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3 years ago

1 1/4 - 1/3 = 15/24 - ??

Mathematics

1 answer:

ivolga24 [154]3 years ago

6 0

Answer

It is 11/12

hope im not late i hope it helps

Step-by-step explanation:

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Vince has a rectangular rug in his room with an area of 10 ft the length of the rug is 18 inches longer than the width what coul

aev [14]

The length of the rug is 4 ft.

The width of the rug is 2.5 ft.

Explanation:

The area of the rug is 10 ft.

The length of the rug be l.

Let us convert the inches to feet.

Thus, $18 inches = 1.5 ft$

Thus, the length of the rug is $l=1.5+w$

Let the width of the rug be w.

Substituting these values in the formula of area of the rectangle, we get,

$A=length\times width$

$10=(1.5+w)(w)\\10=1.5w+w^2\\w^2+1.5w-10=0$

Solving the expression using the quadratic formula,

$w=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Substituting the values, we have,

$$w=\frac{-15 \pm \sqrt{15^{2}-4 \cdot 10(-100)}}{2 \cdot 10}\\$

$w=\frac{-15 \pm \sqrt{4225}}{20}$

$w=\frac{-15 \pm 65}{2 0}$

Thus,

$w=\frac{-15 + 65}{2 0}\\w=\frac{50}{20} \\w=2.5$ and $w=\frac{-15 - 65}{2 0}\\w=\frac{-80}{20} \\w=-4$

Since, the value of w cannot be negative, the value of w is 2.5ft

Thus, the width of the rug is 2.5ft

Substituting $w=2.5$ in $l=1.5+w$ , we get,

$l=1.5+2.5\\l=4$

Thus, the length of the rug is 4 ft.

4 0

3 years ago

6. What number can be added to -4 to get a sum of 0?<br> a) -4<br> b) 0<br> c) %<br> d) 4

Alika [10]

-4 + x = 0

Add 4 to both sides:

x = 4

The answer is d) 4

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2 years ago

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What property would justify the following statement? If a = b and b = c, then a = c. Addition Property Reflexive Property Subtra

romanna [79]

Answer:

It would be the transitive property! If you look up "If a = b, and b = c, then a = c" you'd see the transitive property. I hope this helps!

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3 years ago

Kevin has 14 buttermilks how many buttermilk is he need to make a pancakes7

Luda [366]

Answer:

dont know redo the question

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3 years ago

The camera cost $540 if the sales tax is 7.2% what is the tax change and the total cost?

suter [353]

Answer:

$75 ?

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2 years ago