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Romashka [77]
3 years ago
9

suppose that y is varied inversly proportional to x, and that y=0.4 when x=2.5. find k. then find the value of y when x=4

Mathematics
1 answer:
fiasKO [112]3 years ago
4 0

XD oof loopppppppoooooooooool

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Please help me with this question. Please, this is due today. Helppppp meeee
zzz [600]

Answer:

6by6by8

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Explain in words how to use the side lengths of a triangle to determine if the triangle is a right, acute, or obtuse triangle.
RUDIKE [14]

basically write the triangle in degree language like this is a acute angle because this is a 70* degree angle and talk more

8 0
3 years ago
Three high school participated in a study to evaluate the effectiveness of a new computer-based mathematics curriculum. Four 24-
snow_tiger [21]

Answer:

A) experimental

B)  The important factors are : Type of instruction, scores and  High schools,

   The factor levels are :

   Level -1 which comprises of  3 highschool,

   Level -2 which comprises of  highschool and the highschool has  4   sections   and each section has 24 students

   Factor level combinations:

  Level 1 : computer and standard based combination

C) Within the subject : 24 students

   Between subject : High school

D) score of the test

E) student

Step-by-step explanation:

A) The study is experimental because of the random assignment of two different types of instruction to the students which will control/affect the technique of teaching without just observing the performance of the students from the side

B) The important factors are : Type of instruction, scores and  High schools,

   The factor levels are :

   Level -1 which comprises of  3 highschool,

   Level -2 which comprises of  highschool and the highschool has  4   sections   and each section has 24 students

   Factor level combinations:

  Level 1 : computer and standard based combination

C) Within the subject : 24 students

   Between subject : High school

D) The dependent measure  is the score of the test

E) The basic experiment unit of the study is : student

 

8 0
3 years ago
A "b" value of less than 1 produces a graph with exponential decay
Andru [333]
<span>If this statement is a True or False question.

Then, TRUE. A "b" value of less than 1 produces a graph with exponential decay.

We consider this formula: y = a*b^x or f(x) =a*b^x

a is the initial value, b is the rate, x is the exponent. 

If b has a value of less than 1, as the exponent increases the resulting value of y decreases.

f(x) = 20(0.90)^x

f(1) = 200(0.90)</span>¹ = 180
f(2) = 200(0.90)² = 162
f(3) = 200(0.90)³ = 145.80
f(4) = 200(0.90)⁴ = 131.22
f(5) = 200(0.90)⁵ = 118.10

Exponential decay is the decrease in a quantity. As you can see in the given example the value of f(x) decreases as the value of x increases because the value of b is less than 1.
5 0
3 years ago
Does anyone know the answer??
Likurg_2 [28]

Answer:

0.5401

Step-by-step explanation:

When it has a -1 you are supposed to move the decimal to the left

5.401 move it to the left one time adn it gives you 0.5401

4 0
3 years ago
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