Mathematics High School

бx + 4y= 18 —бх+ бу = -18

Answers

Answer 1

Answer:

x= 3

y = 0

Step-by-step explanation:

•Add the two equations to cancel out +6x and -6x

•Find the value of y

•Substitute the value of y into equation 1 to find the value of x.

Hope I was able to help you:)

Related Questions

HELP 75 POINTS Enzo Drew triangle KLN In enzos triangle Angle K is represented as X degrees the measure of angle L is five times angle K the measure of angle in is 18° less than eight times in angle K which statements must be true about the angle measures of enzos triangle check all that apply

Answers

Answer:

whe are yoooooooooooooou from?

Ben is paid £9.60 per hour.
If he works for more than 7 hours in a day, he is paid overtime for the additional hours at a rate of 1.5 times his normal rate of pay.
Yesterday, Ben worked for 12 hours.
How much money did he earn

Answers

The answer is 85.20$

Answer:

u liar>>>>>>

Step-by-step explanation:

Select the three equations that have
Y= 8.1 as the solution.

Y + 2.9 = 11
12 - y = 8.1
2y + 1 = 17.2
9 + 7.2 - y = 8.2
28.4 - y = 20.3

Answers

Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3

Step-by-step explanation:

Answer:

Select all of the equations that have y=8.1 as the solution. Mark all that apply.

y+2.9=11

12-y=8.1

2y+1=17.2

9+7.2-y=8.2

28.4-y=20.3

Step-by-step explanation:

Select all of the equations that have y=8.1 as the solution. Mark all that apply.

y+2.9=11

12-y=8.1

2y+1=17.2

9+7.2-y=8.2

28.4-y=20.3

Write an equation in point-slope form of the line that passes through the points (2,4) and has the slope of 7

Answers

Answer:

y-4=7(x-2)

Step-by-step explanation:

y-y1=m(x-x1)

y-4=7(x-2)

What is the 100th term in the sequence 23, 21, 19, 17, 15 ....?
PLEASE HELP

Answers

Hey there!

We can see we are subtracting 2 every time, and we have 95 terms left fo figure out, so we multiply 95 by 2 and get 190, then subtract that from 15.

15 - 190 = -175, therefore, that's the the 100th term.

Have a terrifcly amazing day!

Answer:

you keep subtracting 2 every time, that's the pattern

Help with limits will give brainliest

Answers

Answer:

it because it prove the first condition so options c correct

The maximum distance (in nautical miles) that a radio transmitter signal can be sent is represented by the expression 1.23h√

, where h

is the height (in feet) above the transmitter.

Estimate the maximum distance x

(in nautical miles) between the plane that is receiving the signal and the transmitter. Round your answer to the nearest tenth.

Answers

Answer:

182.4

this website deleted my paragraph... TLDR; 182.4 is the answer

What is the equation.

For a field trip 4 students rode in cars and the rest filled nine busses. How many students were in each bus if there were 472 students on the trip.

4x - 9 = 472
4x - 9 = 472

4x + 9 = 472
4x + 9 = 472

9x - 4 = 472
9x - 4 = 472

9x + 4 = 472

Answers

9x + 4 = 472

Step by Step Explanation

We know there are 9 buses, but we don't know how many students are on the buses, so that makes the first part of the equation 9x.

We also know there are 4 students in cars, so we now have an equation of 9x + 4.

We also know there is a total of 472 students altogether, so now our final equation is 9x + 4 = 472

Candace has $15 more than Amar. Their combined money totals $85.Which system of equations represents this situation? *
A. c + a = 85 ; a + c = 15
D. a - c = 85 ; c - a = 15
C. c - a = 85 ; c + a = 15
B. c + a = 85 ; c - a = 15

Answers

Answer: c - a = 85 ; c + a = 15

Hope it helps

How many TERMS are there in 8.4n - 3.2p?

Answers

the are two terms in the expression

For each expression, use the Distributive Property to write an equivalent expression.

Answers

Answer:

a) 4(r+2) = (r+2)4

b) (6-8)•r = r•(6-8)

c) 8r+12 = 12+8r

d) 6x-9y = 9y-6x

e) 6x-4y-2z = 2z-4y-6x

Step-by-step explanation:

It's the same equation but its backwards

Hope this helps

Paula bought a ski jacket on sale for $4 less than half of the original price she paid $87 for the jacket what was the original price

Answers

Answer:

Original price was $91

Answer:

$182

Step-by-step explanation:

I hope this helps <3

HELP PLS PLS HELP

Tammy has a rectangular garden with an area (in square feet) that is represented by the
expression below where 10 < x < 20
x2 + 2x 3
Part 1: Find the expression for the length of the garden if the width is (x - 1) feet.
Part 2: Find the perimeter if x= 19

Answers

Answer:

let us suppose x is bredth

[tex]x2 + 2 \times 3[/tex]

[tex]2x + 6[/tex]

[tex]2x = - 6[/tex]

[tex]x = - 6 \div 3[/tex]

[tex]x = - 2[/tex]

NEXT STEP

[tex]( - 2 - 1)[/tex]

[tex] - 3 \: \: \: ans[/tex]

length = -3

PLEASE MARK ME AS BRAINLIEST

[tex] \sqrt{8} [/tex]

Answers

[tex] \sqrt{8} =2 \sqrt{2} [/tex]

Explanation :

[tex] \sqrt{8} [/tex]

[tex] = \sqrt{(4 \times 2)} [/tex]

[tex] = \sqrt{4} \times \sqrt{2} [/tex]

[tex] = 2 \sqrt{2} [/tex]

one side of a rectangle is 3 yards longer then twice the other side. if the perimiter is 27 yards, what is the lienghth of the other side

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

Can you still consider an equation quadratic in the absence of any or both and terms?why?

Answers

Answer:

The question is incorrect.

Which of the following accurately depicts the transformation of y= x^2 to the function shown below? y=2(x-3)^2+5
A. Shift left 3 units, shrink vertically to 1/2 of the original height, then shift up 5 units.
B. Shift right 3 units, stretch vertically by a factor of 2, then shift up 5 units.
C. Shift up 3 units, stretch horizontally by a factor of 2, then shift left 5 units.
D. Shift 5 units right, stretch vertically by a factor of 3, then shift up 2 units.

Answers

Answer:

Which of the following accurately depicts the transformation of y= x^2 to the function shown below? y=2(x-3)^2+5

A. Shift left 3 units, shrink vertically to 1/2 of the original height, then shift up 5 units.

B. Shift right 3 units, stretch vertically by a factor of 2, then shift up 5 units.

C. Shift up 3 units, stretch horizontally by a factor of 2, then shift left 5 units.

D. Shift 5 units right, stretch vertically by a factor of 3, then shift up 2 units.

Step-by-step explanation:

For f(x) = 4x+1 and g(x)= x^2-5, find (f/g) (x).

Answer:

B. Shift right 3 units, stretch vertically by a factor of 2, then shift up 5 units.

Step-by-step explanation:

just took the test

What kind of proportion tells that when one quantity is increasing or decreasing, the other quantity also increasing or decreasing? A. Direct Proportion B. Indirect Proportion C. Partitive Proportion

Answers

Answer:

Step-by-step explanation:

Direct proportion is when two numbers move in the same direction. If one of the numbers increase, the other number increases and if the one of the numbers decrease, the other number decreases. The magnitude of the movement of the numbers is bounded by a constant

The expression for direct proportion is

y ∝ kx

where k is the constant

let illustrate with an example :

If x = 10

k = 4

y = 10 x4 = 40

Find the values of x and y. Write your answer in simplest form.
5
Х
150°
The value of x is
The value of y is

Answers

Value of x is 5 radical 3
Value of y is 10

Please help ASAP. I am confused

Answers

Answer:

So if ∠X is 70° then ∠Y is most likely going to be 70° as well. So if you take 180° which is a straight line and subtract both of the 70°'s you'd get 40°. This answer seems pretty accurate to me.

Step-by-step explanation:

Hope this helps you out! :)

(If any question s put them below and I'll try my best to answer them)

Wind farms are a source of renewable energy found around the world. The power P (in kilowatts) generated by a wind turbine varies directly as the cube of the wind speed v (in meters per second). If a turbine generates 700 kW in a 12 m/s wind, how much power does it generate in a 6 m/s wind?

(The formula for P as a power function of v is P = a ⋅ v3.

A. 88 kW

B. 175 kW

C. 125 kW

D. 1050 kW

Answers

Answer:

New power = 88 Kw (Approx.)

Step-by-step explanation:

Given:

P = a(v³)

Old power p = 700 Kw

Old wind speed v = 12 m/s

Find:

New power when v = 6m/s

Computation:

P = a(v³)

700 = a(12³)

a = 0.4050 m²

New power = a(v³)

New power = (0.4050)(6³)

New power = 87.48

New power = 88 Kw (Approx.)

A smartphone has a screen that has a width of x and a height that is 1.8 times the width. The outer dimensions of the phone are shown.

Write an expression for the portion of the phone that is not occupied by the screen. Assume that the phone is rectangular.

Answers

Answer: 4.8x+3

Step-by-step explanation:

The portion of the phone that is not occupied by the screen is 4.9x + 3 cm².

What is Surface Area?

For each three-dimensional geometrical shape, surface area and volume are determined. The area or region that an object's surface occupies is known as its surface area. Volume, on the other hand, refers to how much room an object has. There are numerous shapes and dimensions in geometry, including sphere, cube, cuboid, cone, cylinder, etc. Each form has its own volume and surface area. Nevertheless, we can only estimate the area that two-dimensional figures like a square, circle, rectangle, triangle, etc. cover; there is no volume available.

As per the given data:

The width of the screen = x cm

Height of the screen = 1.9 times the width = 1.9x

Dimensions of the phone are given in the diagram.

The area of the screen = height × width

= 1.9x × x = 1.9x² cm²

The area of the phone = (1.9x + 3)(x + 1)

= 1.9x² + 1.9x + 3x + 3

= 1.9x² + 4.9x + 3 cm²

Area of the phone not occupied by screen:

= area of the phone - area of the screen

= 1.9x² + 4.9x + 3 - 1.9x²

= 4.9x + 3 cm²

Hence, the portion of the phone that is not occupied by the screen is 4.9x + 3 cm².

To learn more about surface area, click:

brainly.com/question/29298005

#SPJ2

(The given question is incomplete, the complete question is given below)

8) Na coluna de esquerda, encontram-se nomes de organelas erese, arata
importantes processos fisiológicos Marque a servenda que representa a oreado OPZETA
entre as duas colunas.
Organelas
1 - Ribossomos
2- Retículo
endoplasmático
3-Mitocôndria
4- Lisossomos
5 - Aparelho de Golgi
a) 1A, 2B, 3D, 40.5E
b) 18.2D, 3E, 4A. 50
c) 1C 2E, 34.40.58
d) 10.2B. BA4D.SE

Answers

a resposta será c. Espero que isso ajude você.

• ¿Qué nombre recibe la expresión x2- 324?

Answers

Answer: bro that is in spanish

Step-by-step explanation:

( 5/9-1/3 ) ÷2 plsss helpppppp

Answers

Answer:

1/9

Step-by-step explanation:

I think that you dont need an explanation, right?

if 8 becomes 6, what is its percent of decrease?

Answers

Answer:

Step-by-step explanation: im pretty sure sorry if not but it does seem right..

Answer:

it would be a 25% decrease

A study is conducted to determine the relationship between the number of farm workers and the number of days it takes to harvest a crop, The
data is represented in the scatter plot.
27
24
2
Days to Harvest Crop
10
11
12
3 6 9 12 15 18 21 24 27 303) 36 38 42
Farm Workers
Which statement best describes the data in the scatter plot?
O A. There are six outliers in the scatter plot
OB. There are two distinct clusters in the scatter plot.
O C. The data points indicate no association between the variables,
O D. The data points indicate a negative association between the variables.

Answers

Answer:

its D

Step-by-step explanation:

The correct alternative of the given ones is -

The data points indicate a negative correlation between the variables.

What is scatter plot? What is scatter plot matrix?A scatter plot is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. If the points are coded, one additional variable can be displayed.A generalized scatter plot matrix offers a range of displays of paired combinations of categorical and quantitative variables. A mosaic plot chart may be used to display two categorical variables. Other plots are used for one categorical and one quantitative variables.There are three types of scatter plots or charts: U-shaped, linear and exponential. These are the three most important ones: positive, negative, or no correlation.

Given is that a study is conducted to determine the relationship between the number of farm workers and the number of days it takes to harvest a crop. The data is represented in the scatter plot.

The correct statement of the given ones -

The data points indicate a negative correlation between the variables.

Therefore, the correct alternative of the given ones is -

The data points indicate a negative correlation between the variables.

To solve more questions on correlation, visit the link below -

brainly.com/question/28898177

#SPJ5

Which ordered pair is a solution of the equation? 5x+2y=12

Answers

Answer:d

Step-by-step explanation:i dont know

On a local sports team, 20% of 50 players are left-handed. How many left-handed players are on the team?

Answers

Answer:

Step-by-step explanation:

50 x 0.20 = 11

Answer:

Step-by-step explanation:

20 / 100 = 0.20 then you mulity 50 and 0.20. 50 * 20 = 10

the relationship between x and y is proportional. when x is 5 and y is 20. what is x when y is 80?

Answers

Answer:

porpotional relationship is = 0.25

80y=20x

Step-by-step explanation:

20y=5x

80y=20x

80 ÷ 20 = 4
x × 4 = 20

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бx + 4y= 18 —бх+ бу = -18​

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бx + 4y= 18 —бх+ бу = -18