Mathematics High School

is (3,2) a solution to 3x + 2y =13​

Answers

Answer 1

Answer: yes

Step-by-step explanation:

(3*3) + (2*2) = 9+4 = 13 which is what the other side of the equation states so it is a solution

Answer 2

Answer:

Yes

Step-by-step explanation:

Plug the 3 into the x and plug the 2 into the y from (3,2)

So you get, 3(3) + 2(2)=13

9+4=13

Related Questions

Need help please help.

What are the answers for this and please explain thank you.

Answers

slope is 3/4
the equations is y=3/4x+5
don’t know the vertical intercept
no
no

what does angle DFE= in degrees?
Type only number for answer​

Answers

answer: 40°

explanation: angle AFB and DFE are vertical angles meaning they share the same measurements

Which quadrilaterals must have at least one pair of congruent sides? Check all that apply.
square
rectangle
parallelogram
rhombus
trapezoid
kite

Answers

Answer:

All of the following except a trapezoid

Step-by-step explanation:

I checked it

A square, rectangle, parallelogram, rhombus and kite have at least one pair of congruent sides.

Quadrilateral

A quadrilateral is a polygon that has four sides and four angles. A square, rhombus is a quadrilateral in which all sides are congruent.  A rectangle, parallelogram is a quadrilateral with opposite congruent sides.

A kite is a quadrilateral that has adjacent congruent sides.

A square, rectangle, parallelogram, rhombus and kite have at least one pair of congruent sides.

Find out more on Quadrilateral at: https://brainly.com/question/23935806

Can someone help me with the questions in the picture?

Answers

Answer:

9. Perpendicular

10. neither

11. Perpendicular

12. neither

Step-by-step explanation:

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

Slope Intercept Form: y = mx + b

* M is the slope

* B is the y intercept

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

Lines are parallel if they have the same slope (ex. If two equations have a slope of 2)

Lines are perpendicular if they have the opposite and the reciprocal slope (ex. If 1 equation has a slope of 3 and another equation has a slope of - [tex]\frac{1}{3}[/tex] )

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

9. Perpendicular: The slopes are reciprocal of each other and one of them is negative

10. Neither: The lines are not perpendicular because the slopes are both negative

11. Perpendicular: If you plot y=5 it is a horizontal line through 5. If you plot x=-3 it is vertical line through -3. These lines intercept and are perpendicular.

12. Neither: The slopes of both equations need to be the same to be parallel

Put both equations into y=mx+by = 1/2x -2 AND y = -1/2x -2

A 1-litermbottle of orange juice used to cost $2.85 at a food market. its price has increased; the new price is 110 percent of the original price. What is the new price? Round your answer to the nearest cent

Answers

the new price is $3.14

Replace the ? with a number that balances the equation. -3.4 = -2 + ? ​

Answers

Answer:

?=-1.4

Step-by-step explanation:

The number that fits the ? is -1.4. Hope it helps!

Answer:

-1.4

Step-by-step explanation:

A linear function has the same y-intercept as x + 4y = 8 and its graph contains the point (5,3). Find the slope of the linear function. Write the slope in fraction form.​

Answers

Answer:

x - 5y = - 10

Step-by-step explanation:

y = mx + b (b is y-intercept)

m = [tex]\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex]

~~~~~~~~~~~~

x + 4y = 8 ⇔ y = [tex]-\frac{1}{4}[/tex] x + 2 ⇒ y-intercept is 2 and coordinates of y-intercept are (0, 2)

(5, 3)

m = [tex]\frac{3-2}{5-0}[/tex] = [tex]\frac{1}{5}[/tex]

y = [tex]\frac{1}{5}[/tex] x + 2 (slope-intercept form)

x - 5y = - 10 (standard form)

HELP ME PLEASE, ASAP I JUST NEED X !!

Answers

Answer:

x = 6 deg

Step-by-step explanation:

14x + 11 = 16x - 1 (corresponding angles, // lines)

-2x = -12

x = 6

Answer:

C

Step-by-step explanation:

16x - 1 and 4x + 11 are corresponding angles and are congruent, thus

16x - 1 = 14x + 11 ( subtract 14x from both sides )

2x - 1 = 11 ( add 1 to both sides )

2x = 12 ( divide both sides by 2 )

x = 6

Substitute x = 6 into either of the 2 equal angles

Substituting into 14x + 11 , then

14x + 11 = 14(6) + 11 = 84 + 11 = 95° → C

What is the result of the arithmetic operation?
3**4 =

Answers

Answer:

81

Step-by-step explanation:

i did le math, and its right on ed2020

freeeeeeeeeeeeeeeeeeeeeeer pointk​

Answers

welp thank you for this

given the equation 9x+3Y=7 which equation is perpendicular to an equation with a y intercept of 12

Answers

The answer is y=3x+12

(9x2 – 8) + (9x2 + 9x + 3)

Answers

Answer:

18x2 +9x -5

Step-by-step explanation:

combine like terms

I need help, please, I'm not that good at math

Answers

Answer:

Please help me

Step-by-step explanation:

Answer:

Its D

Step-by-step explanation:

does anyone know this?

Answers

1.37x10^9 is the correct answer:)

Answer:

1.37×10^9 is in scientific notation

what is 358.21 rounded to the nearest hundreth?

Answers

Answer:

358.2

Step-by-step explanation:

thats the answer because .21=.2

Sovle -5x + 8 < - 2x + 23

Answers

Answer:

_3x>+31 but I am not sure

Step-by-step explanation:

-5x<-2x+8+23

-3x>+31

Answer:

x > -5

Step-by-step explanation:

1.) Add +5x on both sides

-5x + 8 < - 2x + 23

+5x         +5x      

8    <    3x + 23

2.) Subtract 23 from both sides

8    <    3x + 23

-23            -23

-15  <  3x

3.) Divide by 3 on both sides

-15 <  3x

 3        3

-5 < x

Because you divided by a negative, the sign flips

-5 > x

87% of 70 do not round

Answers

Answer:

60.9

Step-by-step explanation:

Find the equation of the line that passes through points a and b.
Please help, will award brainliest.

Answers

Find slope (y2-y1)/(x2-x1)
(-1-7)/(-3-1) = -8/-4 = 2
Y = 2x + b
Plot in point
7 = 2(1) + b, b = 5
Equation: y = 2x + 5

If -2x+4= 8, will x be positive or negative? Without solving the equation, explain how you know.


​

Answers

Answer:

x is negative

Step-by-step explanation:

I know x will be negative without solving the equation because we can see that both sides equal positive 8 and for -2x to be positive the x value must be negative. when two negative values are multiplied they change into positive. If the x value was Positive this equation would be false.

Hope this helps you

Answer:

Yes, x will be negative.

We are given:

-2x + 4 = 8

This means that "something", in this case -2x, added to 4, equals 8

The only thing that can add to 4 and equal 8 is 4.

So, that means -2x has to equal 4, which is a positive number.

Negative x negative = positive.

-2 is already a negative number, so x has to be a negative number.

angle of elevation and depression​

Answers

Answer:

Solved Examples on Angle of Depression: 1. From the top of a tower, a man finds that the angle of depression of a car on the ground is 30°. If the car is at a distance 40 metres from the tower, find the height of the tower.

Step-by-step explanation:

Express 4/10 as a decimal number, and identify another decimal number that is equal to it. 4/10 expressed as a decimal number is ___, which is equal to ___

Answers

Answer:

Step-by-step explanation:

Decimal number in mathematics is one in which the whole number and the fractional part is separated by a decimal point

If we divide 4 by 10 it will give us a a decimal number which was done below

4/10

=0.4

And also if we divide 40 by 100 we will still have a decimal of 0.4

0.4=40/100

Express 4/10 as a decimal number, and identify another decimal number that is equal to it. 4/10 expressed as a decimal number is 0.4 which is equal to _40/100__

-5 2/3 + 3 1/4 + -7 1/3

Answers

-9.5

I think I might be wrong

3 divided by 2/5

100 points!!!!!!!!!!!!!! :P

Answers

Answer: its 7.5

Step-by-step explanation:you have a blessed thanksgiveing!

Answer:

7.5

Step-by-step explanation:

thank you!!!!

Here is the other question
Part A and B are done

A. Lesson
1. Describe the formula for slope in words and with an equation.
M=y^2-y^1/x^2-x^1
1. What is the slope of all horizontal lines? What is the slope of all vertical lines?
The slope of all horizontal lines is 0. The slope of all vertical lines is undefined.


B. Lesson Content
3. Copy and paste the 3-step procedure for finding the slope using the formula.

4. Use Example 3 as your model for the following: In the 2000 census, the population was 8000; in the 2010 census, the population was 7500. Find the rate of growth for the town. Show the 3-step procedure, as well as the final answer in words.
A(200(x1), 8000(y1)) and B(2010(x2), 7500(y2))
M=(y2-y1)(x1-x2)=7500-8000/2010-2000
M=-50=50 people per year decrease



C. Write the slope-intercept (y = mx + b) form of the equation from the information given. Show your steps as done in the lesson content to earn credit.

Answers

Answer:

Step-by-step explanation:

Slope is m

in this case slope is -50

b is the y-int,

in this case the y-int is 8000

so your equation: y = -50x + 8000

Mike has a loan of $36,320. This loan has a simple interest rate of 6% per year. What is the
amount of interest that will be charged on this loan at the end of the first year?
Help:(

Answers

Answer:

ummm well that hard let me solve it real quick

Step-by-step explanation:

:/

Need help ASAP!! Write an informal proof to show triangles ABC and DEF are similar.

Answers

Answer:

Δ ABC and Δ DEF are similar because their corresponding sides are proportional

Step-by-step explanation:

Two triangles are similar if their corresponding sides are proportional which means the corresponding sides have equal ratios

In the two triangles ABC and DEF

∵ AB = 4 units

∵ DE = 2 units

∴ [tex]\frac{AB}{DE}=\frac{4}{2}=2[/tex]

∵ BC = 6 units

∵ EF = 3 units

∴ [tex]\frac{BC}{EF}=\frac{6}{3}=2[/tex]

∵ CA = 2 units

∵ FD = 1 units

∴ [tex]\frac{CA}{FD}=\frac{2}{1}=2[/tex]

∴ [tex]\frac{AB}{DE}=\frac{BC}{EF}=\frac{CA}{FD}=2[/tex]

∵ All the ratios of the corresponding sides are equal

∴ The corresponding sides of the two triangles are proportional

∴ Δ ABC is similar to Δ DEF

who good with graphs

Answers

Not me I suck at them

The football team has a total of jerseys 20 There are 14 ​medium-sized jerseys. What percent of the jerseys are​ medium-sized jerseys?

Answers

Answer:

I think it's 70%.

Solve 1/2x−5=10−3/4x . Check your solution.



x= __

Answers

Answer:

12

Step-by-step explanation:

can you please answer my question too? it is due soon

Answer:

x = 12

Step-by-step explanation:

1/2x-5=10-3/4x

add 5 to both sides

1/2x=15-3/4x

add 3/4x to both sides

1/2x + 3/4x = 15

2/4x + 3/4x = 15

5/4x = 15

divide both sides by 5/4

x = 15 * 4/5

x = 60/5

x = 12

x + 4 < 6
Drag your dot to a possible solution for the inequality.

Answers

Answer:

An open circle at 2, and an arrow facing left.

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