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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?

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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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