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VARVARA [1.3K]
3 years ago
7

On saturday, Mark sold 2 7/8 gallons of lemonade. On the same day, Regan sold 2/3 as much lemonade as Mark. How much lemonade, i

n gallons, did Regan sell?

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
8 0
2 7/8= 2/3L
Divide both sides by 2/3 and get 4.31 or 4 5/16
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9
Rashid [163]

Step-by-step explanation:

1) Your problem → (4x^2 - 17x^3 + 9) - (x^2 + 9x + 23x^2 + 11)

(-17x^3+4x^2+9)-(x^2+23x^2+9x+11)

=-17x^3+4x^2+9-x^2-23x^2-9x-11

=-17x^3+4x^2-x^2-23x^2-9x+9-11

=-17x^3-20x^2-9x-2

2) Your problem → 0 - 19.73 - 25x^2 - 12x - 3

=0-19.73-25x2-12x-3

=-25x^2-12x-22.73

3) - 10.x^3 – 162x^2 – 24x - 4

4) Your problem → 17x^3 - 20x^2 - 9x^2

=17x^3-20x^2-9x^2

=17x^3-29x^2

5) -16x^3 – 243x^2 – 12x – 3

5 0
3 years ago
Find the product. 1.5m6(-2m2)4
Pani-rosa [81]

Step  1  :

Equation at the end of step  1  :

   15

 ((——•(m6))•(0-2m2))•4

   10

Step  2  :

           3

Simplify   —

           2

Equation at the end of step  2  :

   3

 ((— • m6) •  -2m2) • 4

   2

Step  3  :

Equation at the end of step  3  :

  3m6

 (——— •  -2m2) • 4

   2

Step  4  :

Multiplying exponential expressions :

4.1    m6 multiplied by m2 = m(6 + 2) = m8

Canceling Out :

4.2      Canceling out  2  as it appears on both sides of the fraction line

Equation at the end of step  4  :

 -3m8 • 4

Step  5  :

Final result :

 -12m8

6 0
3 years ago
Read 2 more answers
· Amanda has $210 in her school lunch account. She spends $35 each week on school lunches. The
tigry1 [53]

Answer:

(See step-by-step)

Step-by-step explanation:

Let’s start by making A-(X) and W-(Y). So, when substituting the variables you get x=210-35y. When x=0, the answer to the equation is 6. So, the y-intercept (when x=0) is 6 or (0,6). When y=0, the answer to the equation/x-intercept(y=0) is 210 or (210,0). The graph itself looks like the image included.

The domain, realistically, is x>=0 however on the graph itself, the domain is x= All Real Numbers. The range realistically is y>=0, but on the graph it is also All Real Numbers.  

The x-intercept is the account when no weeks have passed and no money is lost (210) and the y-intercept is the maximum amount of weeks before there is no more money in the account (6).  

3 0
3 years ago
Solve the system of equations below by graphing them with a pencil and
Karo-lina-s [1.5K]

Answer:

X+5= -x-3

2x = 2

X=1

then y1 is 4

y2 is -1

4 0
3 years ago
Read 2 more answers
A and B are complementary angles. If mA=(x+8)° and mB =(8x+1),<br> find the measure of A
Black_prince [1.1K]

Answer:

\angle A=17\textdegree

Step-by-step explanation:

We know that A and B are complementary angles. So, they must add up to 90°. As an equation:

\angle A+\angle B=90

Since we know their equations, substitute:

(x+8)+(8x+1)=90

Solve for x. Combine like terms on the left:

9x+9=90

Subtract 9 from both sides:

9x=81

Divide both sides by 9:

x=9

So, the value of x is 9.

We want to find A. So, let's use the equation for A:

\angle A=x+8

Substitute 9 for x:

\angle A=9+8

Add:

\angle A=17\textdegree

So, the measure of A is 17°.

4 0
3 years ago
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