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Kipish [7]
3 years ago
8

Franklin starting playing video games as soon as he got home from school. He played video

Mathematics
2 answers:
Sergeu [11.5K]3 years ago
5 0

Answer:

3:05

Step-by-step explanation:

raketka [301]3 years ago
5 0

Answer: he got home at 3:05 pm!

Step-by-step explanation:

working backwards from the time stamp 5:56pm, we can just subtract the time he spent gaming and doing chores:

5:56

-0:54 mins games

-1:00 cleaning

-0:57 for homework= the time he got home, but lets make it easier!

54+57=111, in total, that's 1:51 time wise, so that simplifies it a little, be we can simplify it further, by adding the hour spent cleaning.

1:51 on homework n games + 1:00 on cleaning = 2:51 spent on home stuff in general

so lets go back to our subtraction:

5:56 pm -time stamp after all his chores

-2:51 spent on home stuff

= 3:05 pm the time he left school

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Write a linear equation that passes through the point (2,-9) and has a slope of -5
Anna [14]

Answer:

  • y = -5x + 1

Step-by-step explanation:

<u>Given:</u>

  • The slope m = -5 and point (2, -9)

<u>Use point slope form:</u>

  • y - y₁ = m(x - x₁), where (x₁, y₁) is the given point

<u>So the equation is:</u>

  • y - (-9) = -5(x - 2)
  • y + 9 = -5x + 10
  • y = -5x + 1
3 0
3 years ago
5x+1=20 draw a tape diagram
igor_vitrenko [27]

Answer:

19/5

Step-by-step explanation:

5x+1=20

5x=20-1

5x=19

x=19/5

4 0
4 years ago
During a dig, an archaeological team starts at an elevation of −512 feet. At a rate of 234 feet per hour, the team digs deeper i
creativ13 [48]
Are you referring to this question?
During a dig, an archaeological team starts at an elevation of −5 1/2 feet. At a rate of 2 3/4 feet per hour, the team digs deeper into the surface for 3 1/2 hours. For the next 4 1/2 hours, the team digs at a rate of 1 5/12 feet per hour. Then the team quits for the day.
How many feet did the archaeological team dig after 3 1/2 hours?
<span>What was the team's elevation at the end of the day?
</span>
If so, then let us find out the elevation.

The rate of their dig is 2 3/4 ft per hr for 3 1/2 hours, then the total distance dug after 3 1/2 hours should be: 9 5/8 ft

Here’s how we get the total distance:

 First, change mixed number into improper fraction and proceed to multiplication

2 3/4--> 11/4  and  3 1/2  becomes 7/2

Multiply.

11/4  x  7/2  = 77/8

Simplify 77/8--> 9 5/8 ft

 

Let us move on at the rate of 1 5/12 ft per hr for the next 4 1/2 hr,

Following the same procedure as above, the distance would be: 6 9/24 ft

 

Distance= 1 5/12 x 4 1/2

       = 17/12 x 9/2

       = 153/24

       = 6 9/24 ft

 

Thus,to sum up everything, they have a total dug of:

 9 5/8 + 6 9/24 = 9 15/24 + 6 9/24 = 16 ft

 

Then, their elevation on that day<span> is -5 1/2 - 16 = -21 1/2 ft</span>

5 0
4 years ago
-3x + 4y = -6
Olegator [25]

<em> There is no any c values that would produce a system with no solution because the only c value that makes the line 2 to have the same slope as line 1 also produces the same y-intercept.</em>

<h2>Explanation:</h2>

<h3>Part A.</h3>

A system that has an infinite number of solutions is called Consistent and dependent. If we have a system of linear equations in two variables, then this system will have an infinite number of solutions if and only if the two equations are basically the same. In this case, we have the following system:

\left \{ {{-3x + 4y = -6} \atop {cx + 8y = -12}} \right.

Notice that if we divide the coefficient of the variable y we get:

\frac{8}{4}=2

And if we divide the constant terms we get:

\frac{-12}{-6}=2

So, in order to get c we have:

\frac{c}{-3}=2 \\ \\ \\ Isolating \ c: \\ \\ c=-3(2) \\ \\ c=-6

<h3>Part b.</h3>

A system with no solution is called inconsistent in whose case the two equations will have the same slope but different y-intercepts.

For the first equation we have:

-3x + 4y = -6

But, isolating y, we can write this in slope intercept form :

y=-\frac{3}{4}x-\frac{3}{2}

For the second equation we have:

cx + 8y = -12

But, isolating y, we can write this in slope intercept form :

y=-\frac{c}{8}x-\frac{3}{2}

So the only possible for the line to have the same slope as 1 is that:

-\frac{c}{8}=-\frac{3}{4} \\ \\ c=8(\frac{3}{4}) \\ \\ c=6

So they have the same slope but they also have the same y-intercept making the lines to be the same.

In conclusion,<em> there is no any c values that would produce a system with no solution because the only c value that makes the line 2 to have the same slope as line 1 also produces the same y-intercept.</em>

<h2>Learn more:</h2>

Solving system of linear equations:

brainly.com/question/13799715

#LearnWithBrainly

8 0
3 years ago
You have a 70% solution of dextrose. how many grams of dextrose is in 200 ml of this solution?
Lapatulllka [165]
70 ÷100 ·200 = 140 thats your answer
4 0
3 years ago
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