I need some help please

I Need Some Help Please

Answers

Answer 1

Answer:

HexagonHeptagon

Step-by-step explanation:

The first shape has 6 sides. Hence, it is called a hexagon.

The second shape has 7 sides. Hence, it is called a heptagon.

Answer 2
Given:Polygon 1Polygon 2To find:

The mathematical name for the given 2 polygons.

Solution:

The first polygon has 6 sides with an angle sum of 720°, which means the mathematical name given for this polygon is,

[tex]\large\boxed {Hexagon}[/tex]

The second polygon has 7 sides with an angle sum of 900°, which means the mathematical name given for this polygon is,

[tex]\large\boxed {Heptagon}[/tex]

Hence, the first polygon is a hexagon and the second polygon is a heptagon.


Related Questions

WHAT IS THIS HELP




if u put a bad answer i'll report

Answers

Answer:

C

Step-by-step explanation:

Two negatives cancel out and turn into a positive.

In the expression 11 - ( -3 5/8 ) there are two negative signs. If the parenthesis are removed, the two negative signs cancel out and turn into a positive and we are left with 11 +3 5/8

So the answer is C

Conor’s monthly costs are £695 he wants to go on holiday and needs to save £680 how much does he need to save each month if he saves for 5 months

Answers

The amount of money Conor should save each month for 5 months is £136.

How much should he save each month?

Division is the mathematical operation that is used to determine the quotient of a number. It involves grouping a number into equal parts using another number.

The amount of money Conor should save each month = total amount needed / number of month

£680 / 5 = £136

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Which of the following is a complex number?
OA. -8√-3/1/2
OB. 3√/+√√
9
5
OC. 9-17
OD. 5-2V7
2√7
4

Answers

Answer:

[tex]B)~ 3\sqrt{\dfrac 75} + \sqrt{- \dfrac 95 }[/tex]

Step-by-step explanation:

[tex]3\sqrt{\dfrac 75} + \sqrt{- \dfrac 95 }\\\\\\= 3\sqrt{\dfrac 75} + i\sqrt{\dfrac 95 }\\\\\text{It is now in the standard form of a complex number (a+bi).}[/tex]

A sum of Rs. 12,500 amounts to Rs. 16,500 in 4 years at the rate of simple interest. What is the rate of interest?

Answers

Answer:

100

Step-by-step explanation:

Answer:

The rate of interest is6.4 %

Step-by-step explanation:

Given : Principal (P) = Rs12500  

         Total amount (A) = Rs16500.

         The time period (t) =5  years

To find : Rate of interest (R) = ?

Solution :

It is given that Principal (P) = Rs. 12500

        Total amount (A) = Rs.   16500

        The time period (t) =5  years  

We have to find rate of interest (R).

We know the formula for simple interest as,

       S.I. = A-P

             = 16500±12500

             = Rs. 4000

Now, to find rate of interest, use the formula for simple interest as

           S.I. =  

          ∴

          ∴ *R

             ∴  

                    ∴  

                       ∴R=6.4  %                          

∴  The rate of interest is6.4 %.

Please solve with explanation (high points)

Answers

So, we know that:

[tex]A=\dfrac{1}{2}ab\\P=a+b+c\\a^2+b^2=c^2[/tex]

We also know that [tex](a+b)^2=a^2+2ab+b^2[/tex]. We will use that fact to find [tex]c[/tex] in terms of [tex]A[/tex] and [tex]P[/tex].

[tex]A=\dfrac{1}{2}ab\Rightarrow 2ab=4A\\P=a+b+c\Rightarrow a+b=P-c[/tex]

Therefore:

[tex](P-c)^2=c^2+4A\\P^2-2cP+c^2=c^2+4a\\2cP=P^2-4A\\c=\dfrac{P^2-4A}{2P}[/tex]

A flower bed is in the shape of a rectangle. It measures 7 yards long and 3 yards wide. David wants to use mulch to cover the flower bed. The mulch is sold by the square foot. Find the area of the flower bed in square feet.

Answers

The area of the rectangle is equal to 216ft^2.

We have given that,

A flower bed is in the shape of a rectangle.

It measures 7 yards long and 3 yards wide. David wants to use a mulch to cover the flower bed.

The mulch is sold by the square foot.

A yard is equal to 3 feet.

7 yards = 7(3) = 24 feet

3 yards = 3(3) = 9 feet

What is the formula for the area of the rectangle?

Area of the rectangle=  Lw

Area of the rectangle= 24(9)

Area of the rectangle= 216 ft^2

Therefore the area of the rectangle is equal to 216ft^2.

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please help me. i’m very stressed.

Answers

[tex]\sqrt[n]{a^n}=a[/tex], therefore [tex]\sqrt[4]{5^4}=5[/tex].

Answer:

It is 5

Key solutions:

[tex]\left(\sqrt[n]{a}\right)^n=a[/tex]

Step-by-step explanation:

Isolate the exponents and remove the square, giving you 5

[tex]\left(\sqrt[4]{5}\right)^4\\=5[/tex]

Sara made hot chocolate mix to give to
her neighbors. She mixed 4 cups of sugar
with 2 cups of cocoa. Then she poured 12/2
cups of the mix in each jar. How many jars
did she fill?

Answers

4 cups + 2 cups = 6 cups

we can simplify 12/2 by dividing, giving us 6 cups.

(i’m not sure if you were given the amount of cups needed to fill a jar, but please comment and i’ll answer for you)

3(5z-7) - 2 (9z-11) = 4 (8z-13) - 17

Answers

Answer Z=2
The math …..
Multiple ( ) first
15z -21 -18z +22 = 32z - 52 -17
Combine like terms
-3z + 1 = 32z -69
Move like terms to isolate Z
-35z = -70 two negative make positive
35z = 70
Divide both sides by 35 to isolate Z
Z = 2
Answer: z = 2

Step-by-Step Explanation:

3(5z - 7) - 2(9z - 11) = 4(8z - 13) - 17
15z - 21 - 2(9z - 11) = 4(8z - 13) - 17
15z - 21 - 18z + 22 = 4(8z - 13) - 17
15z - 21 - 18z + 22 = 32z - 52 - 17
-3z - 21 + 22 = 32z - 52 - 17
-3z - 32z - 21 + 22 = -52 - 17
-35z - 21 + 22 = -52 - 17
-35z - 21 + 22 = -69
-35z + 22 = -69 + 21
-35z + 22 = -48
-35z = -48 - 22
-35z = -70
35z = 70
z = 70/35
=> z = 2

Hence, z = 2

The graph of y=kcos(8x)

Answers

The x coordinate of point A that is shown on the graph is 3π/16.

How to explain the graph?

From the information given, y = kcos(8x). Also, the axis of symmetry is given as kx.

Therefore, the x coordinate will be:

= π/8 + π/16

The LCM of 8 as 16 is 16.

= 2π/16 + π/16

= 3π/16

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Find the length of the arc in terms of pi

Answers

Answer:

[tex]9\pi[/tex]

Step-by-step explanation:

[tex]\text{Arc length,}~ s = r\theta\\\\~~~~~~~~~~~~~~~~~~=12 \times \left( \dfrac{135\pi}{180} \right)\\\\~~~~~~~~~~~~~~~~~~=9\pi[/tex]

Directions: Name each polygon and tell if it is regular or irregular.

Answers

Answer:

regular pentagon. 2 irregular. 3 irregular. 4 regular octagon. 5 regular nonagon. remember that regular polygon is a polygon that

15
5. At the Redbridge School, of pupils have a pet dog, & have a cat and have a
The rest have no pets.
A)What fraction of the children has no pet? Write this in its simplest form.
B)There are 250 pupils at the School. How many children have no pets?
C)At the Bluebell School, 23% have no pets. What percentage increase of pupils at
the Bluebell School have no pets compared to the Redbridge School?

Answers

A percentage is a way to describe a part of a whole. The number of people who don't have pets is 50 people.

What are Percentages?

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

Given at the Red bridge School, 1/3 of pupils have a pet dog 2/5 have cat and 1/15 have a hamster.

A.) Number of people who don't have pets = 1 - 1/3 - 2/5 - 1/15

                                                                        = (15-5-6-1)/15

                                                                        = 3/15

                                                                        = 1/5

B.) Given there are 25 people at the school. Therefore, the number of people who don't have a pet is,

Number of people who don't have pets = (1/5) × 250 = 50

C.) The percentage increase of pupils at the Bluebell School that has no pets compared to the Red bridge School is,

Percentage increase = (23%-20%)/20% × 100% = 15%

Hence, the number of people who don't have pets is 50 people.

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A circular disc has circumference 250 cm.
Calculate the radius of the disc.

Answers

[tex]\textit{circumference of a circle}\\\\ C=2\pi r ~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=250 \end{cases}\implies 250=2\pi r\implies \cfrac{250}{2\pi }=r\implies \stackrel{cm}{39.79}\approx r[/tex]

In which number does the digit 3 have a value that is ten times greater than the value of the digit 3 in the number 145,317?

Answers

A number where the digit 3 has a value ten times greater than the 3 in 145,317 can be 143,417.

How to work with place values?

In any number, the place value refers to the "place" that a digit has on a number. The first one is the units place, the second is the tens place, and so on.

As more in the left is the place value, the largest value it represents.

Particularly, in 145,317

The 3 is on the third place, so it represents the value 300.

For example, in 143,417

The 3 is more in the left than before, this time on the fourth place, this time the value of the 3 is 3,000.

Then, a number where the digit 3 has a value ten times greater than the 3 in 145,317 can be 143,417.

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If you rolled two dice, what is the probability
that you would roll a sum of 3?
second
1
first
2 3
5
4
6
1
[?]
1,1 1,2 1,3 1,4 1,5 1,6
2 2,1 2,2 2,3 2,4 2,5 2,6
3 3,1 3,2 3,3 3,4 3,5 3,6
4,1 4,2 4,3 4,4 4,5 4,6
5 5,1 5,2 5,3 5,4 5,5 5,6
6,1 6,2 6,3 6,4 6,5 6,6
6
Probability =
Desired Outcome
All Outcomes
Simplify your fraction, then enter the numerator AND DENOMINATOR.
Thank youuuu

Answers

Answer:

2 / 36 = 1/18

Step-by-step explanation:

there are 2 ways to get 3

1 then 2 or 2 then 1 , 2 out of a possible 36 outcomes

If you were charged $151 in taxes on a $3,020 purchase, you were charged Blank 1 % on the purchase.

Answers

Answer:

5 %  

Step-by-step explanation:

3020 *  x    = 151          x is the percentage in decimal form

x = 151 / 3020 = .05    which is 5 %

If a prism is placed into a basin of water (density: 32.5 lbs/ft^3 ) displaces 3.3 lbs of water, what is the volume of the water that was displaced (in cubic inches)?
Please help

Answers

The volume of water that was displaced is 0. 000019 cubic meters.

What is volume?

Volume is known to be the amount of space or capacity occupied by a three-dimensional solid shape.

It is denoted in cubic units.

How to calculate the volume

The formula for calculating volume is;

Volume = mass ÷ density

Given that mass = 3. 3 Ibs and density = 32. 5Ibs/ ft∧3

Volume = 3. 3 ÷ 32. 5 = 0. 10 Ibs

How to covert Ibs to cubic meters

Ibs = 0. 00019 m∧3 (cubic meters)

Then, 0. 10 Ibs = 0. 00019 × 0.10 ÷ 1 = 0. 000019 cubic meters.

Therefore, the volume of the water displaced is 0.000019 cubic meters.

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Suppose you have entered 97​-mile biathlon that consists of a run and a bicycle race. During your​ run, your average velocity is 8 miles per​ hour, and during your bicycle​ race, your average velocity is 27 miles per hour. You finish the race in 5 hours. What is the distance of the​ run? What is the distance of the bicycle​ race?

Answers

The distance of the run Will be 16miles and the Distance of the bicycle race will be 81 miles.

What is speed?

Speed is defined as the ratio of the time distance travelled by the body to the time taken by the body to cover the distance.

Distance = average velocity × time

Let the time and distance of the run, respectively, be t₁ and.d₁

Let those of the bicycle race be t₂ and d₂

From the question,

t₁ + t₂ = 5

d₁ = 8t₁

d₂ = 27t₂

Total distance = 97

8t₁ + 27t₂ = 97

8 ( 5 - t₂ ) + 27t₂ = 97

40 - 8t₂ + 27t₂ = 97

40 + 19 t₂ = 97

19t₂ = 57

t₂ = 3 hours

t₁ + t ₂ = 5

t₁ = 5 - t₂

t₁ = 5 - 3 = 2 hours

Now the distances are calculated as:-

d₁ = 8t₁ = 8 x 2 = 16 miles

d₂ = 27t₂ = 27 x 3 = 81 miles

Therefore the distance of the run Will be 16miles and the Distance of the bicycle race will be 81 miles.

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whate is answer of 36-[100÷5{60-32(8÷4-1)}]​

Answers

Answer:

[tex]67\frac{23}{28}[/tex]

Step-by-step explanation:

[tex]36-\left[100\div \:560-32\left(8\div \:4-1\right)\right]\\\\100\div \:560-32\left(8\div \:4-1\right)\\\\=100\div \:560-32\cdot \:1\\\\=\frac{100}{560}-32\cdot \:1\\\\=\frac{100}{560}-32\\\\=-\frac{891}{28}\\\\\\=36-\left(-\frac{891}{28}\right)\\\\36-\left(-\frac{891}{28}\right)\\\\=36+\frac{891}{28}\\\\\frac{36\cdot \:28}{28}+\frac{891}{28}\\\\\frac{36\cdot \:28+891}{28}\\\\=\frac{1899}{28}\\\\\\\frac{1899}{28}(1899\div28)=67\frac{23}{28}[/tex]

A baker bakes 48 dozen doughnuts each morning. She sells 18 dozen
in her store and fills orders with the rest. Write a fraction to show the
portion of doughnuts the baker sells in her store. Be sure to simplify.

Answers

Answer:

30/48

Step-by-step explanation:

Answer: 3/8

She sells 18 dozen of the 48 dozen in her store

18/48 simplified to 3/8

Graph the function and identify the domain and range.
y=-3x^2

Answers

Answer:

Domain:

X is all the real numbers

or

[tex] - \infty < x < \infty [/tex]

Range:

[tex]y \leqslant 0[/tex]

or

[tex] - \infty < y \leqslant 0[/tex]

Step-by-step explanation:

This is the graph.

A manager finds a moderate negative correlation between the number of computer sales and the number of microwave sales in his store.

Which statement is true?




The correlation is most likely a coincidence.

The correlation is most likely due to a lurking variable.

The correlation is most likely a causation.

Answers

The true statement is the correlation is most likely due to a lurking variable.

What is negative correlation?

Correlation is a statistical measure used to measure the relationship that exists between two variables. Negative correlation is when there is an inverse relationship between the two variables. If one variable increases, the other variable decreases.

Assume that the store is located near a school where the students live on an allowance. So, students do not have time to buy both computers and microwaves. When students buy computers they do not have enough money to buy microwaves. This explains the negative correlation.

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The mean temperature for the first 7 days in January was 4 °C. The temperature on the 8th day was -1 °C. What is the mean temperature for the first 8 days in January?

Answers

Answer:

3.375 °C

Step-by-step explanation:

Mean temperature for first 7 days = 4 °C

⇒ Total temperature over first 7 days = 4 °C × 7 = 28 °C

Temperature on 8th day = -1 °C

[tex]\sf mean=\dfrac{\textsf{sum of all the numbers}}{\textsf{amount of numbers}}[/tex]

Therefore, mean temperature for first 8 days:

= [28 - 1] ÷ 8

= 27 ÷ 8

= 3.375 °C

graph linear equation 6x - 2y = 12

Answers

The graph of the linear equation 6x - 2y = 12 would be option C .

What is a linear equation?

Linear equation is equation in which each term has at max one degree. Linear equation in variable x and y can be written in the form y = mx + c

Linear equation with two variables, when graphed on the cartesian plane with axes of those variables, give a straight line.

Subtract both sides from 6x, leaving you with the equation:

-2y = -6x + 12

Now, you divide all of the sides by -2,

y = 3x - 6

The graph of the linear equation 6x - 2y = 12 would be option C .

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A chef randomly pulls cupcakes from a box containing 6 cupcakes of the same shape and size. There is 1 cupcake with vanilla frosting, 3 cupcakes with chocolate frosting, and 2 cupcakes with pink frosting. He draws 1 cupcake and then draws out another cupcake without replacing the first one. Find the probability of picking 1 cupcake with chocolate frosting followed by another cupcake with chocolate frosting, and show the equation used, and solve it.

Answers

Answer:

To pull our the first chocolate, it would be a probability of 1/2.

To pull the second chocolate out, it would be a probability of 2/5.

Hope that helps, you just use ratios, the first cupcake needs to be chocolate, and there are 3 chocolate cupcakes out of the 6. Make that into a fraction 3/6, and simplify into 1/2.

The same goes for the second cupcake.

Why is y = 63?? Isn’t (x-5)+51+(y-6)=180??

Answers

Answer:

coz it is

Step-by-step explanation:

the angle is 57° , so y is 63 as 63-6 = 57

If the property tax on a $250,000 home is $1200, what is the tax on a $120,000 home?

Answers

Answer:

well i mean it all depends were you live at

Step-by-step explanation:

in new york it will be $36,198. but in California it would be about $31,682 and  Your average tax rate is 16.51% and your marginal tax rate is 24%.  

Fahari kicks a ball on the ground into the air. One
second after being kicked, the ball reaches its
maximum height of 16 feet above the ground, and
2 seconds after being kicked, the ball is back on the
ground. A quadratic function models the height h(t) ,
in feet, of the ball t seconds after Fahari kicks it.
Which equation defines this relationship?

Answers

The equation that defines the relationship between the height and the time and models the position of the ball in time is the quadratic function y = - 8 · t² + 24 · t.

How to derive a quadratic function for the height of a ball

Quadratic functions are polynomials of grade 2 of the form y = a · t² + b · t + c, where t and y are the time and the height of the ball, in seconds and feet, respectively. To determine the value of the three coefficients we need to know three different points of the form (t, y).

If we know that (t₁, y₁) = (0 s, 0 ft), (t₂, y₂) = (1 s, 16 ft) and (t₃, y₃) = (3 s, 0 ft), then the quadratic function is:

a · 0² + b · 0 + c = 0     (1)

a · 1² + b · 1 + c = 16      (2)

a · 3² + b · 3 + c = 0      (3)

The solution to this system is a = - 8, b = 24, c = 0.

The equation that defines the relationship between the height and the time and models the position of the ball in time is the quadratic function y = - 8 · t² + 24 · t.

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draw a point that belongs to the solution region of this system of inequalities. y>1.5^x + 4 y< 2/3x + 6

Answers

The point (1,6) belongs to the solution region of the system of inequalities.

How to determine the point in the solution region?

The system of inequalities is given as:

y>1.5^x + 4

y< 2/3x + 6

Next, we plot both inequalities on a graph (see attachment)

From the attached graph, the point (1,6) is on the solution region of the inequalities

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