MATHEMATICS MIDDLE SCHOOL

20 POINTS HELP PLZZZZZZ!!!!!!! Write the equation for the problems below. Two friends played a board game. One had 25 point and the other had 13 less than the first. Let p = points for second friend. p+25=13


p+13=25


p-13=25


p-25=13

Answers

Answer 1
Answer: Hello!

"Had 13 less than the first" indicates subtraction, so eliminate answer choices A and B. 

"Had 13 less than the first" also indicates that the second friend had 13 less than the point amount of the first friend, which would mean 13 less than 25. 

Equation: 25 - 13 = p

But that isn't an answer choice, right? Because of that, we have to find an equivalent equation, one that involves subtracting 25 from p to get 13.

Your answer is "p - 25 = 13"

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PLease help and best gets brainliest.School is 2 miles from home along a straight road. The table shows your distance from home as you walk home at a constant rate.

Time(mins): 10-20-30
Distnce(mi)1.5-1-0.5

1)Is the relationship in the table
proportional?
2)Find your distance from school fro each time in the table
3)Write an equation representing the relationship between the distance from school and time walking.

Answers

Part 1) Is the relationship in the table proportional?

Let

y-------> your distance from home in miles

x-------> the time in minutes

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

Let

A(10,1.5)\nB(20,1)

Find the slope AB

the slope is equal to

m=((y2-y1))/((x2-x1))

Substitute the values

m=((1-1.5))/((20-10))

m=((-0.5))/((10))

m=-0.05

Find the equation of the line with m and the point A

y-y1=m(x-x1)

y-1.5=-0.05*(x-10)

y=-0.05x+0.5+1.5

y=-0.05x+2

therefore

The answer part 1) is

the relationship in the table is not proportional

Part 2) Find your distance from school fro each time in the table

for

x=10\ minutes\ny=1.5\ miles\n distance\ from\ school= 2-1.5=0.5\ miles

for

x=20\ minutes\ny=1\ miles\n distance\ from\ school= 2-1=1\ miles

for

x=30\ minutes\ny=0.5\ miles\n distance\ from\ school= 2-0.5=1.5\ miles

Part 3) Write an equation representing the relationship between the distance from school and time walking

Let

y-------> your distance from school in miles

x-------> the time in minutes

A(10,0.5)\n B(20,1)

Find the slope AB

the slope is equal to

m=((y2-y1))/((x2-x1))

Substitute the values

m=((1-0.5))/((20-10))

m=((0.5))/((10))

m=0.05

Find the equation of the line with m and the point A

y-y1=m(x-x1)

y-0.5=0.05*(x-10)

y=0.05x-0.5+0.5

y=0.05x

therefore

the answer part 3) is

y=0.05x
1) Yes, the relationship in the table is proportional. If, when you've been walking for 10 minutes, you are 1.5 miles away from home, and when you've been walking for 20 minutes, you are 1 mile away from home, and when you've been talking 30 minutes, you are 0.5 miles away from home, then we can see that there is a proportion that happens here. For every 10 minutes you walk, you get 0.5 miles closer to your home.

2) We know that you've been walking 10 minutes already at the start of this problem, and we know that you walk at a steady pace of 0.5 miles every 10 minutes, so we just need to add 0.5 miles to our starting point to get the distance from the school to home, which makes it 2 miles away.

3) An equation representing the distance between the distance from school and time walking could be something like this:

t = 20d

Where t is the amount of time it takes to get home (in this case, t = 40 minutes) and d is the distance you can walk in 10 minutes (in this case, 0.5 miles)

The equation is lame, but that's the best I could do :\
Hope that helped =)

The table shows the results of rolling a number cube, with sides labeled 1 through 6, several times. What is the experimental probability of rolling a 1 or a 5?

Express your answer in simplest form.

Outcome 1 2 3 4 5 6
Number of times outcome occurred 10 6 4 8 6 6

Answers


Total number of rolls in the experiment:  (10 + 6 + 4 + 8 + 6 + 6)  = 40 .

Number of times  '1'  or  '5'  came up:  (10 + 6) = 16 .

Experimental probability of  '1'  or  '5'  :   16/40  =  40%
(Could change, and most likely will, in the next experiment.) 

Theoretical probability:  2/6  =  33-1/3 %

Answer:

1/4

Step-by-step explanation:

What is 8.89 rounded to the nearest tenth

Answers

9 
There is .Tenths hundreths and so on behind the decimal they skip ones
~Riley
4 or less let it rest 5 or more raise the score that how I remember it
the correct answer is 9.00 because after the 1st 8 that number is higher than 4 so you go up a number

20 hundreds equals how many thousands?

Answers

we know that

1\ hundred=100

1\ thousand=1,000

so

1\ thousand=10\ hundred

By proportion

Find how many thousands are 20\ hundreds

(1)/(10) (thousand)/(hundreds) =(x)/(20) (thousands)/(hundreds) \n\nx=20/10 \n\nx=2\ thousands

therefore

the answer is

2\ thousands

The number of 20 hundreds in 2 thousands is 2.

We are given that;

The number = 20 hundreds

Now,

20 hundreds equals 2 thousands.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

Unitary method is a technique by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit.

It is a method that we use for most of the calculations in math.

We can divide 20 by 10 to get the answer.

$(20)/(10) = 2$

Therefore, by the unitary method answer will be 2.

Learn more about the unitary method, please visit the link given below;

brainly.com/question/23423168

#SPJ6

Can some one help me plzz

Answers


Let me try . . .

When two lines intersect, they form four (4) angles, all at the same point.
There are two pairs of angles that DON't share a side, and a bunch of other
ones that do share sides. A pair of angles that DON't share a side are called
a pair of "vertical angles".

A pair of vertical angles are equal, but this problem isn't even asking you about
that; it's just asking you to find a pair of vertical angles.

Since you and I are not sitting together at the same table, I can't point to
the drawing and point out different angles to you.  You just have to go
through the choices, and find a choice where both angles are formed from
the same two lines.

The first choice (KRE and ERT) is no good, because KR,  RE,  and  RT
are parts of three different lines.

Check out the other 3 choices, and you're sure to find the only one where
both angles are formed by the same two lines.
this would be C because the liners are not intersecting 

What is the solution to the system of equations represented by the two equations?need to be answered ASAP.

Answers


Since  (3/2 x)  and  (-1/2 x + 4)  are both equal to the same thing,
they must be equal to each other.

So you can write        3/2 x  =  -1/2 x + 4 .

Use that equation to find the value of 'x'.

Then write that value in place of 'x' in either one
of the original equations to get 'y'.

Now you can solve it yourself, faster than I can write the solution here.
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