x is inversely proportional to y with the scaling factor k.
If x1=6; x2=4 and 3y1 - 6y2=22.
THEN : K=?
Giải chi tiết giùm mình nha. I will like. ^.^
Nhớ nhanh lên.
If x is directly proportional to y with the scaling factor is 8, z is directly proportional to x with the scaling factor is 4.
Then z is directly proportional to y with the scaling factor is .
x=8y ; z =4x =4.8y = 32y
=> Then z is directly proportional to y with the scaling factor is 32
đề bài
Nếu x là tỷ lệ thuận với y theo hệ số tỉ lệ là 8, z tỉ lệ thuận với x với hệ số tỉ lệ là 4.
Sau đó z là tỷ lệ thuận với y theo hệ số tu=ỉ lệ nào.
x is inversely proportional to y with the scaling factor k .
If x1 = 6, x2 = 4 and 3y1 - 6y2 = 22 then k .
y = -11/3x => x =-3/11 y => k = -3/11
Suppose that \(x\)is inversely proportional to y. if \(x=6\)then \(y=\frac{1}{2}\). The scaling factor is......................
Help me!!!
x tỷ lệ nghịch với y nên x.y = k =6.1/2 = 3
hệ số k=3
( Đặng Quỳnh Ngân IQ106)
If is directly proportional to with the scaling factor is 8, is directly proportional to with the scaling factor is 4.
Then is directly proportional to with the scaling factor is
Suppose that y is directly proportional to x with the scaling factor is k.
If x=3 and y=9 then k=
toan bang tieng anh ha ban
Question 1:
Fill the suitable number in the following blank?
.\(343=\)_____\(3\)
Question 2:
The positive value of such that \(\left|2x-3\right|+7=16\) is _______
Question 3:
Given a function \(g\left(x\right)=2\sqrt{x-7}\) . Find the value of \(g\left(11\right)\)?
Answer: The value of \(g\left(11\right)\) is ._________
Question 4:
Find the value of such that \(0,008=\left(0,2\right)^x\).
Answer: . \(x=\)_________
Question 5:
Given a function\(g\left(x\right)=\frac{2}{3-x}\) . Find the value of .\(g\left(1\right)+g\left(2\right)\)
Answer: The value of \(g\left(1\right)+g\left(2\right)\) is ._______
Question 6:
Suppose that \(\frac{7y-x}{2x+y}=\frac{1}{3}\) then the ratio of \(x\) to \(y\) is .________
Question 7:
If \(x\) is directly proportional to \(y\) with the scaling factor is 8, \(z\) is directly proportional to \(x\) with the scaling factor is 4.
Then \(z\) is directly proportional to \(y\) with the scaling factor is______ .
Question 8:
The maximum value of \(A=\frac{6}{2.\left(x-3\right)^2+3}\) is .______
Question 10:
Suppose that\(\frac{7-3x}{5}=\frac{y+4}{3}=\frac{6x-y}{5}\) . Find the ratio of \(y\) to \(x\)
Answer: The ratio of \(y\) to \(x\) is .______________-
(write your answer by decimal in simplest form)
you may also be investigated google it.
1 là 34 5 là 3 10 là ?
2 là 6 6 là 1/4
3 là 4 7 là 32
4 là 3 8 là 2
good luck!
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.
Alzheimer's disease impairs a person's ability to recall memories, both distant and as recent as a few hours before. Although there is not yet a cure for the illness, there may be hope for a cure with a protein called nerve growth factor. The protein is produced by nerve cells in the same region of the brain where Alzheimer's occurs. Based on this relationship, scientists from the University of Lund in Sweden and the University of California at San Diego designed an experiment to test whether doses of nerve growth factor could reverse the effects of memory loss caused by Alzheimer's. Using a group of rats with impaired memory, the scientists gave half of the rats doses of nerve growth factor while giving the other half a blood protein as a placebo, thus creating a control group. At the end of the four-week test, the rats given the nerve growth factor performed equally to rats with normal memory abilities. While the experiments do not show that nerve growth factor can stop the general process of deterioration caused by Alzheimer's, they do show potential as a means to slowing the process significantly.
According to the passage, where is nerve growth factor produced in the body?
A. In nerve cells in the spinal column
B. In red blood cells in the circulatory system
C. In nerve cells in the brain
D. In the pituitary gland
Đáp án D
Thông tin ở đoạn 1: “Until the 1600s, English was, for the most part, spoken only in England…”
Read the following passage on transport, and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.
Alzheimer's disease impairs a person's ability to recall memories, both distant and as recent as a few hours before. Although there is not yet a cure for the illness, there may be hope for a cure with a protein called nerve growth factor. The protein is produced by nerve cells in the same region of the brain where Alzheimer's occurs. Based on this relationship, scientists from the University of Lund in Sweden and the University of California at San Diego designed an experiment to test whether doses of nerve growth factor could reverse the effects of memory loss caused by Alzheimer's. Using a group of rats with impaired memory, the scientists gave half of the rats doses of nerve growth factor while giving the other half a blood protein as a placebo, thus creating a control group. At the end of the four-week test, the rats given the nerve growth factor performed equally to rats with normal memory abilities. While the experiments do not show that nerve growth factor can stop the general process of deterioration caused by Alzheimer's, they do show potential as a means to slowing the process significantly.
The relationship between nerve growth factor and a protein is similar to the relationship between Alzheimer's and ______.
A. forgetfulness
B. a disease
C. a cure
D. a cancer
Đáp án C
Thông tin ở đoạn 2: “Today there are more than 700 million English users in the world, and over half of these are nonnative speakers…”
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
Given .
Calculate: .
Question 2:
Given two triangles and .
If and then .
Question 3:
Suppose that is directly proportional to with the scaling factor is .
If and then k=.
Question 4:
In this figure, find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 5:
Find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 6:
Given two triangles and .
If and then the perimeter of is .
Question 7:
In this figure, .
Question 8:
The value of .
(write your answer by decimal in simplest form)
Question 9:
The perimeter of a triangle is and the sides of its are in a ratio of .
Then the sides's length of the triangle are .
(write your answer from least to greatest and used ";")
Question 10:
Fill the suitable number in the "?".
Answer: .
giúp mik vs nha please