EQ: How do you use elimination to solve a system of
equations?

Answers

Answer 1

Answer:

Step-by-step explanation:

when you use elimination you want to set two of the terms, in the different equations,  equal to each other and then subtract the entire equation from the other,  so that the two terms cancel out.    Then you have an equation with one less variable in it.  :)  


Related Questions

Marissa earns $120 per week working part time at a local bakery.

part A:
what are her deductible if 25% is take out for taxes

part B:
what is the amount of her paycheck after deductions

Answers

It will be 3 because of you do 25 percent and of 120 it will be condu Fred as three

What is the measure of Adc ??!??

Answers

Answer:

Step-by-step explanation:

Although the VNA ADC is measuring voltage (-10V to +10V range in 14 bits), by using a trace formula, this voltage can represent other types of measurement parameters (such as current, temperature, or a scaled voltage).

help me pleaseee, right answers xxo

Answers

Answer:

1. C - Directly Proportional Graph

2. D - Square Root Graph (I don't know, I just eliminated it from all the other options xD)

3. A - Exponential Graph

4. B - Reciprocal Graph


Enter 14% as a fraction in simplest form.

Answers

Answer:

0.14 or 7/50

Step-by-step explanation:

A washer and a dryer cost $662 combined. The washer costs $88 less than the dryer. What is the cost of the dryer?

Answers

Answer:

Step-by-step explanation:First you have to subtract 662-88 and you work it on paper so its easier and when you find the answer its 574

The cost of the dryer is $574.

Can someone tell me how to do this? This is so confusing to me.

Answers

Answer:

A. Rate of Change: 25/1

B. Initial Value: 100

C. Y=25x+100

D. After 6 months the cost is 250$

E. 475=25x+100

475=25x+100

375=25x

x=15

So E. is 15 months

Step-by-step explanation:

Which of these cannot represent the lengths of the sides of a right triangle?
03 ft, 4 ft, 5 ft
O 6 in., 8 in., 10 in.
O 16 cm, 63 cm, 65 cm
O8 m. 9 m, 10 m

Answers

Answer:

16 cm, 63 cm, 65 cm

Step-by-step explanation:

Because those side lengths are to big to make a right triangle

Heeeelp me Asp need this

Answers

Answer:

False; True; True

Step-by-step explanation:

If the radius is 4, the area of the circle is

pi*r*r = pi * 4 * 4 = 16pi; The second statement is true.

The entire circle's "angle" is 2pi, so the sector takes (2pi/3) / 2pi of it all, equal to 1/3 of the entire circle - hence the area of the sector is

16pi * 1/3 = 16pi/3; the first statement is false

The length of the entire circle is 2 * pi * r = 2 * pi * 4 = 8pi

The sector is 1/3 of that, so 8pi/3; the third statement is true.

please help with this question​

Answers

The answer would be x=3

I need this done today whoever gets this correct gets brainliest!!! PLZZ HELPP MEE!!!
hurryy!!

Answers

Explanation is in the file

tinyurl.com/wpazsebu

I’m pretty sure the answer is c I’m so sorry if I’m wrong

Find the surface area and volume of a cube with sides that are 8 meters.

Answers

8*8*8 or 8^3 is the equation, the answer is 512

simplify polynomials 11x⁴+3x²-10+2x³-3x⁴+9​

Answers

8x4 + 3x2 -1 + 2x3
Answer = 8x4 + 2x3 + 3x2 -1

A certain pipe can be used to fill a pool with water in 2 hours. A second pipe can be used to fill the pool in 4 hours. How long does it take to fill the pool when both pipes are used at the same time?​

Answers

Answer:

1 1/3 hours

Step-by-step explanation:

Pipe 1 alone:

fills the pool in 2 hours

in 1 hour, it fills 1/2 of the pool

Pipe 2 alone:

fills the pool in 4 hours

in 1 hour, it fills 1/4 of the pool

Pipe 1 and Pipe 2 working together:

fill the pool in x hours

in 1 hour, they fill 1/x of the pool

Working together, in 1 hour the two pipes fill 1/2 + 1/4 of the pool.

Working together, in 1 hour the two pipes fill 1/x of the pool.

Therefore,

1/2 + 1/4 = 1/x

2/4 + 1/4 = 1/x

3/4 = 1/x

x = 4/3

x = 1 1/3

Answer: 1 1/3 hours

Jason a 4 lengths of rope. The lengths are 3 inches, 15 centimeters, 0.3 meters, and 0.5 feet. About how much rope does Jason have [1 inch = 2.5 cm]

Answers

Answer: 67.5 cm

Step-by-step explanation:

Jason has 4 lengths of ropes

first is [tex]3\ in.\approx 7.5\ cm[/tex]

second is [tex]15\ cm[/tex]

Third is [tex]0.3\ m\approx 30\ cm\quad [\text{1 m = 100 cm}][/tex]

fourth is [tex]0.5\ ft\approx 6\ in.\approx 15\ cm\quad [\text{1 ft=12 in.}][/tex]

the total length of rope is the sum of four lengths

[tex]\Rightarrow 7.5+15+30+15=67.5\ cm[/tex]

The slope of a line Ax + By + C = 0 is
A. m = A/B
B. m = -A/C
C. m = B/A
D. m = -A/B

Answers

Hope this helps :)
Enjoy ur day

PLEASE HELP ME SOLVE THIS. Find the value of x and y. Round your answer to the nearest tenth. ​

Answers

sin20 = x/5
5sin20 = x

x = 1.71

cos20 = y/5
5cos20 = y

y = 4.70

Hope this helps.

What is the area of the triangle

Answers

area is base x height divide by 2
5 in x 1 ft = 5 ft in
divide by 2 is 2.5 ft in

Answer:

30 inches squared

Step-by-step explanation:

The formula for a RIGHT triangle is:

[tex]A= \frac{ab}{2}[/tex]

We are given..

a = 5 inchesb = 1 foot = 12 inches

Therefore...

[tex]A = \frac{5(12)}{2}[/tex]

[tex]A=\frac{60}{2}[/tex]

[tex]A = 30[/tex]

Kevin started the number pattern shown below using the rule "start with 1, multiply the previous number by 3 then add 2 to the result to get the next number." 1, 5, 17, …… What is the fifth number in her pattern?

Answers

Answer: 161

Step-by-step explanation:

From the question, the rule is that we start with 1, multiply the previous number by 3 then add 2 to the result to get the next number.

Based on the numbers already given such as 1, 5, 17, the 4th number will be:

= (17 × 3) + 2

= 51 + 2

= 53

The 5th number will be:

= (53 × 3) + 2

= 159 + 2

= 161

Given ABCD - WXYZ, Find the length of the segment AD, If Ab=12 WX=20 and WZ=8

PLEASE HELP IM GONNA FAIL WILL GIVE BRAINLESS

Answers

Answer:

8

Step-by-step explanation:

the length of segment AD would be 8 since segment AD and segment WZ are equal in length!

Select all the equations that have no solution and state your reasoning as of "why" they do not have a solution. +6=5+ x+6=5+x −2(−3)=-2+6 −2(x−3)=-2x+6 4−4=3+2 4−4x=3x+2 4(+1)=3(+2) 4(x+1)=3(x+2) 5−3=-3+4 5−3x=-3x+4

Answers

Equations:

[tex]x+6=5+x[/tex]

[tex]-2(x-3)=-2x+6[/tex]

[tex]4-4x=3x+2[/tex]

[tex]4(x+1)=3(x+2)[/tex]

[tex]5-3x=-3x+4[/tex]

Answer:

[tex]x+6=5+x[/tex]

[tex]5-3x=-3x+4[/tex]

Step-by-step explanation:

Given

[tex]x+6=5+x[/tex]

[tex]-2(x-3)=-2x+6[/tex]

[tex]4-4x=3x+2[/tex]

[tex]4(x+1)=3(x+2)[/tex]

[tex]5-3x=-3x+4[/tex]

Required:

Which have no solution

[tex]x+6=5+x[/tex]

Subtract x from both sides

[tex]x -x+6 = 5 + x - x[/tex]

[tex]6 = 5[/tex]

[tex]x+6=5+x[/tex] has no solution because [tex]6 \ne 5[/tex]

[tex]-2(x-3)=-2x+6[/tex]

Open bracket

[tex]-2x + 6 = -2x + 6[/tex]

Both sides are equal.

Hence, there is an [tex]Infinite\ Number[/tex] of Solutions

[tex]4-4x=3x+2[/tex]

Collect like terms

[tex]-3x - 4x = 2 - 4[/tex]

[tex]-7x = -2[/tex]

Solve for x

[tex]x = \frac{-2}{-7}[/tex]

[tex]x = \frac{2}{7}[/tex] --- This has a solution

[tex]4(x+1)=3(x+2)[/tex]

Open brackets

[tex]4x + 4 = 3x + 6[/tex]

Collect like terms

[tex]4x-3x = 6 - 4[/tex]

[tex]x = 2[/tex] --- This has a solution

[tex]5-3x=-3x+4[/tex]

Add 3x to both sides

[tex]5 - 3x + 3x = -3x + 3x + 4[/tex]

[tex]5 = 4[/tex]

[tex]5-3x=-3x+4[/tex] has no solution because [tex]5 \ne 4[/tex]

15 POINTS PLEASE HELP!!

Quadrilateral ABCD with vertices A(-1, 0), B(3, 3), C(6, -1) and D(x, -y). If vertices ABCD forms a square, find the length of diagonal BD. Round your answer to the nearest hundredth.

Answers

Answer:

7.07

Step-by-step explanation:

Find vertices D with desmos (it's 2,-4).

Use the distance formula or diagonal=a√2 (d=5√2)

Multiply them and get 7.07.

Since the vertices forms a square, all sides are the same length which is 5.

Also you bca kid rt?

This is what I need to find
Area:
Primeter:

Answers

area is 40
perimeter 14

can u help me with this and show work i only have 20 min and theres more

Answers

180 - 145 = 35

180 - 80 - 35 = 65

x = 65

The track and field coach records Ian's 400-meter race times during three practices. How much greater was the percent of change from Practice 1 to Practice 2 than from Practice 2 to Practice 3? Round to the nearest tenth.

Answers

Answer:

d.  1.5%

Step-by-step explanation:

Given - The track and field coach records Ian's 400-meter race times during three practices.

Practice        1          2           3

Time (s)         63       60        58

To find - How much greater was the percent of change from Practice 1 to Practice 2 than from Practice 2 to Practice 3? Round to the nearest tenth.

a. 7.9%

b.  4.8%

c.  3.3%

d.  1.5%

Proof -

% change from Practice 1 to Practice 2 change = [tex]\frac{60 - 63}{63}. 100[/tex]%

                                                                           = [tex]-\frac{3}{63}.100[/tex]% = - 4.761904762 %

⇒% change from Practice 1 to Practice 2 change = - 4.762 %

Now,

% change from Practice 2 to Practice 3 change = [tex]\frac{58 - 60}{60}. 100[/tex]%

                                                                           = [tex]-\frac{2}{60}.100[/tex]% = - 3.334 %

⇒% change from Practice 2 to Practice 3 change = - 3.3334 %

So,

- 4.461904762% - (- 3.3334%) = -4.461904762 + 3.3334 % = -1.4285 % ≈ 1.5%

∴ we get

Value = 1.5%

The correct option is - d.  1.5%

Hey, can someone help me on this problem?

Answers

Answer:

1st one, 4th one, and 5th one

Step-by-step explanation:

Answer:

red, blue and purple

hey There!

for the first one

2*2=4

4*2=8

8*2= 16 so blue is correct

8*8=64 so cyan is not correct

2^8=256 so yellow is not correct

4*4=16 so red is correct

2^4 is the same as 2*2*2*2 which equals 16 so purple is also correct

A. 4 m
B. 5 m
C. 6 m
D. 8 m

Answers

Answer:

A. 4m

Step-by-step explanation:

r= sqrt (64pi)/(pi*4) = 4m

6TH GRADE MATH HELP ME PLSS IM SUPER LOSTTT!!! 26 people bought fishes in all and 22 people bought up to 4 fishes and 4 people bought more than 4 fishes.

What fraction of the customers purchased fewer than 4 fish? Write your answer in simplest form.

Answers

Answer:

I think you're just supposed to multiply so i think the answer is 15

Step-by-step explanation:

The sculpture consists of four identical prisms. Jane says the surface area of the sculpture is 4 times the surface area of one prism. Which statement about jane's method is true?

Answers

Options:

A.) Jane should multiply volumes, not areas.

B.) Jane should also subtract the areas of six hidden surfaces.

C.) Jane should also add the areas of six hidden surfaces.

D.) Jane is correct.

Answer:

B.) Jane should also subtract the areas of six hidden surfaces.

Step-by-step explanation:

When three-dimensional solids are joined together to form a solid, some surfaces will be visible while others won't.

When calculating the surface areas of such shapes, we only consider the visible parts (i.e. the areas of the hidden parts will be subtracted from the total areas of the individual shapes).

Since the sculpture is not attached to this question, we can assume that there are 6 hidden surfaces (as suggested by the options). The areas of these 6 hidden surfaces must be subtracted to get the actual surface area.

Answer:

Jane should also subtract the areas of six hidden surfaces.

Step-by-step explanation:

I just did it on Imagine Math

Find the area of the trapezoid. ​

Answers

Answer:

A 303.66

Step-by-step explanation:

b1+b2÷2×h is the formula.

So step by step.

29.2+19=48.2

48.2÷2=24.1

24.1×12.6=303.66

The area of a trapezoid is 303.66 square in having a height of 12.6 in and its long and short bases are 29.2 in and 19 in respectively.

It is given that the trapezoid has a height of 12.6 in and its sides 19 in, 29.2 in, and 14.5 in respectively.

It is required to find the area of a trapezoid.

What is a trapezoid?

It is defined as the quadrilateral having a four-sided closed shape with two sides parallel to each other.

We know the formula for the area of a trapezoid:

[tex]\rm Area = \frac{a+b}{2} \times h[/tex]   Where 'a' is the long base, 'b' is the short base and 'h' is the height.

We have a = 29.2 in

               b = 19 in

               h = 12.6

By putting these values in the formula, we get:

[tex]\rm=\frac{a+b}{2} \times h\\\\=\frac{29.2+19}{2} \times 12.6\\\\=\rm \frac{48.2}{2} \times 12.6\\\\\rm= 24.1 \times 12.6\\\\\rm= 303.66 \ in^2[/tex]

Thus, the area of a trapezoid is 303.66 square in having a height of 12.6 in and its long and short bases are 29.2 in and 19 in respectively.

Learn more about the trapezoid here:

https://brainly.com/question/4758162

what is the volume of this rectangle prism

Answers

262 1/2ft^3
multiply all the numbers and that's what you'll get
Other Questions
which equation represents the graph below A. y= x^2 + 3 B. y= -x^2 + 3 C. y= -x + 3 D. y= -x^2 Which answer is it? I really need help here help me plzPleaaseeeee aaaaaa help me :c Y'ALL DO NOT LISTEN TO THE PEOPLE WHO HAVE A VERIFIED CHECK! THEIR ANSWERS ARE WRONG. 3 x q x 7 x q= ___. Can someone help? help me plz due in 20 minutes Match each situation with the conflict escalation stage that best describes it. Answer Key Terms Descriptions Hardening A. You and your opponent calmly discuss the objective issues involved in the conflict. Fragmentation of the enemy B. Your opponent tells your coworkers that you lied to her about how much money was left in the budget that you both have been discussing how to manage. Images and coalitions C. Rather than discussing the issues the goal becomes winning. You try to mobilize your colleagues to support your position. Loss of face D. Communication with your opponent is ended as winning is no longer possible. The goal becomes outlasting your opponent and destroying her power base. A cube-shaped box has a volume of 1000 cubic inches. How tall is the box? Who was one of the few well known female writers of the Renaissance who wrote about equal rights and education for women?WollstonecraftAlighieriCervantesde Pisan Look at the picture below and answer the question that is being asked Como organizaron los incas su gobierno y susociedad? HELP PLSS IT WOULD BE NICE Will has a spinner with six equal sections numbered one through six. If Will spins the spinner 150 times, how many times can he expect to spin a number less than 5 Determine the volume of the composite figure displayed.A108 cm3B60 cm336 cm3D20 cm3 In a classroom, there are 3 more girls than boys and the ratio of girls to boys is 6 to 5.What are the total number of students in the class? [tex] {3x}^{2} - 3x - 5 = 0[/tex] pls help!!!!!Activity log - Moving Around the Perimeter of a RoomRecord your time and activity below and in your unit fitness log. If a particular category does not apply, leave it blank.Date: Warm-up: Cool-down: Type of Activity: (Cardiovascular, Muscular, or Flexibility) Description of Activity and Time: Intensity Level: (Moderate or Vigorous) Total Time: What causes "changing" motion?Balanced forcesUnbalanced ForcesSteady MotionThe force LOOK AT THE PICTURE!! What is the surface area of a right circular cylinder with a diameter of 14 meters and a height of 9 meters