A camera has a listed price of 643.99 before tax. If the sales tax rate is 9.75%, find the total cost of the camera with sales tax included. Round your answer to the nearest cent, as necessary.

Answer:

D

Step-by-step explanation:

Well, the right edge is 1 line away from 6 so it is 5 15/16 inches.

There are 16 lines for each 1 line. so it is 5 inches and 15 lines out of 16

Answer:

Step-by-step explanation:

44/8

= 5 whole 4 by 8

= 5 4/8

Answer:

5/2 = 2.5

Step-by-step explanation:

false if the prices increase tomorrow or true if the prices decrease.

so basically it's always uphill so false

hope it helps...!!!

ANSWER:

false

EXPLANATION:

Step-by-step explanation:

the decay or "half-life" of radioactive particles is really a big joke by nature, in my opinion.

it takes that much time for half of the amount to decay, so, naturally, one wound assume that after a second interval then the other half is gone.

but far from it. no, only the half of the originally remaining half is then gone (the half of a half is 1/2 × 1/2 = 1/4). and after another interval the half of the half of the half is then gone. and so on.

so, this creates a geometric sequence with the common factor (or ratio) if 1/2.

that means every term is created by multiplying the previous term by 1/2.

a.

how many "half-lives" in 1104 days ?

well, with every 138 days such a half-life is over.

so, the answer is how often 138 fits into 1104 :

1104 / 138 = 8

there are 8 "half-lives" of polonium-210 in 1104 days.

b.

how much polonium-210 is in the sample after 1104 days ?

since we have 8 half-lives, we need to multiply the original amount 8 times by 1/2. in other words by 1/2⁸.

2⁸ = 256

so, our calculation is

30 g × 1/256 = 0.1171875 g ≈ 0.12 g

so, the second answer option is correct.

Answer:

24

Step-by-step explanation:

area of a triangle is length x width, divided by 2. so 8 times 6, divided by 2. 48/2 = 24.

Answer: His temperature is 99°F

Step-by-step explanation:

Let's state what we know:

Steve's temperature was initially 102°F

Later it dropped 3°F lower

Since his temperature decreased we need to subtract 3 from 102 to see what his temperature is now

102-3=99

Answer:

subtract 75 out of 636.75 then once you get that answer divided it by 100 to get the percentage

Answer:

54.45 in²

Let the base and height be 9.9 inches and 5.5 inches respectively.

Formula;

Area of parallelogram = Base × Height

Substitute the base and the height in the formula:

Evaluate the area of the parallelogram:

Answer:

54.45 in²

Step-by-step explanation:

Formula

Area of a parallelogram = base × height

If you turn the parallelogram so that the sides that measure 9.9in are the base, you will see that 5.5in is the height (refer to the attached diagram).  Therefore, we can use the formula with these values to calculate the area.

Given:

⇒ area = 9.9 × 5.5 = 54.45 in²

Answer:

D

Step-by-step explanation:

use the sine or cosine ratio in the right triangle.

using the sine ratio and the exact value

sin45° = [tex]\frac{\sqrt{2} }{2}[/tex] , then

sin45° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{x}{4}[/tex] = [tex]\frac{\sqrt{2} }{2}[/tex] ( cross- multiply )

2x = 4[tex]\sqrt{2}[/tex] ( divide both sides by 2 )

x = 2[tex]\sqrt{2}[/tex]

The value of x is 2√2.

Hence the correct option is D.

Given that a right triangle with acute angles 45° each, and hypotenuse is 4 units,

we need to find the length of the perpendicular,

In a right triangle, the length of the perpendicular (also known as the altitude) can be found using trigonometric ratios.

In this case, since we have an angle of 45°, we can use the sine or cosine function.

Let's use the sine function to find the length of the perpendicular:

sin(45°) = opposite / hypotenuse

sin(45°) = perpendicular / 4

1/√2 = perpendicular / 4

perpendicular = 4/√2

perpendicular = 2√2

Hence the value of x is 2√2.

Learn more about trigonometric ratios click;

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#SPJ2

Answer:

inverse variation

Step-by-step explanation:

rombus Rectangle sqare

Step-by-step explanation:

all have 4 Sides

Answer:

There should be 16, 20 cent coins in the box

Step-by-step explanation:

First we have to do 1.60 x 2 which equals 3.2

Then we divided by 0.20 because the equals the 20 cent coins

We get 16

We can check our work by 0.20 x 16 and that gives us 3.2

I hope this helps!

Answer:

For this question, we use the formula for the volume of a cylinder.

(formula for vol. of cylinder)

V = π[tex]r^{2}[/tex]h

Where 'π' represents pi(22/7 or 3.14), 'r' represents the radius which is being squared, and 'h' stands for the height.

We utilize the information that we know:

Which we then plug into our equation(volume of cylinder formula):

V = π[tex]r^{2}[/tex]h

904.78 = 3.14(6^2) · h

Next solve for the h(height).

904.78 = 3.14(36) · h

904.78 = 113.04 · h

904.78 = 113.04h

/113.04     /113.04

8.00406935598 = h, which we round to 8.

8 centimetres is the height of this cylinder.

Answer:

f(x) and g(x) are inverses of each other

Step-by-step explanation:

To find the inverse of a function, swap the x's and y's and then solve for "y"

f(x) = 5x + 2

y  = 5x + 2

Swap:

    x = 5y + 2

  -2        - 2

x - 2 = 5y

÷5     ÷5  

we subtracted 4 from the x value

we subtracted 7 from the y value

Answer:

(x,y) => (x-4,y-7)

ANSWER: C. 25x^2 + 70x + 49

Hope for help po

Answer:

5

Step-by-step explanation:

cup of Chex mix needed for 4 servings =  [tex]\frac{1}{3}[/tex]

cup of Chex mix needed for 1 servings = [tex]\frac{1}{3}*\frac{1}{4} =\frac{1}{12}[/tex]

cup of Chex mix needed for 60 servings = [tex]\frac{1}{12}*60=5[/tex]

Answer:

  276 ft²

Step-by-step explanation:

The total surface area of a prism is the sum of its lateral area and the area of its bases. Here, the bases are two triangles, and the area of the sides is that of three rectangles.

The area of a triangle is given by the formula ...

  A = 1/2bh . . . . where b is the base of the triangle, h is its height

We have two identical triangles, so their total area will be ...

  A = 2(1/2bh) = bh = (8 ft)(3 ft) = 24 ft²

The sides of the prism are rectangles, all with the same length: 14 ft. Their total area will be that length multiplied by the total of the rectangle widths. That total is the same as the perimeter of the triangular base:

  P = 5 ft + 5 ft + 8 ft = 18 ft

Then the lateral area is ...

  lateral area = Ph = (18 ft)(14 ft) = 252 ft²

The sum of the base area and lateral area is ...

  (24 ft²) +(252 ft²) = 276 ft² . . . . area of the triangular prism

Answer:

Option: C

Analysis:

— Each day earning = $8.25 x H hours

= 8.25 h

Now,

— buys lunch for 6.50

then,

— money left

= 8.25h - 6.50

Answer: B: 24%

Step-by-step explanation:

Most secured loans are not high-interest loans and they are usually backed by collateral.

Secured loans demand the borrower to dedicate an asset or security as an assurance or collateral for the loan in order to get it.

For example:

Secured loans are often long-term loans; e.g, the average period of a house loan is 30 years, whereas vehicle loans run 4-5 years.

These kinds of loans are often repaid in monthly installments and have low-interest rates.

Learn more about secured loans here:

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Solving the trigonometric equations, the times at which the pendulum's movement will be 8 meters from its starting position are of:

[tex]x = 8\pi + 16n\pi[/tex] seconds.

It is given by:

[tex]f(x) = -4\cos{\frac{x}{8}} + 4[/tex]

It is 8 meters from its starting position when f(x) = 8, hence:

[tex]f(x) = -4\cos{\frac{x}{8}} + 4[/tex]

[tex]8 = -4\cos{\frac{x}{8}} + 4[/tex]

[tex]4 = -4\cos{\frac{x}{8}}[/tex]

[tex]\cos{\frac{x}{8}} = -1[/tex]

We have that:

[tex]\cos{x} = -1 \rightarrow x = \pi + 2n\pi[/tex]

Hence:

[tex]\frac{x}{8} = \pi + 2n\pi[/tex]

[tex]x = 8\pi + 16n\pi[/tex] seconds.

More can be learned about trigonometric equations at https://brainly.com/question/24680641

Answer:

I would say it's C

Step-by-step explanation:

trust the process

Answer:

D

Step-by-step explanation:

y=5x-2 since the formula is. y=mx+c

Answer:

20720

Step-by-step explanation:

-3x^2y +4x

-3(-4)^2*2 + 4(-4)

= 12^4 -16

20736 - 16

= 20720

I hope this helped!

Answer:

When x = -4 and y = 2, -3x^(2y) + 4x is -784.

Step-by-step explanation:

-3x^(2y) + 4x

Substitute given variables.

-3(-4)^(2(2)) + 4(-4)

Multiply 2 and 2.

-3(-4)^4 + 4(-4)

Multiply -3 and -4.

Raise -4 to the 4th power.

-3(256) + 4(-4)
Multiply -3 and 256.

-768 + 4(-4)

Multiply 4 and -4

-768 + (-16)

Add -768 and -16.

-784

Answer:

5 and 1/4 is the answer to your problem

Step-by-step explanation:

Answer:

[tex]\frac{21}{4}[/tex] or  [tex]5 \frac{1}{4}[/tex]

Step-by-step explanation:

[tex]1 \frac{2}{4} + 3 \frac{3}{4}\\[/tex]

First, I would convert them into improper fractions. To convert [tex]1 \frac{2}{4}[/tex], I would do 1 x 4 = 4, then + 2 = 6

To convert [tex]3 \frac{3}{4}\\[/tex] , I would do the same: 3 x 4 = 12 + 3 = 15

That leaves us with [tex]\frac{6}{4}[/tex] + [tex]\frac{15}{4}[/tex]

All we have to do is add the numerators (top numbers) so

6 + 15 = 21

Answer = [tex]\frac{21}{4}[/tex]

or, as a mixed number, [tex]5 \frac{1}{4}[/tex]

Hope this makes sense. If you require any further explanation, feel free to ask..

- profparis

If I helped you, I would appreciate a brainliest :D

Answer:

x=16, y=26, z=13

Step-by-step explanation:

opposite angles are congruent so (3x+30)=(4x+14)

Solve for x

x=16

adjacent sides are supplementary so insert x in both equations just to make sure it is correct and you get 78

so 3y=78 and 6z=78

solve for y and z

y=26, z=13

Using it's concept, it is found that the period of the function is of 20 seconds.

The period of a function is given by the distance between it's repetitions.

In this problem, the function starts at 0s, with 4.8 ft, then in intervals of 2s, the heights are of 6.6 ft, 7.6 ft, 7.8 ft and so on. The same pattern starts again after 20 seconds.

Hence, the period of the function is of 20 seconds.

More can be learned about the period of a function at https://brainly.com/question/16818112

Answer:

D is the correct answer

Step-by-step explanation:

2n-1<5= n<3

2n-1>-5= n>-2