HELP PLS IM FAILING DAYUMMMM

HELP PLS IM FAILING DAYUMMMM

Answers

Answer 1

Answer:

x=3

y=-4

Step-by-step explanation:

-7x-2y=-13 ---(1)

x=2y+11

sub (2) into (1), -7(2y+11)-2y=-13

                          -14y-2y-77=-13

                                     -16y=64

                                          y=-4

put y=-4 into (2), x=2(-4)+11

                            x=3

btw, next time, do not use words like(failing,exam,free points,etc in ur caption or content),otherwise,the question would be deleted.

Answer 2
-7x -2y = 13, and then to solve it we put in (2y + 11) where it says x.

So
-7(2y +11) -2y = 13 , then distribute the -7

-14y -77 -2y = 13
-16y -77 = 13
-16y = 64
y = -4

Related Questions

Quadrilateral ABCD is rotated 90° about the origin. What are the coordinates of quadrilateral A’B’C’D?


A. A (5,-5), B' (1.-5). C'(1.-2).
D'(5.-1)

B. A(-5, -5), B'(-5, -1) C'(-2,-1), D'(-1,-5)

C. A'(-5,5), B'(-1,5), C'(-1,2).
D'(-5,1)

D. A'(5, -5), B' (5. -1), C' (2-1),
D' (1.-5)

Answers

Answer:

A

Step-by-step explanation:

Answer:

A. A (5,-5), B' (1.-5). C'(1.-2).

D'(5.-1)

Step-by-step explanation:

I got right

The mass of 1/2pint of milk is 303 g.
1 pint is 0.568 litres
1000 cm3 = 1 litre
Work out the density of the milk. Give your answer in g/cm3

Answers

The density of milk that has a mass of 303 g and volume of 1/2 pint is 1.067 g/cm³

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables

1 pint is 0.568 litres, hence:

1/2 pint = 0.568 litres per pint * 1/2 pint = 0.284 liter

1000 cm³ = 1 litre

0.284 liter = 0.284 liter * 1000 cm³ per litre = 284 cm³

Density = mass / volume = 303 g / 284 cm³ = 1.067 g/cm³

The density of milk that has a mass of 303 g and volume of 1/2 pint is 1.067 g/cm³

Find out more on equation at: https://brainly.com/question/2972832

Sally makes $10 per hour and a $20 bonus.

Jerry makes $9 per hour and a $50 bonus.
Which set of equations describe Sally and Jerry's income?
Any help?

Answers

Sally: 10h + 20

Jerry 9h + 50

h = hours

Will mark BRAINlIEST!!!
What is 2/7+ (−4/7)

Answers

Answer:

- 2/7

Step-by-step explanation:

+ and - becomes -

2/7 - 4/7 =  - 2/7

PLEASE MARK BRAINLIEST!!! <3

Answer:

6/9 yeah that's it I looked It, up.

Step-by-step explanation:

The smith family went out for dinner the price of the meal was $39.85 the sales tax was 8.1% of the price of the meal the tip was 17% of the meal and the sales tax how much did the smith family pay for the meal including tax and tip PLEASE HELP ILL GIVE LOTS OF POINTS

Answers

9514 1404 393

Answer:

  $50.40

Step-by-step explanation:

Adding the tax multiplies the amount by 1+8.1% = 1.081.

Adding the tip multiplies the amount by 1+17% = 1.17.

Then the amount with tax and tip is ...

  $39.85 × 1.081 × 1.17 = $50.40

The Smith family paid $50.40 for the meal.

Can someone please help me solve these?

Answers

9514 1404 393

Answer:

  (c)  h(x) = (3x +4)(2x +1)

Step-by-step explanation:

The answer choices differ in the values they create for the last two terms of the trinomial. The last term (+4) is created by all of the choices except the first one.

The middle term (11x) is only created by the third choice:

  (3x +4)(2x +1) = (3x)(2x) +(3x)(1) +(4)(2x) +(4)(1)

  = 6x^2 +3x +8x +4

  = 6x^2 +11x +4 . . . . matches the given h(x)

whats the solution to this equation y=3x+7 y=-2x+3
(1,-4)
(-2,-7)
(-2,1)
(1,10)

Answers

Answer:

I love algebra anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

True or False:

2.4 ÷ 0.6 =


0.04 x 6 =

Answers

Answer:

false

Step-by-step explanation:

Find the measurement and round to the nearest tenth.​

Answers

Answer:

7.0 yd to the nearest tenth.

Step-by-step explanation:

Use the Sine Rule:

AC / sin 28 = 15 / sin 92

AC = 15 sin 28 / sin 92

= 7.046

A painting has an area of 5,500 sq. cm. If the breadth of the painting is 50 cm. What is thelength of the painting?

Answers

Answer:

110 cm

Step-by-step explanation:

L= A/B (Length = Area/Breadth)

L = 5500/50

L = 110

Mark as brainliest :>

You have r rare coins, consisting of p pennies and n nickels.
a. p is 20% of 190. How many pennies do you have?
b. 190 is 200% of r. How many rare coins do you have?
c. n is 60% of r. How many nickels do you have?
Please help!!

Answers

9514 1404 393

Answer:

  a. 38

  b. 95

  c. 57

Step-by-step explanation:

In this context, you can consider "of" to mean "times." It can also be helpful to think of % as meaning /100.

a.  p = 20% × 190

  p = 20/100 × 190 = 38 . . . . you have 38 pennies

__

b. 190 = 200% × r

  190 = 200/100 × r . . . . replace % with /100

  190 = 2 × r . . . . . . . . . simplify the fraction

  190/2 = r = 95 . . . . you have 95 rare coins

__

c. n = 60% × r

  n = 60/100 × 95 = 57 . . . . you have 57 nickels

What does the translation rule (x - 6, y + 3) tell you to do?

Answers

translate it 6 units to the left and 3 units up

Please help geometry people.

Answers

Answer:

Since QPR is an isoscelese triangle, QP and PR are congruent.

Therefore PR = 8

My guess for ST is z=1. So (5z = 5) and( 2z = 2). Then add 3 to 2 and you get 5. So ST = 5

Step-by-step explanation:

Hope this helps!!!

Please mark brainliest.

In January, Mr Tan's students read 20 books. In Febuary, they read 15 books. What is the percent increase or decrease in the number of books they read?

A. 5% decrease
B. 15% increase
C. 25% increase
D. 25% decrease​

Answers

Answer:

D. 25% decrease

Step-by-step explanation:

Since it's clear that they read less books to find how much it decreased we multiply 100 with 15 then divide it by 20

100 × 15 ÷ 20 = 75 this result shows a 25% decrease.

PLEASE HURRY! I NEED HELP! THIS IS DUE TOMORROW! If you answer this I will give you brainliest!

Answers

Answer:

the answer is 3

Step-by-step explanation:

how i got this answer is........i did the round robin and i times 1 *5+4 and i got 9  so you will get 3/4 *9/5 and i got 27/9 and you will divided 9*3 and you will get 3 so that is the answer 3

i hope you did good on your test

I need help with all the questions you see

Answers

Answer:

1/ -6=12+1/3a

Rewrite the equation as 12+1/3a=−6.

12+1/3a= −6

Combine 1/3 and a.

12+a/3= −6

Move all terms not containing a to the right side of the equation.

a/3= −18

Multiply both sides of the equation by 3.

3⋅a/3=3⋅ −18

Simplify both sides of the equation.

a= −54

2/ -6 =12 -1/3a

Rewrite the equation as 12−13a=−6.

12−1/3a=−6

Combine a and /13.

12−a/3=−6

Move all terms not containing a to the right side of the equation.

−a/3=−18

Multiply both sides of the equation by −3.

−3⋅(−a/3)=−3 ⋅−18

Simplify both sides of the equation.

a=54

Step-by-step explanation:

ANSWER GETS BRALIEST


During a recent trip to a zoo, the Wildlife Club paid a total of $350 for admission for its members. Adults paid $7.50 each for admissi while students paid for discount tickets that cost $5.00 each. If 22 adults went on the trip, how many students went on the trip?

Answers

Answer:

33

Step-by-step explanation: multiply 7.50 by how many adults came than subtract from 350

Answer:

37 kids

Step-by-step explanation:

7.5(22) + 5x = 350

165 +5x =350

5x= 185

X = 37

[tex]\frac{3}{x+3} -\frac{4}{x-3}=\frac{5x}{x^{2} -9}[/tex]

Answers

Answer:

Step-by-step explanation:

[tex]\frac{3}{x+3}-\frac{4}{x-3}=\frac{3*(x-3)}{(x+3)(x-3)}-\frac{4(x+3)}{(x-3)(x+3)}\\\\=\frac{3*x-3*3}{(x+3)(x-3)}-\frac{4*x+4*3}{(x+3)(x-3)}\\\\=\frac{3x-9}{x^{2}-3^{2}}-\frac{4x+12}{x^{2}-3^{2}}\\\\=\frac{3x - 9 -(4x + 12)}{x^{2}-3^{2}}\\\\=\frac{3x-9-4x-12}{x^{2}-9}\\\\=\frac{-x-21}{x^{2}-9}\\\\[/tex]

[tex]\frac{3}{x+3}-\frac{4}{x-3}=\frac{5x}{x^{2}-9}\\\\\frac{-x-21}{x^{2}-9}=\frac{5x}{x^{2}-9}\\\\-x-21=\frac{5x}{(x^{2}-9)}*(x^{2}-9)\\[/tex]

-x - 21 = 5x

Add 'x' to both sides

-x -21 +x = 5x + x

        -21 = 6x

6x = -21

x = -21/6

   = -7/2

x = -3.5

2,6,18,54 what is the 10th term of the sequence​

Answers

Answer:

78

Step-by-step explanation:

I'm really good at these

Answer:

Step-by-step explanation:

This is a geometric sequence with common ratio 3.

10th term = (4th term)×3¹⁰⁻⁴ = 54×3⁶ = 39366

Find the slope of the line that passes through these two points: (-2,-2) and (1, 2) -

Answers

Answer:

4/3

Step-by-step explanation:

If you count, because the coordinates are smaller, you will know that the y-coordinate moves up 4 spaces, and the x-coordinate moves to the right 3 spaces.

A pattern is made from four congruent squares.
The sides of the squares are parallel to the axes.
У.
B (27, 30)
Point A has coordinates (3, 2)
Point B has coordinates (27, 30)
Point C is marked on the diagram.
Work out the coordinates of C.

Answers

Answer:

The coordinates of C are (15,16)

Step-by-step explanation:

As we can see, point C lies half the distance of AB

So we can use the midpoint formula to get the coordinates of C

we have this as:

(x,y) = (x1 + x2)/2 , (y1 + y2)/2

(x1,y1) = (3,2)

(x2,y2) = (27,30)

Thus, we have

(x,y) = (3 + 27)/2, (30 + 2)/2

(x,y) = 30/2 , 32/2

(x,y) = (15,16)

Cynthia has a photo frame that has a circumference of 56.52cm. What is the radius of the photo frame

Answers

Answer: 9cm

Step-by-step explanation:

The circumference of a circle is given as: = 2πr

where,

π = 3.142

r = radius = unknown

Since circumference = 56.52cm, we'll slot it into the formula which will be:

Circumference = 2πr

2πr = 56.52

2 × 3.142 × r = 56.52

6.284r = 56.52

r = 56.52 / 6.284

r = 8.99

r = 9cm approximately

The bank contains pennies, nickels, dimes, and quarters. There are 4 more nickels than pennies. How much money does the bank contain?

Answers

Answer7.92

Step-by-step explanation:

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The candy of a lolipop is in the shape of a sphere with a diameter of 4 cm. The
cylindrical stick inside the candy is the same height as the sphere and has a radius of
0.5 cm. What is the composite volume of the candy? Round to the nearest tenth, if
necessary.

Answers

So so so so 0.5cm? Like

2/3,2/8,2/6

list from greatest to least

Answers

2/8, 2/3, 2/6 hope this helps lol

First answer gets brainly!

Answers

Answer:total cost = $83.75

Step-by-step explanation:

What is the value for y?

Enter your answer in the box.

y = ​

Answers

Answer:

y = 14°

Step-by-step explanation:

since we can see it is an isosceles triangle so

base angles of isosceles triangle are equal then

2x = 50°

50° + 2x + 5y + 10° = 180° { being sum of angles of triangle }

50° + 50° + 5y + 10° = 180°

110° + 5y = 180°

5y = 180° - 110°

5y = 70°

y = 14°

Hope it will help :)

Describe 3 different situations where you would need to know how to
calculate a percentage of a price.


Urgent!!!!!!

I will give y'all brainlest:((((

Answers

Answer:

as your intelligence in your mind

Answer:

when calculating the discounted price of an item

(You spend $42.00 on groceries, but you have a coupon for 10% off. What is the final price of your bill?)

when calculating tax

(You buy a pair of sunglasses for $49.00. The sales tax is 7%.How much do you need to pay including tax?)

when calculating the mark-up of a price

(James bought a pair of jeans for $23 . He sold it online on marks it up by 20% . How much did he profit?)

HELP PLEASE, I need help with number 3

Answers

The number of sit ups Mario does

Joni has a circular garden with a diameter of 16.5. If she uses 2 teaspoons of fertilizer for every 25 square feet of garden how many teaspoons of fertilizer will Joni need for her entire garden?

Answers

Answer:

17.106 Teaspoons of fertilizer

Step-by-step explanation:

Joni has a circular garden with a diameter of 16.5. If she uses 2 teaspoons of fertilizer for every 25 square feet of garden how many teaspoons of fertilizer will Joni need for her entire garden?

Step 1

We calculate the area of the garden.

The garden is circular in shape.

Area of a circle = πr²

r = radius = Diameter/2

Diameter = 16.5 ft

r = 16.5/2

r = 8.25 ft

Area of the circle = π × 8.25²

Area of the circle (Garden) = 213.82464998 ft²

Approximately = 212.825ft²

Step 2

If she uses 2 teaspoons of fertilizer for every 25 square feet of garden how many teaspoons of fertilizer will Joni need for her entire garden?

25 ft² = 2 teaspoons of fertilizer

212.825ft² = x

Cross Multiply

25 ft² × x = 212.825ft² × 2

x = 213.825× 2/25 ft²

x = 17.106 Teaspoons of fertilizer

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