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sergiy2304 [10]
3 years ago
11

The width of a rectangle is 8 inches more than the length. The perimeter is 60. Find the length and width of the rectangle.

Mathematics
1 answer:
yawa3891 [41]3 years ago
5 0
The length is 19 in and the width is 11in
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The mass of a cube,
Nonamiya [84]

The mass in kg is 106.27 if the mass of a cube, M (kg), is proportional to the cube of the length of its edge, L(m).

<h3>What is a proportional relationship?</h3>

It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.

We have:

The mass of a cube, M (kg), is proportional to the cube of the length of its edge, L(m).

M ∝ L³

After removing proportional sign

M = cL³

Plug M = 50 kg and L = 70 cm = 0.7 m

50 = c(0.7)³

c = 145.77 kg/m³

If L = 0.9 m, then M

M = (145.77 kg/m³)(0.9 m)³

M = 106.266 ≈ 106.27 kg

Thus, the mass in kg is 106.27 if the mass of a cube, M (kg), is proportional to the cube of the length of its edge, L(m).

Learn more about the proportional here:

brainly.com/question/14263719

#SPJ1

3 0
2 years ago
9x+3x-10=3(3x+x)? Identity or no solution show steps
Lubov Fominskaja [6]

Answer:

There is no solution

Step-by-step explanation:

NO SOLUTION

4 0
3 years ago
Read 2 more answers
B/3+5=-2<br> Two Step Equation
Norma-Jean [14]

\textsf{Hey there!}

\mathsf{\dfrac{b}{3}+5=-2}

\mathsf{STEP\ ONE:} \textsf{Simplify BOTH sides of your equation}

\mathsf{LIKE: \ \dfrac{1}{3}b + 5 = -2}

\textsf{STEP TWO: SUBTRACT  by 5 on your sides}

\mathsf{\dfrac{1}{3}b+5-5=-2-5}

\textsf{Cancel out: 5 - 5 because it gives you 0}

\textsf{Keep: -2 - 5 because it helps us solve for our b value}

\mathsf{-2 - 5 =-7}

\mathsf{New\ equation: \underline{\dfrac{1}{3}b = -7}}

\textsf{STEP THREE: MULTIPLY both sides by 3}

\mathsf{3 \times\dfrac{1}{3}b = 3\times-7}

\mathsf{Cancel\ out: 3\times\dfrac{1}{3}\ because\ it\ gives\ you\  1}

\mathsf{Keep: 3\times-7\ because\ it\ helps\ solve\ for\ b}

\mathsf{3\times-7=-21}

\boxed{\textsf{Thus, your answer is most likely: \boxed{\mathsf{b = -21}}}}\checkmark

\text{Good luck on your assignment and enjoy your day!}

~\frak{LoveYourselfFirst:)}

6 0
2 years ago
Please help I need the answer
kotykmax [81]
I think -23



Jfhgjgjgugufg
8 0
3 years ago
Solve the system of equations:
bulgar [2K]

Answer:

(2,2)

Step-by-step explanation:

2x+3y=10

x−2y=−2

​In order to solve by elimination, coefficients of one of the variables must be the same in both equations so that the variable will cancel out when one equation is subtracted from the other.

2x+3y=10,x−2y=−2

To make 2x and x equal, multiply all terms on each side of the first equation by 1 and all terms on each side of the second by 2.

2x+3y=10,2x+2(−2)y=2(−2)

Simplify.

2x+3y=10,2x−4y=−4

Subtract 2x−4y=−4 from 2x+3y=10 by subtracting like terms on each side of the equal sign.

2x−2x+3y+4y=10+4

Add 2x to −2x. Terms 2x and −2x cancel out, leaving an equation with only one variable that can be solved.

3y+4y=10+4

Add 3y to 4y.

7y=10+4

Add 10 to 4.

7y=14

Divide both sides by 7.

y=2

Substitute 2 for y in x−2y=−2. Because the resulting equation contains only one variable, you can solve for x directly.

x−2×2=−2

Multiply −2 times 2.

x−4=−2

Add 4 to both sides of the equation.

x=2

The system is now solved.

x=2,y=2

Correct choice is D) 2,2

5 0
2 years ago
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