AHHHHHHHHHHHH
x + y = 8

x - 2y = 4

If you want to solve the system of equations by addition, which of the following could you do?


Multiply the first equation by -2 and add.
Multiply the first equation by 2 and add.
Multiply the second equation by -2 and add.
Multiply the second equation by 2 and add.

Answers

Answer 1

Step-by-step explanation:

Multiply the first equation by 2 and add.

Answer 2
The second one is the answer

Related Questions

Find the slope of the line that passes through the points
(-5,-6) and (5,10)

Answers

Answer:

8/5

Step-by-step explanation:

To find the slope given two points

m = (y2-y1)/(x2-x1)

    = (10- -6)/(5 - -5)

    = (10+6)(5+5)

   = 16/10

   = 8/5

1.6

Step-by-step explanation:

change in y ÷ change in x

(10--6)=16

(5--5)=10

16÷10=1.6

Walter buys a new truck for $38,000. The truck loses value at a rate of 16% per year. Which equation models the value, V(t), in dollars, of the truck after t years?

A.V(t) = 38000(0.16)t B. V(t) = 38000(0.84)t

C.V(t) = 38000(1.16)t D. V(t) = 38000(-0.84)t

Answers

Answer:

V(t) = 38000(0.84)^t

Step-by-step explanation:




Help me on this one for 10 points

Answers

Answer:

m ACG = 17

x = 24

Step-by-step explanation:

[tex]1)\ m\ ACG = x - 7 = 90 - 73 = 17[/tex]

[tex]2)\ x - 7 = 17 => x = 17 + 7 = 24[/tex]

Answer:

m ACG=17
x=24

Explanation:

Plsssss help meeee
This is so hard

Answers

Answer:

C. 6

May the 4th be with you :)

Answer:

x = 6

4(8-6)=8

4(2)=8

8=8

PLEASE HELP WITH ALGEBRA!!!

Answers

Answer: aₙ = 3 + 4ⁿ⁻¹

So the formula would be:

aₙ = 3 + 4ⁿ⁻¹

Where a₁ = 3

Common Ratio (r) = 4

And n = the term number that needs to be found out

Step-by-step explanation:

Let's check if the answer is right:

To find the 1st number in the term we can substitute 1 in for n in the equation:

a₁ = 3 + 4¹⁻¹

a₁ = 3 + 4⁰

a₁ = 3 + 1

a₁ = 4

And if going back and checking the first number in the sequence given is indeed 4, therefore this equation is correct

Hope this helps!

Your grade point average is 3.48. How can you write your grade point average as a fraction?

Answers

Answer:

87/25

Step-by-step explanation:

looked it up hope it helps

Answer:

3.48/1

Step-by-step explanation:

A cyclist travels 6 miles in 45 minutes.
What is his average speed in mph? URGENT URGENT

Answers

Answer:

8 mph

Step-by-step explanation:

45 minutes = 6 miles

1 hour = 8 miles

8 mph the anser tml = thank me later

what is the sum of the probabilities of 2 complementary events
-1
0
1
0.5

Answers

Answer:

1

Step-by-step explanation:

The sum of probability of two complementary events is always equal to 1. This happens because the probability of a complementary event is always determined by deducting the probability of a given event from 1.

Which scatter plot below shows both linear association and negative association between the two variables?

Answers

Answer:

C

Step-by-step explanation:

It is C because negative means it will be going down so it isnt A or B and you can see D has a curve up before it goes down so C is the best answer

hope this helps

please help will mark brainliest

Answers

Answer:

5/6

Step-by-step explanation:

create a proportion:

(1/2÷3/5) = (x÷5/5)

cross-multiply to solve for 'x':

3/5x = 1/2

6x = 5

x = 5/6

Answer:

[tex]\frac{5}{6}[/tex]

Step-by-step explanation:

Ok so one hour is 1/1.

1/1 - 3/5 = 2/5

So Landon has 2/5 of an hour left.

Let's find out how much 1/5 of an hour is in the test.

1/2 ÷ 3 = 1/6

So 1/5 of an hour = 1/6 of the test.

1/6 * 2 = 1/3

1/2 + 1/3 = 5/6

What is the volume of this prism?

Answers

Answer: 24 cubic units

The formula for a prism is l x w x h. So 4 x 2 x 3.

Hope it helps :)

HELP ASAP !!!! CAN SOMEONE HELP ME?!?!

Answers

Answer:

a

Step-by-step explanation:

square formula for area is [tex]s^{4}[/tex]

HELP QUICK!!!

The height of a triangle is 5 cm more than the base. If the area of the triangle 102 cm squared find
the height and length of the base
Height 17 Base 12
Height 18 Base 11
Height 12 Base 7
Height 16 Base 11

Answers

The answer is the height of 17 and base is 12 of this helps mark as brainliest

Find the value of x and y in the parallelogram.

Answers

Answer:

there is no picture

Step-by-step explanation:

Ms. Shaddai writes 3g=51 and (15, 16, 17) on the board. Tell if each value in the set is a solution of the equation.

Answers

Answer:

17 is the answer.

Step-by-step explanation:

There are two ways to do this problem:

a. plug in each value and multiply it by 3. 3x15 is 45, 3x16 is 48, and 3x17 is 51, which is your answer.

b. divide both sides by three and you would get g=17.

55x5[tex]55x5=\\[/tex]

Answers

Answer:

55 times 5 is 275

Step-by-step explanation:

what's the other stuff

Recall the equation for a circle with center ( h , k ) and radius r . At what point in the first quadrant does the line with equation y = 2.5 x + 4 intersect the circle with radius 5 and center (0, 4)?

Answers

Answer: The required point = (1.857,8.643)

Step-by-step explanation:

Equation of circle with center (h,k) and radius r: [tex](x-h)^2+(y-k)^2=r^2[/tex]

Given: Radius = 5 , center = (0,4)

Eqation of circle: [tex](x-0)^2+(y-4)^2=5^2[/tex]

[tex]x^2+(y-4)^2=25[/tex]

[tex]x^2+(2.5x+4-4)^2=25[/tex]  [Using equation y = 2.5 x + 4  ]

[tex]x^2+(2.5x)^2=25[/tex]

[tex]x^2+6.25x^2=25[/tex]

[tex]7.25x^2=25[/tex]

[tex]x^2=3.44827586207[/tex]

[tex]x=1.857[/tex]

[tex]y= 2.5(1.857)+4[/tex]

[tex]=8.6425[/tex]

Hence, the required point = (1.857,8.643)

A computer’s value declines about 7% yearly. Sally bought a computer for $800 in 2005. How much is it worth in 2009.

Answers

Answer:

598

Step-by-step explanation:

800x0.93^4

any help would be cool thanks, will mark branilyist

Answers

i think its b 1/5 im not exactly sure tho

Answer:

1/5 should be the answer

for every 2 teaspoons of vanilla it is 2/5, so for one it has to be 1/5 because 1/5 cup plus 1/5 cup will be 2/5 for 2 teaspoons.

2. Aaron baked two identical cakes. He cut one into 9 equal slices and the other into 19 equal slices.

a) Show that ⅔ of the 9-slice cake gives the asme number of pieces as 1/
3 of the 18 slice cake.

Answers

2/3 x 9 = 6 slices

1/3 x 18 = 6 slices

Hence they give the same number of slices.

solve , 50% of 100 please ASAP , otherwise I will fail​

Answers

Step-by-step explanation:

hope it is helpful to you

The kite shown has a width of 24 inches and a total height of 42 inches. What is the total area of the kite without the tail? Show your work for full

credit.

Answers

Answer:

504 in²

Step-by-step explanation:

The area of a kite is given by :

(a * b) / 2

Where a and b are the width and height of the kite :

Width = 24 inches ; height = 42 inches

Hence,

Area of kite = (24 * 42) / 2

Area of kite = 24 * 21

Area of kite = 504 in²

Please help find the solution.

Answers

Answer:

(-3,-5)

Step-by-step explanation:

The solution to the system of equation is where the two graphs intersect.

They intersect at x=-3 y=-5

How many real roots does the equation (x^2+1)(x-2)=0 have?

A: 3
B: 1
C: 0
D: 2

Answers

0 i think is the answer for

- Three athletic clubs offer different membership costs. The first club charges $20
per month. The second club charges $20 per month plus an application fee of
$10. The third club charges $20 per month and offers a $15.00 reduction in the
first month's membership fees. Write the equations that model the total cost of
membership at the three clubs. Describe how the second and third graphs are
related to the graph of the first club.

Answers

Equations:

y = 20x
y = 20x + 10
y = 20x - 15

The second and third graphs are related to the first graph by having parallel slope, due to the increase in cost total is $20/month.

A committee consisting of faculty members and students is to be formed. Every committee position has the same duties and voting rights. There are faculty members and students eligible to serve on the committee. In how many ways can the committee be formed?

Answers

Answer:

Total number of ways of making the core committee = 3150

Step-by-step explanation:

Complete Question  

A committee consisting of 2 faculty members and 4 students is to be formed. Every committee position has the same duties and voting rights. There are 6 faculty members and 10 students eligible to serve on the committee. In how many ways can the committee be formed?

Solution  

Total Faculty members = 6

Total Students = 10

Out of 6 faculty members, 2 will be chosen for the committee

While 4 students will be chosen out of 10 to be in the committee.  

Hence,  

Total number of ways of making the core committee = 6C2 * 10C4

= 15*210  

= 3150

Please help with this it's due in 30 minutes! Please answer AT LEAST half of questions (and explain how you did it if you only answer half or less) you will receive 30 points! I will be reporting people/bots. Or you can EXPLAIN it to me so I can just do it myself thank you! (:

Answers

Answer:

easy cut the hole shape into samller versions of the shapes and than at the end when u have all the numbers add them to the hart

Step-by-step explanation:

Answer

u=69

d=42

f=35

e=35

g=55

h=45

i=45

m=120

k=15

L=75

j=15

p=21

q=55

t=42

o=69

n=21

a=60

b=60

c=60

Step-by-step explanation:

angles in a triangle add up to 180 degrees

the little squares in the corner mean its a right angle (90 degrees)

the two lines like in the op triangle mean the two angles downwards are the same.

angles in a semicircle add up to 180 degrees

3 lines mean all angles are the exact same

(Sorry i forgot 2 angles dont know which ones i forgot but with the info i gave you should be able to work those two out :)

Annika has a circular garden with a radius of 14 feet. One fourth of the garden is planted with yellow roses. what is the area not planted in yellow roses? Use 22/7 for pi.

Answers

Answer:A

Step-by-step explanation:

3/4*22/7*14^2

=3/4*22/7*14*14

=3*11*2*7

=33*2*7

=66*7

=462

Answer:

462

Step-by-step explanation:

Yani walked the perimeter of a square patio that was 5.3 meters on each side. What is the distance that Yani walked?

Answers

Answer:

21.2 meters

Step-by-step explanation:

The perimeter of a square = 4s

Where, s = side length of the square

Given that, side length, s = 5.3 meters

Perimeter = (4 * 5.3) = 21.2 meters.

Hence, distance Yani walked = perimeter of square patio = 21.2 meters

Find f(–3) if f(x) = –3x – 5.
A –10
B –4
C 4
D 12

Answers

This problem missing something to solve ?
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