Mathematics High School

solve and show ur work

-2x + 6y = 6
y = 2x + 11

Answers

Answer 1

Answer:

(x, y) = (-6, -1)

Step-by-step explanation:

-2x + 6y = 6

y = 2x+11

By substituting the value of y (second equation) into the first equation, we get

-2x + 6(2x+11) = 6

-2x+12x+66 = 6

10x = -60

x = -6

So, y = -1

Related Questions

The zeros for f(x) = x4 – 3x3 – 4x2 + 12x
are
A. (0,2,3)
B. (0, +2,3)
C. (0,2-3)
D. (0, 2, +3)

Answers

Answer: A

Step-by-step explanation: I got 0,-2,2,3

Find the mean of this set of numbers 42,78,81,23,12

Answers

Answer:

47.2

Step-by-step explanation:

add all the numbers(42,78,81,23,12) then divide by the total amount of numbers(5) which will result in it being 47.2.

Answer:

47.2

Step-by-step explanation:

Total Numbers in Set:  5

Mean (Average):  47.2

Median (Middle):  42

Mode (Most Common):  No Mode of this set

Range (Biggest - Smallest):  69

Ascending Order:  12,23,42,78,81

Decending Order:  81,78,42,23,12

Even Numbers:  12,42,78

Odd Numbers:  23,81

I need help quick because it’s timed.

Answers

If IJ is 6 then LJ is most likely 3

Question Help
Temperature Suppose there is a 1.3°F drop in temperature for every thousand feet that an
airplane climbs into the sky. If the temperature on the ground is 46.3°F, what will be the
temperature when the plane reaches an altitude of 11,000 ft?
The temperature will be
°F (naan

Answers

Answer:

662090 thank me later god bless

Patrick drives from P to Q at an average speed of 40 mph. His drive back from Q to P is at an average
speed of 45 mph and takes two minutes less.
How far, in miles, is it from P to Q?

Answers

Answer:

The answer is 12

Answer:

12

Step-by-step explanation:

Simple

How come two negatives make a positive, but three negatives makes a negative? Does this have to do with there being an odd/even amounts of negatives and cancelling each other out?

Answers

Okay well work step by step. If there is three negatives, you first want to multiply the first two negatives. Your number will come out positive but you are still left with one more negative. so you will multiply the positive number with the negative number which comes out with a negative number.

Volume?? Please help giving out brainliest and 12 points for answering

Answers

Answer:

1395

Step-by-step explanation:

Since the Hight of the rectangular prism is 7 we can subtract that from 17 to get 10 for the Hight of the pyramid

volume of rectangular prism is 15·9·7=945

volume of pyramid is (15·9·10)/3=450

add

450+945=1395

1) Calculate the quotient 2166 / 38

Answers

Answer:

57

Step-by-step explanation:

2166/38=57

Answer: 57

Step-by-step explanation:2188 divided by 38 =57

i need help anyone know

Answers

Answer:

yes ur correct its nonlinear lol

Step-by-step explanation:

1. 7 x ____ = 70

2. 86 x 10 = ____

3. 830 = ____ tens

4. ____ tens = 960

5. 10 x 61 = ____

6. 830 x 10 = ____

7. 1080 = ____ tens

8. ____ x 10 = 610

9. 135 x 10 = ____

10. 100 x 10 = ____

11. ____ x 10 = 790

12. ____ tens = 3700

13. 340 = ____ tens

14. 358 x 10 ____

Answers

Answer:

1. 7×10=70

2. 86×10=860

3. 830=3 tens

5. 6 tens=960

6. 10×61=610

7. 830×10=8300

8. 1080= 8 tens

9. 61×10=610

10. 100×10=1000

11. 79×10=790

12. 0 tens= 3700

13. 340= 4 tens

14. 358×10=3580

Answer:

9

Step-by-step explanation:

Test Prep Which of the following measurements is equivalent to 528 feet?
Select all the correct answers.

44 inches
6,336 inches
0.1 mile
176 yards
5,280 inches

Answers

Answer:

6,336 inches, 0.1 mile, and 176 yards

Step-by-step explanation:

I just looked it up lol

Simplify the following expression,

3 + 4(2b - 5)

Answers

Answer:

8b−17

HOPE I HELP BRAINLYY PLZZZ

Evaluate when x = -3 and y= -1:

Answers

Answer:

-3 + -1

Step-by-step explanation:

On Saturday Tami petaled to the state park at 21 mi/hr. After lunch she rode back at 14 mi/hr. if her total riding time was 5 hours, how far was it to the park?

Answers

Help us out please I need this answer right answer too.

Who knows both of them ??? pleaseee

Answers

Step-by-step explanation:

question 13: false

question 14: 1

please help me on this will give you brainliest

Answers

Answer:

I believe the answer is 6.6600 pls let me know if im wrong

Step-by-step explanation:

Answer:

Six and Sixty-six ten thousandths in deciamal form- 6.0066

:)

Bill is h cm tall. Sienna is 4 cm taller than Bill. What is the expression in terms of h for sienna height in centimeters.

Answers

The expression in terms of h for siennas height would be h+4 because sienna is 4 cms taller than bill and bills height is equal to h
It’s 4 the question said it

The formula for the gravitational potential energy of an object is U = mgh, where U represents the potential energy, m represents the mass of the object, g represents the acceleration due to gravity, and h represents the object’s height above the ground. Solve this formula for h.

Answers

U=mgh

U/m=gh

U/mg=h

therefore:

h=U/mg

The solution for h is h = U / (mg),

where U represents the potential energy, m represents the mass of the object, and g represents the acceleration due to gravity.

Here, we have,

To solve the formula U = mgh for h (the height above the ground),

we need to isolate h on one side of the equation.

Here are the steps:

Start by dividing both sides of the equation by mg:

U / (mg) = (mgh) / (mg)

This simplifies to:

U / (mg) = h

Now we have isolated h on one side of the equation.

Therefore, the formula for h is:

h = U / (mg)

So, the solution for h is h = U / (mg),

where U represents the potential energy, m represents the mass of the object, and g represents the acceleration due to gravity.

To learn more on equation click:

https://brainly.com/question/14468218

#SPJ6

Brainliest for the correct answer!

Answers

Step-by-step explanation:

(4z +9) + ( 9y - 2) =180

4z + 9y = 173 ....... Equation 1

The angles of triangle = 180

We miss one angle and in opposite of that angle is 135 so

( 5y +5 +4z +9)+135 = 180

5y + 4z + 149 = 180

5y + 4z = 31 ....... Equation 2

Subtract between two equations 1 & 2

4y = 142

y = 142/4

y = 35.5

what has the greatest value 3/10 or 1/2 or 2/5

Answers

Answer:

1/2, 2/5, 3/10 is the order

Step-by-step explanation:

create common denominators then you can tell by the numerator.

3/10=3/10

1/2=5/10

2/5=4/10

Is this a function? Yes or no
{(2,5), (3,6), (4,7), (5,8), (6,9)}

Answers

Answer:

No

Hope I helped!

Step-by-step explanation:

Answer: no

Step-by-step explanation: the domain value 6 is paired with both 9 and 10. 3. {(2, 2), (−1, 5), (5, 2), ... yes. 28. {(4, 5), (3, −2), (−2, 5), (4, 7)}. ANSWER: no. 29. y = −8 no.

Quadrilateral abcd is transformed to create A’B’c’d’ match the coordinates of A’ with the transformations that create it

Answers

Answer:

its easy!

Step-by-step explanation:

Answer:Quadrilateral ABCD is transformed to create A′B′C′D′. Match the coordinates of A′ with the transformations that create it. (2, 4) (2, 1) (6, 12) (4, -5) (-2, 4) (2, -4) (6, -12) (-4, 5) Quadrilateral ABCD is reflected over the x-axis. arrowRight Quadrilateral ABCD is translated 2 units right and 1 unit down. arrowRight Quadrilateral ABCD is dilated by a scale factor of 3. arrowRight Quadrilateral ABCD is rotated 180° clockwise about the origin.

A plane starts at the origin of the coordinate plane The plane flies 0.5 units left and 3.5 units up to point X. What are the coordinates of point X?​

Answers

Answer:

(-0.5, 3.5)

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

I need help with this ​

Answers

Answer:

Step-by-step explanation:

9/I0 x 2/2 =9/I0

Or 0.9 in decimals

Answer:

The answer is IN the question... (9/10)

Step-by-step explanation:

Ok well you multiply the numberator and denominator by 2 which makes 18/20 but OH THAT CAN BE SIMPLIFIED SO DIE FRACTION! so then you divide both sides by 2 and you get the original 9/10

plz brainliest :)

Factorise 2x^2 + 5x + 2

Answers

Answer:

(x+2)(2x+1)

Step-by-step explanation:

x times 2x is 2x^2

x times 1 is x

2 times 2x is 4x

2 times 1 is 2

Overall

2x^2+x+4x+2

add x and 4x:

2x^2 + 5x + 2

So (x+2)(2x+1) is the answer

Answer:

( x + 2 ) , ( 2x + 1 )

Step-by-step explanation:

2x² + 5x +2

2x² + 4x + x +2

2x ( x + 2 ) +1 ( x + 2 )

( x + 2 ) , ( 2x + 1 )

hope it will help you

plz follow me

everyday finn brushes his teeth 3 times , for 2 min each time , he flosses twice a day , for 5 minutes each time. In a year , how much time does finn spend brushing and flossing his teeth?​

Answers

Answer:

5,840 minutes

Step-by-step explanation:

Assuming there are 365 days in a year. If finn brushes his teeth 3 times , for 2 min each time then the time spent to brush his teeth in  a day

=3 * 2 minutes

= 6 minutes

If he flosses twice a day , for 5 minutes each time, then the time spent in a day to floss

= 2 * 5 minutes

= 10 minutes

Hence total time spent in a day brushing and flossing

= 6 + 10

= 16 minutes

Hence the time spent in  a year brushing and flossing

= 16 * 365

= 5,840 minutes

Sydney says the slope of this line is 6/4
.

Deja says, "No, the slope of this line is 1.5"

Who is correct?
Sydney
Deja
Both
Neither

Answers

Answer:

Both

Step-by-step explanation:

Bc, 6/4 is equal to 1.5

Answer:

Both

Step-by-step explanation:

If you think about it, 6/4 is the same thing as 1.5, 6/4 is in the fraction form and 1.5 is in the decimal form. So, Deja and Sydney are both correct.

Hope this helps :D

HELP I WILL GIVE YOU 20 POINTS

Answers

Maby c I may be wrong
I believe the answer is C

im not good at scatter plots.​

Answers

Answer: point B

Step-by-step explanation: it does not follow along with most of the other dots

Below is a table of revenue and cost, in thousands of dollars, of a business. Use the best fit line to estimate the number of months until the business is no longer profitable.

Answers

Answer: It's 18

Step-by-step explanation: i took it and got it right

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