sunil obtained 750 marks out of 800 and preeti obtained 540 marks out of 600. whose performance is better

Answers

Answer 1

Answer:

Step-by-step explanation:

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What are the values of x in the equation 4x2 + 4x – 3 = 0

Answers

Answer:

x = -3/2, 1/2

Step-by-step explanation:

(2x + 3)(2x - 1) = 0

2x + 3 = 0, 2x = -3, x = -3/2

2x - 1 = 0, 2x = 1, x = 1/2

5x+3y=17 solve for y

Answers

5x+3y=17
3y=-5x+17
y=-5/3y + 17/3

Graph if it asks.

Two lines, C and D, are represented by the equations given below:Line C: y = x + 14
Line D: y = 3x + 2

Which of the following shows the solution to the system of equations and explains why? (5 points)

(6, 20), because both lines pass through this point
(6, 20), because the point does not lie on any axis
(3, 11), because one of the lines passes through this point
(3, 11), because the point lies between the two axes

Answers

Given:
line C: y = x + 14
line D: y = 3x + 2

(6,20) or (3,11)

line C: y = 6 + 14 = 20 or y = 3 + 14 = 17
line D: y = 3(6) + 2 = 18 + 2 = 20 or y = 3(3) + 2 = 9 + 2 = 11

(6,20), because both lines pass through this point.

If f(x)=-5x^2-3x+4 what is the value of f(-1)
A:12
B:-2
C:2
D:-12
E:10

Answers

Answer:

Step-by-step explanation:

to evaluate f(- 1) , substitute x = - 1 into f(x)

f(x) = - 5x² - 3x + 4 , then

f(- 1) = - 5(- 1)² - 3(- 1) + 4 = - 5(1) + 3 + 4 = - 5 + 7 = 2

A function is created to represent the balance on a credit card each month. What restrictions would be made to the range

Answers

Answer:

The range would include all real numbers.

Step-by-step explanation:

Consider the provided information.

Range of a function is the set of output values which a function can produce.

Let say we created a function to represent the balance on a credit card each month. Then the range will be the balance amount.

The balance amount can be a negative number as we are talking about credit card, also the balance can be zero or a positive number.

The credit card balance can be in decimals.

Thus, the balance can be any real number.

Hence, the range would include all real numbers.

It could include any numbers any real numbers.

angle 1 and 2 are a linear pair m angle 1 =x-16 and m angle 2 = x +98 find th measurement of each angle

Answers

2 angles are a linear pair if they add up to 180 degrees.
so {angle 1+ angle 2=180°}
{(x-16)+(x+98)=180°}
{2X+82=180}
{2x=180-82}
{2x=98}
{x=98/2}
x=49
Now substitute x into the angles
angle 1= 49-16
angle 1=33°

angle 2= 49+98
angle 2=147°

check your answer
is 33+147=180?
Yes.

Other Questions

What is the percent of increase from 3.7 to 5?Round your answer to the nearest tenth of a percent and include a percent sign (%).

Determine which ordered pair is a solution of y = –5x + 10. a. (–15, 5)b. (2, 0) c. (–1, –5) d. (3, 25)

Answer correct for brainliest and also get a thanks !:-) answer A and B!

Question 24 Multiple Choice Worth 1 points)(8.01 MC)Two lines, A and B, are represented by equations given below:Line A: y = x - 4Line B: y = 3x + 4Which of the following shows the solution to the system of equations and explains why?0 (-3,-5), because the point satisfies one of the equations0 (-3,-5), because the point lies between the two axes(-4,-8), because the point satisfies both equations(-4, -8), because the point does not lie on any axis