In a really exciting part of the book, the student read 18 pages in one sitting. For how many minutes did she read?

Answer: 420 different codes.

Step-by-step explanation:

We have eight digits, {0, 0, 0, 0, 2, 2, 4, 4}

For the first digit of the code, we will have 8 options.

For the second we will have 7 options (because we already took one)

for the third one we will have 6 options, and so on.

for the fourth, we will have 5 options

for the fifth, there are 4 options.

for the sixth, there are 3 options.

for the seventh, there are 2 options.

And for the last, there is only one option.

The total number of combinations will be equal to the product between the numbers of options for each digit, then we will have:

C = 8*7*6*5*4*3*2*1

But there is something more, the zeros can permute and will give the same code (So we are counting the same code several times), we have 4 zeros, then the number of permutations of the zeros is:

4*3*2*1  = 24

the 4's also are repeated, two times in this case, the number of permutations is:

2*1 = 2

And the 2's also are repeated, also two times, the number of permutations is:

2*1 = 2

Because we do not want to count these repetitions, we need to divide the total number of combinations by these 3 numbers of permutations

This means that we need to divide the number of different combinations will be:

c = (8*7*6*5*4*3*2*1)/(24*2*2) = 420

So we can conclude that there are 420 different codes.

The number of eight digit codes she can make using the digits in her birthday is; 420 eight digit codes

The 8 digits code of her birth date are;

0, 4, 0, 2, 2, 0, 0, 4

Now, since there are 8 digits, then number of ways of arranging the 8 digits is 8!

Since there are some repetitions, then we have to consider the permutations for them too.

There are four 0's which is 4!

There are two 2's which is 2!

There are two 4's which is 2!

Thus, number of 8 digit codes she can make using the digits on her birthday is;

8!/(4! × 2! × 2!) = 420 eight digit codes

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Answer:

75%

Step-by-step explanation:

If he used 6 out of 8 gb of his cell phone plan we can write that as a fraction as 6/8.

We can simplify 6/8 to 3/4. And 3/4 when divided is equal to 0.75 which when written as a fraction is 75%.

I hope this helps!

Answer:

87.5%

Step-by-step explanation:

.

..

...

....

......

......

....

....

7 is 87.5 percent of 8.

Here, we have,

given that,

7 is what percent of 8

now, let,

x% of 8 is 7.

we know that,

of means multiply

now, we have,

x% of 8 is 7..

=> x% × 8 = 7.

=> x% = 7/8

=> x% = 0.875

=> x = 0.875 * 100

=> x = 87.5

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Answer:  4x=3y-19 3x+2y=24 its 24

Answer: x

=

3.75

,

y

=

2

Step-by-step explanation:

Answer:

36.0 cm

Step-by-step explanation:

use cosine to find the value of a

cos(68) = a/96    Multiply both sides by 96

a = cos (68) * 96

a = 35.96

Round to nearest tenth: 36.0 cm

Answer:

36.0 cm

Hope this helped have an amazing day!

Select no for both a and b.

Disclaimer:

The graph is not attached to the question.

And the function is also not clear.

Assume that the given question is f(x) = -4x².

Refer to the answer below.

The given function does not have any undefined points or domain constraints.

Therefore, the domain for this function f(x) is the set of all real numbers.

The minimum value of the function f(x) is -∞.

The maximum value of the function f(x) is 0.

Therefore, the range is (-∞, 0].

Option a:

The domain is (-∞, 4].

So, the answer is no for this option.

Option b:

The range is (-∞, 4].

So, the answer is no for this option.

Refer to the attached graph for this function.

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Using the Pythagorean Theorem, the length of CD, to the nearest hundredth, is: 11.62.

The measure of the longest side of a right triangle when squared will be equal to the sum of the squares of the other smaller sides of the right triangle.

Given the following:

Side AB = 6

Side AC = 12

Based on the perpendicular bisector theorem, AD = 1/2(AB) = 1/2(6) = 3.

Using the Pythagorean theorem, we have:

Length of CD = √(AC² - AD²)

Length of CD = √(12² - 3²)

Length of CD = √(144 - 9)

Length of CD = 11.62

Thus, using the Pythagorean Theorem, the length of CD, to the nearest hundredth, is: 11.62.

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Answer:

Step-by-step explanation:

I do not know, it doesn't make sense.

The required amount to be held this week for federal tax is $12.75.
               

Here,
Last week's earnings = $240
Difference with marked amount = $240 - $195 = $45
This comes under type 2
So tax = 14 + 15% of 45
   tax = 14.40 + 6.75
   tax = $21.15

This week's earnings = $325
The difference with marked amount = $325 - $195 = 130
Tax = 14 + 15% of 130
Tax = 14.40 + 19.5
Tax = 33.9
the amount held this week = 33.9 - 21.15
                                         = $12.75

Thus, the required amount to be held this week for federal tax is $12.75.

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Answer:

ok look, you gonna learn somethin ight

Step-by-step explanation:

If you want answer you usually wanna put at least 15 or more points invested after grinding points its more worth and more people will go for it instead of 5 points just saying it happened to me to i did a 5 points thing and no-one answered then, I did 50 and I got like 5 people saying NOO I WANTED TO ANSWER so yeah no hate but I'm just saying you can report if you think is mean which I already know is rude to most people and idc really. wasnt copied from e

The equation that is shown by the graph is y = -x + 4

From the graph, we have the following observation:

The above means that the graph represents a linear equation

The points on the graph are

(0, 4) and (4, 0)

Calculate the slope using

m = (y2 - y1)/(x2 - x1)

This gives

m = (0 - 4)/(4 - 0)

Evaluate

m = -1

The linear equation is represented as

y = mx + c

So, we have

y = -x + c

Where c = y, when x = 0

So, we have:

c = 4

This means that

y = -x + 4

Hence, the equation that is shown by the graph is y = -x + 4

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Answer:

13/15

Step-by-step explanation:

love the pic of deku

Answer:

I cannot see the picture

Step-by-step explanation:

Answer: 1

Step-by-step explanation:

The ones place is the place furthest to the right before the decimal. In this case, the decimal is implied because 431 is a whole number. 431 can also be written as 431.0 which more clearly shows this.

The ones place contains the value 1.

In case you need it later,

The tens place is 3 and the hundreds place is 4.

The unknown number will be 5 if we add two to twice a number, the result is twelve.

Let the unknown number be x.

Then the twice of the known number be 2x.

According to the given question.

If we add two to twice a unknown number, the result is twelve.

So, from the given scenario we can say that

2 + 2x = 12

Now we have a linear equation in one variable 2 + 2x = 12 and we have to solve it for x which gives us the unknown number.

Therefore,

2 + 2x = 12

⇒ 2x = 12 - 2   (subtracting 2 from both the sides)

⇒ 2x = 10

⇒ x = 10/2

⇒ x = 5

Hence, the unknown number will be 5 if we add two to twice a number, the result is twelve.

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Answer: y>-5/8

Step-by-step explanation:

y+7/8>1/4

y>1/4-7/8

y>2/8-7/8

y>(2-7)/8

y>-5/8

Answer:

y=4,5

Step-by-step explanation:

Anything inside an absolute value will become postive.

So, 2y-9 can be -1 because the absolute value of -1 is 1.

Knowing this,

2y-9 = 1

or

2y-9 = -1

2y-9=1

2y=10

y=5

and

2y-9=-1

2y=8

y=4

y=4,5

Answer:

This equation illustrates the associative property of the real number field, [tex](\mathbb{R},\, +,\, \cdot)[/tex].

Step-by-step explanation:

All four choices here are indeed properties of the field of real numbers, [tex](\mathbb{R},\, +,\, \cdot)[/tex]. However, the equation [tex](2 + x) + 3 = 2 + (x + 3)[/tex] makes use of only the associative property.

By identity property of fields, the real number field [tex](\mathbb{R},\, +,\, \cdot)[/tex] should contain an identity element [tex]e \in \mathbb{R}[/tex], such that for any element of that field [tex]a \in \mathbb{R}[/tex]:

[tex]a + e = a[/tex].

In particular, the identity element of the real number field [tex](\mathbb{R},\, +,\, \cdot)[/tex] is the real number [tex]0[/tex]. The identity property (of addition) would then read:

[tex]a + 0 = a[/tex] for any [tex]a \in \mathbb{R}[/tex].

By the distributive property of fields, for any three elements ([tex]a,\, b,\, c \in \mathbb{R}[/tex]) of the real number field [tex](\mathbb{R},\, +,\, \cdot)[/tex]:

[tex]a\cdot (b + c) = a \cdot b + a \cdot c[/tex].

[tex](a + b) \cdot c = a \cdot c + b \cdot c[/tex].

Note that this property features both addition and multiplication in the same equation. However, the equation in the question includes only addition. Therefore, this property would not apply here.

By the associative property of fields, for any three elements  ([tex]a,\, b,\, c \in \mathbb{R}[/tex]) of the real number field [tex](\mathbb{R},\, +,\, \cdot)[/tex]:

[tex]a + (b + c) = (a + b) + c[/tex].

[tex]a \cdot (b \cdot c) = (a \cdot b) \cdot c[/tex].

In particular, the equation [tex](2+ x) + 3 = 2 + (x + 3)[/tex] (where [tex]x \in \mathbb{R}[/tex]) illustrates the associative property of addition of the real number field.

Note that even though the location of the parentheses have changed, the elements are still in the same place (with [tex]a[/tex], [tex]b[/tex], and [tex]c[/tex] in the same order on both sides of the two equations.)

By the commutative property of fields, for any two elements  ([tex]a,\, b\in \mathbb{R}[/tex]) of the real number field [tex](\mathbb{R},\, +,\, \cdot)[/tex]:

[tex]a + b = b + a[/tex].

[tex]a \cdot b = b \cdot a[/tex].

The commutative property of fields allow the elements in the additions and in multiplications to be rearranged. (In contrast, the associative property allows for only the rearrangement of the parentheses.)

That doesn't apply to [tex](2+ x) + 3 = 2 + (x + 3)[/tex] because the numbers and symbols appear in the same order on both sides of the equation.

Answer:

associative property

Step-by-step explanation:

:)

Answer:y=x

y=3

y=6

Step-by-step explanation: Haha dont trust me, i bet that this is wrong

Answer:

480. (I think).

Step-by-step explanation:

Hope this helps, have a great day!

Answer:

1/3

Step-by-step explanation:

The total number of sodas sold is 6, which means the amount of diet soda compared to that is 2/6. This can be further simplified to 1/3.

Answer:

Step-by-step explanation:

-12 = 4(-6 + f)

-12 = (-6 * 4 + f * 4)

-12 = (-24 + 4f)

-12 = -24 + 4f

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Add '-4f' to each side of the equation.

-12 + -4f = -24 + 4f + -4f

Combine like terms: 4f + -4f = 0

-12 + -4f = -24 + 0

-12 + -4f = -24

Add '12' to each side of the equation.

-12 + 12 + -4f = -24 + 12

Combine like terms: -12 + 12 = 0

0 + -4f = -24 + 12

-4f = -24 + 12

Combine like terms: -24 + 12 = -12

-4f = -12

Divide each side by '-4'.

f = 3

Simplifying

f = 3

Hope helps you

Ok let's begin

These are adjacent complementary angles, these two guys together equal 90 degrees.

so we line them up into an equation

5x-18+4x+45 = 90

9x = 90 - 27

9x = 63

x = 7

Hope this helps

Answer:

-7.71

Step-by-step explanation:

let the number be n

7 (n + 8) = 2

7n + 56 = 2

7n = 2-56 = -54

n = -54/7 = -7.71

The new function resulting from the vertical translation of the function f(x) = x - 2. (Correct choice: C)

In this problem we find a linear equation, of which we are asked to traslated vertically, a task that can be done by rigid transformation known as vertical translation, which is defined by the following formula:

g(x) = f(x) + k       (1)

Where k is the change done on the function along the y axis. Please notice that there is a vertical translation in the + y direction if and only if k > 0, otherwise there is no change (k = 0) or a vertical translation in the - y direction if and only if k <  0.

If we know that f(x) = x - 2 and k = 4, then the resulting expression is:

g(x) = (x - 2) + 4

g(x) = x + (4 - 2)

g(x) = x + 2

The new function resulting from the vertical translation of the function f(x) = x - 2. (Correct choice: C)

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Answer:

were is the chart? so I can answer

Answer:

It should be 7.5 i can't seem to find another answer that says: A circular blade on a saw rotates at 2400 revolutions per minute. Find the angular speed in radians per second.  without having 7.5 in it!

Step-by-step explanation:

I hope im right, i apoligize if im not!