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Rina8888 [55]
3 years ago
6

F(x) = (x + 5)(x + 6)

Mathematics
1 answer:
Alenkasestr [34]3 years ago
5 0

Answer:(-5,0) , (-6,0)

Y= (0,30)

Step-by-step explanation:

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Two buildings on opposites sides of a highway are 3x^3- x^2 + 7x +100 feet apart. One building is 2x^2 + 7x feet from the highwa
Furkat [3]

Given:

Distance between two buildings = 3x^3- x^2 + 7x +100 feet apart.

Distance between highway and one building = 2x^2 + 7x feet.

Distance between highway and second building = x^3 + 2x^2 - 18 feet.

To find:

The standard form of the polynomial representing the width of the highway between the two building.

Solution:

We know that,

Width of the highway = Distance between two buildings - Distance of both buildings from highway.

Using the above formula, we get the polynomial for width (W) of the highway.

W=3x^3- x^2 + 7x +100-(2x^2 + 7x)-(x^3 + 2x^2 - 18)

W=3x^3- x^2 + 7x +100-2x^2-7x-x^3 -2x^2+18

Combining like terms, we get

W=(3x^3-x^3)+(- x^2 -2x^2-2x^2)+ (7x -7x)+(100 +18)

W=2x^3-5x^2+0+118

W=2x^3-5x^2+118

Therefore, the width point highway is 2x^3-5x^2+118.

3 0
3 years ago
Sarah will ship packages for anyone. She charges $6 for her services and then $2.75 per item. How much would she charge to ship
Anastaziya [24]
The answer would be 70 6•8=48 2.75•8=22 and 48+22=70
8 0
2 years ago
a turtle walks a mile for 50 minutes. is the unit rate when the turtle's speed is expressed in miles per hour.
Gwar [14]
If a turtle move 1 mile every 50 minutes then the miles per hour its moving is %90
7 0
4 years ago
Read 2 more answers
Need help ASAP! Will Give Brainliest!
baherus [9]

Answer:

A) To plot equations in point-slope form, pick one and let x = 0, then solve for y (or -4). That gives you point 1 (0,-4). Then let y = 0 and solve for x (or 2/3). That gives you a second point (2/3,0). Plot the two points and draw the line. Repeat for the second equation (points are (0,-3) and (3/5,0)). Where the lines cross is the solution for both equations.

B) point (1,2) fits both equations.

Step-by-step explanation:

Or solve by brute force...

The solution is where the same X,Y point fits both equations, or Y1 = Y2 and X1 = X2. So the equations in point-slope form (already in point-slope form) equal to each other, solve for X and plug that back into either of the equations to find Y.

6X - 4 = 5X -3

X = 1  so

y = 6X - 4

Y = 6 - 4

Y = 2

6 0
3 years ago
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What are the slope and y-intercept of this function?
Diano4ka-milaya [45]

Answer:it’s “c”

Step-by-step explanation:

First you’re going to get the slope (15+3)/(6-0)=3 —- 15+3 because you have two negatives which makes the sign positive

And you already have a bracket (0,-3)

If x in the bracket is 0 then the y is the y intercept

5 0
3 years ago
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