Please help explanation if possible

Please Help Explanation If Possible

Answers

Answer 1

Answer:

Step-by-step explanation:

Subtract 3x from both sides

3x - 3x - 2y = -3x + y

Combine

-2y = - 3x + 7  

Divide by - 2

-2y/-2 = -3x/-2 + 7/-2

y = 3x/2 - 7/2


Related Questions

can you please tell me the answer I don't know ​

Answers

Answer:

Twenty-eight billion five hundred forty-two million rupees

28,542,000,000 rupess

or, 28.542 × 10⁹ rupees

Suppose a wall divides a playground, and twenty balls lie on the ground on the east side, while forty balls lie on the west side. If a child on the east side of the wall always tosses a ball over the wall at the same time a child on the west side tosses a ball over the wall, then:

Answers

Answer:

The amount of balls on each side would stay the same. The amount of balls would stay the same as long as both sides are throwing the same number of balls at the same time.

Step-by-step explanation:

Equation for east side: 20 (balls) -1 (thrown over to west) + 1 (thrown over from west) = 20 balls

Equation for west side: 40 (balls) -1 (thrown over to east side) +1 (thrown over by east side) = 40 balls

In the diagram below, PQ is parallel to MN. Solve for 2. Round your answer to the
nearest tenth if necessary.

X=

Answers

So if pq is parallel to mn that and we need to find x and the hole thing is 10.9 tall then the answer would be 5.9

Type the correct answer in each box. Use numerals instead of words,
Cassie's age is 3 less than twice Kara's age. The sum of their ages is 42.
Create an equation to find Kara's age, n.
nt(
[
70

Answers

Answer: x + 2x - 3 = 42 is the equation and kara is 15 years old and cassies is 27 years old.

Step-by-step explanation:

Let age of kara be x years

Cassie's age will be 2x-3 years

ATQ

x + 2x-3 = 42

3x = 42+3

3x = 45

x = 45/3

x = 15

Kara's age = 15 years

Cassie's age = (15×2)-3

= 30-3

= 27 years

please click thanks and mark brainliest if you like :)

Answer:

Step-by-step explanation:

96 Children are on a school trip, there
are 7 seats in a mini bus. How many
mini bus are needed?

Answers

14 mini buses but there will be 1 seat open

wats 8 to the 3rd prower +270

Answers

Answer:

The answer is 782

Step-by-step explanation:

8 to the 3rd power would be 512

And if you add 270 + 512

270 + 512 = 782

Answer:

782

Step-by-step explanation:

8^3 +270

Calculate 8 to the power of three : 8 x 8 x 8 = 512

Then add 512 to 270

512+270 = 782

what is the area of the figure below?

Answers

Answer:

D. 72 [tex]in^2[/tex]

Step-by-step explanation:

The square is 36 in2

The 2 triangles are both 18 in2.

36+18+18=72 in2

I hope this helps!

pls ❤ and give brainliest pls

Answer:

Area is 72 in²

Step-by-step explanation:

= Area of three triangles + area of square.

[tex]{ \bf{ = 3 \times ( \frac{1}{2} b \times h) + (s \times s)}}[/tex]

substitute:

[tex]{ \sf{ = ( \frac{1}{2} \times 6 \times 6) + 2( \frac{1}{2} \times 6 \times 3) + (6 \times 6)}} \\ = { \sf{18 + 18 + 36}} \\ = { \sf{ {72 \: in}^{2} }}[/tex]

evaluate :5/63-(-6/21)​

Answers

Answer:

answer is [tex]\frac{23}{63}[/tex]

Step-by-step explanation:

the equation is

[tex]\frac{5}{63}-(-\frac{6}{21} )[/tex]

=> [tex]\frac{5}{63}+\frac{6}{21}[/tex]

=> [tex]\frac{5}{63}+\frac{2}{7}[/tex] ;(divide numerator and denominator of [tex]\frac{6}{21}[/tex] by 3)

=> [tex]\frac{5+2*9}{63}[/tex]

=> [tex]\frac{23}{63}[/tex]

hope you have understood this

pls mark it as the brainliest

PLEASE HELP ASAP :))


Sophie tried to evaluate an expression. Here is her work:
92 : 32.2 + 7.6
= 81 - 9.2 + 7.6
Step 1
= 9.2 + 7.6
Step 2
= 18 + 7.6
Step 3
= 25.7
Step 4
= 175
Step 5
Is Sophie's work correct?
Yes, Sophie's work is correct
No, Sophie made a mistake going from Step 1 to Step 2
O No, Sophie made a mistake going from Step 3 to Step 4.
No, Sophie made a mistake going from Step 2 to Step 3

Answers

No, Sophie made a mistake going from Step 3 to Step 4.

Explanation:
Using PEMDAS, or the order of operations, Sophie should have finished multiplying before adding. Here’s how her expression should’ve ended:

= 18 + 7 • 6
= 18 + 42
= 60

The formula for the circumference of a circle is c= 2pi r, where r is the radius. Rearrange the formula to solve for our and select the correct option below

Answers

Answer:  r = C/(2pi)

This is the same as writing [tex]r = \frac{C}{2\pi}[/tex]

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

Explanation:

pi is some number (approximately 3.14) which means 2pi is also some number (roughly 6.28)

Saying c = 2pi*r means we have 2pi times r, and the result is the circumference c. To isolate r, we'll undo the multiplication. We'll undo it by dividing both sides by 2pi like so

C = 2pi*r

C/(2pi) = r

r = C/(2pi)

in which we can write it like [tex]r = \frac{C}{2\pi}[/tex]

So whatever C is, we divide it over 2pi (aka roughly 6.28) to get the radius.

-----------------

Extra Info (Optional Section):

As an example, let's say the circumference of the circle is 628 feet. This means the distance around the circle is 628 feet. So C = 628 would lead to...

r = C/(2pi)

r = C/(6.28)

r = 628/(6.28)

r = 100

So the radius would be roughly 100 feet.

[tex]B=(\frac{-3}{16} x^{2} y) . (4x^{4}y^{3})[/tex]

Answers

Answer:

[tex]B=-\frac{3}{4}x^6y^4[/tex]

Step-by-step explanation:

One is given the following equation:

[tex]B=(\frac{-3}{16}x^2y)(4x^4y^3)[/tex]

Multiply each term in one of the parenthesis by its like term in the other. Bear in mind, since all of the operations in this equation are multiplication, one doesn't have to multiply every single term by another in the parenthesis, one only has to multiply like terms to simplify.

[tex]B=(\frac{-3}{16}x^2y)(4x^4y^3)[/tex]

[tex]B=(\frac{-3}{16})(4)(x^2)(x^4)(y)(y^3)[/tex]

Simplify further, remember, when multiplying two terms with the same base, one can add their exponents to simplify,

[tex]B=(\frac{-3}{16})(4)(x^2)(x^4)(y)(y^3)[/tex]

[tex]B=(\frac{-3*4}{16})(x^2^+^4)(y^1^+^3)[/tex]

[tex]B=(\frac{-3*4}{16})(x^6)(y^4)[/tex]

Now simplify the fraction, remove like terms found in both the numerator and denominator. Remember, (4) is a factor of both (4) and (16):

[tex]B=(\frac{-3*4}{16})(x^6)(y^4)[/tex]

[tex]B=(-\frac{3}{4})(x^6)(y^4)[/tex]

[tex]B=-\frac{3}{4}x^6y^4[/tex]

(2) Mele scored 70% on
a fun
geography quiz. What fraction of the
test did she get right?

Answers

She got 7/10 of the question right.

Ralph owns the farmer’s silo shown. The silo is a cylinder with a half-sphere as the roof. He wants to fill it up with corn for the pigs. If it costs $1.13 per cubic meter to purchase the corn, how much will it cost to fill up the whole silo?

Answers

Answer:

Half-Sphere Volume = [( π •diam³) / 6] / 2

Cylinder Volume =   ¼ • π • diam² • height

Cylinder height = 19 meters

Sphere diameter = 10 meters

Cylinder portion = ¼ • π • diam² • height

Cylinder portion volume = ¼ • π • 10² • 19

Cylinder portion volume = 1,492.26

Half-Sphere Volume = [( PI * 10^3) /6 ] / 2

Half-Sphere Volume = 261.80

Total Volume = 1,492.26 + 261.80 = 1,754.06 cubic meters

corn is $1.13 per cubic meter

total cost = 1,754.06 * $1.13 = 1,982.08

Answer is C 1,981.08

Step-by-step explanation:


ABCD is a parallelogram. Find the values of x and y. Solve for the value of z, if z= x-y.

Answers

Answer:

D. 20

Step-by-step explanation:

since the given shape is a parallelogram the parallel sides' length must be equal:

2x-10 = x+30

2x-x = 30+10

x = 40

2y-10 = y+10

2y-y = 10+10

y = 20

since z = x - y

z = 40-20

z = 20

if the cost of 2:dozen copies is Rs 720 , find the cost of 72 copies .

Answers

Answer:

Rs 2160

Step-by-step explanation:

1 dozen = 12 copies

2 dozen = 24 copies ( 2*12)

72÷12 = 6 dozen

72 copies = 6 dozen

1 dozen = Rs 720÷2

1 dozen Rs 360

6 dozen = 360*6

6 dozen = 72 copies = Rs 2160

PLEASE HELP ME I WILL MARK BRAINLIEST!​

Answers

compute the range of the figures into the table

what fraction of these houses have seven rooms

Answers

Answer:

9/50

Step-by-step explanation:

18 % have 7 rooms

18 % means 18 out of 100

18/100

Divide top and bottom by 2

9/50

9/50 just divide the top from the bottom

[tex]\frac{1}{4}X - 1 = 13[/tex]

Answers

Answer:

x =56

Step-by-step explanation:

1/4 x - 1 =13

Add 1 to each side

1/4x - 1+1 = 13+1

1/4 x = 14

Multiply each side by 4

1/4x * 4 = 14*4

x =56

Answer:

x = 56

Step-by-step explanation:

1/4x - 1 = 13

Add 1 to both sides

1/4x = 14

Isolate the variable

x = 14/0.25

x = 56

Choose the composition of translations that maps the image ΔPQR onto ΔP′Q′R′.

Question 4 options:

(x,y) → (x + 6,y + 3)


(x,y) → (x – 6,y – 3)


(x,y) → (x + 6,y – 3)


(x,y) → (x – 6,y + 3)

Answers

Answer:

(x , y )  ---> (x + 6 , y - 3)

Step-by-step explanation:

(x , y )  ---> (x + 6 , y - 3)

P(-1 , 4) -----> P'(-1+6 , 4-3) = P'(5,1)

Comapre P and P' x-coordinate

         -1 + a = 5

                a = 5 +1 = 6

Q(-1, 2) ----->Q'(-1+6 , 2 -3)= Q'(5, -1)

R(3 , 1) ------> R'(3+6 , 1-3)  = R'(9,-2)

A certain city garden has 64 flowers and 24 decora-
tive shrubs planted. The garden planner wants to
plant more flowers until the ratio of flowers to
shrubs is 12:1. How many more flowers will the
garden planner need?

Answers

Answer:

224 more flowers

Step-by-step explanation:

If the planner wants the ratio of flowers to shrubs to be 12:1, that means there will be 12 times as many flowers as shrubs.

Find what 12 times the number of shrubs is:

24(12)

= 288

So, the planner will need 288 flowers in total.

Find how many more he needs to plant by subtracting the current amount of flowers from 288:

288 - 64

= 224

So, the garden planner will need 224 more flowers.

Factor this polynomial expression.


x2 + 12x + 36


A. (x + 9)(x + 4)

B. (x - 6)(x - 6)

C. (x + 6)(x + 6)

D. (x - 9)(x - 4)

Answers

Answer:

(x+6)(x+6)

Step-by-step explanation:

x^2 + 12x + 36

Factor

What two numbers multiply to 36 and add to 12

6*6 = 36

6+6 =12

(x+6)(x+6)

pls help, and explain. I will give brainliest

Answers

Answer:

Nicole should take 13 1/8 cups of snack mix.

Step-by-step explanation:

If a serving size is 7/8 and Nicole wants to take 15 serving sizes (15 7/8's), then we must multiply 7/8 by 15:

15 × 7/8

Write 15 over 1 (15 = 15/1) to make the calculations easier:

15/1 × 7/8

Multiply the numerators and denominators separately:

15 × 7 / 1 × 8

105 / 8

Instructions don't say you have to do this but I will convert this improper fraction into a mixed number:

105/8 = 13 1/8

Please answer this, I need help

Answers

Answer:

19

Step-by-step explanation:

(6 + h^2 - j) ÷ 2

Plug in:

(6 + h^2 - j) ÷ 2

(6 + 6^2 - 4) ÷ 2

(6 + 36 - 4) ÷ 2

   (42 - 4) ÷ 2

      38 ÷ 2

          19

Hope this helped.

Answer:

19

Step-by-step explanation:

( 6 + h² - j ) ÷ 2

h = 6 and j = 4

( 6 + 6² - 4 ) ÷ 2

Evaluate using PEMDAS

Parenthesis

Exponents

Multiplication and Division (left to right)

Addition and Subtraction (left to right)

First do operations inside of the parenthesis

( 6 + 6² - 4 ) ÷ 2

Exponents come first

(6 + 36 - 4) ÷ 2

Then do addition and subtraction going left to right

(6 + 36 - 4) ÷ 2

Add 6 and 36

( 42 - 4 ) ÷ 2

Subtract 42 and 4

38 ÷ 2

Finally do the division

19

And we are done!


Last year, Mary opened an investment account with $5400. At the end of the year, the amount in the account
had decreased by 6%.

Answers

6/100*5400
324
5400-324
5076 final answer

-170=-7(8n-7)+5 please help

Answers

Answer:

n=4

Step-by-step explanation:

Let's get rid of the parenthesis first. We're left with -170=-56n+49+5. Let's move all of the numbers together so that the variable is separated from the numbers. Now we have 56n=224 using inverse operations. If we divide both sides by 56, we're left with n=4.

Hope this helped!

Answer:

n = 4

Step-by-step explanation:

-170=-7(8n-7) +5

-170=-56n+49+5

-170=-56n+54

-170+56n=54

56n=170+54

56n= 224

n=4

The entrance fee to a local waterpark is $28 per person. At the waterpark, you can rent a raft for $2.50 per hour. Which expression is equivalent to
the amount it would cost Colton for h hours in the park if he rented a raft? �� 2.50h - 28
�� 2.50 (h - 28)
�� 2.50h + 28
�� 2.50 (h + 28)

Answers

Answer:

C

Step-by-step explanation:

The 28 is independent of the number of hours. Both B and D are incorrect.

You don't subtract the 28 from the total. That's part of the total. A is wrong.

The answer is C

Answer always, sometimes or Never.



Natural numbers are ----------- integers

Irrational numbers are ----------- rational numbers

Rational numbers are --------- real numbers

Square roots are __________Rational numbers

Answers

Step-by-step explanation:

1)Always

2)never

3)Always

4)Never

Given the function g(x) = x2 + 10x + 18, determine the average rate of change of
the function over the interval -11 < x < -1.

Answers

Answer:

-2.

Step-by-step explanation:

Average rate of change of the function = [ f(-1) - f(-11)] / [(-1 - (-11)]

= [(-1)^2 + 10*-1 + 18 - ((-11)^2 + 10*-11 + 18)] / 10

= (1 - 10 + 18 - (121 - 110 + 18) / 10

= (9 - (29) /10

= -20/10

= -2.

Answer:

Step-by-step explanation:

The answer is +2 or 2.

Mrs. Applebaum goes to the supermarket to buy a box of cereal. She has a coupon for 35 cents off. The original
price is $4.73. How much does she need to pay for the cereal?
O $1.23
O $4.38
$4.48
O $5.08
HELPP

Answers

Answer:

4.73 - 0.35 = 4.38. Mrs Applebaum needs to pay $4.38

Step-by-step explanation:

Answer:

$4.38

Step-by-step explanation:

$4.73 is the full price. She has a coupon for 35 cents OFF which means you have to subtract .35 from 4.73. 4.73 - .35 = 4.38

What is the image of the point (-1,3) after a rotation of 270° counterclockwise
about the origin?

Answers

Answer:

3,-1

Step-by-step explanation:

The image of the point (-1,3) after a rotation of 270° counterclockwise about the origin is (3, -1).

The given coordinate point is (-1, 3).

What is a rotation of 270° counterclockwise about the origin?

When rotating a point 270 degrees counterclockwise about the origin our point A(x, y) becomes A'(y,-x). This means, we switch x and y and make x negative.

The point (-1, 3) is rotated 270° counterclockwise about the origin becomes (3, -1).

Therefore, the image of the point (-1,3) after a rotation of 270° counterclockwise about the origin is (3, -1).

To learn more about the rotation of 270° counterclockwise visit:

brainly.com/question/9109065.

#SPJ2

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