Find the value of d so the line that passes through (a,b) and (c,d) has a slope of 1/2.

Answers

Answer 1

Answer:
I'm guessing that in the book or the homework sheet, they gave you
the values of 'a', 'b', and 'c', and you're supposed to find the value of 'd'.

If you have two points on the line, then the slope of the line is

   (the change in 'y') divided by (the change in 'x') .

If the two points are (a, b) and (c, d), then the slope of the line is

   (d - b) divided by (c - a) ,

and you have to find the value of 'd' that makes that whole expression
equal to 1/2.

(d - b) / (c - a) = 1/2

Multiply each side by (c - a):   (d - b) = 1/2(c - a)

Add 'b' to each side: d = 1/2(c - a) + b

If you know the values of 'a', 'b', and 'c', you can find the value of 'd'.

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fifty of the 80 students in the club were girls. what was the ratio of boys to girls in the club ? pls show workkk !! i will mark brainliest

Answers

Answer:

30:50

Step-by-step explanation:

80 Students.

50 Girls.

The Rest would be Boys so 80-50 equals to 30.

This would make the ratio 30:50 which simplifies to 3:5

3 Boys for Every 5 Girls.

Find the perimeter od a rectangular frame with sides of 4x -1 and 6x+5

Answers

Answer:

20x+8

Step-by-step explanation:

in a rectangle, the sides opposite from each other are equal, and finding the perimeter means you going to add all the sides together

therefore we have

4x-1+4x-1+6x+5+6x+5=20x+8

Final answer:

The perimeter of a rectangular frame with sides of 4x - 1 and 6x + 5 is 10x + 4 units.

Explanation:

To find the perimeter of a rectangular frame, we add up the lengths of all the sides. In this case, the lengths of the sides are given as 4x - 1 and 6x + 5. Therefore, the perimeter can be found by adding these two sides together and simplifying the expression.

The perimeter = (4x - 1) + (6x + 5)

= 4x + 6x - 1 + 5

= (4 + 6) x + 4

= 10x + 4

So, the perimeter of the rectangular frame is 10x + 4 units.

Learn more about Perimeter here:

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a ball shaped like a sphere has a radius of 2.7 centimeters. which measurement is closest to the volume of the ball in cubic centimeters

Answers

i think that the answer is 30%

Answer:

the answer is C

Step-by-step explanation:

Did the question a couple of days ago

If a carpenter charge $825 for 15hr plus $278 for materials.. What is the carpenters rate per hr

Answers

In this question, there are several information's already given. Let us first write them down for solving the question.
Amount of money charged by the carpenter for 15 hours = $825
Then
Amount of money charged by the carpenter per hour = 825/15 dollars
= 55 dollars
So the carpenters rate per hour is $55. The cost of the material has no significance with the carpenters rate per hour.The cost of the material hasno significance with the carpenter’s rate per hour. The material cost canchange as per the customers need. So it cannot be added to the carpenters perhour rate.

Question:- If a carpenter charge $825 for 15hr plus $278 for materials.. What is the carpenters rate per hr

Answer:-

Now, since we need to find the rate per hour, we divide or set up a proportion.

825/15 = x/1

Cross multiply

825*1 = 825
15*x = 15x

15x = 825

Divide

15x/15 = 825/15
x= 825/15
x= 55

Now, since they told us that materials are also in the price, we need to add that too.

$55 per hour + 278 dollars for materials

55+278 = 333

But since the rate means how much, we do not need to include any materials cost.

We have our final answer: $55 per hour

HELP!! I NEED THIS FAST!!! A chip board has 10 black chips and 13 red chips what is the value of the chip board

Answers

Answer:Yessss

Step-by-step explanation:

use the tally chart to draw a bar graph below. The scale is given. Coins in Maria's Piggy Bank Number of Coins Penny Nickel Dime Quarter

Answers

there is 60 coins in a tally chart

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