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3 years ago

How do you write 23.5 in word form

Mathematics

2 answers:

snow_lady [41]3 years ago

7 0

Twenty three and a half

vladimir1956 [14]3 years ago

5 0

We have the following number:

23.5

This number can be written as:

23 + 0.5

Or:

23 + 1/2

So, the new expression gives us two new numbers. In this way, we can say that:

23 = Twenty three

1/2 = a half

In conclusion, the number 23.5 can be written as follows:

23.5 = Twenty three and a half

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Pythagoras help needed please

boyakko [2]

Answer:

See explanation

Step-by-step explanation:

Find the diagonal of the square. The side of the square is 5 cm long. By the Pythagorean theorem,

$\text{Diagonal}^2=\text{Side}^2+\text{Side}^2\\ \\\text{Diagonal}^2=5^2+5^2\\ \\\text{Diagonal}^2=25+25\\ \\\text{Diagonal}^2=50\\ \\\text{Diagonal}=\sqrt{50}=5\sqrt{2}\approx 7.07\ cm$

If the square (being inside the circle) touches the circle, then the diagonal of the square is exactly the diameter of the circle. The diameter of the circle is twice the radius of the circle, so

$\text{Diameter}=2\times 5=10\ cm$

Since the diagonal is shorter than the diameter, the square can fit into the circle without touching the circle.

6 0

3 years ago

Given $m\geq 2$, denote by $b^{-1}$ the inverse of $b\pmod{m}$. That is, $b^{-1}$ is the residue for which $bb^{-1}\equiv 1\pmod

goblinko [34]

$(2+3)^{-1}\equiv5^{-1}\pmod7$ is the number L such that

$5L\equiv1\pmod7$

Consider the first 7 multiples of 5:

5, 10, 15, 20, 25, 30, 35

Taken mod 7, these are equivalent to

5, 3, 1, 6, 4, 2, 0

This tells us that 3 is the inverse of 5 mod 7, so L = 3.

Similarly, compute the inverses modulo 7 of 2 and 3:

$2a\equiv1\pmod7\implies a\equiv4\pmod7$

since 2*4 = 8, whose residue is 1 mod 7;

$3b\equiv1\pmod7\implies b\equiv5\pmod7$

which we got for free by finding the inverse of 5 earlier. So

$2^{-1}+3^{-1}\equiv4+5\equiv9\equiv2\pmod7$

and so R = 2.

Then L - R = 1.

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2 years ago

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storchak [24]

Answer:

slope is 2/3.

Step-by-step explanation:

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2 years ago

Find the value of x.

Serjik [45]

Answer:

Step-by-step explanation:

Comment

The square of the tangent = the external segment of the secant * the full length of the secant.

Formula

(x - 1)^2 = (x - 3)*(x - 3 + 5) Combine the right

Solution

(x - 1)^2 = (x - 3)*(x +2) Remove the brackets on both sides

x^2 - 2x + 1 = x^2 -3x + 2x - 6 Combine the right

x^2 - 2x + 1 = x^2 - x - 6 Subtract x^2 from both sides

-2x + 1 = - x - 6 Add 6 to both sides

-2x + 1 + 6 = -x - 6 + 6 Combine

-2x + 7 = - x Add 2x to both sides

-2x+2x + 7 = -x+2x Combine

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Answer

x = 7

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2 years ago

Y= 3/8 (x+4) SOLVE FOR X Please show your work. I'm really confused about this.

Lemur [1.5K]

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6 0

2 years ago

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