2x + 5y = 16
y + 4x = 3

Answers

Answer 1

Answer:

If your solving for x on the first one it’s x =−5/2y+8

If your solving for y on the second one it’s y =−4x+3

Step-by-step explanation:


Related Questions

Vektor i adalah vektor satuan yang searah dengan sumbu X (dalam dimensi dua). Vektor jika dinyatakan dalam bentuk kolom adalah....

Answers

Answer:

[tex]v=\left[\begin{array}{ccc}1i\\0j\end{array}\right][/tex]

Step-by-step explanation:

We know that the given unit vector is in the direction of the x-axis.

Remember that an unit vector is a vector which magnitude is the unit, that's why is called like that.

So, the given unit vector can be written as [tex]v=1i+oj[/tex], where [tex]i[/tex] indicates the horziontal coordinate and [tex]j[/tex] indicates the vertical coordinate.

As a vertical or colum vector would be

[tex]v=\left[\begin{array}{ccc}1i\\0j\end{array}\right][/tex]

Therefore, the answer is

[tex]v=\left[\begin{array}{ccc}1i\\0j\end{array}\right][/tex]

287 times what equals to 3,400

Answers

Answer:

11.85

Step-by-step explanation:

Answer: 11.8466898955

sorry it is such a weird number. That is just the facts.


Write an equation in slope-intercept form for the line that passes through (−5,−2) and is perpendicular to the line described by y=5/3x+2.

Answers

Answer:

Step-by-step explanation:

y + 2  = (-3/5)(x + 5)

y + 2 = (-3/5)x - 3

y = (-3/5)x - 5

Need help please I don’t know it

Answers

Answer:

its h

Step-by-step explanation:

3/4th of 16 is 12

I also agree it’s H


The circle above has a radius of 12 cm. What is the area of the circle? Use = 3.14

Answers

Answer:

452.39

Step-by-step explanation:

C=[tex]\pi[/tex]r 2

C= 3.14 times 12(2)

Look at the attached picture

Hope it will be helpful to you...

If a wiggling string has a natural frequency of 34.5 Hz to produce 4 harmonics, what is the period of the string?

Answers

Answer:

[tex] T = \frac{1}{f}[/tex]

And replacing we got:

[tex] T = \frac{1}{34.5 Hz}= 0.0290 s[/tex]

And then we can conclude that with the conditions given the period of the string would be 0.0290 s

Step-by-step explanation:

For this case we know the frequency associated to the 4 harmonic.

We know that by definition the frequency is the inverse of the period:

[tex] f= \frac{1}{T}[/tex]

If we solve for the period we got:

[tex] T = \frac{1}{f}[/tex]

And replacing we got:

[tex] T = \frac{1}{34.5 Hz}= 0.0290 s[/tex]

And then we can conclude that with the conditions given the period of the string would be 0.0290 s

Question 25

.........................................................

Answers

Answer:

its c

Step-by-step explanation:

Please help giving brainlest out oh and 20 points

Answers

question number one is 15 ft

question number two is 7 MI

tbh i forgot how to do the 3rd one

Answer:

question number one is 15 ft

question number two is 7 MI

tbh i forgot how to do the 3rd one

Step-by-step explanation:

The circumference of the inner circle is 22 ft. The distance between the inner circle and the outer circle is 4 ft. By how many feet is the circumference of outer circle greater than the circumference of the inner​ circle? Use 22/7 for pi.
(Two circles have the same center. One circle lies inside of the other. The distance between the two circles is labeled 4 feet.
4 ft)
The circumference of outer circle is about
____ ft greater than the circumference of the inner circle.
​(Round to the nearest tenth as​ needed.)
HOW MANY FEET GREATER IS THE CIRCUMFERENCE OF THE OUTER CIRCLE THAN IT IS OF THE THE INNER CIRCLE *ROUND TO THE NEAREST TENTH*
answer fast please!

Answers

Answer:

25.1

Step-by-step explanation:

1. Find the radius of the inner circle

(the formula for the circumference of a circle is [tex]C=2\pi r[/tex])

To find the radius of the inner circle, you would plug in the given information so that your equation looks like this:

[tex]22=2(\frac{22}{7} )r[/tex]

then solve for [tex]r[/tex]

[tex]r=3.5[/tex]

2. add [tex]4[/tex] to the radius of the inner circle

[tex]3.5+4=7.5[/tex]

3. find the circumference of the outer circle using [tex]7.5[/tex] as the radius

[tex]C=2(\frac{22}{7})7.5[/tex]

[tex]C=47.1[/tex]

4. Subtract the circumference of the inner circle from the circumference of the outer circle

[tex]47.1-22=25.1[/tex]

     

What is the volume of the cone below?

Answers

Where’s the Picture of the cone

At the amusement park each students is given $16 dollars for food. This covers the cost of 2 meals plus $4 for snacks. how much money does the school expect each student to spend per meal. Which equation can be used to represent this situation? plz help now if u can

Answers

It will take 4$ for a meal because 16/2meals is 8 - 4 dollars for snack is 4

Answer:

16 = 2x + 4

Step-by-step explanation:

The total amount of money they are given is $16. That is split up into 2 equal groups with 4 left over. So you'd have to subtract 4 from both sides. Then divide both sides by 2. This will give you the answer to how much money they expect the students to spend on food.

05.01 MC)
What is the equation in point-slope form of the line passing through (0, 5) and (−2, 11)? (5 points)

Question 4 options:

1)

y − 5 = −3(x + 2)

2)

y − 5 = 3(x + 2)

3)

y − 11 = −3(x − 2)

4)

y − 11 = −3(x + 2)

Answers

the answer is number 2)

9) A cooler contains eight bottles of sports
drink: four lemon-lime flavored and four
orange flavored. You randomly grab a
bottle and give it to your friend. Then,
you randomly grab a bottle for yourself.
You and your friend both get lemon-lime.
Are the events independent or dependent?
What is the probability?

Answers

Answer:

dependent. 2/8=1/4

Step-by-step explanation:

Factor the polynomial.
18j4k - 30j75 + 54;3

Answers

Answer:

72jk - 2250j + 54.3

Step-by-step explanation:

Multiply the numbers 18 times 4 = 72

72jk - 30 times 75j + 54.3

Multiply 30 and 75 = 2250

72jk - 2250j + 54.3

The data below shows numbers of hours mes Díaz volunteered at the library each month for eight months. 20,12,27,23,18,20,30,26. the mean of the data is 22 hours. What is the mean absolute deviation of the data?

Answers

Answer:

help :(

Step-by-step explanation:

Answer:4.5

Step-by-step explanation:

Mr. Morris asked Rob to shovel the snow from his driveway every day that it snowed during the month of January. He agreed to pay Rob $0.01 for the first day, $0.02 for the second day, $0.04 for the third day, $0.08 for the fourth day, and so on. If it snowed for 13 days in January, how much would Mr. Morris pay Rob on the 13th day?

Do not answer if you do not know. Only good answers with explanations.

Answers

Answer:

Total amount to be paid on 13th day is $40.96.

Step-by-step explanation:

Mr. Morris pays Rob $0.01, $0.02, $0.04 ..... on 1st, 2nd , 3rd .... day respectively.

We can clearly see that the next number is becoming double of the previous value.

The above sequence of numbers are in a Geometric Progression with  

First term, a = 0.01 and

Common ratio, r = 2

We have to find the total amount paid on 13th day.

We know that the [tex]n^{th}[/tex] term of a GP is given by:

[tex]a_{n} =ar^{n-1}[/tex]

Where, a is the first term of GP

r is the common ratio

We have to find the [tex]13^{th}[/tex] term of the GP as per question statement.

Putting the values in the formula above:

n = 13

a = 0.01 and

r = 2  

[tex]a_{13} = 0.01 \times 2^{13-1}\\\Rightarrow 0.01 \times 2^{12} \\\Rightarrow 0.01 \times 4096\\\Rightarrow 40.96[/tex]

Total amount to be paid on 13th day is $40.96.

Which ratio is equivalent to the scale kom?
1:50
1:51
50:1
49:50

Answers

Answer:

50;1

Step-by-step explanation:

cause

1:51 because of the ratios

Evaluate.
Remember Order of Operations!
PEMDAS)
100 = 5 x
(4 + 2)

Answers

ANSWER: 100=5*6

                   100=30

HOPE IT HELPS!

Answer:

x = 3 1/3

Step-by-step explanation:

Let's go over the order of operations.

P: Parentheses

E: Exponents

M/D: Multiplication/division (in order of appearance)

A/S: Addition/Subtraction (in order of appearance)

100 = 5*(4 + 2)

Since there are values in parentheses, solve those first: 100 .= 5x(6).

Next, multiply 5x by 6. 100 = 30x.

Finally, divide each side by 30 to find the value of x. 3 1/3 = x

Therefore, the value of x is 3 1/3.

(Note: this is assuming the term "x" is a variable, and not the multiplication sign, *.)

help plz will mark brainliest :)​

Answers

Answer:

c

Step-by-step explanation:

subtract b from both sides

divide by x


A cube has a volume of 0.216 ft?. What is the length of each side of the cube?

Answers

Answer:

the answer is 0.054

Why was radian such a good safety on the football team? (25 pts)

Answers

Answer: because of the translational and rotational motion of the football

Step-by-step explanation:

A kick or a well thrown football follows a projectile path while spinning. In football, creedence is given to the translational motion which is independent of the spinning rotational motion. Radian is good in analysing the path because the angle representing one radian, is such that the length of the subtended circular arc is equal to the radius of the circle. 

Which table of ordered pairs represents a proportional relationship?

Answers

Answer:

The first table

Step-by-step explanation:

Because both side -1 every time.

Answer: C

Step-by-step explanation:

It represents a proportional relationship because each time they add two

At A-1 Truck Dealership, a customer can order a red, turquoise, or green truck. The truck can have leather or cloth seats. A customer can also choose a black, tan, or grey interior color. From how many possible trucks can a customer choose? *

Answers

Answer:18 ways

Step-by-step explanation:

Given

There are three color available for truck i.e. red, turquoise and green

Truck can have leather or cloth seats

Also there are 3 color  available for interior

So no of ways in which a customer can choose a truck is

[tex]=3\times 2\times 3[/tex]

[tex]=18\ ways[/tex]

Eric, Cam, and Brooke are playing a game of mini golf on a computer. The computer program for the game stores

objects in terms of I and y coordinates. All coordinate values are in meters.

The players are shooting at the hole, which is located at (3,2). After hitting their initial shots, Eric's golf ball is at

(-6,6). Cam's golf ball is at (8,-6), and Brooke's golf ball is at (10,8).

If the player whose ball is farthest from the hole should shoot next, which player should shoot next?

Choose 1 answer:

Answers

Answer:

Eric

Step-by-step explanation:

For we solve this problem, we have to determine the distance of each player to the hole using the distance formula.

D = √(x2-x1)²+(y2-y1)²

The hole for Eric is

The hole is at (3,2)

Eric's golf ball is at point (-6,6)

= √(-6-3)²+(6-2)²

= √-9²+4²

= √81+16

= √97

= 9.85 approx

The for Brooke

The hole is at (3,2)

Brooke's golf ball is at point (10,8)

= √(10-3 )²+(8-2)²

= √7²+6²

= √ 85

= 9.22 approx

Base on the two values gotten, Eric distance is more far compare to Brooke, therefore Eric should be the one to shoot next .


What is the measure of theta in radians?
Enter an exact expression.


Answers

Answer: pi/3 radians

Step-by-step explanation:

0= arc length/radius

0= pi/3 radians


Erin made a line plot of the amount of time she practiced shooting free throws each day in the past 10 days.

Line plot named as ALTDCTime Spent Practicing (hours)ALTDC shows a number line from one-fourth to two and one-fourth. The number line is divided into 8 equal parts. 1 dot on one-half, 2 dots on three-fourths, 3 dots on 1, 2 dots on one and one-fourths, 1 dot on one and half and 1 dot on 2 is given.

Part A
What is the difference between the greatest and least times Erin practiced shooting free throws?
A. 1 hour
B. 114hours
C. 112hours
D. 2 hours
Part B
What is the most common amount of time Erin practiced shooting free throws?
Enter your answer in the box.

hour(s)


Part C
Drag the numbers to write an equation for the total amount of time t Erin practiced shooting free throws in the 10 days.
Numbers may be used once, more than once, or not at all.

Part D
What is the total amount of time Erin practiced shooting free throws in the 10 days?
A. 11 hours B. 1112 hours C. 1134 hours D. 12 hours

Answers

Answer:

Data: for the 10 days of practice, we have:

0.5 hours 1 time.

0.75 hours 2 times

1 hour 3 times

1.25 hours 2 times

1.5 hours 1 time

2 hours 1 time.

A) the largest amount number of times that she practiced by the same amount of time is 3 (for the 1-hour practice)

The smallest is 1 ( for the 0.5h, 1.5h, and 2h practices)

the difference is 3 - 1 = 2.

B) the time that she practiced more times is 1 hour, she practiced that amount of time in 3 different days out of the 10 days.

C) the equation can be found by multiplying the number of hours by the number of times that she practiced that amount of time, and then adding all of them:

0.5h*1 + 0.75h*2 + 1h*3 + 1.25h*2 + 1.5h*1 + 2h*1  

D) the solution for the previous equation is 11 hours. Here the correct option is A.

I'll mark you the brainlest if you answer this correctly​

Answers

Answer:

A=14

Use formula A^2+B^2=C^2

Answer:

∠ A ≈ 24°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin A = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{MR}{AR}[/tex] = [tex]\frac{6}{15}[/tex] , thus

A = [tex]sin^{-1}[/tex] ([tex]\frac{6}{15}[/tex] ) ≈ 24° ( to the nearest degree )

Which figures can be circumscribed by a circle? Select all that apply.

Answers

Answer:

Using the properties of inscribed quadrilateral (the sum of two opposite angles is 180 deg), we have

Option A, B, C are all correct (those figures can be circumscribed by a circle).

Hope this helps!

:)

Which math sentence can be used to determine if this triangle is a right triangle?
Side 12
Side 15
Side 18
12+ 15 = 18
122+ 152 = 182
12+18 = 15
122+ 182 – 152

Answers

Answer:

12^2 + 15^2 = 18^2

Step-by-step explanation:

If we have 3 sides of a triangle we can use the Pythagorean theorem to determine if the triangle is a right triangle

a^2 + b^2 = c^2

12^2 + 15^2 = 18^2

If this is true, then the triangle is a right triangle

Answer:

Step-by-step explanation:

i think it is b

On the graph of f(x)=cos x and the interval [0,2π), for what value of x does f(x) achieve a minimum?

Choose all answers that apply.

0
π/4
π/2
π
3π/2

Answers

Answer:

[tex]cos(\pi)=-1[/tex]

Step-by-step explanation:

[tex]f(x)=cos (x)[/tex]

State that the values where cos x is minimum:

[tex]x=\pi +2\pi n, n\in \mathbb{Z}[/tex]

[tex]cos(0)=1\\[/tex]

[tex]$cos\left(\frac{\pi}{4} \right)=\frac{\sqrt{2} }{2} $[/tex]

[tex]$cos\left(\frac{\pi}{2} \right)=0 $[/tex]

[tex]cos(\pi)=-1[/tex]

[tex]$cos\left(\frac{3\pi}{2} \right)=0 $[/tex]

We want to see for wich values of x does f(x) = cos(x) has a minimum in the interval [0,2π), the answer is x = π

So we know that the cosine function has a maximum value of 1 and a minimum value of -1, such that:

-1 ≤ cos(x) ≤ 1

Then we want to find the value such that:

cos(x) = -1

Let's look at the graph of the cosine function, which is below. There, you can see that the minimum is at x = π.

Then the correct option is:

x = π

If you want to learn more, you can read:

https://brainly.com/question/17954123

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