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4 years ago

the area of a rectangle is 2x^2-5-3 and the length of the rectangle is 2x+1. find the width of the rectangle

Mathematics

1 answer:

ZanzabumX [31]4 years ago

3 0

Answer:

$x - 3$

Step-by-step explanation:

$\frac{2{x}^{2} - 5x - 3}{2x + 1} = \frac{[x - 3][2x + 1]}{2x + 1} = x - 3$

This is much faster than doing long-polynomial division, which we could have done, since the divisor is not in the form of x - c, where −c gives gives the OPPOSITE TERMS OF WHAT THEY REALLY ARE.

I am joyous to assist you anytime.

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3 years ago

Read 2 more answers

G/3 + 11 = 25 please help

pochemuha

Answer: g = 42

Step-by-step explanation:

g/3 + 11 = 25

First, subtract 11 to both sides

g/3 = 14

Then, multiply 3 to both sides to get rid of the fraction

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3 years ago

Juan went to Walmart to buy notebooks and

9966 [12]

Answer:

Juan went to Walmart to buy notebooks and

highlighters for his classes. Notebooks cost $3

while highlighters cost $4. Juan bought 12 items

and he spent a total of $42. Write a system of

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Step-by-step explanation:

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3 years ago

Use the side-splitter theorem to solve for x in the triangle below. 21 42

alexandr1967 [171]

x = 8

Solution:

Side-splitter theorem:

If a line is parallel to one side of a triangle and the line intersects the other two sides, then this line divides those two sides proportionally.

$$\Rightarrow\frac{4}{21} =\frac{x}{42}$

Do cross multiplication, we get

⇒ 4 × 42 = 21x

Divide by 21 on both sides, we get

⇒ 4 × 2 = x

⇒ 8 = x

Switch the sides.

⇒ x = 8

The value of x is 8.

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3 years ago

Amanda is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices. Co

Tema [17]

Answer:

For mileages higher than 80 miles Company A will charge less than Company B

Step-by-step explanation:

Hi, to answer this question we have to write an inequality:

Company A charges $111 and allows unlimited mileage.

Company A =111

Company B has an initial fee of $55 and charges an additional $0.70 for every mile driven

Company B = 55+0.70m

Where m is the number of miles.

Company A has to charge less than Company B

a<b

111 < 55+0.70m

Solving for m

111-55 < 0.70 m

56 < 0.70m

56/0.70 < m

80 < m

For mileages higher than 80 miles Company A will charge less than Company B

5 0

3 years ago

the area of a rectangle is 2x^2-5-3 and the length of the rectangle is 2x+1. find the width of the rectangle​

the area of a rectangle is 2x^2-5-3 and the length of the rectangle is 2x+1. find the width of the rectangle