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4 years ago

Write an expression in simplified form for the area of the rectangle

Mathematics

2 answers:

Helen [10]4 years ago

8 0

Answer:.

Step-by-step explanation:

NikAS [45]4 years ago

4 0

Answer:

55x+33

Step-by-step explanation:

A = L*W

L = 5x+3

W= 11

A = (5x+3)*11

A = 55x+33

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8. A car dealer buys a luxury car for $45,800, and sells it for $61,830. Find the percent of change.

Ilia_Sergeevich [38]

Answer B
Explanation cuz

6 0

3 years ago

Read 2 more answers

What is the equation, in point-slope form, for a line that goes through(8,

LUCKY_DIMON [66]

Answer:

$\boxed{y-4=-\frac{5}{6}(x-8)}$

Step-by-step explanation:

Point slope form is: $y-y_1=m(x-x_1)$

$(x_1,y_1) - Coordinate\\ m- Slope$

We are given the slope of $-\frac{5}{6}$ and the point of (8,4).

Replace 'm' with -5/6, 'x1' with 8, and 'y1' with 4.

$y-y_1=m(x-x_1)\rightarrow \boxed{y-4=-\frac{5}{6}(x-8)}$

I do not see any options that match this, but the boxed equation should the correct answer.

8 0

3 years ago

Evelyn went shopping with half of her monthly allowance. She spent $39.95 on a dress and 3/7 of the remainder on some accessorie

Gnoma [55]

Answer:

Evelyn monthly allowance is $187.

Step-by-step explanation:

Let the monthly allowance be 'x'.

Given:

Money taken with for shopping = $\frac{x}{2}$

Money spent of dress = $39.95

Also Given:

3/7 of the remainder on some accessories.

Money spent on accessories is equal to $\frac{3}{7}$ times Difference of monthly allowance and Money spent of dress.

framing in equation form we get;

Money spent on accessories = $\frac{3}{7}\times(\frac{x}{2}-39.95)$

Also Given:

Money left after shopping = $30.60

Now we know that;

Money taken with for shopping is equal to sum of Money spent of dress and Money spent on accessories and Money left after shopping.

framing in equation form we get;

$\frac{x}{2}=39.95+\frac{3}{7}(\frac{x}{2}-39.95)+30.60\\\\\frac{x}{2}=39.95+\frac{3x}{14}- 17.12 +30.60$

Combining like terms we get;

$\frac{x}{2}-\frac{3x}{14}=39.95-17.12+30.60\\\\\frac{x}{2}-\frac{3x}{14}= 53.43$

Now we will make denominator common using L.C.M

$\frac{x\times 7}{2\times7}-\frac{3x\times1}{14\times1}= 53.43\\\\\frac{7x}{14}-\frac{3x}{14}= 53.43\\\\\frac{7x-3x}{14}=53.43\\\\\frac{4x}{14}=53.43\\\\4x=53.43\times14\\\\x= \frac{53.43\times14}{4} = \$187$

Hence Evelyn monthly allowance is $187.

3 0

4 years ago

Rewrite the rational exponent as a radical by extending the properties of integer exponents. 2 to the 7 over 8 power, all over 2

MrRa [10]

Recall the quotient rule of exponents: x^a/x^b = x^(a-b)

So
2^(7/8) / 2^(1/4)
=2^(7/8-1/4)
=2^((7-2)/8)
=2^(5/8)
=8 radical 2^5
=8 radical (32)

5 0

3 years ago

A rectangle has a height of b3 + b2 and a width of b2 + 76 + 4.

zaharov [31]

Answer:

The area is:

${b}^{5} + 8 {b}^{4} + 11 {b}^{3} + 4 {b}^{2}$

Step-by-step explanation:

To find the area of a rectangle, multiply the width by the height (I'll be using x for b, as it is easier when writing the equations):

$a = ({x}^{ 3} + {x}^{2} )( {x}^{2} + 7x + 4) \\ a = {x}^{5} + 7{x}^{4} + 4 {x}^{3} \\ + {x}^{4} + 7 {x}^{3} + 4 {x}^{2} \\ a = {x}^{5} + 8 {x}^{4} + 11 {x}^{3} + 4 {x}^{2}$

3 0

4 years ago

Write an expression in simplified form for the area of the rectangle​

Write an expression in simplified form for the area of the rectangle