your perimeter. Hope this helps! I’m on my phone, so sorry if this explanation is hard to read. Feel free to ask any questions!
The median value is _________.
Answers
Answer:
Its the number that balnces the numbers
Step-by-step explanation:
Answer:
is the middle number in a sorted, ascending or descending, list of numbers and can be more descriptive of that data set than the average. ... If there is an odd amount of numbers, the median value is the number that is in the middle, with the same amount of numbers below and above.
Step-by-step explanation:
Billy and Tommy are playing a dice game with a six-sided die. Billy needs to roll a 5 or higher to win the game. What is the probability that Billy will roll a 5 or higher?
Answers
Answer:
Probability that Billy will roll a 5 or higher [tex]=\frac{1}{3}[/tex]
Step-by-step explanation:
Probability refers to chances of occurrence of any event.
If a six-sided die is thrown, possible outcomes are [tex]1,2,3,4,5,6[/tex].
Billy needs to roll a 5 or higher to win the game.
So,
Favorable outcomes are [tex]5,6[/tex]
Number of favorable outcomes [tex]=2[/tex]
Total number of outcomes [tex]=6[/tex]
Probability that Billy will roll a 5 or higher
= Number of favorable outcomes ÷ Total number of outcomes
[tex]=\frac{2}{6}[/tex]
[tex]=\frac{1}{3}[/tex]
Aqa Q8 Write down all the whole numbers that are between 20 and 50 and have a difference of 4 between their digits.
Answers
Answer:
The first 100 whole numbers are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, ...
Step-by-step explanation:
The whole numbers between 20 and 50 are 20, 24, 28, 32, 36, 40, 44, 45, 48.
What are whole numbers?A whole number is defined merely as any positive number that does not consider a fractional part or any decimal part of the numbers.
For example, the numbers 0, 1, 2, 3, 4, 5, 6, and 7 are all whole numbers. Numbers such as -9, 6.2, or 2 ½ are not whole numbers.
Therefore, the whole numbers that are on the gap between of 4 between 20 and 50 are the 20, 24, 28, 32, 36, 40, 44, 45, 48.
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Please help!!
So confused
And please stop with the link joke
Answers
Answer:
1 and -7/3
Step-by-step explanation:
Answer:
1 & -7/3
Step-by-step explanation:
Hope this helps!
p.s. could I get brainliest (if possible)?
i need help with this
Answers
Answer:
with what???
Step-by-step explanation:
Explain how to use a number line to find the sum 7 + −2.
Answers
Step-by-step explanation:
start at 7 on the number line. move to the left (because the value is negative) 2 jumps. you will land on 5.
Answer: 5
Step-by-step explanation:
Usually you would just do 7+-2 which is also 7-2 which equals 5 but since it's a number line you do this
You would locate 7 on the number line and do the same for -2
Once done, you would take the distance 2 is from 0 and push 7 there(basically moving it to 5) and that would be how you would use a number line to find the sum of 7 + -2
Now if the 2 was positive, this would be different and you would add the distance making it 9 but since it's negative you push it towards 0 which makes it 5
I hope this helps!
What is the domain of f(x) = 9 – x?
Answers
Answer:
(-∞,∞)
Step-by-step explanation:
Given: ∠AOB is a central angle and ∠ACB is a circumscribed angle. Prove: △ACO ≅ △BCO Circle O is shown. Line segments A O and B O are radii. Tangents C B and C B intersect at point C outside of the circle. A line is drawn to connect points C and O. We are given that angle AOB is a central angle of circle O and that angle ACB is a circumscribed angle of circle O. We see that AO ≅ BO because . We also know that AC ≅ BC since . Using the reflexive property, we see that . Therefore, we conclude that △ACO is congruent to △BCO by the .
Answers
Answer:
all radii of the same circle are congruent
tangents to a circle that intersect are congruent
side CO is congruent to side CO
SSS congruency theorem
Step-by-step explanation:
The triangle △ACO ≅ △BCO are congruent to each other by SAS postulate.
Given: ∠AOB is a central angle and ∠ACB is a circumscribed angle.
What is the triangle?A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.
We know that the radius and the tangent are perpendicular to each other.
Then the angle ∠CAO and angle ∠CBO are of 90°.
We know that the tangent of the circle drawn from the point outside the circle will be 2, and these tangent are of equal length.
In triangle △ACO ≅ △BCO, we have
CO = CO (Common side)
∠CAO = ∠CBO = 90°
OA = OB (Radius)
Thus, the triangle △ACO ≅ △BCO are congruent to each other by SAS postulate.
More about the triangle link is given below.
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distance between (20,15) and (10,25)
Answers
Answer:
14.14
Step-by-step explanation:
√(x2 - x1)² + (y2 - y1)²
√(10 - 20)² + (25 - 15)²
√(-10)² + (10)²
√(100) + (100)
√200
= 14.14
If you roll one die, what is the probability of getting an odd number or a 4? Are the events inclusive or mutually exclusive?
Answers
Answer:
4/6
Step-by-step explanation:
The probability of getting an odd number or a 4 is,
⇒ P = 1/2
We have to given that,
Roll one die for the probability of getting an odd number or a 4.
Now, We know that,
Total outcomes are,
⇒ 1, 2, 3, 4, 5, 6
Hence, Odd numbers are,
⇒ 3, 5
So, The probability of getting an odd number is,
⇒ 2 / 6
⇒ 1 / 3
And, The probability of getting 4 is,
⇒ 1 / 6
Thus, the probability of getting an odd number or a 4 is,
⇒ P = 2/6 + 1/6
⇒ P = 3/6
⇒ P = 1/2
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What is a correct expansion of (4x+1)(2x^2-2)
A. 4x*2x^2+4x*(-2)+1*2x^2+1*(-2)
B. 4x*2x^2+4x*(-2)+1*4x+1*(-2)
C. 4x*2x^2+4x*(1)+1*2x^2+1*(-2)
Answers
Answer: B. 4x*2x^2+4x*(-2)+1*4x+1*(-2)
Step-by-step explanation: Hope this help :D
Answer:
A. 4x * 2x^2 + 4x * (-2) + 1 * 2x^2 + 1 * (-2)
Step-by-step explanation:
We have the binomial (4x + 1)(2x^2 - 2) and are asked to see how it looks like expanded.
When solving binomials, we need to follow the FOIL method :
First - First number in first parenthesis multiplied by first number in second parenthesis
Outer - First number in first parenthesis multiplied by second number in second parenthesis
Inner - Second number in first parenthesis multiplied by first number in second parenthesis
Last - Second number in first parenthesis multiplied by second number in second parenthesis
If we follow the definitions given, we can find our correct answer and also see where all the other answers mess up at :
A. 4x*2x^2+4x*(-2)+1*2x^2+1*(-2)
This follows FOIL entirely from start to finish.
B. 4x*2x^2+4x*(-2)+1*4x+1*(-2)
This did not follow the Inner part of FOIL.
C. 4x*2x^2+4x*(1)+1*2x^2+1*(-2)
This did not follow the Outer part of FOIL.
Use the distributive property to write an equivalent expression.
6(m + 6)
Answers
Answer:
6m+36
Step-by-step explanation:
Distributive property: 6(m)+6(6)
6m+36
Answer:
6(m+6)
6 times m= 6m
6 times 6=36
6m+36
Step-by-step explanation:
hopefully that helps
Fifty people put there name
into a two different drawings
(30 males and 20 females).
One drawing is for an iPad and
the other is for a flat screen
TV. What is the probability
that a female will win the iPad
and a male win the flat
screen?
Possible answers⇒
13%
27%
36%
49%
Will GIVE BRAINLIST!!
Answers
Answer:
24%
Step-by-step explanation:
Probability for a female to win the iPad= 30/50
And a male to win the TV= 20/50
[tex]\frac{30}{50}[/tex]×[tex]\frac{20}{50}[/tex]
[tex]=\frac{600}{2500}[/tex]
[tex]=\frac{6}{25}[/tex]
[tex]=\frac{24}{100}[/tex]
[tex]=0.24[/tex]
=24%
So, the probability that a male will win the TV and a female will win the iPad is 24%.
Juana is measuring two pyramids whose base are isosceles right triangles. The second pyramid has the same height, but has 9 times the volume. What is the side length of its base
Answers
9514 1404 393
Answer:
3 times the smaller triangle base
Step-by-step explanation:
The volume is proportional to the height and to the area of the base.
If the height is unchanged, the larger pyramid must have a triangular base with an area that is 9 times the smaller base area.
Since the bases are similar, the area ratio is the square of the side length ratio. The side lengths of the larger base triangle must be √9 = 3 times the side lengths of the smaller base triangle.
What are the solutions of the equation (2x + 3)^2 + 8(2x + 3) + 11 = 0? Use “u” substitution and the quadratic formula to
solve.
A.
B.
C.
D.
Answers
Answer:
A
Step-by-step explanation:
URGENT! PLEASE HELP WITH THIS PROBLEMS.
Show two of the triangles below are similar. Include a similarity statement and show your work to support your statement (blurry numbers are both 8’s).
Answers
Answer:
Hypotenus property a2 +b2 =c2
Help me with this please!!!!!!!
Answers
Answer:
16.3ft
Step-by-step explanation:
What is the mode of the following numbers?
8, 10, 8, 5, 4, 7, 5, 10,8
Answers
Answer:
8
Step-by-step explanation:
5. In 2005, Faith paid $4,650 in Social Security tax. If the tax rate was 6.2% to the maximum of $90,000 that yea
what was Faith's taxable income?
Answers
Answer:
75000
Step-by-step explanation:
Taxable income x .062=4650
taxable income =4650/.062
taxable income = 75000
This is my third time asking for helpppppppppp
Answers
Answer:
The new shape will be like the one that i have drawn for you , i think .
Step-by-step explanation:
add two ( to base* from both sides of it * )
delete one ( from hights )
Hope it was useful ;)