B(x) = 7x + 3 and h(x) = 9x - 1.
Find (b+h)(x)

Answers

Answer 1

Answer:

(b+h)(x)=16x+2

Since we all know the theory that shows that a(x)+b(x)=(a+b)(x), we can use that in this problem. Simply simplify the problem and divide it into 2... b(x) plus h(x). This is simple as we already know the values of these variables so just add both and the sum will be the answer to your problem.

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A group conducted a poll of 2022likely voters just prior to an election. The results of the survey indicated that candidate A would receive 49% of the popular vote and candidate B would receive 46% of the popular vote. The margin of error was reported to be 5%. The group reported that the race was too close to call. Use the concept of a confidence interval to explain what this means.

The lenght of a rectangular classroom floor is 19 feel less than twice the width which expression repersents the area of the classroom floor

Answers

w*(2w-19)=A. Just make the width a variable and write out the relationship it has with the length

Two of the dozen eggs in a carton or cracked about what percent of the carton is not cracked

Answers

(10/12)(100) = (5/6)(100) = 83.3% not cracked

The solid surface area is equal to the solid volume. Find the value of x? The measurements of the rectangular prism is 9 inches long and 4 inches wide. Height is not listed. socratic.org

Answers

Answer:

$x=7.2$

Step-by-step explanation:

Let x represent height of the prism.

We know that volume of rectangular is equal to product of its height, width and length.

$\text{Surface area of rectangular prism}=2(wl+lh+hw)$ , where w, h and l represents width, length and height respectively.

We have been given that the surface area of rectangular prism is equal to the volume of the prism. So we can set an equation as:

$lwh=2(wl+lh+hw)$

We are also told that the measurements of the rectangular prism is 9 inches long and 4 inches wide. Upon substituting these values in above equation, we will get:

$9\cdot 4\cdot x=2(4\cdot 9+9\cdot x+x\cdot 4)$

Let us solve for x.

$36x=2(36+9x+4x)$

$36x=2(36+13x)$

$36x=72+26x$

$36x-26x=72+26x-26x$

$10x=72$

$x=(72)/(10)\n\nx=7.2$

Therefore, the value of x is 7.2 inches.

You spent $7 more than you had. Write an integer to represent this? Would it be -7?

Answers

Answer:

The required integer would be $-7$ .

Step-by-step explanation:

We have been given that you spent $7 more than you had. Write an integer to represent the given situation.

Since you spent $7 more than your savings, so your account will be debited with $-$7$ .

Therefore, the integer $-7$ represents the given situation.

that would be correct

The equation of a circle is (x - 3)2 + (y + 2)2 = 25. The point (8, -2) is on the circle.What is the equation of the line that is tangent to the circle at (8, -2)?

y = 8
x = 8
x = 3
y = 3

Answers

Answer:

2nd Option is correct.

Step-by-step explanation:

Given Equation of Circle,

( x - 3 )² + ( y + 2 )² = 25

Point on circle = ( 8 , -2 )

To find: The equation of the line that is tangent to the circle at given point.

By comparing equation of circle with standard equation of circle,

( x - h )² + ( y - k )² = r²

we get,

Coordinates of center = ( 3 , -2 )

Slope of the radius line from center to point ( 8 , -2 ) = $(-2-(-2))/(8-3)=0$

Since, y-coordinate of radius line is same.

⇒ This line is parallel to x-axis.

We also knows that Radius and tangent are perpendicular to each other at point of contact.

⇒ Tangent is Parallel to y-axis and passes through ( 8 , -2 )

⇒ Equation of Tangent is x = 8

Therefore, 2nd Option is correct.

Hello,

Answer A

y=8
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Which statement is true about the equation 3.5z = 2.25z − 4.25 + 6.25?It has no solution.
It has one solution.
It has two solutions.
It has infinitely many solutions.