what is the value of the y-coordinate of the solution to the system of equations x-2y=1 and x +4y=7

Answers

Answer 1
The y-coordinate of the solution is 3.

Related Questions

r+5
------. =. -16
3​

Answers

i’m going to interpret this as (r+5)/3=-16. we multiple both sides by 3 to get (r+5)=48. now we subtract 5 from both sides to get r=43

Plz help I’ll pay I promise this is timed

Answers

Answer:

you can say u are mutiplying them by two each times see

2:16

4:32

6:48

8:64

10:80

12:96

Step-by-step explanation:

mark brainlyest

A game decreased in price by 1 5 . After the reduction it was priced at £48. What was the original price of the game?

Answers

Answer:

£63

Step-by-step explanation:

when we subtract 15 from 48 ,we get 63 which is the answer.

y is directly proportional to x squared. If y = 112 when x = 4 find x when y = 448

Will give brainliest for correct answers

Answers

x²=y⇒x=√y

x=√112⇒10.583

x=√448⇒21.166

1) translation: 1 unit left

Answers

Answer:

x=(1,0)

g=(3,0)

q=(1,-2)

u=(2,-4)

Step-by-step explanation:

The ratio of 7th grade students to 8th students in a soccer league is 17:23. If there are 200 students in all, how many are in the 7th.

Answers

Answer:

35

Step-by-step explanation:

17:23=17+23=407×200407×2047×5=35

bakery bakes 32 batches of 645 cupcakes each week. How many individual cupcakes do they make each week

Answers

Answer:

20,640

Step-by-step explanation:

32 lots of 645

so 32×645=20,640

Question 3 (1 point)
The dimensions of a rectangular swimming pool can be represented as (3x - 8) feet and (8x + 7) feet.
Select one answer that represents the area of the swimming pool

Answers

Answer:

Area of pool = 24x²-43x-56 square feet

Step-by-step explanation:

Given that:

Dimensions of rectangular swimming pool = 3x - 8 and 8x + 7

Area of the swimming pool can be calculated by multiplying the dimensions.

Area of pool = (3x-8)(8x+7)

Area of pool = 3x(8x+7)-8(8x+7)

Area of pool = 24x²+21x-64x-56

Area of pool = 24x²-43x-56

Hence,

Area of pool = 24x²-43x-56 square feet

i made a whole yt vid on my school laptop i just cant post itttttttttttttttttt

Answers

:( try Saving it to drive then using a not school device to go on drive and save it there then post it.

sorry if it’s a little confusing but I hope this helps! :D

HURRY I HAVE 2 MINUTES

Answers

Answer:

50

Step-by-step explanation:

................

..............

A 4-column table with 4 rows. Column 1 is labeled x. Column 2 is labeled y. Column 3 is labeled x + y = 56. Column 4 is labeled 2 x minus 7 = y. All rows are blank. Using the guess and check technique, find two numbers that satisfy both conditions. The sum of the two numbers is 56. The second number is seven less than two times the first number. What is the value of the first number, x? 19 21 31 35

Answers

Answer:

B. 21

Step-by-step explanation:

I just got it correct on edge 2021.

Also:

12 x 2 = 42

42 - 7 = 35

35 + 21 = 56

Answer:

21

Step-by-step explanation:

Algebraic Simplification
Solve
1. (5a- 6b) + (4a +8b)
2.pqr+pqr-2qrs+5qrs-3pqr
(Need step by step explanation)

Answers

Answer:

[tex] \boxed{ \tt{1. \: \: 9a + 2b}}[/tex]

[tex] \boxed{ \tt{2. \: \: 2pqr + 3qrs - 3pqr}}[/tex]

Step-by-step explanation:

[tex] \tt{1. \: \: (5a - 6b) + (4a + 8b)}[/tex]

Remove the unnecessary parentheses :

⇾ [tex] \tt{5a - 6b + 4a + 8b}[/tex]

Combine like terms. Like terms are those which have the same base { For instance : In the term 4a , a is the base }. Also remember that : Only coefficients of like terms can be added or subtracted.

⇾ [tex] \tt{5a + 4a - 6b + 8b}[/tex]

⇾ [tex] \tt{9a + 2b}[/tex]

[tex] \tt{2. \: \: pqr + pqr - 2qrs + 5qrs - 3pqr}[/tex]

Combine like terms :

⇾ [tex] \tt{2pqr + 3qrs - 3pqr}[/tex]

Hope I helped ! ♡

Have a wonderful day / night ! ツ

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

Answer:

1. (5a-6b) + (4a+8b)

= (5a + 4a) + (8b - 6b)

=9a + 2b

2. pqr+pqr-2qrs+5qrs-3pqr

= 2pqr-3qrs-3pqr

= -3qrs-pqr

Step-by-step explanation:

have a great day

The plans or an apartment complex were laid out on the first quadrant of a coordinate plane. The complex will have two postal delivery centers. One center is located at (1, 5), and the other is located at (10, 17). If each grid unit equals 100 yards, how far apart are the postal delivery centers?

Answers

Answer:

1500yards

Step-by-step explanation:

Distance between two coordinates is expressed as;

D = √(x2-x1)²+(y2-y1)²

Given the coordinates (1,5) and (10, 17)

D = √(10-1)²+(17-5)²

D = √(9)²+(12)²

D = √81+144

D= √225

D = 15 units

Since 1 unit = 100yards

15 units = x

x = 15(100)

x = 1500 yards

Hence the delivery centres are 1500yards apart

Determine which equations below have x = 15 as a solution Circle all that apply. Explain the method you used to derive your answers
A 315
B
1.5
C2 - 12=27
D. 4 + 19
O E = 10

Answers

Answer:

3 x = 15

Step-by-step explanation:

you need to divide the 15 by 10, 3 times and the you will get five

and it says Determine which equations below have x = 15 as a solution.

What is 2/3 + 3/4 + 3/5??

Answers

Answer:

Brainiest

Step-by-step explanation:

2.01666666667

Answer:

2 1/60

Step-by-step explanation:

PLZ HELP, WILL MARK BRAINLIEST

Answers

Answer:

Step-by-step explanation:

16.50 × m = 99

m = 6

pls help !!!!! i'll mark brainliest

Answers

Answer:

Last year there were 550 bison in the heard and this year it is 10% larger.

10% is also 10/100 or 0.10

To find 10% of the heard last year

550 x.0.10 = 55. To find the number in the heard this year add 550 (last year) + 55 (10% growth) = 605 or,

to find how many there are now last years heard size was 100% of the heard or 1.00. To find any percent more add it to 1.00 and multiply by the starting amount.

550 x 1.10 = 605

For the second example.

If there are 550 bison in the heard this year, and this year was a decrease of 10% from last year we can express last year's number like this.

550 = (x - (x * 0.10)) simplify;

550 = 1x - 0.10x

550 = 0.90x

Divide both sides by 0.90

x = 611.11 but it's hard to have 0.11 of a bison so realistically 611 bison last year. Subtract 10% or 61 and you indeed have 550 this year.

A shoe store has a markup rate of % and is selling a pair of shoes for $. Find the price the store paid for the shoes.

Answers

Answer: $76

Step-by-step explanation:

Stores buy goods from others and sell it at a higher price to make profit. The difference between the price they bought it for and the one they will sell is the markup.

The markup percentage represents that markup in terms of the original cost.

If the price now is 75% higher than the original price, assume the original price to be x.

Expression is:

x + (x * 75%) = 133

x + 0.75x = 133

1.75x = 133

x = 133/1.75

x = $76

When building the swings for ionta playground the construction crew bought 72 feet of chain however the company that makes the chain only sold it by the yard how many yards did they buy

Answers

Answer:

24 yards of chain were sold

Step-by-step explanation:

1 ft = 1/3 yd

72 * 1/3 = 24

A recipe for one batch of cookies cause for 3 cups of flour how much flour is required to bake one and a half batches of cookies

Answers

Answer:

4.5 cups

Step-by-step explanation:

if one batch requires 3 cups of flour

3b= cups of flour

3x1.5= cups of flour

4.5 cups

what are the coordinates of point A​

Answers

Answer: (-3,-6)

Step-by-step explanation:

Answer:

(-3, -6)

Step-by-step explanation:

"x" goes first, and its -3 on the left

"y" goes last, and its -6 when it came down.

A movie theater charges 10.50 per person for admission. In one hour, the theater raised $19.11 in admission fees. Write and solve an equation to find how many people visted in a hour.

Answers

Answer:

a. C = $ 10.50x b. 2 persons

Step-by-step explanation:

a. Write an equation to find how many people visited in a hour

Let x be the number of persons admitted in one hour. Since the movie theater charges 10.50 per person for admission, then the total admission fees would be C = charge per person × number of persons = $ 10.50 × x = $ 10.50x.

C = $ 10.50x

b. Solve an equation to find how many people visited in a hour

Given that C = $19.11, and C = $ 10.50x, so,

x = C/($10.50)

substituting C into the equation, we have

x = $19.11/$10.50

x = 1.82

Since we cannot have a decimal number of persons, x is rounded up to the nearest whole number. So,

x = 1.82

x ≅ 2

So, two people visited the theater in one hour.

Of 10 students surveyed in school,7 picked summer as their favorite season.If the school has 350 students,how many can be expected to prefer summer

Answers

Answer:

245

Step-by-step explanation:

This is a ratio

7/10 = 70% = the kids who picked summer which leaves off as 30% for an unknown season

    7 : 10

245 : 350

The 7 is how many students chose summer, and the 10 is the number of students there are in general

The 245 is the number of students who chose summer, and the 350 is the number of students there are in general

All we had to do was see how many times 10 goes into 350, which is 35 times. So we multiply 10 by 35 and we get 350. Now whatever we do on one side, we need to do it to the other. So 7 times 35 gives us 245. And that's how I know that out of the 350 students there are in total, 245 of them chose summer.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

A lemonade recipe calls for 3/4 cup of powder to be mixed with water to make 4 quarts of lemonade. How much powder in cups is needed to make 14 quarts of solution?​

Answers

Answer:

2.625 powder is needed.

Step-by-step explanation:

14/4= 3.5

3.5*.75= 2.625

If you double the value of a number and subtract six, you'll have 12. Which
equation is this?
6-2n = 12
2n-6 + 12
2n - 6 = 12
6 - 2n + 12
BONUS: What's the number?

Answers

the equation would be 2n-6=12 and for the bonus the number would be 9
It’s 2n - 6 = 12. The 2 represents the doubling of a number (n is the variable that stands for any number) and the - 6 is the subtracting six part of the problem to get 12. If you take the 6 and move it to the other side (adding it to the 12) which gets you 18 and then divide that by 2 to get the variable n by itself, you’ll get n = 9.

Joshua is planning to make a large consumer purchase. If the item costs x dollars in his home state of West Virginia, where the tax rate is 6%, the function f(x) = 0.06x + x represents his total costs. Write a function g(x) to represent Joshua’s total costs if he decides to make the purchase in his neighboring state of Virginia, where the tax rate is 5%. How will the graph of g(x) differ from f(x)?

Answers

Answer:

g(x)=.05x+x

The graphs will be very similar but f(x) first one should increase a little faster

Step-by-step explanation:

) Today there is a discount of $10 off a purchase of 5 or more concert tickets.
Which expression can you use to find the total price of 5 concert tickets after
the discount?

Answers

Answer:

Tickets * cost - 10

Step-by-step explanation:

5*cost-10

Find the experimental probability Roll dice 1,3,3,4,4 P(1)= I’ll give brainleist

Answers

Answer:

[tex]\mathrm{P(1)\:}=\frac{1}{5}[/tex]

Step-by-step explanation:

There are simply 5 possible values in the given set. Out of these, only one of these is the number 1. Therefore, the probability a 1 is drawn (P(1)) is [tex]\fbox{$\frac{1}{5}$}[/tex].

P(1) = 0.2

What is probability?

"Probability is a branch of mathematics which deals with finding out the likelihood of the occurrence of an event."

The formula of the probability of an event A is:

P(A) = n(A) / n(S)  

where, n(A) is the number of favorable outcomes and n(S) is the total number of events in the sample space.

For given question,

Number on dice = 1, 3, 3, 4, 4

⇒ S = {1, 3, 3, 4, 4}

total outcomes n(S) = 5

Let event A: getting 1 on dice

⇒ n(1) = 1

Using the formula of probability,

P(A) = n(A) / n(S)

⇒ P(A) = 1/5

P(A) = 0.2

Learn more about probability here:

brainly.com/question/12478394

#SPJ2

Darren graphed the system of linear equations shown and determined that there is no possible solution.
Which statement is true?

A.
Darren is incorrect because both lines have the same slope.

B.
Darren is incorrect because the lines intersect at a single point.

C.
Darren is correct because the lines are parallel.

D.
Darren is correct because both lines have different slopes.

Answers

Answer:

B.

Step-by-step explanation:

there it is B

Answer:

aabmlkkjnj

Step-by-step explanation:

vhublboilkm;ojhu

I need help with my homework I’m struggling

Answers

Answer:

x = 9

Step-by-step explanation:

STEP 1: Find the dilation of RQ to VT

Dilation = 9:12

= 3:4 or 3/4

STEP 2: Apply that dilation to PR to UV

Expression: x-3:18

(x-3 has to equal 3/4 of 18)

18/3 = 6

x-3 = 6

x = 9

This is your final answer.

Hope this helped ^^

(Please inform me of any mistakes! -- i havent done this for some time hehe)

I hope this helps...
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