**Answer:**

no

**Step-by-step explanation:**

**Answer:**

D

**Step-by-step explanation:**

Sea level is always represented by the number 0 unless you are reffering to how to get to see level in which case you'd have to fly down -1200 ft.

If the length of a rectangular television screen is 20 inches and its height is 15 inches, what is the length of its

diagonal

**Answer:**

25 inches

**Step-by-step explanation:**

Using the Pythagorean theorem;

20^2 + 15^2 = C^2

C= 25

**Answer:**

its 25

**Step-by-step explanation:**

there right

Complete the equation of the line through ( 2 , 1 ) (2,1)left parenthesis, 2, comma, 1, right parenthesis and ( 5 8 ) (5,−8)left parenthesis, 5, comma, minus, 8, right parenthesis. Use exact numbers.

The** equation of the line** through ( 2 , 1 ) and (5, -8) is **y = -3x + 7**

The **standard equation** of a line in **slope-intercept **form is expressed as

y = mx+b

m is the **slope **of the line

b is the **y-intercept**

Given the **coordinate points** (2, 1) and (5, 8)

Get the **slope **of the line:

[tex]m=\frac{-8-1}{5-2} \\m=\frac{-9}{3}\\m=-3[/tex]

Get the **y-intercept**

Recall that y = mx + b

1 = -3(2) + b

1 = -6 + b

b = 1 + 6

**b = 7**

Get the required equation of the line.

y = -3x + 7

Hence the** equation of the line** through ( 2 , 1 ) and (5, -8) is **y = -3x + 7**

Learn more **equation of lines** here:** https://brainly.com/question/17003809**

The circumference of a circle with a radius of 2 meters is approximate by the perimeter of an inscribed polygon with 10 sides. Which expression gives the described approximation of the circumference?

Answer: The correct answer is A

Step-by-step explanation:

A 16-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 8 feet from the base of the building. How high up the wall does the ladder reach?

**Answer:**

it reaches 24 ft

**Step-by-step explanation:**

16 + 8 ft = 24 ft

you would add the 16 to the 8 feet from the base to get 24

Can anyone help with this math problem ?

It is 255/866 convert to decimal

Two student fill the fish tank with.The fish hold 4gallon of water the-students each has a measuring cup.How many times do the student need to fill the one cup measured To get 4gallon?

64 cups

there are 16 cups in a gallon so 16 times 4

there are 16 cups in a gallon so 16 times 4

What is the solution to

2x-y=1

Зу + 3 = 6x

Using system of equations

**Answer:**

infinitely many solutions

**Step-by-step explanation:**

Reduce the second equation by dividing all three terms by 3: y + 1 = 2x. Then compare this result to the first equation 2x - y = 1. Noe that these two equations are identical. Thus, the two lines coincide. There are "infinitely many solutions."

1/4 (8x - 20) - 16 = 10x + 51

**Answer:**

The answer is -9 (If your looking for x)

**Step-by-step explanation: I would suggest using the app Photomap for this kind of stuff. You take a picture of an equation and it gives you a step by step explanation and the answer. Glad I could help!**

??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

**Answer:**

39 homes

**Step-by-step explanation:**

The fraction of homes is 13/20

We are checking 60 homes

13/20 * 60 = 39

39 homes

Johann borrows money from his parents to purchase a bike. He makes weekly payments to his parents to repay the money

borrowed. The total amount of money repaid at the end of week n can be represented using the recursive formula

a,- 10+ an-1. At the end of the fourth week, Johann had repaid his parents a total of $55. What is the total amount Johann

had repaid his parents at the end of the first week?

**Answer:**

C

**Step-by-step explanation:**

Edge 2020

**Answer:**

C

**Step-by-step explanation:**

Find the area of the following parallelogram

**Answer:**

3.375 cm²

**Step-by-step explanation:**

The area (A) of a parallelogram is calculated as

A = bh ( b is the base and h the perpendicular height )

Here b = 2.25 and h = 1.5, thus

A = 2.25 × 1.5 = 3.375 cm²

**Answer:**

**Step-by-step explanation:**

A = base * height

= 2.25 * 1.5 = 3.38 cm^2 (ANS)

Which of the following measures of variability can be used to compare two data sets?

**Answer:**

I think they are the range, the interquartile range. Tell me if if wrong!

**Step-by-step explanation:**

2 Points

What is the surface area of the cube below?

A. 96 units2

B. 64 units2

C. 80 units2

D. 120 units2

**Answer:**

A

**Step-by-step explanation:**

The cube has 6 surfaces with side lengths 4 by 4. Each of the faces has area 4*4=16 units, and multiplying this by 6 yields 96 units, or answer choice A. Hope this helps!

The** surface area** of the given **cube** is 96 square units, option A is correct.

a three dimensional shape can be defined as a solid figure or an object or shape that has three **dimensions**—length, width, and height.

The formula to find the surface area of cube is 6s²

Where s is the side **length** of cube

s=4 from the given cube

Plug in the **value** of s in surface area formula

**surface** area = 6(4)²

=6×16

=96 square units

Hence, the** surface area** of the given cube is 96 square units, option A is correct.

To learn more on **Three dimensional figure** click:

https://brainly.com/question/2400003

#SPJ5

A police officer recorded the speeds of 100 cars in a 50-mile-per-hour zone. The results are

in the box plot shown. How many cars were going between 40 and 48 miles per hour?

**Answer:**

25 cars

**Step-by-step explanation:**

The **number** of cars were going between 40 and 48 miles per hour is 25. Therefore, option C is the correct answer.

A **box** and whisker **plot**—also called a box plot—displays the five-number summary of a set of data. The five-number summary is the minimum, first quartile, median, third quartile, and maximum. In a box plot, we draw a box from the first quartile to the third quartile. A vertical line goes through the box at the **median**.

From the given box plot, we have

Minimum value = 37

Maximum value = 69

First quartile = 40

Third quartile = 55

Mean = 47

The distance between Q1 and the **median** is 25%.

The number of cars between 40 and 48 miles per hour is therefore 25% of the total.

= 100 × 25%

= 25 cars

Therefore, option C is the correct answer.

Learn more about the **box plot **here:

https://brainly.com/question/1523909.

#SPJ7

Let a be a rational number and b be an irrational number. Is a + b rational or irrational?

**Answer:**

irrational

**Step-by-step explanation:**

because an irrational number goes on forever so no matter what number is added to it it will always be irrational.

**Answer:**

Rational

**Step-by-step explanation:**

The table below shows the numbers of students at 4 middle schools.

Middle school

Number of students

DuBois

Lakeside

Polk

D D

Woodbridge

Each n equals 100 students.

(a) How many students are at Woodbridge Middle School?

(b) How many more students are at Polk Middle School than at DuBois Middle School?

**Answer:**

(a) 300

(b)100

**Step-by-step explanation:**

(a) each figure is 100 student and there are 3 figures at Woodbridge so it's 3*100=300

(b) DuBois=3*100=300

Polk=4*100=400

400-300=100

mark has a friend named Chole how different are marks and chole DNA ?

**Answer:**

xx vrs. xy chromosomes in their genetics

Do not do Number 3 or 2!Please help! I need them in complete sentences! I will award Brainliest and answer any questions you have just please help.

**Answer:**

2) Only solar because u are near the moon lool

3) i think the same

1-4)There is, however, one side of the moon that never faces Earth head-on. The moon completes a full, 360-degree orbit around our planet every 27.32 days . That's about as long as it takes the moon to finish a single rotation on its own axis. Taken together, those two factors explain why only one side of the moon is ever oriented toward us and about 41 percent of the lunar surface is never visible to Earth-bound stargazer.

Eevery lunar day lasts for 29.5 Earth day

Maris put trim around a mirror that is the shape of a square. Each side is 24 inches long. Maria has 1 foot of trim left. What was the length of the trim when she started? Write your answer in yards

Answer:

16.028 yards

Step-by-step explanation:

1 inch=0.0833333 foot

24 inches=0.0833333×24

=1.9999992 foot

The mirror is square shaped and each side is 24 inches

If each 24 inches=1.9999992 foot

Then,

4 sides of 24 inches=1.9999992×24

=47.9999808 foot

Maria has 1 foot of trim left

Total Length of trim when she started=47.9999808+0.0833333

=48.0833141 foot

=16.02777136667 yards

Approximately,

16.028 yards

How many solutions does this equation have –3(4x – 16) = 12(24x + 60)

**Answer:**

This equation has one solution, and it's at (-2.24,0)

**Step-by-step explanation:**

When graphed, it results in a vertical line that crosses the x-axis at -2.24. Hope this helps =)

Jasmine and her brother Nat are saving to buy a digital camera that costs $135. Jasmine earns $15 per week for babysitting and spends $5 of it. Nat earns $18 per week for walking dogs and spends $7 of it. Which expression can be used to find how many weeks it will take to save for the digital camera?

Answer:

7 weeks

**Step-by-step explanation:**

Jasmine=$10

Nat=$11

10+11=$22 each week

135/22=6.14

at least 7 weeks

what is the volume of 3cm and 7cm

**Answer:**

21

**Step-by-step explanation:**

how do i find the volume of a cone

for example:

**You do 3.14 times radius squared**

Aka 3.14 times 5.5 and then square that answer

Can you please help with think im pointing on please is so hard i will give you a Brainiest

**Answer:**

40

**Step-by-step explanation:**

You need to take 30%of 40 to figure it out.

Hope this helps.

Consider the quadratic function:

f(x) = x2 – 8x – 9

Solved in quadratic function

The answer :

X=(9,-1)

**Answer:(4,-25)**

**Step-by-step explanation:**

1).He gastado 5/8 de mi dinero. Si en lugar de gastar los 5/8 hubiera gastado los 2/5 de mi dinero, tendria ahora 72 soles mas de lo que tengo¿cuanto NO gaste? 2). Si al año que cumpli 10 años le sumamos el año que cumpli 20 , y a este resultado le restas la suma del año en que naci con mi edad actual , obtendremos el año actual ¿cuanto resultara sumar mi edad con el año en que cumplire los 30 años y restarle el año en que cumplire los 40 años? AYUDA CON PROCEDIMIENTO PARA ESTOS DOS EJERCICIOS POR FAVOR

**Answer:**

1. The amount that was not spent is: 1080 soles

2. The answer is 5.

**Step-by-step explanation:**

Question 1. There are two situations:

If you spent 5/8 of the money then notice, that u did not spend 3/8.

If you spend 2/5 of the money, then you would have 72 more.

So think, this equation:

3/8x + 72 = 2/5x

2/5 of the money is the value for what you did not spend plus 72, the amount you would have, where x is the answer for the total of money.

72 = 2/5x - 3/8x

72 = 1/40x

x = 2880 soles

As you did not spend 3/8 of 2880, the answer is 1080 soles

Notice that if u spent 2/5 of 2880, you would have 1152 soles, so, the 1080 + 72, as the problem said.

Question 2.

We think letters for this excersise.

N = My born year

2020 (this year) - N = E (my age, now)

So N + 10 = when I get 10 years old

N + 20 = when I get 20 years old

N + 30 = when I get 30 years old

N + 40 = when I get 40 years old

The problem says:

(N+10) + (N+20) - (N+E) = 2020

((N+30)+E) - (N-40) = X

So if 2020 - N = E, then notice that 2020 - E = N. Let's replace this in the equation form:

((2020-E)+10) + ((2020-E)+20) - ((2020-E)+E) = 2020

No minus in the first two terms, so we can break the ( )

2020-E+10 + 2020-E+20 - ((2020-E)+E) = 2020

We apply the distributive property for the second term

2020-E+10 + 2020-E+20 - 2020+E-E = 2020

We can cancel two E, and the 2020, so the new form will be:

2020 - 2E + 30 = 2020

We can also cancel the 2020, so if we reorder the equation, we have:

-2E = -30

E = 15 That's my age, so my born's year is 2020 - 15 = 2005 (N)

Look:

(2005 + 10) + (2005+20) - (2005+15) = 2020

So now, the last part

((2005+30)+15) - (2005+40) = 5

tan(-20°) = _____. -tan 20° tan 20° tan (-160°) -tan 160°

Answer:

-tan 20

Step-by-step explanation:

They have the same answer when typed in a calculator

Mr. Tuyen uses 3 4 of a tank of gas each week to drive to and from his job. How many tanks of gas does Mr. Tuyen use in 3 weeks? Enter your answer as a fraction and as a mixed number.

**Answer:**

[tex]\frac{9}{4}[/tex] or [tex]2\frac{1}{4}[/tex]

**Step-by-step explanation:**

If Mr. Tuyen used 3/4 of a tank in a week, then in three weeks, he would use that same amount times three.

So: [tex]\frac{3}{4}[/tex] x 3 = [tex]\frac{9}{4}[/tex]

Hope this helps :)

Out of 5 brands of chocolates in a shop, a boy has to purchase the brand which is most liked by children. What measure of central tendency would be most appropriate if the data is provided to him?

Answer: Mode

Step-by-step explanation:

There are three main measures of central tendency: the mode, the median and the mean.

Since the boy has to purchase the brand which is most liked by children, he is using mode.

The mode is the most commonly occurring value in a distribution. That is, the value that occurs most frequently in a set of observations

Find the volume of a right circular cone that has a height of 9.6m and a base with a diameter of 2.9m. Round your answer to the nearest tenth of a cubic meter.

**Answer:**

[tex] r = \frac{D}{2}= \frac{2.9m}{2}= 1.45 m[/tex]

If we convert the height to meters like this:

[tex] h = 9.6 cm *\frac{1m}{100 cm}= 0.096m[/tex]

And we want to find the volume of the cone and is given by:

[tex] V = \pi r^2 h[/tex]

And replacing we got:

[tex] V = \pi (1.45m)^2 (0.096m) =0.634 m^3 \approx 0.6 m^3[/tex]

**Step-by-step explanation:**

For this case we have a right circular cone with a height of 9.6cm and a base with a diameter of 2.9m. We can find the radius like this:

[tex] r = \frac{D}{2}= \frac{2.9m}{2}= 1.45 m[/tex]

If we convert the height to meters like this:

[tex] h = 9.6 cm *\frac{1m}{100 cm}= 0.096m[/tex]

And we want to find the volume of the cone and is given by:

[tex] V = \pi r^2 h[/tex]

And replacing we got:

[tex] V = \pi (1.45m)^2 (0.096m) =0.634 m^3 \approx 0.6 m^3[/tex]

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