Answer:
y=20/7 or y=2.85
Step-by-step explanation:
Answer:
y=3
Step-by-step explanation:
2y-4=-5y+16
2y+5y-4=16
7y-4=16
7y=16+4
7y=20
y=[tex]\frac{20}{7}[/tex]
y=3
A researcher conducts an experiment to determine whether moderate doses of St. John's Wort have any effect of memory for college students. For this study, what is the independent variable
Answer:
Consumption of moderate doses of St. John's Wort
Step-by-step explanation:
A variable that changes without depending on the other variable is called the independent variable and the variable that changes relative to the independent variable is called the dependent variable.
Here the effect of St. John's Wort on memory is being studied.
So, the independent variable would be the consumption of moderate doses of St. John's Wort and the dependent variable would be the effect it has on the person's memory.
Martha read 1/6of her library books on Saturday and 5/12 of her book on Sunday, how much more does Martha have left to read
Answer: She has 5/12 left of her book to read as well
Step-by-step explanation:
Martha read 1/6 books on Saturday and 5/12 books on Sunday, then the books left to read will be 5/12.
What are arithmetic Operations?The four fundamental operations of arithmetic are addition, subtraction, multiplication, and division of two or even more items.
Included in them is the study of integers, especially the order of operations, which is important for all other areas of mathematics, notably algebra, data management, and geometry.
As per the given information in the question,
Books read by Martha on Saturday = 1/6
Books read by Martha on Sunday = 5/12
Then, the number of books left to read is,
1 - (1/6 + 5/12)
Take LCM as 12,
[12 - (2 + 5)]/12
= (12 - 7)/12
= 5 / 12
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please help
There are 2 answers for this (use a comma to separate them)
Emma got 90% of the questions on her history test correct if she answered 27 questions correctly, how many questions did Emma get wrong?
There were (A) questions on the test so she got (B) questions wrong
Step-by-step explanation:
we can make it as a ratio
90/100=27/total Q
total Q= (27*100)/90=30
So wrong questions=30-27=3
hope this helps!
The price of a Thanksgiving turkey sold at Fry's is equal to the original cost in dollars that Fry's paid
for it plus a markup of 6/10 of that original cost (so they can make a profit). If the original cost of the
turkey is x, write an expression to represent the final cost of
the turkey
Answer: The largest per pound at which turkeys sold
Step-by-step explanation:
hope this helps!
Answer:
x + 6/10x =t
Step-by-step explanation:
the t is for the final cost, if this doesnt work, type this into keyboard and you might find a different answer
i need help please!! its math !
Answer:
perimeter = 2(8x+3) + 2(5) area= (8x+3) • 5
Step-by-step explanation:
perimeter = 2(length) + 2(width)
if length equals (8x+3) and width equals 5 then you would just plug those numbers into the equation which gives you...
perimeter = 2(8x+3) + 2(5)
area = length • width
like i previously said above if length equals (8x+3) and width equals 5 than you would just plug those numbers into the equation which gives you...
area = (8x+3) • 5
I need some help on this
Answer:
b, k = -4
Step-by-step explanation:
3/2 = k + 11/2
=> 3/2 - 11/2 = k
=> -8/2 = k
=> k = -4
Answer:
the answer to this problem is -4
Which angle corresponds to angle 6
9100 dollard placed into an account with an annual intrest of 5% to the neareast year how long will it take for the account to value 36900 dollars
Answer:
81 years
Step-by-step explanation:
The answer is 81 because 5% of 9100 is 455 and 36900 divided by 455 is rounded to 81.
10 − 8 ÷ 2 – 2^2 = ?
Answer:
the answer to this is 2
Step-by-step explanation:
can you mark me as brainliest pls
Answer:
That would be 2
A model of a skyscraper uses the scale of 2 inches = 45 feet. If the actual skyscraper is 992 feet tall, how tall is the model?
Answer:
44.08 or 44.1
Step-by-step explanation:
OK so the basics of this question is that for every 45 feet of the actual skyscraper we have 2 inches in the model. The first thing we do is divide 992/45 which equals 22.04. Know if this was 1 inch for every 45 feet we would be done however we need to multiply this number by 2 to get our answer so 22.04*2 =44.08
The value of 2x/3 - 7 = 5 is
Answer:
x = 18
Step-by-step explanation:
2x/ 3 - 7 = 5 (multiply both sides by 3 to get rid of the 3 under the 2x)
2x - 21 = 15 ( add 21 to both sides)
2x = 36 (divide both sides by 2)
x = 18
HOpe this helps ya!!
Find the first 5 terms of the sequence, and state its rule.
12n-12
Need it asap i will mark brainliest
Answer:
Sequence; 12, 24, 36, 48, 60, 72, 84, 89, 108...
12th value: 144
The sum of all numbers go through the 12th : 936
Step-by-step explanation:
Answer:
It’s rule is to find the first 5 terms of the variable “n”
Step-by-step explanation:
a bakery sold 208 chocolate cupcakes in a day,which was 25%of the total number of cupcakes sold that day. How many cupcakes did the bakery sell that day
Answer:
832
Step-by-step explanation:
multiply the 25% by 4
Answer:
Coryxkenshin
Step-by-step explanation:
Catalinas mother recorded her Height each year. The table below shows her height in inches
A pizzeria's gains and losses for 3 months are: $627, -$480, and $854. What is the pizzeria's total profit or loss after 3 months?
A. $1961
B. $147
C. $374
D. $1001
Answer:
1001
Step-by-step explanation:
Answer:
$1001
Step-by-step explanation:
$627 -$480 + $854 = 1001$
What is the ratio
18 vocabulary words learned in 2 hours; 27 vocabulary words learned in 3 hours
is the earth flat because i was watching YouTub.e and someone told me it was
Answer:
The Earth is flat when displayed on a map. The world is also a sphere when displayed on a globe. If you look at a picture of Earth from space it is a sphere. It kinda depends who you ask. My classmate have been debating that since 6th grade and we are in 9th now XD.
Q#2 Pleaseeee answer my guy it’s literally the biggest grade I got and I’m tiredddd
Answer:
Add 3 to both sides.
2x=9+3
simplify 9+3 to 12
2x=12
Divide both sides by 12
x= 12
2
simplify
x=12
What is an equation if the line that passes thriugh the point (-4,-6) and is parallel to the line 3x - y = 6
Answer:
the desired equation is 3x - y = -6
Step-by-step explanation:
Recall that parallel lines have the same slope. Thus, the desired line has an equation of the form 3x - y = C, where C is determined by the coordinates of the point (-4, -6).
3x - y = C becomes 3(-4) - (-6) = C after substitution of -4 and -6 for x and y respectively. Then -12 + 6 = C, and C = -6.
Thus, the desired equation is 3x - y = -6
write an equivalent expression for 40 + 8(n-3)
Mark bought gifts for his friends, and each gift cost $9. Let y represent the total cost and represent the number of gifts. Write an equation to represent the proportional relationship between the total cost and the number of gifts he bought. (4 points) Oy=8x a 1 y = 8 x Oy=9x O 1 y = 9 x
Answer:
y=9x (O 1)
Step-by-step explanation:
9 times the number of gifts he bought which lets say is x will equal your answer (y).
The graph shows the square root of the parent function. which statement is true?
A. 0,0) is the x- and y-intercept of the function
B. 0,1) is the x- and y-intercept of the function
C. This function has no intercepts
D. 1,1) is the x- and y-intercept of the function
Answer: A is correct
Step-by-step explanation:
The graph shows the square root of the parent function and function has no intercepts
What is the parent function?A parent function is the simplest function that still satisfies the definition of a certain type of function. For example, when we think of the linear functions which make up a family of functions, the parent function would be y = x. This is the simplest linear function.
What are intercept?Using the common convention that the horizontal axis represents a variable x and the vertical axis represents a variable y, a y-intercept or vertical intercept is a point where the graph of a function or relation intersects the y-axis of the coordinate system. As such, these points satisfy x = 0.
According to the question
Graph shows the square root of the parent function.
i.e ,
y = [tex]\sqrt{x}[/tex]
As,
This equation will never touch the x-axis or the y-axis, so the function does not have an x- or y- intercept.
Therefore,
This function has no intercepts ,
Hence, The graph shows the square root of the parent function and function has no intercepts .
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Today, there were 3 students absent from the math class. Each students that attended school solved 17 equations in math class. At the end of the class the teacher told the students that together they solved 408 equations today. How many students are this class if no one is absent?
Answer:
27 studentsStep-by-step explanation:
Number of students present in the math class:
408/17 = 24Number of students in this class:
24 + 3 = 27Somebody know this? I need halp T^T
Answer:
y=7 or 7 seven degrees Celsius.
Step-by-step explanation:
Answer:
7 degrees celsius
Step-by-step explanation:
it says -9 m so look along the x(m) axis till you get to -9. Then go 7 spaces up and its 7 degrees.
Hope this helps plz hit the crown :D
what is the equivalent ratios ig 5:4
Step-by-step explanation:
5:4 can be the simplest form of
10:8
John has $5 in his bank account when he gets a job. He begins making $109 a day. A student found that the equation that represents this situation is y = 5x + 109.
Answer:
the student answer is incorrect
Correct answer: y = 109x + 5
Step-by-step explanation:
He STARTS with $5, which means it says aside. Since he REPEATEDLY recieves $109 EVERY day, it is as 109x because you don't know how much days there are. So the correct equation is y = 109x + 5.
Hope this helps!
Have a nice day!
how can you tell whether or not a figure is a scaled copy of another figure?
Answer:
If they are divisible by the numbers in the original shape, then try and see if the others sides of the scaled copy are scaled by the same factor. If they are, then they are a scaled copy.
Step-by-step explanation:
the ratio of teachers to students is 1 to 26 which is a equivalent ratio
Answer:
1/26
Step-by-step explanation:
Mr. Vitorello spends 35% of his salary on rent. He makes $2,500 each month. How much does he spend on rent each month?
Answer: He spends 875 a month on rent.
Step-by-step explanation:
35 x 2500 = 87500
87500 / 100 = 875
Hope this helps :)
Answer:
He spends $10,500
Step-by-step explanation:
Since salary is yearly we multiply 2500 by 12 and we get 30000
And 35% of 30000 is 10500
Which of the following fractions is equivalent to (−13)÷(−6)? Select two that apply.
A −13/6
B −6/13
C −2 1/6
D 2 1/6
E 6/13
F 13/6
Answer:
D and F
Step-by-step explanation:
Please mark brainliest.
Answer: D 2 1/6 F 13/6
Step-by-step explanation: I got this question on my test