I need help to graphs these problem please

Answers

Answer 1

Answer: If you're talking about #5, where you have to graph the equation . . .

All you have to do is find two points on the graph, and draw a line between them.

How do you find points ? That's where you are in control !
Just pick any number you like for 'x', and then use the equation
to calculate the 'y' that goes with it.

Examples:

Pick 'zero' for 'x'.
Y = (1/2)x + 3
Y = 3

Pick 10 for 'x'.
y = (1/2)x + 3
y = 5 + 3
y = 8

Just create two points that way, using the equation. Then mark
the two points on the graph, and draw a line through the two points.

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Mr. Atinga shared his cattle among his three children Lordia,Anita,and Richmond. He gave 3/5 of cattles to Anita and shared the remaining between Lordia and Richmond in the ratio 2:3 respectively. In all 80 cattle were shared between Lordia and Richmond. How many cattle were shared among the three children How many cattle did Anita receive than Richmond

Answers

Answer:

a). The total number of cattle shared among the three children=200

b). Anita's share=120 cattle

Lordia's share=32 cattle

Richmond's share=48 cattle

Step-by-step explanation:

Step 1

Determine fraction shared between Lordia and Richmond as follows;

Lordia:Richmond=2:3

Let the total cattle be x

Lordia's fraction=2/(2+3)=2/5 of x=(2/5)x

Lordia's fraction=(2/5)x

Richmond's fraction=3/(2+3)=3/5 of x=(3/5) x

but;

x=80 cattle

replacing;

Total number of cattle Lordia got=(2/5)×80=32 cattle

Total number of cattle Richmond got=(3/5)×80=48 cattle

Step 2

Express the total cattle Mr. Atinga had initially as follows;

Let the initial number of cattle be y

The fraction remainder given to Lordia and Richmond=Initial number-fraction of the totat given to Anita

where;

Initial number=y

fraction of the total given to Anita=3/5 y

replacing;

The fraction remainder given to Lordia and Richmond=y-3/5 y=2/5 y

but;

2/5 y=80

y=80×5/2=

y=200

The total number of cattle shared among the three children=200

b).

Anita's share=(3/5)×200=120 cattle

Lordia's share=(2/5)×80=32 cattle

Richmond's share=(3/5)×80=48 cattle

Solve for x in simplest form. 4=1/3(7x-3)

Answers

Answer:

x=15 over 7

Hope this helps

Step-by-step explanation:

Williams salary is £24000 his salary increases by 4% work out Williams new salary

Answers

100% = 24000
50 % = 12000
10% = 2400
5 % = 1200
1 % = 240

Give the domain of the following functions. Give your answer in interval notation. a) f(x)= 5x-2/x^2-5x+6 and b) square root of 5-2x

Answers

$a) \ \ \ f(x)= \frac{\big{5x-2}}{\big{x^2-5x+6}} \ \ \ \ \ \ \ \ \ D:\ \big{x^2-5x+6} \neq 0\n\nx^2-2x-3x+6 \neq 0\ \ \ \Leftrightarrow\ \ \ x(x-2)-3(x-2) \neq 0\n\n\Leftrightarrow\ \ \ (x-2)(x-3) \neq 0\ \ \ \Leftrightarrow\ \ \ x \neq 2\ \ \ and\ \ \ x \neq 3\n\nD=R-\{2;\ 3\}\n\nb) \ \ \ g(x)=√(5-2x) \ \ \ \ \ \ D:\ 5-2x \geq 0\ \ \ \Leftrightarrow\ \ \ -2x \geq -5\n\n\ \ \ \Leftrightarrow\ \ \ x \leq 2.5\ \ \ \Rightarrow\ \ \ D=(-\infty;2.5>$