how do yo do this question I have to
Solve the System by Substitution:

y = x-2
x + y = 4

Answers

Answer 1
x=4-y would be your answer

Related Questions

1/6 + 7/9 + _____ = 1

Answers

Answer:

[tex] \frac{1}{18} [/tex]

Answer:

3/54

Step-by-step explanation:

6 and 9 both go into 54

1/6=9/54

7/9=42/54

42+9=51

3/54

HELp please!!!!!!!!!!!!!!!!!!!!!!11

Answers

Answer:

it’s 15x+30y-220

Step-by-step explanation:

Because you distribute and then you add the like terms

(2x10^5) divided by (4x10^2)

Answers

Answer:

[tex]\huge\boxed{0.5\times10^3=0.5\times1,000=500}[/tex]

Step-by-step explanation:

[tex](2\times10^5)\div(4\times10^2)=\dfrac{2}{4}\times\dfrac{10^5}{10^2}\\\\\text{use}\ \dfrac{a^n}{a^m}=a^{n-m};\ a\neq0\\\\=0.5\times10^{5-2}=0.5\times10^3=0.5\times1,000=500[/tex]

Marco needs to buy some cat food At the nearest store, 3 bags of cat food cost $16.50. How muc
would Marco spend on 5 bags of cat food?

Answers

He would spend $27.50, because each bag costs $5.50. Multiply that by 5 and you have your answer :)

The pendulum swings at an arc of 30 cm and its successive swings reduced to 10% of the previous swings. What is the total distance travelled by the pendulum after 5 swings? This problem is an example of what sequence?

Answers

Answer:

[tex]S_g= 33.333cm[/tex]

Step-by-step explanation:

From the question we are told that

Arc of 30 cm

10% reduction after each swing

Generally sum of geometric sequence is given by the equation

    [tex]S_g=\frac{a(1-r^n)}{1-r}[/tex]

Mathematically solving for total distance traveled we have

    [tex]S_g=\frac{30(1-(0.10^5)}{1-(0.10)}[/tex]

    [tex]S_g=\frac{30}{0.9}[/tex]

Therefore the total distance traveled  by the pendulum after 5 swings

    [tex]S_g= 33.333cm[/tex]

Need this very badly​

Answers

The answer is 140 Inches because 4 times 7 is 28, 28 times 5 is 140

Find the value of x. Round to the nearest tenth if necessary.

Answers

Answer:

x

Step-by-step explanation:

Jada had some dimes and quarters that had a total value of $12.50. The relationship between the number of dimes, d, and the number of quarters, q, can be expressed by the equation 01.d+0.25q= 12.5.

Question 1 - 1 pts
If Jada has 4 quarters, how many dimes does she have?

Question 2 - 1 pts
If Jada has 10 quarters, how many dimes does she have?

Question 3 - 1 pts
Is the number of dimes a function of the number of quarters? If yes, write a rule (that starts with d =...) that you can use to determine the output, d, from a given input, q. If no, explain why not.

Question 4 - 1 pts
If Jada has 25 dimes, how many quarters does she have?

Question 5 - 1 pts
If Jada has 30 dimes, how many quarters does she have?

Question 6 - 1 pts
Is the number of quarters a function of the number of dimes? If yes, write a rule (that starts with q =...) that you can use to determine the output, q, from a given input, d. If no, explain why not.

Answers

1 She has 115 dimes because 0.10*115=11.5 0.25*4=1.00 11.5+1.00=12.5

2 She has 100 dimes because 0.10*100=10.00 and 0.25*10= 2.5 10+2.5=12.5

3 I think they don’t function because quarters are worth more than a dime.

4 She has 40 quarters because 0.25*40=10.00 0.10*25=2.5 10.00+2.5=12.5.

5 She has 38quarters because 0.25*38=9.5 0.10*30=3 9.5+3=12.5

6 Yes they can function because q=dx-12.5

Ms. Speer's spent a total of $120 while online shopping . Out of the total, $84 was spent just on Amazon. The rest was spent on apple. Write and equation to determine how much Ms. Speer spent at Apple. Write your equation below and determine how much she spent at Apple.

Answers

Answer:

$36 (120-84)

Step-by-step explanation:

Apple = 120-84

Apple = 36

Apple = 36

what is -6=x/18 please​

Answers

Answer: -108

Step-by-step explanation:

-6 = x/18

-6 * 18 = x

-108 = x

Jacob paid $89.59 for a portable e-book reader plus 9% tax. What is the cost of the
e-book reader including tax?

Answers

Answer:

$97.65

Step-by-step explanation:

$89.59 + $8.06 = $97.65

Maribel sold 20% of the cupcakes she made. If she sold 35 cupcakes, then she made how many
cupcakes in all.

Answers

Answer:

20% x 5= 100%

35 x 5= 175

she has a total of 175 cupcakes

Max is building a treehouse. He has a piece of wood that is 6 ft long. How many 1/3 ft pieces of wood can you cut

Answers

Answer:

18 pieces

Step-by-step explanation:

Max is building a treehouse. He has a piece of wood that is 6 ft long. How many 1/3 ft pieces of wood can you cut?

From the above question, we can deduce that:

1 piece of wood = 1/3ft

Hence:

1/3 = 1 piece of wood

6 ft = x

Cross Multiply

1/3ft × x = 6 ft × 1

x = 6 / 1/3

x = 6 × 3

x = 18 pieces

Hence, you can cut 18 (1/3 ft )pieces of wood .

a bus traveled for 540 miles in 12 hours. was it traveling at a faster or slower rate than the car? show your work to explain

Answers

how fast is the car going??? cuz the bus is going 45 mph

Answer:

It is at 45. So you need to determine is it faster of slower. You didn't put the whole question.

Step-by-step explanation:

Sols the system 2x+y = 1 y = -2x^2+3x+1​

Answers

Answer:y=(-2x+1) (x+1)

Step-by-step explanation:

2x+y=-2x^2 +3x+1

y=-2x^2+x+1

y=-2x^2 -2x+x+1

y=-2x(x+1) +1(x+1)

y=(-2x+1) (x+1)

Identify the constant of proportionality from the table.

Answers

It’s A. 9 the equation is y=9x+0

Answer:

A. 9

Step-by-step explanation:

A P E X

Mr. Demers is making a drink by adding flavor drops to his water. If he puts 3 drops in a 12 ounce glass of water, how many ounces does he use PER DROP?

Answers

Answer:

Step-by-step explanation: if he puts 3 drops in a 12 ounce glass of water he should be using 4 ounces per drop 12 ounces divided by 3 drops gives you 4 ounces per drop

Answer: 4 ounces per drop

=======================================================

Explanation:

"Per drop" means "per 1 drop" or "for each 1 drop".

We start off with the ratio of

3 drops: 12 ounces

Divide both parts of that ratio by 3 so that "3 drops" turns into "1 drop"

Doing so gets us the new ratio of

1 drop: 4 ounces

So he uses 4 ounces per drop.

what is the ordered pair to y=7x-2

Answers

It would be (0,-2) I believe

What is a system of equations?

Answers

Answer:

A system of equations is a set of equations which are collectively satisfied by one solution of the variables.

A bicycle shop advertised all mountain bikes priced at a 1/3
discount. If the original price is $432, what is the sales
price?

Answers

Answer:

$288

Step-by-step explanation:

1/3 of a discount is = 2/3 of price

Multiply 432 by 2/3 and get 288.

Answer:

$288

Step-by-step explanation:

A 1/3 discount is .3333333... percent and so you simplify to .33 or 33% of a discount.

Multiply 432x.33 = 144

Subtract 432-144 to get 288 as you answer

Round to the nearest hundredth O(5x + 2) = 2(9x - 6) Type your answer...​

Answers

Answer:

Solving the expression and round to the nearest hundredth

[tex]0(5x+2)=2(9x-6)[/tex] we get [tex]\mathbf{x=0.67}[/tex]

Step-by-step explanation:

We need to solve the expression and round to the nearest hundredth

[tex]0(5x+2)=2(9x-6)[/tex]

Solving:

[tex]0(5x+2)=2(9x-6)[/tex]

We know that multiplying anything by zero we get zero

[tex]0=2(9x-6)[/tex]

Switching sides

[tex]2(9x-6)=0[/tex]

Multiplying 2 with terms inside the bracket

[tex]18x-12=0[/tex]

Adding 12 on both sides

[tex]18x-12+12=0+12\\18x=12[/tex]

Divide both sides by 18

[tex]\frac{18x}{18}=\frac{12}{18}\\x=0.666[/tex]

Rounding to nearest hundredth we get:

[tex]x=0.67[/tex]

So, solving the expression and round to the nearest hundredth

[tex]0(5x+2)=2(9x-6)[/tex] we get [tex]\mathbf{x=0.67}[/tex]

MATH PLSS (I'LL TRY TO GIVE BRAINLIEST)

Answers

Answer:

b

Step-by-step explanation:

the first graph: use the points (0,1) and (4,2) to get a slope of 1/4

function b's slope is 3/4, clearly greater. so B

Well, the answer to this question is function B

Andre types 208 words in 4 minutes. Noah typed 342 words in 6 minutes
A) Who typed faster
B) How many words can andre type in 10 minutes
C)Would you find the unit rate of words per minute or the unit rate of minutes per word to
figure out how long it would take Noah to write 1710 words? Why? (You do not need to
solve, just choose and explain why).

Answers

Answer:

Noah types faster because he can type more words per minute.

Step-by-step explanation:

For Andre you would divide 208 words by 4 minutes getting 52 words per minute. Then, for Noah divide 342 words by 6 minutes getting 57 words per minute.

Sally sells sea-shells by the seashore. After 6 days, she has made
$16. After 17 days, she has made $60. How much does Sally
make each day?

Answers

Answer:

the right answer is$2.66

___% of 25 = 15
Pls help-

Answers

Answer: 60%

Step-by-step explanation: i hope it helps.

Answer:

60%

Step-by-step explanation:

Can anyone help solve this?

Answers

Answer: m∠XYQ = 122°

Step-by-step explanation:

m∠XYQ + m∠QYZ = 180°

(10a + 2) + (5a - 2) = 180

15a = 180

a = 12

m∠XYQ = 10a + 2

m∠XYQ = 10 (12) + 2 = 122

m∠XYQ = 122°

what is -2k + (-4k) + 5

Answers

if you want it simplified -6k+5, if you need the answer lmk
I believe it is -6 or if your evaluating it it’s 5-6k I think

A football player has made 80% of the field goals he has attempted in his career. If he
attempts 45 field goals in a season, how many would he be expected to make?

PLEASE ANWSER SERIOUSLY

Answers

Answer:

im pretty sure its 56.25 cus 45= 80% of 56.25

Step-by-step explanation:

A mouse ran a 360 centimeters course in 9 seconds , how fast did it run ?

Answers

Answer:

r=d/t

r=360 cm / 9 sec= 40 cm per second

Hope that helps :)

Answer:

40 centimeters per second.

Step-by-step explanation:

360 divided by 9= 40

ChIcKeN nUgGeTs :>

The area of a rectangle is 1,872 ft2. The ratio of the length to the width is 9:13. Find the perimeter of the rectangle. A. 88 ft B. 117 ft C. 168 ft D. 176 ft

Answers

Answer:

Length = 36

Width = 52

Step-by-step explanation:

Area of rectangle = Length * width

Length = L ; Width = W

Area (A) = 1872 ft²

Ratio L:W = 9:13

Hence,

1872 = lw - - - (1)

l/w = 9/13 - - - (2)

From (2)

13l = 9w

l = (9/13)w - - (3)

Put (3) into (1)

1872 = (9/13)w * w

1872 = 9/13 w²

24336 = 9w²

24336 / 9 = w²

2704 = w²

w = 52

If w = 52

1872 = 52 * l

l = 1872 / 52

l = 36

Length = 36

Width = 52

Other Questions
Help please Im begging you Find the lcm of 5m^7+ 35m^6+50m^5 And -20m^5-80m^4+100^3 Is reading books outdated are Technological Gadgets better learning modes? Multiply The polynomials. (3x^2+4x+4)(2x-4) The American Association of Individual Investors (AAII) polls it subscribers on a weekly basis to determine the number who are bullish, bearish, or neutral on the short term prospects for the stock market. Their findings for the week ending March 2, 2014, are as follows: Bullish 409 Neutral 299 Bearish 291 Develop a point estimate of the following population parameters. The proportion of all AAII subscribers who are bullish on the stock market. The three angles of a triangle measure x+37, 90, and x+67. Find the measurement of the smallest angle in degrees. How many times should you multiply 15 to equal 60 seconds PLEASE HELP! PLEASE HELP PLEASE I REALLY NEED HELP JUST SAY LIKE ABC OR D AND PLEASE DO THE CORRECT ANSWER Simplify the expression below:5(2x - 4y) Subject: Grammar The Simple and Progressive Past Tenses A-Fill in the blanks with the simple past tense of the given verbs: All of a sudden, Jake (feel) earthquake beneath his feet. It (be) ............ not strong enough to frighten anybody, but Jake, who (have) .already felt dozens of shocks, (think) ... it (be)... .......odd. The houses several times, then all again. Soon, he (notice) below (shake) (become)....... (darken) ...still something even stranger. The sea ...all of a sudden and (seem) to be rushing backward. B-Supply the correct simple or continuous past tense verb. 1. In 1995, a team of scientists (study) space when they (discovered) satellites. 2. Around ten years ago, I (climb). Baboquivari Peak. I (climb) peak and (enjoy). of each outer eleven Jovian this beautiful the fascinating desert landscape when a sudden incident (change) my perspective. 3. They (go) (indicate) up a steep slope when their maps that they (approach) their destination. 4. Two years ago, scientists from the University of Chicago (find) while they (dig) the most complete skeleton of dinosaur for fossils in Nigeria. PLEASE HELP. I don't understand! I will give brainliest! Below is a graph that contains the lines for all the above equations. Find the line that represents each equation, based on the ordered pairs, and write the equation next to each letter for the line that it represents.What is the equation for A, B, and E? A family is skating at an ice rink. The 58.2 kg mother is holding thehand of her 35.5 kg daughter. The father grabs his wife's free hand and pulls horizontally with a constant force of 100. N. Assume that the skates glide without friction on the ice and that the family's hands andarms approximate ideal strings. How much net force does the daughter experience? A vending machine that serves coffee pours a varying amount of liquid into a cup with varying mass. Assumethat the masses of the liquid and the cup are independent.Here are summary statistics for the masses of the liquid and the cups:MeanStandard deviationLiquidHL250 gD = 20 gCupHC = 150ga = 10gLet T = the total mass of a randomly selected cup filled with liquid from this machine.Find the mean of T.HT =gramsStuck? Watch a video or use a hint.Report a problem 2)Which of the following is the process of resolution of a legal conflict ? i was scripting for my game design clas and i was just creating a story based game. its not really a question but could you guys (meaning fellow users) give it a go? not done yet tho..file:///C:/Users/Gamer_x9/Downloads/A%20New%20Beginning.htmlits not an adobe link that pulls another tab dw i would never two more than 16 times a number is the same as 21 less than the product of -7 and the number What is your detailed interpretation of the first amendment? select the three objectives mosquitoes hovered around the small puddle of still murky water in the background What is a claim? (what does it answer?) What was it like on the prison ships?