MATHEMATICS HIGH SCHOOL

Evaluate f(3) if (x) = -4x+5

Answers

Answer 1
Answer:

Answer:

-7

Step-by-step explanation:

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Solve the following equation: 6y – 20 = 2y – 4.A. y = 3
B. y = 16
C. y = 4
D. y = 2

Answers

6y - 20 = 2y - 4

Add 20 on both sides

6y - 20 + 20 = 2y - 4 + 20
6y = 2y - 4 + 20
6y = 2y + 16

Subtract 2y on both sides.

6y - 2y = 2y - 2y + 16
6y - 2y = 16
4y = 16

Divide 4 on both sides.

4y/4 = 16/4
y = 16/4

y = 4.

Your final answer is C. y = 4.
6y-20 =2y-4
  
ans: y=4

hope it would help

6th grade math help me plzz

Answers

Answer:

A-B really simple.

Step-by-step explanation:

A doctor estimates that a particular patient is losing bone density at a rate of 3% annually. The patient currently has a bone density of 1,500 kg/mg3. The doctor writers an exponential function to represent the situation. Which values should the doctor use of a and b in a function written in the form f(x)= abx, where f(x) represents the bone density after x years?

Answers

If a patient is losing bone density at the rate of 3 % annually then it will rest:
100% - 3% = 97 %, or 0.97 of a bone density.
The doctor should use a function:f(x)= 1,500 * 0.97^(x)
a = 1,500,  b = 0.97

The decimal of 10 3/4

Answers

10(3)/(4)=10(3\cdot25)/(4\cdot25)=10(75)/(100)=10.75
10.75, hope this helps ! :)

Match the result of solving an equation to the number of solutions the equation has3 = 3
no solution
6 = 3
infinitely many solutions
one solution
x=3

Answers

Answer:

x=3 is one solution

3=3 has infinitely solutions

6=3 has one solutions.

Step-by-step explanation:

I got it correctt on Edg.

Answer: x = 3 one solution

3=3 infinitely many solutions

6=3 no solution

Solve each equation for the given variable -2x+5y=12 for y
'

Answers

so basically get 1 of y on one side so
-2x+5y=12
add 2x to both sides
5y=12+2x
divide both sides by 5
y=(12+2x)/5
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