Mathematics High School

PC
Are these two lines parallel, perpendicular or neither?
y = -1/4 x-5
y = 4x + 2
O Parallel
O Perpendicular
O neither
O all of the above

Answers

Answer 1
The answer is: Perpendicular, because both equations intersects or cross over each other. There is an attached photo
PCAre These Two Lines Parallel, Perpendicular Or Neither?y = -1/4 X-5y = 4x + 2O ParallelO PerpendicularO
Answer 2
The lines are perpendicular because their slopes are opposite reciprocals of each other (4 and -1/4).

Related Questions

After 4 new students joined a class, the class had 32 students.
Which equation can be used to find x, the number of students in the class before the students joined?
A. x/4 = 32
B. x - 4 = 32
C. 4x = 32
D. x + 4 = 32


Answers

D
Explain: if 4 new students joined, that’ll add up to the original number which is x.
So the equation will be x + 4 = 32

*4. What is (2.0 x 10-1)3 in
scientific notation?
A 2.0 x 10 -3
1
B 2.0 X 1/10 3

C 8.0 X 1/103
D 8.0 x 10 -3

Answers

Answer:

D

Step-by-step explanation:

2(n + 5) = −2 pls show your work

Answers

Answer:

2(n + 5) = -2

2n + 10= -2

2n = -12

n= -6

Step-by-step explanation:

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Answers

1) pentagon
2) concave
3) not regular
hope this helps :)

Answer:

a) pentagon

b) concave

c) not regular

Step-by-step explanation:

a) this polygon has 5 sides, known as a pentagon

b) it is concave because you can connect the top two vertices with a diagonal which will be outside the shape

c) a regular polygon is equilateral (all sides equal) but the markings show that is not the case with this shape

please help
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Answers

Answer:

40 degrees

Step-by-step explanation:

A full triangle is 180 degrees

85+55=140

180-140=40

2(38-4x) = 58-5x
Answer

Answers

Answer:

x=6

Step-by-step explanation:

Jessie served 11 pints of orange juice at her party. How many quarts of orange juice did she serve

Answers

Answer:

5 and 1/2 quarts

Step-by-step explanation:

A quart is 2 pints

Answer:

5 and 1/2 quarts

Step-by-step explanation:

1.What is a number that is a multiple of two or more numbers​

Answers

Answer:

Step-by-step explanation:

water flows through a pipe at a rate of 7 cubic meters per month. Express this rate of flow in gallons per minute. Round your answer to the nearest hundredth.

Answers

Answer:

0.04

Step-by-step explanation:

The rate of flow is 0.043 gallons per minute.

How to convert litres to gallons ?

Divide by 0.264 to obtain litres from gallons and multiply by 0.264 to obtain in gallons from litres.

According to the given question

Water flows through a pipe at a rate of 7 cubic meters per month.

We know 1 cubic meter is = 1000 litre

∴ 7 cubic meters per is

= (7 × 1000) litre

= 7000 litre

= (7000 × 0.264) gallons

= 1848 gallons per month

Now 1 month is

= ( 1 × 30 × 24 × 60 ) minutes.

=43200 minutes

So in 43200 minutes 1848 gallons of water flows through that pipe

∴ In a unit minute or per minute it the rate of flow will be

= 1848/43200 gallons per minute

= 0.043 gallons per minute.

Lean more about These type of problems here :

https://brainly.com/question/14526944

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Answers

The answer is 25 if you use the Pythagorean theorem a2 +b2=c2

Answer is 25 good luck!

*WILL MARK BRAINLIEST*10 POINTS
How many triangles can be made given the following angles?
33°, 42°, 66°

A: One triangle
B: More than one triangle
C: No triangle can be made

Answers

Answer : C

No triangle can be made because every triangle has to be equal to 180 degrees to be considered a triangle.

4x-1=10+4x equations with special cases

Answers

Answer:

No solution

Step-by-step explanation:

With some linear expressions like this one, the answer will turn out to be 0, so your answer would be no solution

1,092 inches to yards

Answers

Answer:

Step-by-step explanation:

It would be 30.33 repeating.

Answer:

30.33 yards

Step-by-step explanation:

36 inches to a yard, so divide the length value in yards by 36.

1092 / 36 = 30.33 yds

Last week Jack ran 18 miles more than Pranav. Jack ran 34 miles. How many miles did Pranav run?

Answers

Hello there!

Step-by-step explanation:

If Jack runs 34 miles, and Pranav runs 18 less, this signifies that we need to subtract 18 from Jack's total miles to get his miles ran.

34 - 18 = 16

Pranav ran 16 miles.

Is x = 6 a solution to the equation 5(x – 3) = x + 13?
Follow the steps to find out.
1. Rewrite the equation 5(x – 3) = x + 13 with 6 substituted for x. Write a question mark over the equal sign to show that you're testing to see if the equation is true.

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Answers

Yes, both equations will always work, but yes, at times it is more logical to use one over the other. for instance:

x-4y=6

x+4y=12

we see here that elimination would best fit:

x+x+4y-4y=6+12

or:

x=2y-3

7x+3y-81=23

substitute (2y-3) for x.

Also, once you have a single placeholder, put it ito quadratic form (ax^2+bx+c=0)

and use the quadratic formula:

x=(-b±sqrt(b^2-4ac))/2a

Answer:

yes

Step-by-step explanation:

y is directly proportional to .
When x = 500, y = 10
Find a formula for y in terms of x.
y=

Answers

Answer is 5 because I guessed

Solve the system of equations.
5x - 7y = 58
y = -x + 2
х =
y =

Answers

Answer:

the x and y is 6 and -4 respectively

Step-by-step explanation:

The computation of solving the system of equations is given below:

Given that

5x - 7y = 58

And,

y = -x + 2

Put y value in the first equation

5x - 7(-x + 2) = 58

5x + 7x - 14 = 58

12x = 58 + 14

12x = 72

x = 6

So y = -6 + 2

= -4

Hence, the x and y is 6 and -4 respectively

solve the inequality 31< 3x+4

Answers

31 < 3x+4

subtract 4 from both sides

27 < 3x

divide by 3 from both sides

9 < x


1/10( x + 130) = -2(3-X)

I need help

Answers

Answer:

x = 10

Step-by-step explanation:

1/10(x + 130) = -2(3 - x)

x + 130 = -20(3-x)

x + 130 = -60 + 20x

x - 20x = -60 - 130

-19x = -190

x = 10

MMA-A unit 3 packet

Answers

There’s no question tho?????
Nice it was unite 3 packet

Use the quadratic formula to solve for x.
8x²-7x+1=0
(there may be more than one solution, if so, separate them with commas.)

x = _

Answers

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50 points.... Y’all are mean and don’t help me but help everyone else.... correct answer will get brainliest.... if y’all help me....anyway...

Answers

2+2 = 4 8238638292928363782929292

Answer:

(1, -2)

Step-by-step explanation:

Point A has coordinates:

A(2, 1)

Rule of 270° rotation:

(x, y) → (y, - x)

Coordinates of A':

A' = (1, -2)

"David is three years older than Jim. Tom is 5 years yunger than Jim. The sum
5
of their ages is 34 year. Find their ages.​

Answers

Answer:

what are you saying

Step-by-step explanation:

this question is not correct

My stepsister got stuck in the dryer what do I do??

Answers

Answer:

Orange + Black...

Step-by-step explanation:

Four of the 16 students in Ms. Salas’s class after school are serving detention. The rest of the students are there for tutoring. Using the diagram below, determine the percent of the students in Ms. Salas’s classroom after school who were there for detention.

Choices:

A: 16%
B: 25%
C: 40%
D: 60%

Answers

the answer is b because 4/16 students are in detention. 25% means 1/4. if u break the group of 16 into four groups, there will be four students in each group (4+4+4+4=16) since four students are in detention, one full group will be in detention so 1/4. this is the best i can explain this but if you would like the mathematical proof work it is:
4 divided by 16 = 0.25 which turned into a percent is 25%

Solve for c. -8c=-24​

Answers

Answer:

c=3

Step-by-step explanation:

Answer: c is equal to 3 hope that’s correct c=3

*WILL MARK BRAINLIEST*
Find the circumference of the circle.

A: 47,1 in
B: 22 in
C: 10.5 in
D: 35 in

Answers

Answer:

C≈47.12, or 47.1

Step-by-step explanation:

To find the circumference you just use the formula C=2[tex]\pi[/tex]r.

The radius of your circle is 7.5 which is half of 15, now multiply 2[tex]\pi[/tex](7.5) which gives you your answer!

An even easier way to do this is to use the other formula C=d[tex]\pi[/tex],

Just multiply your diameter (which is what was given to you) by pi and you also get your answer!

Hope this helps! :)

Mario start collecting stamps in January and buys 12 stamps each month.Karen starts collecting stamps in July and buys 18 starts each month. how many months after Karen starts collecting stamps will she have the same number of stamps as Mario?

Answers

Answer:

12 months

Step-by-step explanation:

Given that:

Mario:

12 stamps per month

Since January

Karen :

18 stamps per month

Starts on july

Number of stamps collected by Mario till the end of June :

12 * 6 = 72 stamps

For Mario :

72 + 12x

For karen:

18x

Where x is the number of months after karen starts :

Equate both equations

72 + 12x = 18x

72 = 18x - 12x

72 = 6x

x = 72/6

x = 12

After 12 months

Number of months after karen starts, will they have same amount of stamp

Graph the line that passes through the points (1, -9) and (1, -3) and determine
the equation of the line.

Answers

Answer:

Step-by-step explanation:

The line is a vertical line with an equation of x = 1

y can be anything.

Draw (on graph paper) a dot at x = 1. Go down to - 3 and keep on going down to - 9. Then go up from x = 1. That's what this problem should give you.

Help on the last 2?

Answers

4x, 8, 20

X/6, 1/3, 5/6

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