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HELPPPPPPPPPPPPPPPPPPPPPP

Answers

Answer 1

Answer:

A. x= 3, y= -2

Step-by-step explanation:

[2] 2x= 4y+14

[1] 3y+5x=9

Solve equation [2] for the variable  x

 [2]    2x = 4y + 14

 [2]    x = 2y + 7

// Plug this in for variable  x  in equation [1]

  [1]    5•(2y+7) + 3y = 9

  [1]    13y = -26

// Solve equation [1] for the variable  y

  [1]    13y = - 26

  [1]    y = - 2

// By now we know this much :

   x = 2y+7

   y = -2

// Use the  y  value to solve for  x

   x = 2(-2)+7 = 3

good luck, I hope this helps!!!


Related Questions

>:)))))))))
i use u guys to get though exam

Answers

Answer:

B) 3/8

Step-by-step explanation:

Proportion/ Ratio:

3 pounds to 8 flower beds

3 : 8

3 / 8

Planets in Earth’s Solar System are grouped according to their distance from the Sun. Which choice correctly identifies an inner planet and an outer planet and their correct characteristics?

Answers

Answer:

its inner mars made of gas

and outer Jupiter made of rock

Step-by-step explanation:

i am in high school trust me

Answer:

inner venus made of rock

outer neptune made of gas

Step-by-step explanation:

inner planets are made of rock

outer planets are made of gas

inner planets: mercury, venus,earth. and mars

outer planets: jupiter,saturn,uranus and neptune

hope that helped!!!

The formula for the cost of buying a car is:
cost = 12 X monthly payment + deposit
a) Find the cost of a car when the monthly payment is £350 and
the deposit is £2000.

b) The cost of another car is £8000.
Find the monthly payment when the deposit is £2600.

Answers

Answer:

a) The cost of buying this car is of £6200.

b) The monthly payment is of £450.

Step-by-step explanation:

The cost of buying a car is given by:

cost = 12 X monthly payment + deposit

a) Find the cost of a car when the monthly payment is £350 and the deposit is £2000.

So

cost = 12*350 + 2000 = 4200 + 2000 = 6200

The cost of buying this car is of £6200.

b) The cost of another car is £8000. Find the monthly payment when the deposit is £2600.

Again, the formula is applied. So

cost = 12 X monthly payment + deposit

8000 = 12x + 2600

12x = 5400

x = 5400/12

x = 450

The monthly payment is of £450.

Can you guys please help me !!

Answers

Answer:

EHD=57°

BEING CORRESPONDING ANGLE

Answer:

57°

Step-by-step explanation:

It's a corresponding angle so EHD is the same as EGB

WILL GIVE BRAINLIEST FOR A CORRECT ANSWER:
A boat travels for 3 hours with a current of 3 mph, and returns back in 4 hours. How far did the boat travel in one way?​

Answers

Answer:

Solution:

the boat's speed in still water: x

The speed with current: (x+3)

The speed against current: (x-3)

The equation is

3(x+3) = 4(x-3)

x = 21 mph

The distance = 3*(21+3)= 72 miles

I  choose (A)

Step-by-step explanation:

Answer:

72 Miles

Step-by-step explanation:

Your uncle has said that if you agree to finish college he will give you equal payments of $1,000 at the end of each year for the next eight years.
If the annual interest rate stays constant at 6%, what is the value of these payments in today's dollars? (Note: Round your answer to the nearest
whole dollar.)
O $6,583
O $5,279
$7,763
$6,210

Answers

The answer 6,210 ........

UberEats claim that they will deliver the food on-time 96% of the time. During that day there were 2,750 deliveries in the city of Houston. How many of those deliveries were NOT on time?

Answers

2,750-96%=110 hope this helped :)


Solve for 3(2x-1)+7=6x-3-2(-4x)

Answers

Answer:

x = 1.14

Step-by-step explanation:

3(2x - 1) + 7 = 6x - 3 - 2(-4x) [Given Equation]

6x - 3 + 7 = 6x - 3 + 8x [Distributive Property]

6x + 4 = 14x - 3 [Combine like-terms]

-8x + 4 = -3 [Subtraction Property of Equality]

-8x = -7 [Subtraction PoE]

x = 1.14 [Division PoE]

The temperatures at four locations are 5°, –15°, –7°, and 0°.
Which list shows these temperatures from coldest to warmest?
A. –15°, –7°, 0°, 5°
B. 0°, 5°, –7°, –15°
C. 5°, 0°, –7°, –15°
D. –15°, –7°, 5°, 0°

Answers

Answer:

A

Step-by-step explanation:

The answer is C because the lower number make it colder

Compare the two fractions using , or =. 1/2 1/4

Answers

Answer:

1/2 > 1/4

Step-by-step explanation:

1/2 = 2/4

2/4 > 1/4

Answer:

1/2 > 1/4

Step-by-step explanation:

1/2= 2/4

2/4 > 1/4

Harriet believes that the function y = 11x is linear, while Paul believes that it is not linear. Who is right, and why?

Answers

Answer: Harriet is correct

Step-by-step explanation: Harriet is correct because if you graph it, it will turn out to be a straight line. It uses the equation y = f(x) = a + bx. A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y. Hope this helps!

Principal: $35000
Rate: 2%
Time: 6 Years
What is the simple interest made?

Answers

Answer:

$4200

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 2%/100 = 0.02 per year,

then, solving our equation

I = 35000 × 0.02 × 6 = 4200

I = $ 4,200.00

The simple interest accumulated

on a principal of $ 35,000.00

at a rate of 2% per year

for 6 years is $ 4,200.00.

Answer:

I’m thinking $4200

Step-by-step explanation:

Because 35k at 2% for 6 years will get you that

with a coupon, you can gat a pair of shoes that normally cost $84 for only $72. what percentage was the discount?​

Answers

Answer:

14.29%

Step-by-step explanation:

72/84 = 6/7

7/7-6/7 = 1/7

1/7 = approximately 14.29%

14.29 is the answer

If 39 is 5% of a number, what is that number? How did you find your answer?

Answers

39 is 5% of 780 you find it by multiplying 20 by 5% x 20 which equals 100 and then you Use the same number you used with 5% (20) and Multiply it with 39 which gets you 780 so 39x20=780

The sales Amount is 12,500.00, and 5% sales tax
a. what's is sales tax?
b. What's the total amount paid?​

Answers

Answer:

Step-by-step explanation:

a.A sales tax is a consumption tax imposed by the government on the sale of goods and services.

b.12500x5%=625

Please help! I may have more to ask!!

Answers

Answer:

Perimeter = 26.85 in.

Step-by-step explanation:

Perimeter of a figure = Sum of the lengths of the boundaries of the figure

In the figure attached,

There is a parallelogram with side lengths 5 in, 7 in and 7 in.

And a semicircle with radius 'r' = [tex]\frac{5}{2}[/tex] = 2.5 in

Now the circumference of the semicircle = πr

                                                                    = π(2.5)

                                                                    = 7.85 in.

Now the perimeter of the total figure = 7 + 5 + 7 + 7.85

                                                              = 26.85 in.

Therefore, perimeter of the figure is 26.85 in.

how many years will it take $136000 to grow to 468000 if invested in an account with an annual interest rate of 8%

Answers

17 years? The answer I got wasn’t exact so it could be wrong...

A yard dart is thrown from a height of 3 feet with an initial velocity of 25 feet per second at an elevation angle of 70°.

How long is the dart in the air? Round to the nearest tenth

A. 0.7

B. 0.8

C. 1.5

D. 1.6

Answers

Answer:

D

Step-by-step explanation:

Plugged it into a projectile motion calc, got 1.58. So 1.6 (rounded).

figure abcd is similar to figure mnkl if ab = 2x + 1, bc= 12, mn = 8, nk=7 and kl=13, what is the value of x​

Answers

Step-by-step explanation:

are this form 1 question??

Find the value of EC.
13
12
E
B
EC = [?]

Answers

Answer:

8

Step-by-step explanation:

NOT 5.

_____________________

Firstly note that the radius of the circle is 13 ( centre to D )

Thus the distance from B to the centre is 13

Thus B → E → centre is a right triangle and distance from centre to E (x) can be calculated using Pythagoras' identity, that is

x² + 12² = 13²

x² + 144 = 169 ( subtract 144 from both sides )

x² = 25 ( take the square root of both sides )

x =  = 5

The distance from the centre to C ( the radius ) is 13, thus

x + EC = 13, that is

5 + EC = 13 ( subtract 5 from both sides )

EC = 8

Answer:

The answer is 8

Step-by-step explanation:

please help me with this answer​

Answers

i think it’s A cuz if u add normally A is the answer u get

Answer: B. 2x^4+12x^2-8

Step-by-step explanation: x^2+4x+2 x 2x^2+3x-4

x^2 x 2x^2+4x+3x+2-4

2x^4+12x^2-8

I think its B because the question does say that you have to multiply.

if sin=3 by 5 and cos =4 by 5 find tan​

Answers

Answer:

3/4

Step-by-step explanation:

[tex]tan = \frac{sin}{cos } [/tex]

=3/5/4/5

=3/5 × 5/4

=15/20

=3/4

Who can help me pronto i will give a brainliest

Answers

Answer:I think it would be C

Step-by-step explanation:

Answer:

1) B

-2x+y=4

+2x+3y=20.

4y=24

2) 4y=24. divide both sides by 4

y= 6

3) (Pick any equation you like, change y to 6)

-2x+6=4 subtract 6 to both sides

-2x=-2 divide by -2

x=1

or

2x+3(6)=20. --> 2x+18=20 subtract 18 to both sides

2x=2. divide by 2

x=1

4) (x,y) change the x and y to their values. (1,6)

Step-by-step explanation:

explained on top

What is the quotient of 1+ 3 Over 4 and 2 over 5

Answers

Answer:

2 1/2

Step-by-step explanation:

(These are fractions)

1+3 ÷ 2

4 5

(Simplify)

4 ÷ 2

4 5

(Same denominator)

20 ÷ 8

20 20

(Divide)

2 1/2

The equation y = 180 + 5x represents the amount the cheerleaders will pay a company for custom stadium blankets, where x represents the number of blankets purchased and y represents the total cost in dollars.
The equation y = 10x represents the club's income from selling the blankets, where y represents the money earned in dollars and x represents the number of blankets sold. The graph below represents this situation.
Assuming that the club members sell all the stadisum blankets they purchase, when will the club make a profit?
A-When 36 blankets are sold
B-When 360 blankets are sold.
C-When 37 or more blankets are sold.
D-When 35 or fewer blankets are sold.

Answers

..........The answer is C

A homeowner wants to fence her rectangular backyard. The yard is 63ft by 66ft. If fencing costs $2 per foot, how much will it cost to fence the yard?

Answers

Answer:

Step-by-step explanation:

Where are my smart friends?? I had $3.00. My Mom gave $10.00. My Dad gave $30.00. My Aunt and Uncle gave me $100.00. I had another $12.00. How much did I have?

Answers

Answer:

$155

Step-by-step explanation:

3 + 10 + 30 + 100 + 12 =

Answer:

$155

Step-by-step explanation:

3 + 10 + 30 + 100 + 12 = 155

You are by far, much richer than me

what is x10=22130 bc i have no idea

Answers

Answer:

x = 2213

Step-by-step explanation:

We need to find the value of x, which is multiplied by 10. We know that 10x = 22130, so all we need to do is divide both sides by ten.

10x ÷ 10 = x

22130 ÷ 10 = 2213

Therefore, x = 2213

NOTE:

I'm not sure if you meant to type x10, because if so, that's an entirely new equation. If you just meant 10x, you can ignore this.

To solve this, you have to take the root of both sides and solve.

Exact Form:

x  =  10 √ 22130 ,  − 10 √ 22130  

Decimal Form:  x = 2.71955684 … ,  − 2.71955684 …

Answer:

x = 2213

Step-by-step explanation:

22130/10 = 2213

3 (x + 7) = -12
x + 7 = ?
x = ?
Find out ? fast

Answers

Answer:

×=-11

Step-by-step explanation:

3x+21=-12

3×=-33

×=-11

Answer:

x=-11

x+7=-4

Step-by-step explanation:

3(x+7)=-12

3x+21=-12

3x=-12-21

3x=-33

x=-33/3

x=-11

-11+7=-4

compará y ordena de mayor a menor las siguientes cantidades 23.4 ,15/20 ,32.245,.056,4/10,50/100,8/9,.009,9/1000 y 54.45​

Answers

Answer:

El orden de mayor a menor es:

54.45 ; 32.245 ; 23.4 ; 8/9 ; 15/20 ; 50/100 ; 4/10 ; 0.056 ; 9/1000

Step-by-step explanation:

El mayor número será el que tenga el mayor entero, o  si tienen el mismo entero será aquel que tenga el primer decimal mayor de izquierda a derecha,  o si tienen el mismo se observa el siguiente decimal y así sucesivamente.

Para ordenar y comparar las cantidades es conveniente en primer lugar pasar todos los números a decimales. Para convertir una fracción en un decimal, debes dividir el numerador entre el denominador.

Entonces, en este caso el valor decimal de cada cantidad (o una aproximación) es:

23.4

15/20= 0.75

32.245

0.056

4/10= 0.4

50/100= 0.5

8/9= 0.8888

0.009

9/1000= 0.009

54.45​

Entonces el orden de mayor a menor es:

54.45 ; 32.245 ; 23.4 ; 8/9 = 0.8888 ; 15/20 = 0.75 ; 50/100 = 0.5 ; 4/10 = 0.4 ; 0.056 ; 9/1000 = 0.009

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