Mathematics High School

The length of a rectangular sandbox is 4 feet less than its width, which is represented by x. The area is 45 square feet. Which equation can be used to find the area of this sandbox?
1.x^2+4=45
2.x(x+4)=45
3.x(x-4)=45
4.x(2x+4)=45

Answers

Answer 1

Answer:

3

Step-by-step explanation:

w= x

l= x-4

x(x-4) = 45

x^2-4x = 45

Related Questions

I just need the answer for c) pls help :(

Answers

Answer:

Step-by-step explanation:

sorry if its not the best, i don't know how to say the cords sorry. have a good rest of your day or night!

Please Help

write and equation in slope intercept form with the following information. slope = 7, y intercept = -9

Answers

Answer:

y=7×-9 I going to be your answer

Which table corresponds to the equation y = −3x −2?

Answers

Answer:

b

Step-by-step explanation:

Carmen paid $10.50 for a T-shirt at the mall. It was on sale for 30% off. What was the original price before the discount? *

Answers

Answer:

15

Step-by-step explanation:

70%-> 10.50

100%-> 15

someone help on this please

Answers

Answer:

C, D, F

Step-by-step explanation:

Simply put your equations into a free graphing calculator such as

DESMOS

and it's quite simple!

hope this helps!!

Factor completely: 5x^2-11x+6

Answers

(x-1)x(5x-6)

Answer^^^^

I NEED HELPPP

-2 x -3 =?

Answers

Answer: 6

Step-by-step explanation: -2 x -3 = 6 cause the negatives cancel out to make 6.

Answer:

ok, lol it's 6

Step-by-step explanation:

hope it helps! it basically doing 2 x 3 which equals 6 sometimes you'll add the negative sign but in this equation u dont need to

FREE BRAINLIEST!! ill also answer questions that you have posted if you answer correctly!!!! (30pts)

Answers

its 16 hope this helps

Can someone help me please!!!

Answers

Answer:

Step-by-step explanation:

(0,8)(8,0)

find slope

m=-1

b=8

y=-x+8

Answer:

y= -1x+8

Step-by-step explanation:

slope is -1/1 and your y intercept is (0,8)

Solve this equation: 2x = 5

Answers

Answer:

2.5

Step-by-step explanation:

2x = 5

x = 5/2 = 2.5

I hope im right!!

X = 5/2 or 2.5 that is the answer

After Kim drank some of the orange juice, there was 183 mL of orange juice left in the bottle. When Kim bought the bottle of orange juice, there was 250 mL of orange juice. What was the percent of change in volume of orange juice

Answers

Answer:

I think the change in volume is 26.8%

Step-by-step explanation:

I'm really sorry if I'm wrong

If y varies directly as x, and y=-4 when x=8, find y when x=3

Answers

I believe it would be negative 9 because your subtracting by twelve again. I hope that helped

The sum of 4 consecutive odd integers is 72
Help

Answers

Answer:

Answer: The 4 consecutive odd integers are 15, 17, 19, 21.

Answer:

15 + 17 + 19 + 21= 72

Step-by-step explanation:

hope this helped!

Help me please
Hannah receives no commission on her first $60,000 in car sales. For every dollar over $60,000 in sales, she earns 25% commission.
If Hannah makes car sales of $128,000, how much does she makes in commission?


A
$7,000
B
$15,000
C
$17,000
D
$32,000

Answers

The answer is D $32,000

given cos A = 0.36, find angle A in degrees. round your answer to the nearest hundredth.

Answers

Answer:

68.9°

Step-by-step explanation:

[tex]cos^{-1}[/tex](0.36) ≈ 68.90

help me pls the photo attached is the question quick pls ill give brainliest answer​

Answers

Answer:

12:18 and 20:30

Step-by-step explanation:

Answer:

12:18? n 20:30?

Step-by-step explanation:

sorry if im rong

Which of the following is NOT equivalent to 78 ÷ 6? (72 + 6) ÷ 6 (72 ÷ 6) + (6 ÷ 6) (60 ÷ 6) + (18 ÷ 6) (72 ÷ 6) + 6

Answers

Answer:

(72 divided by 6) + 6

Step-by-step explanation:

78 divided by 6 is 13. The question (72 divided by 6) + 6 does not equal to 13, it equals to 14, therefore (72 divided by 6) + 6 is not equivalent.

Answer:

(72 divided by 6) + 6

Step-by-step explanation:

There were some pizzas in the library. 13 pizzas were eaten by zombies. There are now 20 pizzas in the library. Which equation can be used to find p, the number of pizzas that were in the library? ​

Answers

Answer:

p - 13 = 20

Step-by-step explanation:

p - 13 = 20

add 13 on both sides

p = 33

there were 33 pizzas in the library.

Answer:

p=13+20? or addition

Step-by-step explanation:its inverse operation i think that's what its called so use addition

What would you multiply to make the y variable cross out?

-5x + y = -3

3x - 8y = 24

Answers

Answer:

Step-by-step explanation:

-40x + 8y = -24

 3x  -  8y = 24

-37x = 0

x = 0

0 + y = -3

y = -3

(0, -3)

Answer:

I will show you how to solve for x and y.

Step-by-step explanation:

-5x + y = -3

3x - 8y = 24

You can isolate y in the first equation, and substitute that into the second equation.

so to isolate y in -5x + y = -3, you would add 5x to both sides

this gives you y = 5x - 3

Then substitute this y into the equation below.

3x - 8(5x-3) = 24     (this way, the y variable disappears)

then distribute the 8 into the bracket

3x - 40x + 24 = 24

combine the variables

-37x + 24 = 24

isolate x by moving the constants to one side

-37x = 0

so x = 0

I am not sure if you want the rest, but here it is.

substitute x = 0 into one of the equations.

-5x + y = -3

-5(0) + y = -3

y = -3

The perimeter of a rectangle is 46 inches. If the width of the rectangle is 8 inches, what is the length?

Answers

Answer:

The length is 15 inches

Step-by-step explanation:

Using the formula [tex]P=2(l+w)[/tex], you will do this:

[tex]l=\frac{p}{2} - w = \frac{46}{2} - 8 = 15in[/tex]

What is the slope of this line?

Answers

Answer:

A line is increasing if it goes up from left to right. The slope is positive, i.e. m > 0 {\displaystyle m>0} .

A line is decreasing if it goes down from left to right. The slope is negative, i.e. m < 0 {\displaystyle m<0} .

If a line is horizontal the slope is zero. This is a constant function.

If a line is vertical the slope is undefined (see below).

30 POINTS
Find the rectangular coordinates of the point with the polar coordinates ordered pair negative 3 comma 5 pi divided by 3 . (1 point)
ordered pair negative 3 divided by 2 comma 3 divided by 2
ordered pair 3 square root 3 divided by 2 comma negative 3 divided by 2
ordered pair negative 3 divided by 2 comma 3 square root 3 divided by 2
ordered pair 3 divided by 2 comma negative 3 divided by 2

Answers

The correct answer is C. ordered pair negative 3 divided by 2 comma 3 square root 3 divided by 2

(r,θ) = (x,y)
x = r * cosθ
y = r * sinθ
Since your θ is 5π3, set your calculator to radians before taking the sine and cosine.

(3 cos 5π / 3, 3 sin 5π / 3)
(3* 1 / 2, 3 * - sqrt(3) / 2)
(3 / 2, −3 sqrt (3) / 2)
if r = -3, then x is negative, y is positive.

Here are the following choices:
A. ordered pair negative 3 divided by 2 comma 3 divided by 2
B. ordered pair 3 square root 3 divided by 2 comma negative 3 divided by 2
C. ordered pair negative 3 divided by 2 comma 3 square root 3 divided by 2
D. ordered pair 3 divided by 2 comma negative 3 divided by 2


In the algebraic expression 9x + 2y + 4x - 12, what are the "like terms"?

1. 9x and 2y
2. 2y and 4x
3. 2y and 12
4. 9x and 4x

Answers

Answer:

9x and 4x

Step-by-step explanation:

Help ASAP thanks........

Answers

The answer is 130 degrees is the answer

Identify the independent variable and dependent variable in the situation:
Wait time, w, and the number of people in line to get on a ride, p.
Independent variable
[Choose)
Dependent variable
[Choose ]

Answers

I think the independent variable is the number of people and the dependent is the wait time. I see it as the wait time DEPENDS on how many people are in line. This one is kinda confusing tho

How do I solve it? Please help...............​

Answers

9514 1404 393

Answer:

  15.08 m

Step-by-step explanation:

You can take the appropriate fraction of the whole circumference, or you can use the arc-length formula. You get the same answer either way.

Angle XZW is 180° -108° = 72°

The circumference is C=πd, so the arc of interest is ...

  XW = C(72°/360°) = πd/5 =π(24 m)/5 = 4.8π m

  XW ≈ 15.08 m

_____

If you use π = 3.14, then your answer will be 15.07 m.

If f(x) = x and g(x) = 2, what is (f•g)(x)?

Answers

Answer:

A

Step-by-step explanation:

(f*g)(x)=(2)*(x)=2x

A

-4a+14+7a-9
will give 88 points in first 10 minutes

Answers

Answer:

3a+5

Step-by-step explanation:

add-4a and 7a

3a+14-9

subtract 9 from 14

3a+5

Answer:

[tex] \sf \: 3a + 5[/tex]

Step-by-step explanation:

Given expression,

→ -4a + 14 + 7a - 9

Let's simplify the expression,

→ -4a + 14 + 7a - 9

→ (-4a + 7a) + (14 - 9)

→ (3a) + (5)

→ 3a + 5

Hence, the answer is 3a + 5.

LMNP is rotated 90° clockwise around the origin.



What are the coordinates of M'?

A. M’(3,-4)
B. M’(-3,-3)
C. M’(-4,3)
D. M’(4,-3)

Answers

Answer:

ITS IS D (4,-3)

Step-by-step explanation:

Ap ex

The coordinates of M is M’(4,-3).

What is rotation?

Rotation means the circular movement of an object around a center. It is possible to rotate different shapes by an angle around the center point.

Given:

LMNP is rotated 90° clockwise around the origin.

If we rotate the figure in LMNP  about 90 degrees then the coordinates will change into

(x, y)  to (y, -x).

As, x= 3, y=4

Hence, the coordinates of M is M’(4,-3).

Learn more about this concept here:

https://brainly.com/question/22851947

#SPJ5

Charles purchases a car for $50,187 at 1.9% add-on rate for 6 years.

Answers

Answer:

good for him

Step-by-step explanation:

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