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antiseptic1488 [7]
4 years ago
5

the length of a new rectangular playing field is 7 yards longer than double the width. if the perimeter of the rectangular playi

ng field is 290 yards, what are its dimensions?
Mathematics
1 answer:
Soloha48 [4]4 years ago
7 0

Answer:

the width is 46 and the length is 99

Step-by-step explanation:

perimeter = 290 yards

length =2w+7

width =w

perimeter = 2w + 2l =290

2w+ 2(2w+7) =290

2w+4w+14= 290

6w = 276

w= 46

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Rhett is solving the quadratic equation 0= x2 – 2x – 3 using the quadratic formula. Which shows the correct substitution of the
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The correct option is 1.

Step-by-step explanation:

If a quadratic equation is defined as

ax^2+bx+c=0

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0=x^2-2x-3

Here, a=1, b=-2 and c=-3.

Substitute these values in the above formula.

x=\frac{-(-2)\pm \sqrt{(-2)^2-4(1)(-3)}}{2(1)}

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Therefore, the correct option is 1.

4 0
4 years ago
The Legs of a right triangle are lengths x and x square root of 3. The cosine of the smallest angle is
ki77a [65]

Answer:

Step-by-step explanation:

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angie needs 8 cups of oliv oil to make a recipe if olive oil costs $4.00 a pint how much money will she need to buy the olive oi
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Can you help me answer this question
r-ruslan [8.4K]
Division of a fraction is the equivalent of multiplying by its reciprocal
ex.
\frac{\frac{A}{B} }{\frac{C}{D}}=\frac{A}{B} *\frac{D}{C}
i suggest you try to remember this concept

in terms of your question

\frac{\frac{4c-12}{4c+8}}{\frac{c-3}{c^2-4}}= \frac{4c-12}{4c+8} *\frac{c^2 -4}{c-3}

from this point, just multiple the numerators together and denominators together, then simplify if necessary

fyi- difference of squares
x^2-b^2 = (x-b)(x+b)
relating that to
c^2-4 = c^2 -2^2 = (c-2)(c+2)

also a side note, you might want to factor out the 4 first in the top fraction


4 0
4 years ago
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