Mathematics High School

These tables of ordered pairs represent some points on the graphs of lines p and r.

Which system of equations is represented by lines p and r?


9x−4y=−92x+4y=15

3x−y=−127x+3y=21

2x−y=−82x+y=7

x−2y=−86x+5y=30
Line p
x y
−3 2
0 8
4 16
Line r
x y
−5 17
2 3
5 −3

Answers

Answer 1

Answer:

The answer above mine is correct and here is why.

Step-by-step explanation:

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These Tables Of Ordered Pairs Represent Some Points On The Graphs Of Lines P And R.Which System Of Equations

Related Questions

Hailey is putting up a fence in the shape of an isosceles triangle in her

backyard. The fence has side lengths as shown, where x represents the

number of feet in each fence section. The perimeter of the fence can be

covered using 8 total fence sections represented by the expression 8x. If

fencing costs $6.50 a foot, what would be the total cost of the fence?

(2x + 4) ft

(3x + 7) ft

.

(2x + 4) ft

Answers

Answer:

the total cost would be $ 780.00

Step-by-step explanation:

step by step explanation

How to do matrix multiplication.

Answers

Answer:

A Matrix is an array of numbers:

2x3 Matrix

A Matrix

(This one has 2 Rows and 3 Columns)

To multiply a matrix by a single number is easy:

Matrix Multiply Constant

These are the calculations:

2×4=8 2×0=0

2×1=2 2×-9=-18

We call the number ("2" in this case) a scalar, so this is called "scalar multiplication".

Could someone please help me on this equation?

Answers

Answer:

y = (x+2)x7

Step-by-step explanation:

Answer:

y = 7x + 14

Step-by-step explanation:

1. Add 2 to x = x + 2

2. Multiply x + 2 by 7 = 7(x + 2)

3. Simplify: y = 7x + 14

Find m<1 and m<2
Help

Answers

Answer:

m<1 = 45

m<2 = 135

Step-by-step explanation:

135 is across from the 135 making m1 135 and 135 plus 45 equals 180, 180 is the total for the line the other 2 angles are on.

10000+2000003
ghsrhrs

Answers

[tex]⇒10000 + 2000003 = 2010003[/tex]

- BRAINLIEST answerer

Answer: 2010003

Step-by-step explanation: because 10000+2000003= 2010003

solve pls brainliest

Answers

Answer:

neither, neither, terminating, repeating

Yeah, I think that the person above is correct

find two numbers whose sum is 114 and the difference is 58.
(written as an equation please)

Answers

[tex]⇒[/tex]

x + y = 114

x - y = 58

Add the equations downward:

2x + 0y = 172

2x = 172

x = 86

x + y = 114

86 + y = 114

y = 114 - 86

y = 28

Answer: The two numbers are 28 and 86.

Please mark me brainliest

There are
r red marbles and g green marbles in a bag. When one red marble is removed and one green marble added, the ratio of red to green marbles is now 2:3 .

Subsequently, 6 red marbles and 4 green marbles are added, such that the ratio of red to green marbles is now 3:4.

What is the ratio of r to g? Your ratio must be in its simplest form.

Answers

The ratio of red marbles to green marbles, [tex]r:g=5:7[/tex]

The first sentence about what happens to the bag of marbles;

"When one red marble is removed and one green marble added, the ratio of red to green marbles is now 2:3"

Leads to the fractional equation

[tex]\frac{r-1}{g+1}=\frac{2}{3}[/tex]

After rearranging, we get equation (1) [tex]3r-2g=5[/tex]

The next sentence about what happens to the bag of marbles;

"Subsequently, 6 red marbles and 4 green marbles are added, such that the ratio of red to green marbles is now 3:4"

Leads to the fractional equation

[tex]\frac{r-1+6}{g+1+4}=\frac{3}{4}\implies \frac{r+5}{g+5}=\frac{3}{4}[/tex]

Since the first change to the bag was done without replacement. After rearranging, we get equation (2) [tex]4r-3g=-5[/tex]

So we need to solve the simultaneous equations for [tex]r[/tex] and [tex]g[/tex]

[tex]3r-2g=5\\4r-3g=-5[/tex]

Which gives [tex]r=25[/tex] and [tex]g=35[/tex]

Therefore, the ratio, [tex]r:g=25:35=5:7[/tex]

Another example of ratio word problems can be found in the link below:

https://brainly.com/question/11343888

24+18a=
help i can not get the answer

Answers

That is the simplest version. Unless you meant 24+18a=0. I assume you meant = 0. So, let’s subtract 24 on both sides. 18a = -24. Then let’s divide by 18 on both sides to get the answer, b = 3/4. Unless you didn’t mean the 0 there, the sneers is in simplest form then.


An electronics store had a special sale on two different models of calculators. The more high-tech model sold for $33.02 and
the older model sold for $18.55. All together, 28 calculators were sold. Total sales came out to $736.45. Which system of
equations can be used to determine how many high-tech models were sold, x, and how many older models were sold, y?

Answers

Answer:

$736.45/$33.02 = 22.30 high tech

x($33.02) = $736.45

$736.45/$18.55 = 39.70 older models

y($18.55) = $736.45

Of the 345 7th graders, 40% of them
are in band. How many 7 graders
are in band?

Answers

So first you find 10% which is 34.5
Then you multiply 10% by 4 to get 40% which is = 138

So first you find 10% which is 34.5

Then you multiply 10% by 4 to get 40% which is = 138s

Yw

Find the slope of each line of the graphs to the right. Which graph has the greater​ slope? Use pencil and paper. Explain how you know which graph has the greater slope without doing any calculations.

Answers

Answer:

Line 2

Step-by-step explanation:

line one's slope is one and line 2 is 3

Answer:

Line 2/Depending on the steepness of the line and which way it faces, we can easily determine which line has a larger slope - Any line that goes left to right is negative, and the steeper a line is, the more the farther negative/positive slope it has.

Step-by-step explanation:

Depending on the steepness of the line and which way it faces, we can easily determine which line has a larger slope - Any line that goes left to right is negative, and the steeper a line is, the more the farther negative/positive slope it has. The slope of line one is determined from rise over run. When we take the 2 points marked, we can count rise (4) and run (4), so we have 4/4, which is one. For line 2, we can do the same and get 3. Therefore, Line 2 has a greater slope

Solve for b: A = 1 2 (a + b)h.

Answers

Answer:UwU

Step-by-step explanation:

find the slope and y intercept.​

Answers

Answer:

slope= -2/5

y intercept b= (0,2)

Solve for g.

7 − –3g = 13

g =

Answers

Answer: g=2

Step-by-step explanation:

Remove the parentheses

7- (-3)g=13

Move the constant to the right

7+3g=13

Calculate

3g=13-7

Divide both sides

39=6

Answer:

g=2

Where can Anne be found in the video?
This is the only known video of Anna frank. Answer using a single word,and lower case letter

Answers

Answer:

Step-by-step explanation:

An instant best-seller and eventually translated into more than 70 languages, The Diary of Anne Frank has served as a literary testament to the nearly six million Jews, including Anne herself, who were silenced in the Holocaust. The Frank family’s hideaway at Prinsengracht 263 in Amsterdam opened as a museum in 1960

srry i dont know but here

Damon drove 120 miles in 2 hours and Ashley drove 135 miles in 2.3 hours Ashley insists that she was traveling at a faster rate than Damon Is she accurate?

Answers

Ashley is incorrect, they’re traveling at the same rate. hope this helped

The length of a rectangle is five centimeters less than width. Find the dimensions of the
rectangle if its area is 50 cm?

Answers

Answer:

w is 10 and l is 5

Step-by-step explanation:

l=w-5

lw=50

w^2-5w-50=(w-10)(w+5) since the negative solution does not make sense w=10 and therefore l is 5 so the length is 5 while the width is 10

PLEASE HELP WITH STEPS 25 POINTS!!!!

Answers

Answer:

[tex]1.75+0.25log_{10}a[/tex]

Step-by-step explanation:

Given:

[tex]x =\sqrt{10\sqrt{10a} } /0.1[/tex]

Simplify:

[tex]x =\sqrt[4]{10^210a} /0.1[/tex][tex]x =10\sqrt[4]{10^3a}[/tex][tex]x=10^{1+3/4}a^{1/4}[/tex][tex]x=10^{1.75}a^{0.25}[/tex]

log both sides:

[tex]log_{10}x=log_{10}(10^{1.75}a^{0.25})[/tex][tex]log_{10}x=log_{10}10^{1.75} +log_{10}a^{0.25}[/tex][tex]log_{10}x=1.75 + 0.25log_{10}a[/tex]

Billy and Michael have 2 lemonade stands. Billy charges $2 per lemonade plus a flat rate of $2.
Michael charges $3 per lemonade plus a flat rate of $1.

How many lemonades would they have to sell to be making the same amount of money?

Answers

1 lemonade.

2x+2=3x+1

-x+2=1
-x=-1
x=1 lemonade

your amazing and beautiful or handsome or whatever you are comfortable with!:D​

Answers

Answer:

1. C

2. E

3. D

4. A

5. B

Step-by-step explanation:

1. It shows that the number of students decrease.

2. It increases more than the breakfast (B)

3. It's on thin line representing the students and workers whom stayed in the cafeteria.

4. It increases showing the same amount of students that entered the other day.

5. The same

simply the ratio 3:9

Answers

Answer:

1:3

Step-by-step explanation:

The ratio 3:9

3/9=1/3

=1:3

(Pythagorean theorem) find the missing side length. Round to the nearest hundredth (show steps)

Answers

Answer:

The missing length is 10.44

Step-by-step explanation:

a^2 + b^2 = c^2

3^2 + 10^2 = c^2

9 + 100 = c^2

109 = c^2

√c^2 = √109

c = √109

c ≈ 10.440307

c ≈ 10.44

Answer:

10.44

Step-by-step explanation:

Pythagorean theorem equation is a²+b²=c²

3²+10²=c²

9+100=c²........simplify

109=c².............add

√109=c

10.44031

10.44................round to the nearest hundredth

What dp they mean 2 to the fourth equal 16.

Answers

Answer:

See Below

Step-by-step explanation:

I think you mean 2 the the fourth power, showing 2, with an exponent of 4.

To calculate this, you multiply your base, 2, by itself as many times as the exponent states. Like, 2x2x2x2 because you are multiplying it 4 times by 2.

2x2=4, then 4x2=8, then 8x2= 16.

Hope this helps!

One cup of coffee needs 2 spoons of milk. If one bottle of milk has 50 spoons, write an inequality representing the possible cups of coffee one bottle of milk can make.

Answers

Bottle of milk = b
Cups of coffee = c

b less than or equal to 25c

How to solve quadratic inequalities.

Answers

Find all the zeros of the polynomial, and arrange the zeros in increasing order. ...

Plot those numbers on the number line as open or closed points based upon the original inequality symbol.

Choose a test value in each interval to see if the interval satisfies the inequality or not.

The cost of dance lessons is $12 for 1 lesson, $22 for 2 lessons, and $32 for 3 lessons. Use a graph to determine whether the cost is proportional to the number of lessons. Explain your reasoning.

Answers

Answer:

it is not proportional. when you graph it, you will see it is not linear.

Step-by-step explanation:

Answer:

not proportional

Step-by-step explanation:

A graph that’s proportional would have to be linear a straight line but that cannot happen since the numbers are proportional

Its constant of proportionality is 12 and 10 so it could not work.

Which relation is a function?

Answers

B. To see if it’s a function, it has to pass the vertical line test. That means draw a vertical line (going up and down) through any point on the graph and it can only go through one point. If it goes through more than 1, it’s not a function. Like in graph A, if you draw a vertical line at x=-2, it will go through two points, same at x=2. For graph b, no matter where you move a vertical line, it only passes through one point at a time, so it passes the vertical line test.

-7/8 divided by 9/8
opl;bgklkgmhglkhnjknjkgnh kjhngkhjngkjhn

Answers

Answer:

77/8

Step-by-step explanation:

What value is added to both sides of the equation x^2 − 6x = 10 in order to solve by completing the square? (1 point)

Group of answer choices

−3

3

6

9

Answers

Answer:

9

Step-by-step explanation:

use half the x coefficent and square it

x^2 − 6x + (-3)^2 = 10 + (-3)^2

x^2 - 6x + 9 = 10 + 9

(x - 3)^2 = 19

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