Mathematics High School

10. Which point is the solution for this System of equation?

10. Which Point Is The Solution For This System Of Equation?

Answers

Answer 1

Answer:

Our X and Y make (2,-1)

Step-by-step explanation:

To find the point that is the solution for the system of equation, we must use the SUBSTUITION property,

[tex]2x+x-3=3\\[/tex]

Now let's solve this, by adding common terms

[tex]2x+x=3x\\3x-3=3[/tex]

Now we have to isolate the variable,

3x-3=3

Add 3 to both sides (opposite of the current)

3x=6 (DIVIDE three to both sides, to isolate the variable)

x=2 ( We know our x value is 2)

Now let's substitute this value into the Y.

y = 2-3 ( now subtract)

y= -1

Our X and Y make (2,-1)

Related Questions

If f(x) = 2x+ 4, find g(x) = (1/2)f(x).

Answers

ANSWER
g(x)= 1/2x+2, plus in the equation for f(x) into the g(x) equation

Anyone wanna help?please

Answers

Answer:

x=14

Step-by-step explanation:

(8x-4)+(6x-12)=180

14x-16=180

14x=196

x=14

Mariah took 4 quizzes in her class during the past month. Her scores were 92, 94, 100, and 83. What was her mean quiz score?

Answers

Answer:

Her mean quiz score is 92.25%.

Answer:

92.25

Step-by-step explanation:

Mean is the same as average. Add all the scores together and then decide by the number of scores.

(92+94+100+83)÷4

369÷4=92.25

PROBLEM SOLVING You need two bottles of fertilizer to treat the flower garden shown. How many bottles do you need to treat a
similar garden with a perimeter of 105 feet?

Answers

Answer:

5

Step-by-step explanation:

you divide 42 by 2,then get 21 so you divide that by 105 and get 5 :))

There are 1275 ants in 5 anthills how many are in 1 anthill?

Answers

Answer:

There are 255 ants in 1 anthill.

Step-by-step explanation:

Do the cross multiplication method. First set the equation as 1275/5 = x/1. Then cross multiply to get 5x = 1275. Divide both sides by 5 to get 255.

There are 225 ants in one ant hill

In New York, state sales tax rates vary by county. In Allegany County, the sales tax rate is 8 1 2 %. a. A book costs $12.99, and a video game costs $39.99. Rounded to the nearest cent, how much more is the tax on the video game than the tax on the book?

Answers

Answer:

$ 2.30

Step-by-step explanation:

Given that the sales tax rate [tex]= 8\frac{1}{2}\%=8.5\%[/tex]

The cost of the book is $ 12.99.

So, the tax on the book= 8.5% of 12.99

[tex]= \frac {8.5}{100}\times 12.99[/tex]

=1.10

So, the sales tax on the book is $ 1.10.

The cost of the video game is $ 39.99.

So, the tax on the book= 8.5% of 39.99

[tex]= \frac {8.5}{100}\times 39.99[/tex]

=3.30

So, the sales tax on the book is $ 3.40.

The difference of taxes on both the items = $ 3.40-$ 1.10=$ 2.30

So, the tax on the video game is $ 2.30 more than then tax on the book.


Convert to Standard Form
13-6x-y=0

Answers

I believe this is the answer 6x+y=13

Can some one help me ASAP please

Answers

Answer:

5

Step-by-step explanation:

5 is your answer because you just multiply 69x5 and you get 345. Hope this helps :)

Evaluate.
please help

me solve this

Answers

Answer:

[tex]1[/tex] [tex]\frac{1}{4}[/tex]

Step-by-step explanation:

Hope this helps

Answer:

[tex]1 \frac{1}{4} [/tex]

Step-by-step explanation:

[tex] \frac{( - \frac{1}{2} + \frac{3}{4}) }{ \frac{1}{5} }\\ \frac{1}{4} \div \frac{1}{5} \\ 1 \frac{1}{4} [/tex]

Find the value of X
(5x+4)°+(8x-71)°

Answers

Answer:

x = -4/5

Step-by-step explanation:

Solve for x:

(5 x + 4) (8 x - 71) = 0

Split into two equations:

5 x + 4 = 0 or 8 x - 71 = 0

Subtract 4 from both sides:

5 x = -4 or 8 x - 71 = 0

Divide both sides by 5:

x = -4/5 or 8 x - 71 = 0

Add 71 to both sides:

x = -4/5 or 8 x = 71

Divide both sides by 8:

Answer:  x = -4/5 or x = 71/8

what is the absolute value of 2+2i?

Answers

Answer:4

Step-by-step explanation:

Answer:

4 or 2

Step-by-step explanation:

The absolute value of the complex number, 2i, is 2.

A playgroup class has 80 students, and 20 teachers.
Ratio: 80:20
SIMPLIFY THIS RATION DOWN>

Answers

Answer: 4:1

Step-by-step explanation:

Divide by two to get in simplest form.

80 ÷ 2 = 40

20 ÷ 2 = 10

Make a ration with 40 and 10.

40:10

Make 40:10 simpler by dividing by 10.

40 ÷ 10 = 4

10 ÷ 10 = 1

Make 4 and 1 into a ration.

4:1

Answer:

4 : 1

Step-by-step explanation:

Given the ratio

80 : 20 ← divide both parts by 20

= 4 : 1 ← in simplest form

1 3/4 cups of flour per 1/8 cup of milk

Answers

Answer:

14

Step-by-step explanation:

Divide them.

14. You have to divide them.

Find x. Give reasons to justify your solution.

Answers

Answer:

x = 28

Step-by-step explanation:

Okay COB is vertical to AOB, so we know they equal the same. Right the equation this way.

3x + x + x + 12 = 152 (collect like terms)

5x + 12 = 152 (subtract 12 on each side)

5x = 140 (divide by 5 on each side)

x = 28

(PLUG IN)

3(28) + (28) + (28) + 12 = 152

84 + 28 + 28 + 12 = 152

152 = 152

Solve for k: 4k+5a−3=10−2k

Answers

Answer:

4k+5a_3=10_2k

4k+2k+5a=10+3

6k+5a=13

On Monday, you run treadmill for 1/2 hour at x miles per hour. On Tuesday, you walk the same distance on the treadmill, at 2 mph slower, and it takes you 3/4 hour.
How many miles did you run on the treadmill on Monday?

Answers

Distance = rate * time

Let r = rate

 

Distance is the same for both runs,  so:

.5r = D =  3/4(r - 2)

 

Distribute (and convert .5):

2/4r = 3/4r - 3/2

 

Subtract 3/4 r from both sides:

-1/4r = -3/2

 

Multiply both sides by -4 to get a solitary r:

r = -3 * -4 / 2

r = 3 * 2

r = 6 miles per hour

 

.5 hours * 6 mi/hr = 3 miles

 

check:

6 - 2 = 4

3/4 hours * 4 mi/hr = 3 miles

−9(4 − 3j)

A. 36 − 27j
B. 36 + 27j
C. −36 + 27j
D. 36 + j

Answers

Answer:

C

Step-by-step explanation:

-9×4

= -36

...

-9 × -3j = 27j

THEREFORE...

-36+27j

1/2*x=3/4(x-2) what is the answer?

Answers

Answer:

x=6

Step-by-step explanation:

1/2x=3/4(x-2)

1/2x=3/4x-1.5      (distribute)

+1.5    +1.5

1/2x+1.5=3/4x

-1/2x     -1/2x

1.5=1/4x

6=x

hope this helps

brainliest?

help i need the question now lol

Answers

Answer:

no yes no yes

Step-by-step explanation:

Im pretty sure thats correct

Answer:

no yes yes no

Step-by-step explanation:

hope this help;)

8oz./1 cup = ?/12 cups. How many ounces are in 12 cups?

Answers

Answer:

12cups=96oz.

Step-by-step explanation:

multiply the volume value by 8

12 oz equals 1.50 cups. 1 ounce is equivalent to 0.125 cups, and there are 1.50 cups in 12 ounces.

please help me!!!!!!!!!!!!

Answers

The value of x is 3. Hope this helps
The value of x is 3 hope you did well

Using the ordered pair below, what would be it's new location if it were translated with the rule (x - 4. y + 6)?

Answers

Answer:

Where is the ordered pair?

Step-by-step explanation:

I need help with this riddle rq

Answers

$0.12 for a dozen, so $0.01 per one egg; 100 eggs for $1.00 (if they’re only sold in dozens, then 96)
12 eggs for 12 cents is 1 cent per egg. Therefore 100 cents, or $1 per 100.

What single decimal multiplier would you use to decrease by 6% followed by a 19% increase?

Answers

Answer: 13% increase?

Step-by-step explanation: 19-6=13 which means it would be 1.13 the original amount?

Answer:

1.13

Step-by-step explanation:

A 6% decrease would be 0.94 and a 19% increase after that would be 1.13

HELP 50 POINTS!!!!
1. chef lee made a recipe of soup whih yields 30 cups if he puts 1 1/4 cups of soup in each serving how many servings does he have
2. Find the scale factor
Please explain how you got your answer, If you're gonna answer, At-least answer both or don't answer at all. xo

Answers

1. Divide total quantity by serving size:

30 cups / 1 1/4 cup per serving =

30/1.25 = 24 servings.

2. Length of side of larger rectangle = 24

Length of side of smaller rectangle = 8

The scale factor of larger to smaller = 8/24 = 1/3

Scale factor is 1/3

Evaluate the following expression when a = -3, b = 2,c=5, and
d= -4.
5ac - 26

Answers

Answer:

-101

Step-by-step explanation:

5ac - 26

5 × -3 × 5 - 26 (since a = -3 & c = 5, you substitute them)

-15 × 5 - 26

- 75 - 26

- 101

I hope this is helpful.

please help will mark brainlist ​

Answers

Answer: Correct me if im wrong but i strongly suggest (A.)

Answer:
Regular hexagons
Explanation:
The only regular polygons that can tessellate a plane are regular triangles, squares and regular hexagons.

Solve for x:
3x-3=x-19

Answers

Answer: x = -8

Step-by-step explanation: 2x=-16, x=-8

Answer:

-8

Step-by-step explanation:

3x - 3 =x - 19

3x - x =-19 +3

2x =-16

x=-16 :2

x=-8

You are helping to prepare a large kettle of chicken noodle soup. You need to peel 60 carrots. You have peeled 18 carrots already. It has taken you 9 minutes to peel the 18 carrots. How many more minutes will it take you to peel the rest of the carrots?

Answers

Answer:

21 minutes

Step-by-step explanation:

60 - 18 = 42

18 carrots ÷ 9 minutes = 2 carrots per minute

42 ÷ 2 = 21

Is anyone good a geometry

Answers

Answer:

IT dependsssss

Step-by-step explanation:

what kind?

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