Answers
Answer:
the answer is 12 just =12
Related Questions
Find the vaule of the expression below for r = 4 and t = 2.
t^3 - r + 20 divded by r
A). 9
B). 72
C). 6
D). 40
Answers
Answer: A: 9
please mark me brainlyest i hope i helped you
For the function g(x) = x6, if the domain of x is R, what is the range of g (x)?
Answers
the range of the function g(x) = x^6 is: R: [0, ∞)
What is the range of the function?
Here we have the function:
g(x) = x^6
First, notice that we have an even exponent. This means that the outcome of the function will always be a positive number, then the minimum of the range is:
g(0) = 0^6 = 6
And we don't have a maximum, the function tends to positive infinity in both ends (as x → -∞ and as x → ∞).
So the range is: R: [0, ∞)
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a salad dressing recipe calls for 3/4 cup of olive oil for every 1/2 cup of vinegar how many cups of vinegar are needed for 2 cups of olive oil
Answers
The cups of vinegar needed will be 1 1/3 cups.
How to calculate the value?From the information, the salad dressing recipe calls for 3/4 cup of olive oil for every 1/2 cup of vinegar.
Let the.cuos needed for the.olive.oio be represented by x.
Therefore, this will be:
1/2 / 3/4 = x/2
Cross multiply
0.75 × x = 2 × 1/2
0.75x = 1
x = 1/0.75
x = 1 1/3
Therefore the cups of vinegar needed will be 1 1/3 cups.
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15 Points help ASAP!!!
v Simplify This equation v
6 ⋅ 7 - 3^2 ⋅ 9+4^3
Answers
Answer42 - 2197
Step-by-step explanation:
The U.S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide levels
since 1959. At that time, there were 313 parts per million of carbon dioxide in the atmosphere. In 2005,
the figure was 374 parts per million. Find the increase in carbon dioxide levels and the percent of increase.
Round to the nearest tenth of a percent.
Increase carbon dioxide levels:
Percent increase:
196
Submit Question
parts per million
Question Help: Video Message instructor
Answers
Answer: The U.S. Weather Bureau has a station on Mauna Loa in Hawaii that has measured carbon dioxide levels since 1959. At that time, there were 313 parts per million of carbon dioxide in the atmosphere. In 2005, the figure was 383 parts per million.
Step-by-step explanation:
The 14 digits of a credit card are written in the boxes shown. If the sum of any three consecutive digits is 16, what is the
value of A?
A =
Please show work.
Answers
Answer:
3.
Step-by-step explanation:
1) in the given sequence position no. 13 can be calculated easy:
16-(6+7)=3 (see the attachment), then
2) it is possible to calculate the position no. 11 (=7), then no.10(=3), then no.9 (=6), then it is visible repeating of subsequence '637', it means
3) the number of the given credit card is
37637637637637;
4) finally, the value of A is 3.
Given that quadrilateral PQRS~ quadrilateral TUVW, write a proportion to find the length of PS. U P X S 35 R 20 25 W T 15
Answers
Answer:
x = 21
Step-by-step explanation:
As the quadrilaterals are similar, their corresponding sides will be in the same proportion.
PS ~ TW and SR ~ WV
[tex]\sf \dfrac{PS}{SR} = \dfrac{TW}{WV}\\\\\dfrac{x}{35}=\dfrac{15}{25}\\\\ x = \dfrac{15}{25}*35\\\\ x = 3*7\\\\x = 21[/tex]
Roaring Brook School has three hundred fifty-six third-grade students. To the nearest hundred, how many students are in the third grade at Roaring Brook School?
Answers
The number of students in the third grade at Roaring Brook School is 400
How to determine the number of students in the third grade at Roaring Brook School?The number of students in the third grade at Roaring Brook School is given as
Students = three hundred fifty-six third
Express as digits
Students = 356
When the above number is approximated to the nearest hundred, we have
Students = 400
Hence, the number of students in the third grade at Roaring Brook School is 400
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2 Determine whether the equation is a direct variation. If it is, state the constant of variation: 4y = 9x?
OYes, k= 9/4
O Yes, k = 4/9
O Yes, k = 9
O Not direct variation
Answers
Yes the the equation is following direct variation. Correct option is A, Yes, k = 4/9
What is Direct Variation?The change in one quantity as a result of the change in another is known as direct variation. This implies that if one quantity increases or decreases, the other must do the same.
Direct variation describes how one quantity directly affects the other when it varies. The precise reverse of this is called inverse variation. You will discover what direct and inverse variants are in this article, along with various cases that have been solved.
4y = 9x
standard equation for direct variation is y = kx
y = 9/4 x
On comparing the equation with standard equation,
k = 9/4
Hence, the equation is following direct variation
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11. Is the expression [(2.7)4]6 equivalent to the
[(2.7)8] 3? Explain. Use a Law of
to justify your answer.
expression
Exponents
Answers
The expression [ (2.7) [tex]4]^{6}[/tex] is not equivalent to [ (2.7) 8 ] ³.
What are exponents?
An exponent refers to the number of times a number is multiplied by itself.
Example:
a², a³
2 and 3 are exponents.
We have,
[ (2.7) [tex]4]^{6}[/tex]
Here 6 is the exponent.
We can write 6 as 2 x 3
Now,
= [ (2.7) [tex]4]^{2\times3}[/tex]
We can take 2 inside [ (2.7) 4 ]
= [ (2.7)² 4² ] ³
= [ (2.7)² 16 ] ³
We can see that it is not equivalent to [ (2.7) 8 ] ³.
Thus the expression [ (2.7) [tex]4]^{6}[/tex] is not equivalent to [ (2.7) 8 ] ³.
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After a 60% reduction, you purchase a new sofa on sale for $280. What was the original price of the sofa?
Answers
The original price of the Sofa is $620
How to calculate the original price ?The original price is reduced by 60%
After this reduction the price reduced to $280
Therefore the original price can be calculated as follows
The first step is to subtract 60% from 100%
= 100-60
= 40%
The original price can be calculated as follows
280 × 100/40
= 28,000/40
= 700
Hence the original price of the sofa is $700
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Jordan’s Girl Scout troop has 20 members. Everyone has monthly dues of $15.50. On the first meeting, 12 members paid their dues. The rest paid their dues at the second meeting. How much money was collected at the second meeting?
Answers
Two integers c and d have a product of -6 what is the greatest possible sum?
Answers
The greatest possible sum for the two integers ( c and d) is 1.
Number Classification Whole Numbers - They are the numbers represented by positive real numbers where the fractions and decimal numbers are not included. Integer Numbers - They are the whole numbers. They are represented by zero, positive and negative numbers.Opposite numbers - They are numbers that the distance to 0 is equal. The numbers are classified as the opposite when the sum between them is equal to zero (0).The question gives:
c and d ar integers;c*d = -6The possible values for c and d for a product equals -6 are:
option 1 c= -2 and d= 3option 2 c= -3 and d= 2option 3 c= 2 and d= -3option 4 c= 3 and d= -2Now you should sum the possible values of c and d for each option.
option 1 c= -2 and d= 3 -> -2+3 = 1option 2 c= -3 and d= 2-> -3+2 = - 1option 3 c= 2 and d= -3-> 2-3 = -1option 4 c= 3 and d= -2-> 3-2 = 1Read more about number classifications here:
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In a game, a player randomly pulls a card from a stack that contains 2 red, 2 yellow, and 4 black cards. Only yellow cards will be added to the stack. How many yellow cards should be added to the stack to make the chance of pulling a yellow card 50%? Enter the answer in the box.
Answers
Answer:
1
Step-by-step explanation:
R=red Y=yellow B=black
2(R)+4(B)
=6
2(Y)/6(R+B)
2/6 to get 50=50 or 3/6=1/2
you need 1 more yellow
−t+(5−t) 3; when t=3
Answers
Answer: 3
Step-by-step explanation:
t=3
−t+(5−t) 3=
−t+(5−t)*3=
−t+3(5−t)=
−3+3(5−3)=
-3+15-9=
12-9=3
Hence, the answer is 3.
Answer:
Given t = 3,
[tex]\sf -t + (5 - t) * 3\\-3 + (5 - 3) * 3\\5 - 3\\= 2\\= -3 + 2\\= 1\\= 1 * 3\\= 3[/tex]
Therefore, your answer is 3.
Two pages that face each other in a book have 349 as the sum of their page numbers. What is the number of the page that comes first?
Answers
Answer: 174
Step-by-step explanation:
For this problem, let's divide the number by two since we know it's a combination of two numbers in a series as they are two consecutive book pages.
349 / 2 = 174.5
Note, that the number we have is a decimal, and page numbers cannot be partial numbers, they must be integers. With this, we can take the lower and the upper of our decimal numbers to retrieve the two-page numbers.
174.5 (Upper) ==> 175
174.5 (Lower) ==> 174
With this, we can verify these numbers have a sum of 349.
175 + 174 =? 349
349 == 349
So indeed, these numbers are a sum of 349. Now that we know these are our page numbers, we know 174 will come before 175 since page numbers are sequential.
Cheers.
1. BOWLING Brooke went bowling with her friends. She bowled 3 games, and
her average score for those games was 121. She had 117 her first game and
108 her second game. Write and solve an equation to find g, the score of
her third game.
pls show your work
Answers
Answer: x = 138
Step-by-step explanation:
[tex]108+117+x=3 * 121\\3 * 121 = 363\\Rearrange unknown terms to the left side of the equation\\x=(363-108)-117\\\\255-117=138\\x=138[/tex]
I NEED HELP WITH QUESTION PLEASE!!
What is the inverse of f(x)
(x) = (x-4)² for x ≥ 4?
Answers
Answer:
4th choice [tex]\bold{f^{-1}(x) = \sqrt{x} + 4}[/tex]
Step-by-step explanation:
Definition of the inverse of a function
A function g is the inverse of a function f if whenever y=f(x) then x=g(y). In other words, applying f and then g is the same thing as doing nothing. We can write this in terms of the composition of f and g as g(f(x))=x. The domain of f becomes the range of g and the range of f becomes the domain of g
To solve for the inverse of the function [tex]f(x) =\left(x-4\right)^2[/tex]
Let [tex]y=\left(x-4\right)^2[/tex]
[tex]\mathrm{Replace}\:x\:\mathrm{with}\:y[/tex] [tex]\text{ and replace }\:y\:\mathrm{with}\:x[/tex]
[tex]x=\left(y-4\right)^2[/tex]
Switch sides
[tex]\left(y-4\right)^2=x[/tex]
Take square roots on both sides
[tex]y-4=\pm\sqrt{x}[/tex]
Add 4 on both sides to solve for y
[tex]y = \pm\sqrt{x} + 4[/tex]
We have two solutions
[tex]y=\sqrt{x}+4,\:y=-\sqrt{x}+4[/tex]
To determine which one of these to be chosen not that in the given choices we can eliminate the first two since x cannot be negative
The third choice can also be eliminated since
[tex]-\sqrt{x} + 4[/tex] is a decreasing function for [tex]x \ge 0[/tex]
So the last answer choice is correct and the inverse of[tex]f(x) = (x-4)^2[/tex]
is given by [tex]f^{-1}(x) = \sqrt{x} + 4[/tex]
Answer:4th choice [tex]\bold{f^{-1}(x) = \sqrt{x} + 4}[/tex]
Note
Domain of (x-4)² is [4, ∞) since x ≥ 4 and (x-4)² cannot be negative
Range of (x-4)² is [0, ∞)
Domain of [tex]\sqrt{x}\:+\:4[/tex] is [0, ∞)
Range of [tex]\sqrt{x}\:+\:4[/tex] is [4, ∞)
so indeed the domain of (x-4)² has become the range of [tex]\sqrt{x}\:+\:4[/tex] and the range of (x-4)² has become the domain of [tex]\sqrt{x}\:+\:4[/tex]
simplify the expression (x-2) (3x4)
Answers
explanation: Re-order terms so constants are on the left
(
x
−
2
)
⋅
3
x
4
(
−
2
)
⋅
3
4
3
(
x
−
2
)
x
4
3
(
−
2
)
4
Who is the worst shooter Jason mike Jim or dave
Answers
Mike is the best shooter than Jason mike Jim or dave .
Mike and Jim are faster and more accurate shooters than Jason and Dave. Mike is the quickest because Jim is the second fastest. Because no one individual is the greatest (for example, tallest, fastest, or best shooter) in more than one category, Dave is the tallest.
Mike and Jim are faster and more accurate shooters than Jason and Dave. Mike is the quickest because Jim is the second fastest. Because no one individual is the greatest (for example, tallest, fastest, or best shooter) in more than one category, Dave is the tallest.
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pls help edguity
Using a Ratio Table
A 3-column table with 2 rows. Column 1 is labeled Scale factor with entries 1, 1.25. Column 2 is labeled Width with entries 8 inches, A. Column 3 is labeled Length with entries 28 inches, B.
The value of A is
.
The value of B is
.
Answers
Using proportions, it is found that:
The value of A is of 10.The value of B is of 35.What is a proportion?A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct(when both increase or both decrease) or inverse proportional(when one increases and the other decreases, or vice versa), can be built to find the desired measures in the problem, or equations to find these measures.
In the first row of the table, we are given the scale factors of 1 and 1.25. From the second row, we have that the width for a scale of 1 is of 8 inches, and for a scale of 1.25 is of A, hence:
A = 1.25 x 8 = 10.
For the third row, we have that the scale of 1 is of 28 inches, while the scale of 1.25 is of B, hence:
B = 1.25 x 28 = 35.
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Question 4 of 10
One spring, a group of students measured rainfall totals at their school. This
chart shows how many inches of rain the students measured each month.
How much total rainfall did they receive at their school that spring?
MONTH
March
April
May
Subtracting Decimals in Word Problems
RAINFALL
1.1
4.1
6.1
Answers
Answer:
11.3
Step-by-step explanation:
1.1 + 4.1 = 5.2
5.2 + 6.1 = 11.3
Dominic is making meatballs. He uses 3/4 cup of breadcrumbs for every 1 1/4 pounds of ground beef. How many cups of breadcrumbs does he need when he uses 1 3/4 pounds of ground beef?
Answers
In proportion , [tex]1\frac{3}{4}[/tex] pound of ground beef requires [tex]1\frac{1}{20}[/tex] cup of breadcrumbs.
What in mathematics is a proportion?
A proportion is an equation that sets two ratios at the same value. For instance, you could express the ratio as follows: 1: 3 if there is 1 boy and 3 girls (for every one boy there are 3 girls) There are 1 in 4 boys and 3 in 4 girls. 0.25 are male (by dividing 1 by 4)It is given that Dominic uses 3/4 cups of breadcrumbs for every [tex]1\frac{1}{4}[/tex] pounds of ground beef. Therefore for 1 pound of ground beef he will required .
[tex]1\frac{1}{4}[/tex] → 3/4
5/4 → 3/4
1 → 12/20
1 → 3/5 cups of breadcrumbs
Therefore, Dominic need 3/5 cups of breadcrumbs when he uses 1 pound of ground beef.
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The table shows the height of water in a pool as it is being filled. A table showing Height of Water in a Pool with two columns and six rows. The first column, Time in minutes, has the entries, 2, 4, 6, 8, 10.
. The height of the water decreases 2 inches per minute. The height of the water was 2 inches before any water was added. The height of the water will be 2 inches when the pool is filled.
Answers
Answer: The height of the water was 2 inches before any water was added.
Rewrite 2,290,000 in scientific notation.
2.29 x 10−6
2.29 x 10−4
2.29 x 104
2.29 x 106
Answers
The answer choice which represents the rewritten form of; 2,290,000 in scientific notation is; 2.29 × 10⁶.
What is 2,290,000 in scientific notation?The scientific notation of a number is the form of the number such that only one digit appears before the decimal and the rest of the place value is represented by exponents of 10.
Hence, since the highest place value in the number is million; it follows that the science notation representation is; 2.29 × 10⁶.
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(9x² - 2x + 7) + (4x²+7x+2)
A. 13x²+9x-9
B. 13x²+5x+9
C. 5x²+5x÷5
D. 13x²+9x+9
Answers
By further simplifying the quadratic equation the answer is 13x²+5x+9.
What are quadratic equation?=(9x² - 2x + 7) + (4x²+7x+2)
= 9x²+4x²+7x-2x+7+2
= 13x²+5x+9
Any equation in algebra that can be written in standard form as where x is an unknown and a, b, and c denote known numbers, where a 0 is a quadratic equation.
x ax2 + bx + c = 0 is a quadratic equation, which is a second-order polynomial equation in a single variable. a 0. It has at least one solution because it is a second-order polynomial equation, which is guaranteed by the algebraic fundamental theorem.
When a problem is factorable, factoring is often the quickest and simplest solution. Factoring won't help us because many times the quadratic we're working with can't be factored. Therefore, it is quick and simple when it is useable but not always factorable.
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The diagonal of a Square is seven root feet what is the perimeter of the square?
Answers
Answer:
49
Step-by-step explanation:
Answer:
the diagonal of a square is seven root feet
√2a=√7 a=√7/2 perimeter =
Step-b
y-step explanation:
which variable is the dependent variable gas or miles
Answers
Answer:
Gallons of gas
Step-by-step explanation:
Forty more than a number is?
Answers
Answer:
x+40
Step-by-step explanation:
I'm assuming you need to write a mathematical equation from a sentence. You need to take each word and make it into a mathematical symbol. The forty stays as 40, the more becomes a +, and the number is x because it is unknown
Question 4 of 18
What is the third quartile of the set of data shown below?
26, 34, 38, 49, 65, 75, 81
A. 49
B. 81
C. 75
D. 65
Answers
The third quartile of the date is Q₃=75
What is Quartile in Maths.?The numbers known as quartiles are used to divide the provided data set into four equal portions, or three points. Thus, the values that split the provided data into three quarters are known as quartiles. The center point of distribution is shown by the middle portion of the quartiles. The interquartile range is determined by the difference between the higher and lower quartiles so established.
Data 26, 34, 38, 49, 65, 75, 81
First arrange the data from smallest to greatest
26, 34, 38, 49, 65, 75, 81
Then find the median of the data,
Since, the data is in odd numbers median is mid term i.e. 49.
To find the third quartile we take the upper half of data
Upper half of data set, 65, 75, 81
Third quartile is the median of the upper half of the data.
Median of upper half is
Q3 = (n+1)th
Q3 =(3+1)th
Q3 = 2th term
Q3 = 75term
Therefore, The third quartile is Q3 = 75term
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