What is the solution to the following system?
y = 3x
12x - 4y = 20

1. no solutions
2. (0, 20)
3. (0, 0)
4. infinite solutions

Answers

Answer 1
Multiply the first equation by -4 then solve. You are left with 20 so I think the answer is (0,20). I’m not completely sure though

Related Questions

HELP!! ASAP
Find the length of each line segment or object to the nearest half, fourth, or eighth inch.

Answers

The answer is two inches, C

-2²-5x+2

good job if you can answer this cause that means you are smarter than me (I'm not very smart)​

Answers

-2^2 -5x +2
(-2)^2 -5x+2
4-5x+2
6-5x simplest form
________

If this is an equation equal to 0:
6-5x= 0
-5x = -6
x = -6/-5
x= 6/5

Good luck!

Find the area of the shaded region.

Answers

Answer:

351π cm^2.

Step-by-step explanation:

Area of shaded part = area of the large circle - area os small circle

= π * (13+7)^2 - π * 7^2

= 400π - 49π

= 351π.

The percent increase of the airline ticket is_____ %

Answers

Answer:

61% increase if the airlines held a 50$ baggage fee

Step-by-step explanation:

Expand the following. In other words, remove the parentheses (brackets):
-5(2x - 4y)
B -10x + 20y
A 10xy
C -10x - 20y
D 10x - 20y

Answers

Answer:

B

Step-by-step explanation:

-5(2x-4y)

-5*2x = -10y

-5*-4y = 20y

So, -10x+20y

. Veronica rides at an average speed of 9.2 miles per hour (mph).
Part A
Exactly how many hours does it take Veronica to ride her bike 46 miles? Show or explain all your work.












Time to ride 46 miles: ________________

Answers

Answer:

46/9.2 = 5

Step-by-step explanation:

ABCD is a rhombus. Solve for the length of AB if the two diagonals lengths are: AC = 12 units, BD = 16 units.

Answers

ab=10 units

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

A group of scientists are doing a study of elephants in Africa. They take a random sample of 200 elephants, and reveal the data set below. They believe the population of elephants in the area is about 6 times the size of the random sample. What is the estimated total population of all elephants in the area?

Answers

Answer:

138

Step-by-step explanation:

1.14. Which of the following functions represents exponential decay? Select all that apply.
A. f (x) = (1.03)
x
B. f(x) = (1.97)
x
10
C. f (x) = (0.97)
x
D. f (x) = (0.03)
−2x
E. f (x) = (1.23)
−4x
F. f(x) = (0.5)
x
2

Answers

Answer: E,C and D

Step-by-step explanation:

Answer:

E, C & D

Please mark as brainliest

Have a great day, be safe and healthy

Thank u  

XD

I need help with this fast please

Answers

Answer:

$19

Step-by-step explanation:

first subtract 3 from 51 and that =48

then divide 48 between the 3 people and that equals 16

lastly add Kadens tip of 3$ which will equal $19.

I need to write a equation for this graph​

Answers

Answer:

y= 2x + -2

Step-by-step explanation:

y=4/2x-2 hope this helps!! :)

A parallelogram with an area of 60 square units is formed by four lines in a coordinate plane. The parallelogram has one vertex in each quadrant. Three of the lines are shown below. Graph the fourth line.

Answers

Answer:

The answer above is wrong, the line is actually supposed to be one to the left, so it would be going through (7,4) and (2,-2)

Step-by-step explanation:


How much will 5 ounces cost?
1.5 ounces of yogurt cost $2.40.
How much will 5 ounces of yogurt cost?

Answers

Answer:

ok.

Step-by-step explanation:

Answer:

$8

Step-by-step explanation:

first you have to find one

0.5 ounce = $2.40 ÷ 3 = $0.80

1 ounce = 0.8 × 2 = $1.60

5 ounces $1.60 × 5 = $8

Use the table below to determine the approximate height of the flag pole.

Answers

Answer:

B 17.5 ft

Step-by-step explanation:

tangent = opposite / adjacent

tan 35° = h / 25

multiply both sides by 25

h = 25 (tan 35°)

tan 35° = 0.70 (from your calculator)

h = 25 (0.70)

h = 17.51 ft.

Plz help 20 points dont just steal points plz

Answers

Answer:

71.13

Step-by-step explanation:

The half area of a circle is A = 1/2 * pi*r^2 = 1/2 * pi * 3^2 or 9

The trapezoid is a rectangle and a triangle. Rectangle is 8*6 and the triangle is 6*(11 - 8) * 1/2

The total is 1/2 * pi * 9 + 8*6 + 6*(11 - 8) * 1/2 = 71.13

Find the slope that passes through the two points. (9,3) and (6,7)

Answers

Answer:

m=4/-3

Step-by-step explanation:

the equation for slope (m) when given two points is (y2-y1)/(x2-x1)

we are given the points (9,3) and (6,7)

we can label the points:

x1=9

y1=3

x2=6

y2=7

now substitute into the equation

m=(7-3)/(6-9)

subtract

m=4/-3

the slope is 4/-3

hope this helps!

Mr. Garcia is replacing the insulation in his attic and garage. Each roll of insulation is 1.25 feet wide and 50 feet long. The picture shows the
dimensions of the attic and the garage that he needs to cover.
100 ft
attic
25 ft
garage
28 ft
25 ft
What is the minimum number of rolls of insulation that Mr. Garcia should buy in order to cover both the garage and the attic completely?
A. 12
OB. 40
O c. 52
O D. 55

Answers

Answer: B. 40

Hope this helps

(1+5 to the 2)−16 1 over 2 to the power of 3

Answers

Answer:

[tex]{ \large{ \implies{ \sf{(1 + 5 {}^{2} ) - 16{ \bigg( }\dfrac{1}{2} { \bigg)} {}^{3} }}}}[/tex]

[tex]{ \large{ \implies{ \sf{26 - { \cancel{16 } \: {}^{2} }\times \dfrac{1}{ \cancel{8} }}}}}[/tex]

[tex]{ \large{ \therefore{ \sf{26 - 2 }}}=} \: { \large{{ \boxed{ \sf{ 24}}} \: \: ans.}}[/tex]

i need the help alot​

Answers

Answer:

{-5/4, 8}

Step-by-step explanation:

We are given (4u + 5)(8 - u) = 0.  Solve for u by setting each of the factors (4u + 5) and (8 - u) equal to zero and solving each of the resulting equations:

4u + 5 = 0 leads to u = -5/4, and

8 - u = 0 leads to u = 8.

The solutions are {-5/4, 8}

How much simple interest will sean earn of $200 if he invest it for 3 years at 8% interest? ​

Answers

Answer:

$48

Step-by-step explanation:

He will earn $16 interest for one year. After 3 years, that will triple to $48

17. Maeve takes pictures of people as they
enter an amusement park. She makes $40 per
day, plus $4 for each person who buys a
picture. If Maeve made $80 yesterday, how
many people bought a picture?
A. 10 people
C. 40 people
B. 20 people
D. 15 people

Answers

answer is
a. 10 people

Express the ratio 4:7 in the form n:1

Answers

The ratio 4:7 in the form n:1 is [tex]\frac{4}{7} : 1[/tex] .

What is unit fraction?

A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer. A unit fraction is therefore the reciprocal of a positive integer, 1/n. Examples are 1/1, 1/2, 1/3, 1/4, 1/5, etc.

According to the question

The ratio 4:7  in the form n:1

i.e

[tex]\frac{4}{7} = \frac{n}{1}[/tex]

n = [tex]\frac{4}{7}[/tex]

Now, the unit fraction

The ratio is

= [tex]\frac{4}{7} : 1[/tex]

Hence, the ratio 4:7 in the form n:1 is [tex]\frac{4}{7} : 1[/tex] .

To know more about unit fraction here:

https://brainly.com/question/15326565

#SPJ3

If I have 48 cards and and gave 10 to my friend and I have 38 left what what fractionbb be is my original number of cards

Answers

Question isn't well formatted :

If I have 48 cards and and gave 10 to my friend and I have 38 left. what fraction of original number of card do I have left.

Answer:

0.7917

Step-by-step explanation:

If I have 48 cards and and gave 10 to my friend and I have 38 left what what fractionbb be is my original number of cards

Given that :

Total number of cards = 48

Number given to friend = 10

Number of cards left = 48 - 10 = 38

Number of cards left / original number of cards

38 / 48

= 0.7917

help!
solve for:
sin (pi/4 -x) - sin (x + pi/4) for 0 < x < 2pi

Answers

Answer:

sin(pi/4 - x) - sin(x + pi/4) = 1

[tex] \frac{ \sqrt{2} }{2} ( \cos(x) - \sin(x) ) - \frac{ \sqrt{2} }{2} ( \sin(x) + \cos(x) ) = 1 \\ \\ < = > - 2 \times \frac{ \sqrt{2} }{2} \sin(x) = 1 \\ \\ < = > \sin(x) = \frac{ - 1}{ \sqrt{2} } \\ \\ < = > x = - \frac{\pi}{4} + k2\pi \: or \: x = \frac{5\pi}{4} + k2\pi[/tex]

but 0 < x< 2pi => x = { 5pi/4; 7pi/4 }

. Solve the inequality. q + 12 – 2(q – 22) > 0 q > –32 q > 56 q < –32 q < 56

Answers

Given:

The inequality is

[tex]q+12-2(q-22)>0[/tex]

To find:

The solution of the given inequality.

Solution:

We have,

[tex]q+12-2(q-22)>0[/tex]

It can be written as:

[tex]q+12-2q+44>0[/tex]

[tex](q-2q)+(12+44)>0[/tex]

[tex]-q+56>0[/tex]

Subtract 56 from both side.

[tex]-q>-56[/tex]

Multiply both sides by -1 and change the inequality sign.

[tex]q<56[/tex]

Therefore, the correct option is D.

Answer:

D:   q < 56

Step-by-step explanation:

The graph of which line intersects the graph of y + 10 = -5(x - 1) in only one point?

Answers

A

First, I’m going to the line is question into slope intercept form.
y + 10 = -5x + 5
y = -5x + 5 -10
y = -5x -5
y + 10 = -5 (x - 1) becomes y = -5x -5 in slope intercept form. I will call this line ‘line 1’

A becomes y = 5x -15 in slope intercept form
B becomes y = -5x + 25 in slope intercept form
C becomes y = -5x -5 in slope intercept form
D becomes y = -5x + 10 in slope intercept form

C is the same line as line 1. Any point that is on line 1 is also on line C, so C cannot be it.

Notice that line B and D have the same slope but different y-intercepts as line 1. That means these lines are parallel (not the same line though - different y intercepts) to line 1, so they will never intercept.

Line A has a different slope vs line 1, so they will eventually intersect only once

Which of the following expressions is equivalent to
4( x+ 5)?

Answers

4x + 20 because 4x + 4 * 5 = 4x + 20

1. Simplify (32m n ^ 2 +50m^ n n)-(10mn^ 2 -1b m ^ 2 n+64)

Answers

Answer:

=m^2nb+22mn^2+50mn^n-64

Step-by-step explanation:

what are the values of x and y​

Answers

Answer:

x = 10, y = 12

Step-by-step explanation:

There is a 2:1 ratio between 16 and 8, alternate side lengths.

2x = 20

x = 10

2(6) = y

y = 12

- .... . / --. .. .- -. - / .... --- .-. ... . / -.-. --- -.-. -.- / .-- . .. --. .... - ... / --- ...- . .-. / .---- .---- / .--. --- ..- -. -.. ...

What is the approximate difference in the circumference of a circle with a radius of 4 ft and the circumference of a circle with a radius of 6 ft?

Answers

Answer: 12.57 ft

Step-by-step explanation:

Circumference of circle with radius of 4ft.

= π * radius * 2

= 22/7 * 4 * 2

= 25.14 ft

Circumference of circle with radius of 6ft.

= 22/7 * 6 * 2

= 37.71 ft

Difference = 37.71 - 25.14

= 12.57 ft

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