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jolli1 [7]
3 years ago
15

HELP I NEED HELP ASAP

Mathematics
2 answers:
AlexFokin [52]3 years ago
8 0
The answer is D your welcome
Julli [10]3 years ago
5 0

Answer:

No spam no help

Step-by-step explanation:

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Writing to Learn x- and y-intercepts
riadik2000 [5.3K]

The x and y intercepts of a line are when y=0 and x=0 respectively.

  • c and d are the x and y intercepts because they represent C/A and B/A in the standard linear equation
  • The x and the y intercepts are related to c and d because they represent the values of the equation when y and x equals 0 respectively.

The given equation is:

\frac xc + \frac yd = 1

<u>(1) Why c and d are the intercepts</u>

We have:

\frac xc + \frac yd = 1

Multiply through by cd

cd \times \frac xc + cd \times \frac yd = cd \times1

dx + cy = cd

A linear equation is represented as:

Ax + By = C

Where:

\frac CA \to x intercept

\frac BA \to y intercept

So, by comparing Ax + By = C to dx + cy = cd

\frac CA \to d \to The x-intercept

\frac CB \to c \to The y-intercept

<u>(b) How the intercepts are related to c and d?</u>

In (a) above, we have:

\frac CA \to d \to The x-intercept

\frac CB \to c \to The y-intercept

When x = 0

We have:

dx + cy = cd

d \times 0 + cy = cd

cy = cd

Divide by c

y = d ---- the y-intercept

When y = 0

We have:

dx + cy = cd

dx + c \times 0 = cd

dx = cd

Divide by d

x =d ---- the x-intercept

Read more about intercepts at:

brainly.com/question/13593488

7 0
3 years ago
-(4x+13)&gt;11-2(3x+12)
Svetradugi [14.3K]
The answer is x > 0. ask if you have more questions :)

3 0
4 years ago
A hot air ballon wasn't flying at and altitude of 2,150 feet. It took the ballon 4 minutes to descend to 1,430 feet. Find the av
Crazy boy [7]
The answer is 180 feet per minute.
4 0
4 years ago
There are 4 fewer white bunnies than gray bunnies there are 9 white bunnies how many gray bunnies are there
kap26 [50]

Answer:

5 gray bunnies

Step-by-step explanation:

I subtracted 4 from 9 and got 5 as my answer

6 0
4 years ago
Read 2 more answers
A starting lineup in basketball consists of two guards, two forwards, and a center. (a) a certain college team has on its roster
julsineya [31]

1 . Consider lineups without x. You have to select

  • 2 guards from 5 quards;
  • 2 forwards from 3 forwards;
  • 1 center from 4 centers.

It can be made in

C_5^2\cdot C_3^2\cdot C_4^1=10\cdot 3\cdot 4=120 different ways.

2. Consider lineups with x as guard. You have to select

  • 2 guards from 6 quards (one of them must be x);
  • 2 forwards from 3 forwards;
  • 1 center from 4 centers.

It can be made in

C_5^1\cdot C_3^2\cdot C_4^1=5\cdot 3\cdot 4=60 different ways.

3. Consider lineups with x as forward. You have to select

  • 2 guards from 5 quards;
  • 2 forwards from 4 forwards (one of them must be x);
  • 1 center from 4 centers.

It can be made in

C_5^2\cdot C_3^1\cdot C_4^1=10\cdot 3\cdot 4=120 different ways.

Therefore, the total number of different lineups is

120+60+120=300.


5 0
3 years ago
Read 2 more answers
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