Una recta con pendiente -2 ´pasa por el punto P(5, -1). La abscisa del punto Q que está en esa recta es 1. Encuentre la ordenada de Q.

Answers

Answer 1

Answer:

La ordenada de Q es 7.

Step-by-step explanation:

La ecuación de una recta es:

y = a*x + b

donde a es la pendiente y b es la ordenada al origen.

Para este problema, sabemos que la pendiente es -2

Entonces:

a = -2

y = -2*x + b

También sabemos que esta recta pasa por el punto (5, -1)

Esto significa que cuando evaluamos la ecuación en x = 5, y toma el valor y = -1

Si reemplazamos esos valores en la ecuación, obtenemos:

-1 = -2*5 + b

-1 = -10 + b

-1 + 10 = b

9 = b

Entonces la ecuación de la recta es:

y = -2*x + 9

Sabemos que el punto Q está en la línea, y la abscisa de este punto es 1.

Entonces este punto es Q (1, k)

donde k es la ordenada de este punto.

Porque nuestra línea también pasa por este punto, podemos concluir que cuando x = 1, y = k

Reemplazando eso en la ecuación tenemos:

k = -2*1 + 9 = -2 + 9 = 7

k = 7

La ordenada de Q es 7.


Related Questions

Please help, this is due soon

Answers

Answer:

21 miles

Step-by-step explanation:

Each 1/6 is equal to 1 mile because 5/6 is equal to 5 miles. 1/2 is 3/6 so 3 miles. 6/6 is 6 miles so 3 is 3*6. This means it is 18+3 or 21 miles.

Have a great day!

Pls help I will give branlist answer on the best one


Don’t explain it just strait up give me the answer for 1,2 and 3

Answers

Answer:

Step-by-step explanation:

1. 31,656

2. 32.3%

3. $5,516 roughly per month split evenly if you live paycheck to paycheck

10% of the tickets sold at a school carnival were early-admission tickets. If the school sold 20 early-admission tickets, how many tickets total were sold? options: The school sold 2 tickets total. The school sold 30 tickets total. The school sold 120 tickets total. The school sold 200 tickets total.

Answers

Answer:

200 total tickets

Step-by-step explanation:

10% = 20

10% x 10 = 100%, so 20 x 10 = 200 total tickets

The graph of a system of two linear equations results in two parallel lines.

How many solutions are there for the system?

Answers

Answer:

no solutions

Step-by-step explanation:

a "solution" for a system of linear equations is defined as the point(s) of intersection for the two lines.

Parallel lines never touch, so they can never can never intersect

therefore, there are no solutions

hope this helps!

Due tonight *no links*

Answers

Answer:

Step-by-step explanation:

The sum of the measures of the interior angles of a decagon (10 sided polygon) is 1,440. We found this by using the formula (n-2)(180). Thus, to find the measure of each interior angle we simply divide the sum by the number of total sides in the polygon. 1,440/10 = 144.

I dont know how to do this, but this is what g**gle had to say about the matter. I hope this helps?

what is 5/9 x 2/5 x 7/2 A 7/45 B 14/45 C 7/9 D 7/8​

Answers

answer: 7/9
hope this helps you out .
MARK BRAINLIST IF YOU CAN ?

A map has a scale of 1.5 in : 26 mi. If the distance between city A and City
B on the map 15 inches find the real distance?

Answers

Answer:

The real distance is 260 miles

Step-by-step explanation:

From the question;

1.5 inches in map is 26 miles

Thus;

15 inches will be x miles

To get the value of x, we do a cross-multiplication

we have this as:

15 * 26 = 1.5 * x

x = (15 * 26)/1.5

x = 10 * 26 = 260 miles

Solve the following quadratic equation for all values of x in simplest form.
4(2x-3)^2 + 14 = 34

Answers

Answer:

x=3±√5/2

Step-by-step explanation:

What is the simplified value of the exponential expression 27^1/3?


1/3
1/9
3
9

Answers

27^1/3= a number you multiply by itself three times to get 27

Cubic root of 27 is 3

= 3

Vienna bought 8 yards of fabric and paid $35.60. How many more
yards can she purchase with $20?

(The paper this is one is due tmr. Help)

Answers

Answer:

4.49 more yards

Step-by-step explanation:

Given data

If 8 yards of fabric cost $35.60

then let  x yards cost $20

cross multiply

35.60*x= 20*8

35.60*x= 160

x= 160/35.60

x= $4.49

Hence the $20 will purchase 4.49 more yards

Which word phrase represents the following expression: 6 - x?
A: the product of 6 and x
B: x take away 6
C: x less than 6
D: 6 less that x

Answers

Answer:

C. X less than 6

Step-by-step explanation:

what is 1 half times 2

Answers

Answer:

1

Step-by-step explanation:

1/2 x 2 = 1

2 and 2 cancel out, leaving 1/1

Hope that helps! :)

<3 Cin

Answer:

I got the answer one

Step-by-step explanation:

1/2 x 2

2 x 1 = 2 ÷ 2 = 1

Solve the ineqlality for y.
y - 4x < -7

Answers

Answer:

Step-by-step explanation:

So you want to isolate the y, so add 4x to both sides of the problem. So now we have y < -7 + 4x. Now since adding can go both ways (in its own equation) you can turn around the 7 and 4. So we have y < 4x -7

Pythagorean theorem level 2 delta math

Answers

The third side is 4

So Pythagorean's theorem is the following

[tex]Short^2 + Long^2 = Hypotenuse^2[/tex]

From here we can input the following information that we know

[tex]Short^2 + \sqrt{33}^2 = 7^2\\Short^2 + 33 = 49\\Short^2 = 49 - 33\\Short^2 = 16\\Short = \sqrt{16}\\Short = 4[/tex]

Point c has the coordinate -7 and d has the coordinate 6 on a number line. What is the distance between c and d

Answers

Answer:

7

Step-by-step explanation:

how much more area does a large pizza with a 12in. diameter have than a small pizza with a 8 in. diameter? Round your answer to the nearest square inch

answers:
a) 63 in²
b) 38 in²
c)13 in²
d)87 in²​

Answers

Answer:

A is the correct answer.

Step-by-step explanation:

First do 6 times 6 and then do 36 times 3.14 to get 113.04.

Then do 4 times 4 to get 16 times 3.14 for 50.24

Last do 113 minus 50 for 63 squared.

Show all possible arrangements of the letters in the word FRED using a tree diagram. If each of the letters is on a tile and drawn at random , what is the probability that you will draw the letters F-R-E-D in that order?

Answers

Answer:

24

Step-by-step explanation:

F R E D

F R D E

F E R D

F E D R

F D E R

F D R E

so for each letter u have 6 so 4 x 6=24

Suppose the height of a triangle is tripled. How does this affect the area of the triangle? Explain

Answers

Answer:

A' = 3A

Step-by-step explanation:

The area of a triangle is given by :

[tex]A=\dfrac{1}{2}\times b\times h[/tex]

Where

b is base and h is height

If height is tripled, h' = 3h

New area,

[tex]A'=\dfrac{1}{2}\times b\times h'\\\\=\dfrac{1}{2}\times b\times 3h\\\\=3\times \dfrac{1}{2}\times b\times h\\\\=3A[/tex]

So, the new area becomes 3 times the initial area.

Equations
Yes
No
5a -1 = 14
true for a = 3
O ㅁ
100-b2= 80
true for b= 10
32 = 16
true for f = 2

Answers

Answer:

yes

No

yes

Step-by-step explanation:

I think it will help you

for what value of x does the function have an output of -7, given that g(x) = -3x + 8

Answers

Answer:

X=5

Step-by-step explanation:

-3x+8=-7

-3x=-15

X=5

−5x−4y=−8
Escreva uma fórmula para f(x) em função de x

Answers

Answer:

-5x-4y=-8

-5x=4y-8

x/-5=4y-8÷-5

What is the area of the triangle ?

Answers

The answer is 60cm squared

can anyone help me with these homework pages please i need them asap, thanks

Answers

Answer:

1. reflection

2. translation

3. rotation

4. dilation (enlargement)

5. dilation (reduction)

6. rotation

7. reflection

In a group of 25 boys , 8 are in the Science League team and 13 in the math League team and 6 in both the teams. How many are not in any team?

Answers

10 girls are not on either team

first subtract 6 from 8 to get 2 (since it's easier) because those 6 girls are on the math league team as well
next add 2 and 13 to get 15
last subtract 15 from 25 to get 10

Write the equation of a line that passes through the point (0,5) and has a slope of 4/5

Answers

Answer:

[tex]m = \frac{4}{5} \\ from \: \: y = mx + c \\ at \: (0,5) \: \: \\ 5 = 0 \times \frac{4}{5} + c \\ c = 5 \\ equation \: is \: \: y = \frac{4}{5} x + 5[/tex]

What is the median of the data set? History Test Scores 5 0 8 6 5 6 8 9 7 0 3 5 8 8 0 6 7 7 7 9 0 1 3 5 6 8 9 9 5 0 = 50 points

Answers

Answer:

The median is 6

Step-by-step explanation:

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

Answer:

The answer is: C

Step-by-step explanation: So they tell you that each pencil cost the same as another and the same applies to the journals. With this information you know that you're spending the same for each one, meaning you can multiply the amount you bought by the price and get your total. So, as an example: Mr. Bowden bought 18 journals, in our situation journals cost *J*. So 18 multiplied by *J* would be our total for the journals Mr. Bowden bought. the same applies to pencils, and so Mr. Bowden bought 40 pencils, and each pencil costs *P*. We can multiply 40 and *P* to figure out what the pencils in total for Mr. Bowden cost. We can then add the total for journals and pencils for Mr. Bowden and get $95.42. I hope this helps :)

please help thank you

Answers

Answer:

op.........bro.................................

Find the gradient of the line passing through the points (4a, -a) and (6a, 5a)

Answers

Answer:

3

Step-by-step explanation:

Gradient is also called slope .

=> m = y₂ - y₁ / x₂ - x₁

=> m = 5a + a / 6a - 4a

=> m = 6a / 2a

=> m = 3

In Algebra, we learn about many types of functions. These functions vary from simple to
complex. Think about the different types of functions we've explored so far (linear,
quadratic, and exponential). What features do they share, and how are they unique?

Answers

Answer:

they share some features like;exponents,

mathematical signs, variables and more

The shared feature is that the 3 are functions relating y and x, and the uniqueness is on the exponent (or degree for the first two cases).

What the functions have in common?

A linear function is:

y = a*x + b

A quadratic function is:

y = a*x^2 + b*x + c

An exponential function is:

y = A*(b)^x

So, the thing that we can see that the functions have in common is that in all of them, the variable y depends on the variable x.

How these functions are different?

Well, the exponents are clearly different.

The linear function is of degree 1, the quadratic function is of degree 2, and in the exponential function the variable is in the exponent (it is not a polynomial like in the first two cases).

If you want to learn more about functions:

https://brainly.com/question/4025726

#SPJ2

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