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goldenfox [79]
3 years ago
14

How do you solve this problem provide the work (textbook problem)

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
5 0
Since there is 3 feet of total space, that equals 36 inches of space. Since each book is 3/4 of an inch, you can fit 48 books on there.
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The sum of the lengths of two opposite sides of the circumscribed quadrilateral is 12 cm, the length of a radius of the circle i
nasty-shy [4]

Answer:

60cm^2

Step-by-step explanation:

We assume that is a circumscribing quadrilateral, rather than one that is circumscribed. It is also called a "tangential quadrilateral" and its area is ...

 K = sr

where s is the semi-perimeter, the sum of opposite sides, and r is the radius of the incircle.

 K = (12 cm) (5cm) = 60 cm²

_____

A quadrilateral can only be tangential if pairs of opposite sides add to the same length. Hence the given sum is the semiperimeter.

8 0
3 years ago
5(-7)+9(4) I am confused on this problem
amm1812

Answer:

the answer is 1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A nurse gave an 8 year old child a dose of 6 mL of medicine. What would be the adult equivalent of this dosage
aleksley [76]
Ok read first heheheh where
3 0
2 years ago
Use the Quadratic formula to find all real zeros of the 2nd degree polynomial
schepotkina [342]

Answer:

  x ∈ {-5, -1}

Step-by-step explanation:

Here's the solution using the quadratic formula:

x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}=\dfrac{-24\pm\sqrt{24^2-4\cdot 4\cdot 20}}{2\cdot 4}\\\\=\dfrac{-24\pm\sqrt{576-320}}{8}=\dfrac{-24\pm\sqrt{256}}{8}\\\\=\dfrac{-24\pm 16}{8}=-3\pm 2=\{-5,-1\}

The real zeros are -5 and -1.

_____

There are many ways to check your answer. One of them is to look at the given quadratic, which has no changes of sign in its coefficients. (They are all positive.) That means there can be no positive real roots, so already you know that x=0.5 won't work.

Also, the constant in the quadratic is the product of the roots, For your roots, their product is -7/4, so even multiplying by 4 (the leading coefficient in the given quadratic), you don't get anything like 20.

4 0
3 years ago
HELP PLEASE!!!!<br> Subtract: 7/8−1/2<br> 14 <br> 38 <br> 58 <br> 34
drek231 [11]

Answer:

7/8 - 1/2

= 0.37

hope it helps!

5 0
3 years ago
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