Mathematics College

Hello! :)
Please help me solve this + explain your answer :)

I will indeed give you Brainlst <3

Hello! :) Please Help Me Solve This + Explain Your Answer :) I Will Indeed Give You Brainlst &lt;3

Answers

Answer 1

Answer:

D. (-2, 6)

Step-by-step explanation:

First, isolate a variable in one of the equations (i.e y = or x =)

The first equation already has isolated x.

x = y - 8 or y - 8 = x

5x + y = -4

Substitute the isolated variable into the second equation.

5(y-8) + y = -4

There is now only one variable, y, in the equation. Now you can solve for y.

First, use the distributive property to get the equation

5y - 40 + y = -4

Then, add 40 to both sides.

5y + y = 36

Add like-terms.

6y = 36

Divide.

36 / 6 = 6

So, y = 6.

Now that we have one coordinate, y = 6, you can substitute for y in the first equation.

x = 6 - 8

Subtract.

x = -2

Your coordinates are now x = -2 and y = 6, or (-2, 6).

Related Questions

Ed spent 25% of his savings on lunch, which cost $5.25. How much did he have in savings before lunch?

Answers

Step-by-step explanation:

I think 21 dollars is the answer

PLS ANSWER ASAP AND ILL MARK BRAINLIEST!
What is the volume of a cone with a radius of 3 feet and a height of 6 feet? Use 3.14 for pi. Round your answer to the nearest hundredth.

18.31 ft3

40.25 ft3

56.52 ft3

60.34 ft3

Answers

Answer:

56.52ft³ is the answer hope this helps

Answer:

3rd option hope this helps.

Step-by-step explanation:

Could you describe the expression 2(3+4) as a product of two factors?​

Answers

the answer will be 10 just multiply the numbers

Giving brainliest 7th grade math HELPPP

Answers

Answer:

p(Green and Sedan) = 1/3

Step-by-step explanation:

Total number of outcomes = 6

[Green-Sedan, Green-Sedan, Green-Truck, Purple-Sedan, Purple-Sedan, Purple-Truck]

Possible outcomes = 2

Probability = possible outcomes / total number of outcomes = 2/6 = 1/3

HOPE THIS HELPS YOU

Answer:

5/6= the first one

Erica’s parents gave her $500 for her high school graduation. She put the money into a savings account that earned 7.5% annual interest. She left the money in the account for nine months before she withdrew it. How much interest did the account earn if interest is paid monthly If she would have left the money in the account for another nine months before withdrawing, how much interest would the account have earned?

Answers

Answer:

$28.84

Step-by-step explanation:

That's for the first one that I found, the two other problems I don't know yet.

Pls, help me with this problem. HELP!!!!! (it's not that hard I don't know why I am frecking out)

Answers

-3/4,-2/3,-5/12,1/3,1 1/4, 1 5/12 these are all in the correct order,

Answer:

Step-by-step explanation:

b/c fractions are confusing  :D,  put them all in 12th to make it easier

4/12,  -8/12,  -9/12,  -5/12,  1  3/12,  1  5/12

now stick them in order

-9/12,  -8/12,  -5/12 , 4/12 ,  1  3/12,  1  5/12

now put them back to reduced form

-3/4,    -2/3,    -5/12,   1/3 ,    1   1/4,   1 5/12  

:)  better?

3) When solving a one-step equation, we apply the inverse operation to the value on the _____ of the variable.

Answers

Answer:

To solve one-step equations, we do the inverse (opposite) of whatever operation is being performed on the variable, so we get the variable by itself. The inverse operations are: Addition and subtraction. Multiplication and division.

Step-by-step explanation:

by it self.

A rectangular outdoor seating area has a length 5 feet greater than its width, w. Jonathan will increase both dimensions of the seating area by 3 feet. Which equation represents the new area, N, of the outdoor seating area?

Answers

can yu show a picture

What is the combined length of all the buttons longer than 1 inch

Answers

Answer:

Where is the problem to solve?

Step-by-step explanation:

j - 2.5 = 93.9
What is the value of j?

Answers

Answer:

j = 96.4

Step-by-step explanation:

Step-by-step explanation:

j - 2.5 = 93.9

j=93.9+2.5

j=96.4

A florist received a shipment of 16 dozen roses. The original order was for 20 dozen. What percent of the order did NOT arrive?

Answers

Answer:

20 percent

Step-by-step explanation:

Answer:

20%

Step-by-step explanation:

Hope this helps :)

HELP PLEASE AND THANKYOU!!!!

Answers

Answer:

51.3

Step-by-step explanation:

Formula For Tan: tan (angle) = opposite/adjacent

Opposite = 10

Hypotenuse = 8

tan (x) = opposite/adjacent

tan (y) = 10/8

y = tan⁻¹ (10/8)

y = 51.3401917459099

y = 51.3 (rounded)

Tip: tan⁻¹ is inverse of tan.

Therefore, y = 51.3

Hope this helped! <3


Which is the simplified form of the expression

2
(2-3)(x+3)(2)
(4-2)(x4)(13)
?

Answers

Answer:

x= 5 whole number and 2/15

Step-by-step explanation:

hey any help is appreciated

Answers

Answer:

a positive querlashon  the lower they studied the lower grade they got  

Step-by-step explanation:

f a car travels 400 m in 20 s, how fast is it going?

Answers

400/20
20m/s
..............................

Answer:

20m/s

Step-by-step explanation:

Given, s=400m

t=20s

Required, v=?

v=s/t

=400m/20s

=20m/s

Which is the fraction for 0.21?

Answers

Answer:

21/100

Step-by-step explanation:

The fraction would be 21/100

A bag contains 4 white tiles and 8 black tiles. You select one tile at random from the bag. What is the probability that you select a black tile?

Answers

Answer:

p( black) = 2/3

Step-by-step explanation:

4 white + 8 black = 12 tiles

P ( black) = number of black / total

                = 8 /12

                 = 2/3

HHELLPPP PLEASW HIRRY I WILL MARK BRAINLIEST

Answers

Answer: 1/36

Step-by-step explanation: 18 x 18 = 324

3 x 3 = 9

9/324 = 3/108 = 1/36

Answer:

1/36! good luck! :D

Step-by-step explanation:

Lisa bought 16 1/2 pounds of sand for her
child’s sandbox she was building. What is
this in ounces?

Answers

16.5 pounds converted to ounces is 264oz.

Hw help please ASAP
+10PTS

Answers

Answer:

[tex]y = \frac{1}{2} x + 3[/tex]

Step-by-step explanation:

Remember that:

[tex]Slope \: = \frac{rise}{run} [/tex]

Answer:

½x+3

Step-by-step explanation:

slope = rise/run plus y-intercept

-4 > x - 3 find x in the equation

Answers

Answer:

X= -1

Step-by-step explanation:

The nth term of a sequence is n²+1. What is the 9th term?

Answers

Replacing 9 for the nth term of the sequence we get 9^2 + 1 = 82, Therefore the 9th term is = 82

Do any of you know this??

Answers

70° is the right answer

Answer:

wouldn't be 70°?

Step-by-step explanation:

30 + 40 = 70

Can someone please help me on this? I've been trying for hours and can't seem to find the answer.

Answers

Answer: The area of the shape is 90 ft.

Step-by-step explanation:

Draw a line so the shape looks like a triangle and small rectangle.

First, we have to find the area of the rectangle.

Area of rectangle: length x width

The rectangle has a length of 6 ft and a width of 3 ft.

Area of rectangle: 6 x 3 = 18 ft

Now to find the area of the triangle.

Area of triangle: 1/2 x base x height

The triangle's base: 15 - 3 = 12

The triangle's height: 6 + 6 = 12

Area of the triangle: 1/2 x 12 x 12

= 1/2 x 144 = 72ft

To find the area of the entire shape you have to add the area of the rectangle and triangle together.

Area of shape = Area of rectangle + Area of triangle

A of shape = 18 ft + 72 ft

The area of the shape is 90 ft.

Hope that helped!

the probability of getting less than 3 in a single throw of a dice is​

Answers

Answer:

There are two numbers {1,2} which is less than 3. so, required probability P(E) = 2/6 = 1/3.

Step-by-step explanation:

hope this helps

A rectangular prism is a three-dimensional geometric figure, hollow or solid, contained by six rectangular sides that meet at right angles to form eight vertices. The maximum capacity of a rectangular prism is calculated with the formula, V = l · w · h, where V = Volume and l = length, w = width, and h = height. Which of the following situations best models the maximum capacity of the rectangular box shown below? Select all that apply.



V = 250 x2y2 cubic units
V = (10 xy)(10 xy) cubic units
V = (5y)(2x)(10xy)cubic units
V = 100 xy cubic units
V = 100 x2y2 cubic units

Answers

Answer:

1    3   4 i think im not fully sure

Step-by-step explanation:

what is the solution set of the inequality x+2/2≥-7-x/2

Answers

Answer:

[tex]x\geq - \frac{16}{3}[/tex]

Step-by-step explanation:

x +2/2 ≥ -7 - x/2

= x ≥ -16/3 (sign doesn't change since you didn't divide by a negative number).

Ace Carlos

Answer:

[tex]x\geq \frac{-16}{3}[/tex]

Step-by-step explanation:

what's the ratio for 3 stars and 7 circles

Answers

Answer: 3:7

Step-by-step explanation:

There are 3 stars for every 7 circles, thus the ratio is 3:7.

Answer:

3 : 7.

Step-by-step explanation:

For every 3 stars, there are 7 circles. If 3 stars is written first, you'll need to write 3 first in your answer, and 7 second.

This is what it would look like: 3 : 7

With ratios, you could also write,

3 to 7

or

3 / 7

But 3 : 7 is most common :)

Armenia is baking 24 batches of brownies for the bake sale. Each batch of
brownies takes 2 4/5cups of flour. What is a reasonable estimate of the
amount of flour that she will need to bake all twenty-four batches of
brownies?

A.96

B.72

C.60

D.48

Answers

Answer:

72

Step-by-step explanation:

2x24=48

4/5≈1

1x24=72

so its 72

The expression x3(x−y)7−y3(x−y)7 can be rewritten as (x−y)m(x2+y2+nxy). What is the value of m ?

Answers

Answer:

m = 8

Step-by-step explanation:

Given the expression:

x³(x−y)⁷−y³(x−y)⁷

This can also be written as (x³-y³)(x-y)⁷

(x³-y³)(x-y)⁷=  (x-y)⁷ (x³-y³)

Expand  (x³-y³)

x³-y³ = (x-y)(x²+xy+y²)

Substitute back into the original expression:

(x-y)⁷ (x³-y³) = (x-y)⁷(x-y)(x²+xy+y²)

(x-y)⁷ (x³-y³) = (x-y)⁸(x²+xy+y²)

(x-y)⁷ (x³-y³) = (x-y)⁸(x²+y²+xy)

Comparing the result with (x−y)^m(x^2+y^2+nxy).

(x-y)⁸ = (x-y)^m

m = 8

Also:

nxy = xy

n = xy/xy

n = 1

Hence the value of m is 8

The value of m is 8

The expression is given as:

[tex]x^3(x-y)^7-y^3(x-y)^7[/tex]

Factor out (x - y)^7 in the above expression

[tex]x^3(x-y)^7-y^3(x-y)^7 = (x^3 - y^3)(x -y)^7[/tex]

Expand out (x^3 - y^3) as the difference of two cubes

[tex]x^3(x-y)^7-y^3(x-y)^7 = (x-y)(x\²+xy+y\²)(x -y)^7[/tex]

Combine the common factors

[tex]x^3(x-y)^7-y^3(x-y)^7 = (x\²+xy+y\²)(x -y)^8[/tex]

Rewrite the expression as:

[tex]x^3(x-y)^7-y^3(x-y)^7 = (x -y)^8(x\²+xy+y\²)[/tex]

The expression format is given as:

[tex](x-y)^m(x^2+y2^+nxy)[/tex]

So, we have:

[tex](x-y)^m(x^2+y2^+nxy) = (x -y)^8(x\²+xy+y\²)[/tex]

By comparison, we have:

[tex]m = 8[/tex]

Hence, the value of m is 8

Read more about expressions at:

https://brainly.com/question/4344214

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