Use the substitution method to solve the system of equations.
3x + 4y = 10
y = x-1
A. (2,3)
B. (2,1)
C. (3,2)
D. (1,2)

Answers

Answer 1

Answer:

B

Step-by-step explanation:

3x + 4(x-1) = 10

3x+4x-4=10

7x-4=10

+4     +4

7x=14

/7   /7

x=2

y=(2)-1

y=1


Related Questions

You created new playlist, and 100 oi your friends listened to it and shared if they liked the new playlist or nat. Nadhii said the ratio of the number of people who liked the playlist ta the number of people who did nat like the playlist is 75:25. Dylan said that three people who liked the playlist, one person did not. Nadhii and Dylan agree? Prove your answer using the values of the ratios.

Answers

Answer:

Yes, Nadhii and Dylan agree

Step-by-step explanation:

You created a new playlist, and 100 of your friends listened to it and shared if they liked the new playlist or not. Nadhii said the ratio of the number of people who liked the playlist to the number of people who did not like the playlist is 75: 25. Dylan said that for every three people who liked the playlist, one person did not.

Do Nadhii and Dylan agree? Prove your answer using the values of the ratios.

Total number of friends who listened = 100

Nadhii said the ratio of the number of people who liked the playlist to the number of people who did not like the playlist is 75: 25.

Nadhii

Number of people who liked the playlist : Number of people who did not like the playlist

= 75 : 25

= 75 / 25

= 3/1

= 3 : 1

Dylan said that three people who liked the playlist, one person did not.

Number of people who liked the playlist : Number of people who did not like the playlist

= 3 : 1

Yes, Nadhii and Dylan agree

Quadrilateral VWXY is a kite. Find the measure of angle W.

Answers

Answer:

88

Step-by-step explanation:

all the angles added up must equal 360 degrees add x and v and subtract with 360 and divide that by 2

HEY CAN ANYONE PLS PLS ANSWER DIS MATH PROBLEM!!!!!

Answers

Answer:

greater than 27 less than 48

Step-by-step explanation:

the cost of 5 books and 4 pens is 115. if the cost of 1 book is RS 15 ,find the cost of 7 pens​

Answers

Answer:

The cost of 7 pens is RS 70

Step-by-step explanation:

Let c=the cost of one book and p=the cost of one pen

5b+4p=115

b=15

5(15)+4p=115

75+4p=115

4p=115-75

4p=40

p=40/4

p=10

7p=7*10

7p=70

The cost of 7 pens is RS 70

Kira runs 7 miles in 60 minutes. At the same rate, how many miles would she run in 24 minutes.

Answers

Answer:

2.8 miles

Step-by-step explanation:

brian runs 7 miles in 60 minutes at the same rate how many miles would he run in 24 minutes?

(24/60)*7=2.8 miles

What is 9m + 6 = 87
please help im desperate fwhe

Answers

Answer:

m=9

Step-by-step explanation:

9m=81

Answer:

9

Step-by-step explanation:

First you have to get the variable by its self (m). So you will get rid of 6 and since it’s positive you will do negative 6 to cancel it out. But what you do to one side you do to the other, so you will do 87 - 6 and get 81. Now it’s 9m = 81. So then since 9 is next to m that implies multiplcation so you do the opposite of multiplication and dived 9 by both sides. And when you do that you get 9.

PLEASE HELP ME I DONT UNDERSTAND

Answers

Answer:

[tex]d=4\sqrt{5}[/tex]

Step-by-step explanation:

Write down both endpoint coordinate points:

[tex](-5,-3)(-1,5)[/tex]

Use the distance formula:

[tex]d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2} \\\\(x_{1},y_{1})(x_{2},y_{2})[/tex]

Insert values:

[tex]d=\sqrt{(-1-(-5))^2+(5-(-3))^2} \\\\d=\sqrt{(-1+5)^2+(5+3)^2}[/tex]

Simplify parentheses:

[tex]d=\sqrt{(4)^2+(8)^2}[/tex]

Simplify exponents:

[tex]d=\sqrt{16+64}[/tex]

Add:

[tex]d=\sqrt{80}[/tex]

Find the square root. Find multiples of 80 that are perfect squares:

[tex]16*5=80\\\\\sqrt{16*5}\\\\\sqrt{16}*\sqrt{5} \\\\[/tex]

[tex]d=4\sqrt{5}\\\\d=8.94427190...[/tex]

:Done

Solve for s.

72=27+9s

How do you solve for s?

Answers

Answer:

s=5

Step-by-step explanation:

Answer:

S = 5

Step-by-step explanation:

Subtract 27 from both sides

45 = 9s

divide by 9

s = 5

Which is an equation?
A) 6 - x
B) 3/4 x + 2
C) 12(7 - 3)
D) 6x - 6y - 6z

Answers

Answer:

12(7 - 3)

Step-by-step explanation:

All the other do not equal anything.

How many five card hands can
be dealt from a standard deck of
52 cards?

Answers

Answer:

2

Step-by-step explanation:

Divide the fractions. Don’t simplify

3/4 divided by 5/2

Answers

The answer is three-fourths
It will be cool if I can be brainliest

This is important I need help I will give brainiest to whoever does both​

Answers

Answer:

c no each output has one input and 2nd is function b plz need brainlyest :P

Step-by-step explanation:

The first is D
The reason is because every input can only have one output

The second is B
The reason is because the ROC for function A is 1/4 also known as .25
The ROC for function B is .75

how many vertices ate there in a square​

Answers

Answer:

4

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

there are 4 vertices in a square

^^ this is the last oneeee

Answers

I believe the measurement of AB is 30 degrees

Answer:

30 degrees

Step-by-step explanation:

So a complete circle consists of 360 degrees but we are trying to find what ADB equals so we are going to subtract BDC and ADC from 360:

BDC = 150

The graph does not say what ADC equals so we are going to look at the graph and see that ADC is half of the circle so we are going to divide 360 by 2:

360/2 = 180

So ADC equals 180, since we know what ADC and BDC equal we are going to add them together and then subtract them from 360:

180 + 150 = 330

360 - 330 = 30

So ADB = 30 degrees

Hope this helps!

sarah has a rope that is 36 feet long she is cutting it into 6 foot pieces to make jump ropes how many jump ropes can sarah make ?

Answers

Answer:

she can make 6 jump ropes

Please help!!!!! will mark brainliest

Answers

Answer:

It should be B- an=3n+1 because it seems to be adding one every time

Step-by-step explanation:

Answer:

We will count number of squares

first term is 4

so,

second term is 7

so,

third term is 10

so,

We can see that this sequence is in arithematic sequence

we can use nth term formula

where

an is nth terms

a1 is first term

d is common difference

n is total number of terms

now, we can plug values

and we get

b 3n+1

Step-by-step explanation:

Please help me find the y-intercept! :(

At midnight there were 5 inches of snow on the ground. Since then, snow has been falling at the rate of ½ inch per hour. Identify the y-intercept.

Answers

5 inches

Explanation: y = Mx + b, m is your slope (1/2), b is your y-intercept (5 inches)

Equation would be y= (1/2)x + 5

Will is buying a house for $185,000. He is financing $165,000 and obtained a 30-year, fixed-rate mortgage with a 6.725% interest rate. How much are his monthly payments? (2 points)

Answers

Answer:  $1067.45

=================================================

Work Shown:

L = 165000 = loan amount or amount financed

r = 0.06725  = annual interest rate in decimal form

i = r/12 = 0.06725/12 = 0.005604167

i = 0.005604167 = approximate monthly interest rate in decimal form

n = number of months = 30*12 = 360 months

P = unknown monthly payment

--------------

Apply the monthly payment formula

P = (L*i)/( 1-(1+i)^(-n) )

P = (165000*0.005604167)/(1-(1+0.005604167)^(-360))

P = 1067.44636311118

P = 1067.45

Write a word description of the set.
{−6, −5, −4, −3, −2, −1}

Answers

The numbers in the brackets shown are from least to greatest. Negative six (being the lowest), negative five, negative four, negative three, negative two, negative one(being the greatest).
Hope this helps!

Please help me?!!!!! I need help asap

Answers

Answer:

Try D

Step-by-step explanation:

I think it’s B it makes more sense

Which of the following equations represent linear functions?
The picture will be shown

Answers

B; because it needs to start with y=

Simplify 5c(3c^2)^3.

Answers

Answer:

5c(3c2)3

=135c7

Step-by-step explanation:

Answer:

135c ^3 i just took the test

Step-by-step explanation:

i messed up sorry





















Item 9
Question 1
Write the word sentence as an equation. Then solve.

A number x multiplied by 2/5 is 3/20.

Equation:

Question 2
Solution: x=

Answers

Answer:

x2/5=3/20 it is the equation

and when we solve it

x2/5=3/20

x2/5×5/2=3/20×5/2

x=15/40 when we simplify it by 5 it is

x=3/9 it is the answer for the question.

$71 is what percent of $100?

Answers

Answer:

its 71%

Step-by-step explanation:

71÷100×100=71%

Answer: 71%

Step-by-step explanation: it’s pretty simple i think, hope this helps!

Graph -5 1/4 on the number line. Click on the number line to identify the number's location.

Answers

Answer:

the one after 5

Step-by-step explanation:

press the one after 5

The point -5 1/4 is plotted on the number line in the graph as shown.

What is a graph?

A graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner. A graph consists of some points and lines between them.

For the given situation,

The point is -5 1/4.

We need to plot this point on the number line shown.

In the graph below, the point -5 1/4 is plotted on the number line.

Hence we can conclude that the point -5 1/4 is plotted on the number line in the graph as shown.

Learn more about graphs here

https://brainly.com/question/15295094

#SPJ2

0.000603 in scientific notation

Answers

6.03 x 10^-4 That is 6.03 times 10 to the negative 4 power.

At science camp, the kitchen served half of their blueberries with breakfast. After dinner, they put the remaining 5{,}270 \text{ g}5,270 g5, comma, 270, start text, space, g, end text of berries on top of their ice cream dessert. How many kilograms of blueberries did the science camp start with?

Answers

Answer:

10.54 kg

Step-by-step explanation:

Given that :

Half of blueberries is served with breakfast

The remaining 5270g is served with dinner

How many kilograms of blueberries did the science camp start with :

Total grams of blue berries :

(Grams served at breakfast + grams served at dinner)

Let total blueberries = x

x/2 + 5270 = x

(x + 10540) /2 = x

x + 10540 = 2x

10540 = 2x - x

x = 10540 grams

Amount of kilograms science camp started with = (10540) / 1000 = 10.54 kg

THIS IS URGENT, PLEASE ANSWER ASAP!
In an isosceles trapezoid, how do you prove the base angles are congruent?

Answers

Answer: Well there's a geometry definition stating that the two angles are equal.

But ig i can try to make a proof.

First make a perpendicular bisector from the vertex to the bottom splitting the bottom side in half.

Now because of LL theorem, and the reflexive property, the two triangles are equal.

Now using cpctc, the two angles are also equal.

Step-by-step explanation:

Answer:

here is your answer...

hope it helps!

1. If an item is discounted 20%, the sale price is what percent of the original price?

2. If the original price of the item is $400, what is the dollar amount of the discount?

3. How much is the sales price?

Answers

Answer:

1. it would be 80% of the original price

2.400×.20=$80

80 dollars would be the amount you would discount from the original price.

3.the sales price is $320

400-80=320

Step-by-step explanation:

Hope this helped :)

also hi!

Johnny ran 18.28 meters in a football game. How many yards did he run?

Answers

Answer:

19.991251 yards

Step-by-step explanation:

Answer:19.69 yards

Step-by-step explanation:

I asked Siri nah I’m kiddin if one meter is about .91 meters you just have to add .91 to. 18.28

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