MATHEMATICS HIGH SCHOOL

The sum of two odd numbers is 198. Both of the numbers are multiples of 3. One of the numbers is 5 times the other. Which equation could you use to find the two numbers?

Answers

Answer 1
Answer:

Answer:

The equation used to find the two numbers is:

x+5x=198

and numbers are:

33 and 165

Step-by-step explanation:

The sum of two odd numbers is 198.

One of the numbers is 5 times the other.

Let one number be x

other number=5x

⇒ x+5x=198

⇒ 6x=198

Dividing both sides by 6,we get

x=33

Other number=5x=5×33=165

The equation used to find the two numbers is:

x+5x=198

and numbers are:

33 and 165
Answer 2
Answer: You could use m= the lesser number and n as the greater number. Since one is 5 times the other you will start with m+5m=198. Then you will combine like terms so it will become 6m=198. Then you will solve it as a regular equation. m=33 and n=165.

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Given the following information, choose the brand that is the better buy. Brand A: $1.25 for 10 ounces Brand B: $1.47 for 12 ounces Brand C: $1.68 for 14 ounces Brand D: $1.84 for 16 ounces

Answers

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The brand that is better to buy is Brand A

4x+3y=12 in y=mx+b form

Answers

Answer:

y = -4/3x + 4

Step-by-step explanation:

4x+3y=12

3y = -4x + 12

y = -4/3x + 4

Find the X and Y intercepts (-4,-3) (1,6

Answers

the x intercept is when the line passes through the x axis or when y=0
the y intercept is when the line passes through the y axis or when x=0

so we need to find the equation in slope intercept form or y=mx+b where m=slope or rise over run and b is y intercept

we plot the points and find that the slope is 9/5 so
y=9/5x+b
we subsitute one of the values
-3=9/5(-4)+b
-3=-36/5+b
36/5=7 1/5
-3=-7 1/5+b
b-3=-7 1/5
b=-4 1/5

the equation is y=9/5x-4 and 1/5 or y=9/5x-21/5

x intercept
y=0
0=9/5x-21/5
21/5=9/5x
multiply both sides by 5/9
65/45=1/1x
x=21/9=7/3
x intercept=7/3

y intercept
x=0
y=9/5(0)-21/5
y=-21/5
y intercept=-21/5

What is the equation of the line, in slope-intercept form, that contains the points (−1, 5) and (2, 2)?y = −3x + 4
y = −x + 1
y = x + 4
y = −x + 4

Answers

So,

First, we need to find the slope by subtracting the y-values and subtracting the x-values.

5 - 2 = 3
-1 - 2 = -3

Now divide the y-result by the x-result.
3/-3 = -1 <-- slope

y = -x + b <-- equation so far

To find the y-intercept, substitute a solution into the equation.

2 = -2 + b

Add 2 to both sides.
4 = b

Now we have our complete equation.
y = -x + 4 <-- option D
y=mx+b
m=slope
b=yintercept
slope=(y2-y1)/(x2-x1)

given the points (-1,5) and (2,2)
slope=(2-5)/(2-(-1))=-3/(2+1)=-3/3=-1
y=-1x+b
sub a oint
(2,2)
x=2
y=2
2=-1(2)+b
2=-2+b
add 2
4=b

y=-x+4

Help I don't understand this math problemsee attachment


please asap


thanks

Answers

Answer:

The value of the expression is 5/6.
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