2 years ago

There are 12 inches in one foot, creating the equation y=12x If a door frame is 5.75 feet tall, how many inches tall is it?

Mathematics

1 answer:

Neko [114]2 years ago

8 0

There are 69 inches in 5.75 feet.

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Svetllana [295]

2+x=2x-15
>> 2+15=2x-x
>> 17 = x

So the answer is <u>17</u>

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3 years ago

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2 25 divided by 11 10 in fraction

koban [17]

Answer:

$\frac{4}{55}$

Step-by-step explanation:

$\frac{2}{25} \div \frac{11}{10}$

$\frac{2}{25} \times \frac{10}{11}$

$\frac{2}{5} \times \frac{2}{11} = \frac{2 \times 2}{5 \times 11}$

$\frac{4}{5 \times 11}$

$= \frac{4}{55}$

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3 years ago

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Use the quadratic formula to find the solutions for..<br> y = 2x^2 - 9x + 5.

Yakvenalex [24]

Answer: $x=\frac{9}{4}-\frac{\sqrt{41} }{4} \\x=\frac{9}{4}+\frac{\sqrt{41} }{4}$

Step-by-step explanation:

$2x^2-9x+5$

a=2

b=-9

c=5

$x=\frac{-b\frac{+}{}\sqrt{b^2-4ac} }{2a}$

$x=\frac{-(-9)\frac{+}{}\sqrt{(-9)^2-4(2)(5)} }{2(2)}$

$x=\frac{9\frac{+}{}\sqrt{81-40} }{4}$

$x=\frac{9\frac{+}{}\sqrt{41} }{4}$

$x=\frac{9}{4}-\frac{\sqrt{41} }{4} \\x=\frac{9}{4}+\frac{\sqrt{41} }{4}$

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3 years ago

There are (49)5 ⋅ 40 books at the library. What is the total number of books at the library?

ANTONII [103]

(4^9)5 X 4^0
4^9 is 262,144 x 5 = 1,310,720
1,310,720 x 1 = 1,310,720

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2 years ago

Mrs Boswell is ordering cookies from a bakery for her daughter’s eighth grade graduation party she uses a table to figure out ho

Alekssandra [29.7K]

Answer:

I'm pretty sure the answer is B, I hope this helps!

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2 years ago