8x + 10y = 8
X = -y
Solve the system by substitution

Answers

Answer 1
x=-4 y=4 i’m pretty sure
Answer 2

Answer:

Step-by-step explanation:

X = -4 , Y = 4


Related Questions

What is the equation of the line below?

Answers

Answer:

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

Step-by-step explanation:

The equation of the line shown can be expressed in the slope-intercept formula as [tex] y = mx + b [/tex]

Let's find m = slope, and b = y-intercept.

Using two points on the line, (0, 1) and (1½, 0),

[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{0 - 1}{\frac{3}{2} - 0} = \frac{-1}{\frac{3}{2}} = - \frac{2}{3} [/tex]

y-intercept, b is where the line intercepts the y-axis = 1.

To create an equation for the line, substitute m = -⅔, b = 1 in [tex] y = mx + b [/tex].

✅The equation would be:

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

Johan is mixing paint he mixes 2 2/3 pints of blue paint and 4 1/6 pints of yellow paint. Which of the following has a ratio of blue paint to yellow paint that is proportional to amounts used in johans paint mixture

Answers

Answer:

R = 16:25

Step-by-step explanation:

Given that,

Johan mixes 2 2/3 pints of blue paint and 4 1/6 pints of yellow paint.

We need to find the ratio of blue paint to yellow paint. It can be calculated as follows :

[tex]R=\dfrac{\text{blue paint}}{\text{yellow paint}}\\\\=\dfrac{2\dfrac{2}{3}}{4\dfrac{1}{6}}\\\\=\dfrac{\dfrac{8}{3}}{\dfrac{25}{6}}\\\\=\dfrac{8}{3}\times \dfrac{6}{25}\\\\=\dfrac{16}{25}[/tex]

So, the required ratio is 16:25.

Directions: Fill in the blank place value chat. Round to the nearest place value 2.431 what is the nearest whole number and the nearest tenth and where would you put the number in a place value chart

Answers

Answer:

3,266.53

Rounded to the nearest 0.01 or

the Hundredths Place.

Step-by-step explanation:

Sing for a bicycle race. She recorded the distance he traveled in miles per hour on a graph. Determine the rate of change

Answers

Answer:

B

Step-by-step explanation: I got this right on the quiz.

What is the Area of a circle with a radius of 2xy

Answers

Answer:

So the area of the circle with radius 2xy is 4px2y2.

What is a expression equivalent to 4-(-7) ​

Answers

Answer:

4 + 711

I hope this helps!

The person above me might be correct, but this is what i think:

The 2 negatives cancel out each other and become positive, and because their is no symbol it is multiplication
+4 , +7
4x7
28

Hint: To be collinear, show that : AB
t
SP SQ
यदि P र Q दुई बिन्दुहरू हुन् जसका निर्देशाङ्कहरू क्रमशः (ark, 2at) र (1) र S बिन्दु (a, 0) भए
( 4 )
बाट मुक्त छ भनी देखाउनुहोस् ।
IP and Q are two points whose co-ordinates are (at', 2at) and (a/t^2 , 2a/t)
respectively and S is the point
(a,0). Show that(1/SP +1/SQ)
SO
is independent of t.
ANSWERS​

Answers

Answer:

As the points are collinear, the slope of the line joining

any two points, should be same as the slope of the line joining two other

points.

Slope of the line passing through points (x

1

,y

1

) and (x

2

,y

2

) =

x

2

−x

1

y

2

−y

1

So, slope of the line joining (p,0),(0,q)= Slope of the line joining

(0,q) and (1,1)

0−p

q−0

=

1−0

1−q

p

q

=1−q

Dividing both sides by q,

p

1

=

q

1

−1

=>

p

1

+

q

1

=1

Answer:

answer is 1 hope this helps you helps so like this

Please help
Picture inserted
Multiple choice
Will appreciate it if you help!

Answers

Answer:

Step-by-step explanation:

Linear; can be written in the form y = 5x + 4

an. is a set of numbers used to locate a point on the coordinate plane

Answers

“Ordered pair”
Example (3,2)

Help pls hurryyyy!!?!!

Answers

Answer:

The second option is correct

Step-by-step explanation:

a number times a negative is positive, but then if you multiply the positive by another negative, the answer is negative

Help with these questions to

Answers

Answer:

Step-by-step explanation:

the formula for calculating the perimeter of a circle (the circumference C) is:

2π * r

And the area is:

π * r²

r is the radius.

Radius is the half of the diameter. The diameter here is equal to two square. One square is 5 of side.

The diameter is 10 and the radius is 5

C = 2 * 3.14 * 5 = 31.4A = 3.14 * 5² = 3.14 * 25 = 78.5

It is the same for the other circle

A house on the market was valued at 238,000. After several years, the value decreased by 15% . By how much did the house's value decrease in dollars? What is the current value of the house? Decrease in value and current house value

Answers

Answer:

The current house value is $202,300 and the house's decrease in dollars is $35,700.

Step-by-step explanation:

The house on the market was valued at $238,000. After years, it decreased by 15%. So, let's calculate 15% of the total amount.

238,000 x 0.15 = $35,700

Therefore, the house's decrease in dollars is $35,700

To calculate the current value of the house, we need to subtract the value decrease from the original amount.

238,000 - 35,700 = $202,300

Therefore, the current house value is $202,300.

Hope this helps! :)

Cara saw an advertisement claiming 5 out of
6 students prefer talking on the phone over texting. She predicts that
500 out of 600 students prefer talking on the phone. Explain why her
prediction could be false.

Answers

Answer:

It could be false because a) advertisements can't be truested, b) 6 people is not a great number, so it can't be held true.


Suppose that hot dogs come in packs of 9 and buns come in packs of 7. Jim bought the same number of hot dogs as buns. It was the least number of each for
which this was possible.
Answer the following question

Answers

List the multiples of each qty:

7, 14, 21, 28,35,42,49,56,63

9, 18, 27, 36, 45, 54, 63

The least common multiple is 63

He bought 63 hotdogs and buns

Answer:

63

Step-by-step explanation:

PLEASE HELP ME WITH THIS QUESTION ASAP

Answers

Answer:

its 11-17/-3+5 to find the slope its y1-y2 over the difference of the c

Which best describes the discriminant of the functions whose
graph is shown?
A. Negative
B. Zero
C. Positive
D. Undefined

Answers

D. Undefined because it is a slop that goes up then back down

Are the given lines parallel? Explain your reasoning.
3. x = -1, y = 2
4. x = 0, x= -3
5. y = 1, y = 5

Answers

3: no it’s not, one is horizontal and the other is vertical
4: yes it is, same variable and axis
5: yes it is, same variable and axis

GIVING FIFTEEN POINTS PLS ITS DUE IN A HOUR
G=20
H=2
(g-5+15h)+h

Answers

Answer: i think its B

Step-by-step explanation: Because ✨

Answer:

47

Step-by-step explanation:

Add the numbers into the expression. Use PEMDAS to solve. Multiply 15 and 2 first, then go left to right. 20-5=15. 15+30 (got 30 from 15 times 2) =45. 45+2= 47.

PLEASE HELP ME Given the equation fine f(6)

F(x)=-4x-1

Answers

Answer:

-25 plug in 6 for x and minus one

Step-by-step explanation:

Answer:

F(6)=-25

Step-by-step explanation:

F(x) = -4x-1

F(6) means x=6

F(6)=-4(6)-1=-24-1=-25

F(6)=-25

what is the formula of Cosec (A+B)=​

Answers

Answer:

c

Step-by-step explanation:

because it's A.B

C.D.

Determine the x- and y- intercepts for the graph defined by the given equation.
x = -9
a. X-intercept is (-9,0)
C. No x-intercept
No y-intercept
y-intercept is (0, -9)
b. No x-intercept
d. x-intercept is (0, -9)
y-intercept is (-9,0)
No y-intercept

Answers

❤❤❤❤❤❤❤❤❤❤❤❤❤❤

[tex]x - intercept = ( \: - 9 \: , \: 0 \: )[/tex]

[tex]No \: \: \: y - intercept [/tex]

❤❤❤❤❤❤❤❤❤❤❤❤❤❤

Answer:A

Step-by-step explanation:

passed the test

A 45,000 car depreciates 12% each year. How much does the car decrease by the end of the first year??

Answers

Answer:

The car depreciates by $5,400 each year (%12 of 45,000)

By the end of the first year, the car will be worth $39,600

What the answer plz help fast? If you get it right i will mark you brainless ❤️

Answers

Answer:

You'll mark me brainless?! I shouldn't answer corectly then XD

The answer (keep in mind that i'm answering incorrectly) A, or B, or D, or E.

Do you see what I did there ;)

Step-by-step explanation:

May I have brainliest please :)

Answer:

c

Step-by-step explanation:

A teacher has $230 in a bank account to spend on school supplies and wins a additional $50 to put toward the school supplies

Answers

Answer:

280 is the total

Step-by-step explanation:

Which number is a factor of 92?

Answers

Answer:

46 is the factor

Step-by-step explanation:

92 / 2 = 46

po

What are the solution(s) of -3(x - 1) = x - 5?
O-5 and 3
O-3
O1 and 5
O 2

Answers

Answer:

x = 2

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDASEquality Properties

Step-by-step explanation:

Step 1: Define equation

-3(x - 1) = x - 5

Step 2: Solve for x

Distribute -3:                         -3x + 3 = x - 5Add 3x to both sides:           3 = 4x - 5Add 5 to both sides:             8 = 4xDivide 4 on both sides:        2 = xRewrite:                                 x = 2

Step 3: Check

Plug in x to verify it's a solution.

Substitute:                    -3(2 - 1) = 2 - 5Subtract:                       -3(1) = -3Multiply:                        -3 = -3

Here we see that -3 does indeed equal -3.

∴ x = 2 is a solution of the equation.

Answer:

d) 2.

Step-by-step explanation:

i just did it

F(x)= 1/3 (4-x)^2 what is the value of f(16)

Answers

Answer: 48

Step-by-step explanation:

1/3(4 - 16)

1/3(-12)^2 = 1/3(144) or 48

Hope that helped.

1 Sandwich cost: £1.10, 1 coffee cost: £ 0.50, 1 tea cost: £0.30, 1 soft drink cost: £0.60. On Friday Will made a profit of £43.70 on sandwiches. How many sandwiches did he sell?​

Answers

I think it’s 37 sandwiches if he only sold sandwiches

Morris fruit farm packs 200 apples in each shipping crate. The crates are then shipped to local supermarkets. How many apples in all are there in 5 crates?

Answers

Answer:

There are 1000 apples in total !

Step-by-step explanation:

since there are 200 apples in each crate and there are 5 crates, you just need to multiply to find the total amount.

200 x 5 = 1000

Answer:

40

Step-by-step explanation:

You are deviding 200 and 5 and it gives you 40 cuz if you multiply 40 times 5 it gives you 200 cuz 4 times 5 = 20 your just adding a zero

WHERE DID CAROLYN MESS UP?

Answers

Answer:

line 2 of her working

Step-by-step explanation:

when multiplying the brackets out it is a negative times posative so she should have wrote -4 not +4

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