8. A polyhedron has 15 edges and 10 vertices. How many faces does it
have? *​

Answer:

1/10

Step-by-step explanation:

There's 10 marbles that you can pick, and there's only one marble with a 3 on it. So it'd be 1/10

I did the question and the correct answer was 9/10. Not 1/10 like the other answer.

Answer:

Step-by-step explanation:

If the pedestal on which a statue is raised on is a rectangular concrete solid measuring nine  feet long, nine feet wide, and six inches high, the volume of the rectangular concrete solid will be expressed as shown;

Volume of the rectangular concrete solid = Length * Width * Height

Given Length = 9ft, Width = 9ft and Height = 6inches

Converting all the units to yards

Given 1ft = 0.333yard

Length = 9 * 0.333 = 2.997yards

Width = 9* 0.333 = 2.997yards

Also given 1inch = 0.0278yard

Height = 6 * 0.0278yards = 0.1668yards

Volume of rectangular concrete solid in cubic yards = 2.997*2.997*0.1668

Volume of rectangular concrete solid in cubic yards = 1.4982cubic yards

If concrete costs $70 per cubic yard, the cost of the rectangular concrete solid will be 1.4982 *$70 = $104.87

Answer:

slope: 2

x-intercept = -1/2

Step-by-step explanation:

The equation is in  y = mx + b  form.  m = slope.  The slop is equal to 2.

To find the x-intercept set y equal to 0 and solve for x.

0 = 2x + 1

-1 = 2x

x = -1/2

Answer:

slope= 2

x intercept=-0.5 or -1/2

Step-by-step explanation:

y= mx+b

m is the slope, therefore 2 is the slope of the equation.

X-intercept

substitute 0 to y

0=2x + 1

Subtract 1 from both sides

0-1=2x+1-1

-1=2x

Divide both sides by 2

-1/2=2x/2

x=-1/2 or -0.5

Step-by-step explanation:

Do you mean area formula or the perimeter formula?

both formulas are different from the other because a triangle does not have 4 sides. A trapezoid is a quadrilateral.

and the triangle doesn't have "a base" usually

while trapezoids have two, one on the top and one on bottom

Answer:

[tex]\frac{2n^2}{5n^2-6n+1}[/tex]

Step-by-step explanation:

The problem is as follows:

[tex]\frac{2n-3}{10n^2-17n+3} *\frac{15n^3-3n^3}{6n^2-6n}[/tex]

To make this problem simpler to solve, you can simplify the fractions.  The first fraction can be simplified by factoring the denominator and cancelling out like factors.

[tex]\frac{2n-3}{10n^2-17n+3} \\\frac{2n-3}{(2n-3)(5n-1)} \\\frac{1}{5n-1}[/tex]

The second fraction can be simplified by cancelling out like factors.

[tex]\frac{15n^3-3n^3}{6n^2-6n}\\\frac{12n^3}{6n^2-6n}\\\frac{2n^2}{n-1}[/tex]

Now, you can multiply the two fractions quite easily

[tex]\frac{1}{5n-1} *\frac{2n^2}{n-1}\\\frac{2n^2}{5n^2-6n+1}[/tex]

Answer:

You forgot to put the answer options.

Step-by-step explanation:

Answer:b. The graph of g(x) is shifted 3 units to the left and 2 units above the graph of f(x)

Step-by-step explanation:

Answer:

£375

Step-by-step explanation:

Difference will be equal to the difference in VAT

(20% - 17.5%) of 15000

2.5% of 15000

2.5/100 × 15000

375

Answer:

Kite = 72cm²

Trapezoid = 144 km²

Step-by-step explanation:

Kite:

4×6 = 24cm

8×6 = 48cm

24+48 = 72cm²

Trapezoid:

9×12 = 108 km

12×6 = 72 km

72÷2 = 36 km

36+108 = 144 km²

Factor the number: 64 = [tex]4^3[/tex]

Apply radical rule: [tex]\sqrt[n]{a^n}[/tex] = a  

a [tex]\geq 0[/tex]

[tex]\sqrt[3]{4^3} =4[/tex]

= 4

Answer:

Step-by-step explanation:

What's x

Answer: 288

Parallelogram Area Using Sides

Suppose a and b are the set of parallel sides of a parallelogram and h is the height, then based on the length of sides and height of it, the formula for its area is given by: Area = Base × Height. A = b × h [sq.unit]

Answer:

288 ft

Step-by-step explanation:

The height is 16 and the base is 18.

base times height equals area in a parallelogram.

16x18=288

Answer:

4

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

97=29+17x

subtract 29 from both sides

68=17x

divide both sides by 17

4=x

Answer: Helen paid $250 for the bike

Carla paid $250 for the bike.

They both paid the same amount

Step-by-step explanation:

Final answer:

By calculating the pre-tax prices of the bicycles using the provided sales tax amounts and rates, we determine that both Helen and Carla's bicycles cost $250 before tax, meaning neither paid more for their bicycle excluding the sales tax.

Explanation:

To determine who paid more for their bicycle excluding the sales tax, we need to calculate the pre-tax price of each bicycle using the sales tax amounts given. This requires us to work backwards from the sales tax paid to the original cost of the item.

For Helen, we know that the sales tax was $14, and the rate was 5.6%. We find the pre-tax price by dividing the sales tax paid by the sales tax rate (converted into decimal form):

Pre-tax price for Helen = $14 / 0.056 = $250

For Carla, the sales tax was $12, and the rate was 4.8%. The pre-tax price calculation is similar:

Pre-tax price for Carla = $12 / 0.048 = $250

Since both pre-tax prices are equal, neither Helen nor Carla paid more for their bicycle when we do not include the sales tax.

Step-by-step explanation:

Step 1:  Determine which option

First let me explain you what dependent means, it means that the next event is affected by the previous event.  On the other hand, independent means that all of the events have the same chance of happening and the items don't disappear.  

In this question, if a person chooses a donut there are no more of that type and the next event is affect by the previous one.  Therefore, this question is dependent.

Answer:  Dependent

Answer:

d = -6/7

Step-by-step explanation:

7/6d+4/3=1/3

Subtract 4/3 from each side

7/6d+4/3-4/3=1/3-4/3

7/6 d = -3/3

Simplify the right side

7/6 d = -1

Multiply each side by 6/7 to isolate d

6/7 *7/6 d = -1 *6/7

d = -6/7

Answer:

D= -3.23077

Step-by-step explanation:

7/6d+4/3=1/3

       -4/3   -4/3

7/6d= -1

divide each side by 7/6

d= -3.23077

Answer: 57.50

Step-by-step explanation:

50*.15=7.50

50+7.5=57.50

B - $57.50

Step-by-step explanation:

To find the cost of the available bicycle before taxes, we need to add another 15% to the original $50. To do that, all you do is multiply $50 by 15%, and then re-add the $50. Work is shown below:

First, change 15% into a decimal:

15% -> 15/100 -> 0.15

Next, lets find the cost of the available bicycle:

x = 50 (0.15)

x = 7.5

Now add the $50 back 7.5:

50 + 7.5 = 75.50

So your answer is B = $57.50 

Answer:

The price of a citron is 8 and the price of a wood apple is 9

Step-by-step explanation:

First of all we make two equations that represents the problem

c = citrons price

w = wood apples price

8c + 9w = 145

9c + 8w = 144

we clear c in the first equation

8c + 9f = 145

8c= 145 - 9w

c = (145 - 9w) /8

c = 145/8 - 9w/8

we replace c by (145/8 - 9w/8) in the second equation and solve

9(145/8 - 9w/8) + 8w = 144

163.125 - 10.125w + 8w = 144

163.125 - 144 = 10.125w - 8w

19.125 = 2.125w

19.125/2.125 = w

9 = f

now we replace w in the first equation

8c + 9w = 145

8c + 9(9) = 145

8c + 81 = 145

8c = 145 - 81

8c = 64

c = 64 / 8

c = 8

The price of a citron is 8 and the price of a wood apple is 9

Answer:

5x (5x²+3) ( x-1 ) ( x+1 )

Step-by-step explanation:

hope this helps

Answer:

its B

Step-by-step explanation:

Answer:

it is b

Step-by-step explanation:

i took the test

Answer:

To find the result of 300 - 650, we can:

a) do 650 + 300 and keep the result sign

b) do 650 + 300 and invert the result sign

c) do 650 - 300 and keep the result sign

d ) perform 650 - 300 and invert the result sign

Step-by-step explanation:

The correct answer is the letter D .

(perform 650 - 300 and invert the result sign)

300 - 650

300 is more than - 650 on the number line this is because of the negative sign of 650

so we can also write it as 650 - 300 and after getting the require result with put the negative sign to the result, so the result will be -350

Keep the sign of the number with the highest absolute value and subtract from it the lowest absolute value.

- (650 - 300)

Subtract the numbers.

- 350

therefore, the answer is d ) perform 650 - 300 and invert the result sign

Answer:22.75

Step-by-step explanation:

Answer:

B. 24 units

Step-by-step explanation:

Each triangle has 13 as the hypotenuse and 8 as a leg length; the lengths carry over.

The longer leg length (MP & PL) is 12 from the pythagorean theorem.

13^2 - 8^2 = 12^2.

MP + ML = PL, so 12 + 12 = 24.

Answer:

24

Step-by-step explanation:

To determine how many times larger the peach got, you will divide the new diameter by the original diameter length.

188869/98 = 1927.2

The new diameter is approximately 1927 times longer.

To convert this to scientific notation, move the decimal point from the end (on the right) to between the 1 and the 9 to get 1.927.

Then count the number of decimal places you moved to get there, because this represents how many groups of 10 you adjusted your place value by and then becomes your exponent in scientific notation.

1.927 x 10^3 times is the answer in scientific notation.

Answer:

2*10^3

Step-by-step explanation:

I hope that helps, coz l've done what i know

Answer:

Step-by-step explanation:

Width = w

Length = 3w

Area = 243 square units

length *width = 243

3w * w = 243

3w² = 243

The equation that can be used to find the width of the rectangle is 3w² = 243.

A rectangle is a polygon having four sides , The opposite sides are equal to each other and measure of all the angles is 90 degrees.

It is given that

A rectangle's length is three times its width, w.

l = 3w

Its area is 243 square units.

Area of a rectangle is given by

length * breadth

l*w

3w*w = 243

3w² = 243

equation that can be used to find the width of the rectangle is 3w² = 243.

To know more about Rectangle

https://brainly.com/question/15019502

#SPJ2

Answer:

The equation of the hyperbola is presented as follows;

[tex]\frac{x^2}{16} - \frac{y^2}{9} =1[/tex]

Step-by-step explanation:

Here we have the standard equation of an hyperbola given as follows;

[tex]\frac{x^2}{a^2} - \frac{y^2}{b^2} =1[/tex]

Where:

a = x intercept

The asymptote is ±(b/a)x

Since the intercept, a is ± 4, the vertices are (-4, 0) and (4, 0)

We are given the asymptote as y = 3/4x, therefore, since the genral form of the asymptote is ±(b/a)x, comparing, we have;

±(b/a)x ≡ 3/4x

We have a = ±4, therefore, b = 3

Hence the equation of the hyperbola is found by putting in the values of a and b in the general form as follows;

[tex]\frac{x^2}{a^2} - \frac{y^2}{b^2} =1 \Rightarrow \frac{x^2}{4^2} - \frac{y^2}{3^2} =1[/tex]

The equation of the hyperbola = x²/16 - y²/9 = 1.

Answer:

B

Step-by-step explanation:

edge

Answer:

15%

Step-by-step explanation:

pretty sure thats right

Final answer:

The student's question involves a business math concept of calculating the percent markup from the cost and selling price, resulting in a 50% markup for this example.

Explanation:

The question involves calculating the percent markup based on the cost to store an item and its selling price.

To find the percent of markup, you subtract the cost to store from the selling price and then divide by the cost to store.

Finally, multiply by 100 to get the percentage.

For example, if an item costs $75 to store and sells for $112.50, the markup is ($112.50 - $75) / $75 = 0.50, or 50%.

This is an example of a basic markup calculation commonly covered in business and economics classes in high school.

Answer:

False

Step-by-step explanation:

Lemme know if it helped

Answer:

the answer is

[tex] \sqrt{5} [/tex]

as you can see I got it right.

Answer:

Yes.

Step-by-step explanation:

The number 3 is a natural number, and all of these types of numbers are rational.

Another way to look at it is if a number can be written as a fraction, the number is rational.

Answer:

in fact yes

Step-by-step explanation:

it is since it's actually a normal number