Easy 6th grade math

Easy 6th Grade Math

Answers

Answer 1

Answer:

18 in

Step-by-step explanation:

Answer 2

Answer:

18 in

Step-by-step explanation:

1 ft = 12 in

Hioe this helps. Pls give brainliest.


Related Questions

During a​ sale, a dress is marked down from a selling price of ​$68 to a sale price of ​$44.20. What is the percent​ markdown?

Answers

Answer:

35%

Step-by-step explanation:

Which pair of angles are vertical angles?
/_ZRQW and /_ZWQV
/_ZRQT and /_ZTQV
/_ ZRQW and /_ZTQU
/_ZRQS and /_ZSQU

Answers

Answer:

(c) is correct.

Step-by-step explanation:

When two lines cross each other, the angles opposite to each other are called vertically opposite angles. They are always equal.

In this given figure,

Line TW and RU cross each other at Q, it means

[tex]\angle RQW=\angle TQU[/tex] (vertically opposite angles)

Hence, the correct option is (c).

A air traffic control system is tracking two fighter jets, both of which are flying at the same altitude and their directed distance is measured in kilometers. If they have coordinates of (4, 150°) and (2, 195°), find the distance between the two jets.

Answers

Answer:

The distance between the two jets is approximately 2.947 kilometers.

Step-by-step explanation:

From the statement we know the location of each jet in polar coordinates, which are defined by the following notation:

[tex]\vec r = (r, \theta)[/tex] (1)

Where:

[tex]r[/tex] - Distance of the jet from the origin, measured in kilometers.

[tex]\theta[/tex] - Angle of the jet with respect to the east direction, measured in sexagesimal degrees.

To transform polar coordinates into rectangular coordinates, we use the following expressions:

[tex]x = r\cdot \cos \theta[/tex] (2)

[tex]y = r\cdot \sin \theta[/tex] (3)

And lastly, we determine the distance between the two jets ([tex]d[/tex]), measured in kilometers, by the Pythagorean Theorem:

[tex]d = \sqrt{(r_{2}\cdot \cos \theta_{2}-r_{1}\cdot \cos \theta_{1})^{2}+(r_{2}\cdot \sin \theta_{2}-r_{1}\cdot \sin \theta_{1})^{2}}[/tex] (4)

If we know that [tex]r_{2} = 4\,km[/tex], [tex]\theta_{2} = 150^{\circ}[/tex], [tex]r_{1} = 2\,km[/tex] and [tex]\theta_{1} = 195^{\circ}[/tex], the distance between the two jets is:

[tex]d = \sqrt{[(4\,km)\cdot \cos 150^{\circ} -(2\,km)\cdot \cos 195^{\circ}]^{2}+[(4\,km)\cdot \sin 150^{\circ} -(2\,km)\cdot \sin 195^{\circ}]^{2}}[/tex]

[tex]d \approx 2.947\,km[/tex]

The distance between the two jets is approximately 2.947 kilometers.

A statistical hypothesis testing procedure is conducted over 5000 patients about some health intervention. The p-value is 0.02. Which is true? Group of answer choices If the null hypothesis was true, the probability of observing a difference at least as large as the observed diference would be 2% the probability of observing a difference at least as large as the observed diference is 2%

Answers

Answer:

The answer is "The first choice"

Step-by-step explanation:

In the given question the first choice is correct because When the zero assumption was valid, it would have been at least as bad to also be 2% to demonstrate a discrepancy as observed difference.

does anyone know how to find the values of Y in a function table?

Answers

Answer:

1 - 5

2 - 7

Step-by-step explanation:

Plug the x values into the equation.

I can't see to do all of them, so I'll just do the first two.

1. y=2(1)+3

= 2 + 3 = 5

2. 2(2) + 3

= 4 + 3= 7


In an exponential function, $(x)= a(b)", it is known that (5) = 15 and S(8) = 170. Which of the
following is closest to the value of b?
(1) 1.87
(3) 3.19
(2) 2.25
(4) 3.72

Answers

Answer:

b = 2.25

Step-by-step explanation:

Here, we want to get the value of b

from the question;

s(x) = ab^n

Firstly;

15 = a•b^5

Secondly

170 = a•b^8

Divide second by first

170/15 = ab^8/ab^5

11.33 = b^3

b is the cube root of 11.33

b = 2.25

Simplify the expression 21b4 − 3b by combining like terms.
1. 18b5
2. 18b4
3. 21b4 − 3b
4. 18b3

Answers

I think the answer is number 3

write the following number in standard form decimal

Answers

Answer:

0.0001825

Step-by-step explanation:

First you find out what 10 to the -4th power is after that you multiply the decimal shown (1.825) you start moving the number behind the decimal and you have your answer 0.0001825

Answer:

0.0001825

Step-by-step explanation:

Nalini thinks of an number. She doubles it and adds 5. Her answer is sixteen more than the number she thought. What number did Nalini think of? a) 10 b) 11 c)12 d) 6

Answers

2x + 5 = x + 16
x = 11
She thought of 11

Answer:

B. 11

Step-by-step explanation:

We can try it for each

10*2+5=25

25-10=15❌

11*2+5=27

27-11=16 ✔

12*2+5=29

29-12=17❌

6*2+5=17

16-6=11❌

So it's B

Solve the equation.

4(x – 6) = 16
A. 8
B. 10
C. –10
D. 12

Answers

Answer:

a.

Step-by-step explanation:

its 8 hope this helps!

Answer:

B (x=10)

Step-by-step explanation:

A) Distribute 4 to x and -6 (basically multiply 4 to x, then 4 to -6)

B) (Resulting equation): 4x-24=16

C) Add +24 to each side of the equation

D) (Resulting equation): 4x=40

E) Divide each side by 4 in order to isolate the x variable

F) (Resulting equation): x=10

Paper towels come in two packages. The first package has a single roll of paper towels that has
150 sheets on the roll and costs $1.80. The second package contains three rolls, each of which
has 80 sheets on a roll and costs $2.50. Determine the cost per sheet for each and which is the
better buy

Answers

Answer:

660

Step-by-step explanation:

A restaurant customer left ​$1.30 as a tip. The tax was 7% and the tip was 10​% of the after tax cost. Which information is not needed to compute the bill after tax and​ tip? What was the total​ bill?

Answers

Answer:

Step-by-step explanation:

Given that:

Tip left = $1.30

Tax = 7%

Tip = 10% of after tax cost

The tax percentage is not needed in calculating the bill after tax and tip

Hence,

Let after tax cost = x

10% of x = 1.30

0.1x = 1.30

x = $13

After tax cost = $13

Hence, the Total bill after tax = $13

−2/3(15x + 3) = −3x − 9
what is x?

Answers

Answer:

X=1

Step-by-step explanation:

-10x-2=-3x-9

-10x-2+2=-3x-9+2

-10x=-3x-7

-10x+3x=-3x-7+3x

-7x=-7

Then divide both sides by -7

x=1

What is the slope of this line?

Enter your answer as a whole or a fraction in simplest form.

Answers

Answer:

Step-by-step explanation:

(-2,0) (0, -2) = (-2 - 0)/(0 + 2) = -2/2= -1

y - 0 = -1(x + 2)

y = -x - 2

slope is -1

Plz help!! (I just copied and pasted it)
The video store rents DVDs for $3.00 each and video games for $4.50 each. Write an equation in standard form for the number of DVDs d and video games g that a customer could rent with $18. Graph the equation and give me three combinations of DVD’S and video games.

Answers

Step-by-step explanation:

3d + 4.5g <= 18.

3 possible combinations are:

0 DVD and 4 Video games,

1 DVD and 3 Video games,

2 DVDs and 2 Video games.

Answer:

3 possible combinations are:

0 DVD and 4 Video games

1 DVD and 3 Video games

2 DVDs and 2 Video games

Step-by-step explanation:

As an estimation we are told 5 miles is 8 km.
Convert 52.5 miles to km.

Answers

Answer:

approximately 84.5

Step-by-step explanation:

the public library has 1,845 new books and 4,527 old books. Micah puts the same number of books on 9 shelves. How many books did he put on each shelf

Answers

Answer:

708 books on each shelf!!?!!

Step-by-step explanation:

1,845 + 4,527 = 6372

6,372 ÷ 9 = 708

If I am right, please give me brainliest!!!!

- Hermionia

HELP PLEASE MATH WILL GIVE BRAINLIST​

Answers

Answer:

y=1/3x

Step-by-step explanation:

the third one

Greg wants to buy a new baseball bat. Store A has the bat originally priced at $245 and is having a 25% off sale. Store B's bat has an original price of $166 but is marked up 20%. Which store has the better price for the baseball bat?

Answers

Answer: Store A with price at $183.75 has the better price for the baseball bat

Step-by-step explanation:

Step 1

 New price of baseball bat at store A= Original price - 25% off sale

$245- (25/ 100 x 245)

$245-$61.25

$183.75

New price of baseball bat at store B= Original price +20% mark up

=$166 + (20 /100 x 166)

=$166 + 33.2

$199.2

Step 2

Having that the price of bat at store A is =$183.75 and the price of bat at store B is =$199.2, The better price for the baseball bat is sold at Store A which is a cheaper option

Answer:

It is cheaper to buy the bat in Store A.

Step-by-step explanation:

Giving the following information:

Store A:

Selling price= $245

Discount= 25%

Store B:

Selling price= $166

Mark-up= 20%

We need to determine which store is cheaper to buy the bat:

Store A:

Discounted selling price= 245*0.75= $183.75

Store B:

Mark-up selling price= 166*1.2= $199.2

It is cheaper to buy the bat in Store A.

The
says that the i
of the interior angles in a triangle
180 degrees.
The value of "x" isi
The measure of Angle A is :
degrees.
The measure of Angle B is :
degrees.

Answers

the triangle sum theorem says that the sum of the interior angles in a triangle equal 180 degrees. The value of x is 65. The measure of angle a is 65 degrees .the measure of angle b is 75 degrees.

1.) Jahmal had a $10,000 loan. He still owes $5,275. He had to pay 15% interest up front on to get
the loan. How much total money has Jahmal already paid on the loan?
A.) $4,725
B.) $6,225
C.) $5,550
D.) $709
I need help and please explain what you did. Thank you!

Answers

Answer:

C or A

Step-by-step explanation:

factorize 4x^2 - 169y^2

Answers

Step-by-step explanation:

4x² - 169y² can be factorised as (2x + 13y)(2x - 13y).

The solution set of |4x - 7| = 9 is
{4}
{-1/2, 4}
{}

Answers

Answer:

{4}

Step-by-step explanation:

first move 7 to RHS in addition

then 4 in RHS in division

Answer:

{-1/2,4}

Step-by-step explanation:

What is the mean absolute deviation of the following set of data?
10
20
12
4
18
8
14
18

Answers

Answer:

The mean absolute deviation of the following set of data is 4.5

Step-by-step explanation:

We need to find the mean absolute deviation of the following set of data.

10,20,12,4,18,8,14,18

For finding mean absolute deviation, first we need to find the mean of the given data set.

The formula used to calculate mean is: [tex]Mean=\frac{Sum\:of\:all\:data\:points}{Number\:of\:data\:points}[/tex]

Sum of all data points: 10+20+12+4+18+8+14+18 = 104

Number of data points = 8

So, mean is:

[tex]Mean=\frac{Sum\:of\:all\:data\:points}{Number\:of\:data\:points}\\Mean=\frac{104}{8}\\Mean=13[/tex]

Now, we will subtract 13 from the given data points:

10  - 13 = -3

20  - 13 = 7

12  - 13 = -1

4  - 13 = -9

18  -13 = 5

8  - 13 = -5

14  - 13 = 1

18 - 13 = 5

We will take absolute values i.e |-a|=a

So, now the numbers will be:

3,7,1,9,5,5,1,5

We will now find absolute mean deviation by finding mean of newly calculate values

Sum of all data points = 3+7+1+9+5+5+1+5

Number of data points = 8

[tex]Mean=\frac{Sum\:of\:all\:data\:points}{Number\:of\:data\:points}\\Mean=\frac{36}{8}\\Mean=4.5[/tex]

So, the mean absolute deviation of the following set of data is 4.5

what is the numbers in PI {pi} im confused is it 3.4578949 or is it 3.5478749?

Answers

Answer:

just use the pie sign in your calculator

pi = 3.1415926535898

This is something you either memorize, have on a flashcard, or just let your calculator handle the details. The digits of pi are effectively random and do not repeat with a known pattern.

one factor of x^3-x^2-x+1 is x-1 the other factor is

Answers

Here you go!!! I hope this helps!!! Have a merry Christmas!!

i need help with #11 and #12

Answers

9514 1404 393

Answer:

  11. y = -1/4x² +1

  12. y = 1/6(x -3)² +5/2

Step-by-step explanation:

Since 9-12 are all the same, we can solve the problem generically and plug in the given numbers. Let the focus be (a, b) and the directrix be y=d.

The vertex is halfway between the focus and directrix, so its coordinates will be (a, (b+d)/2). The distance from focus to directrix is b-d. Given these conditions, the equation of the parabola is ...

  y = 1/(2(b-d))(x -a)² +(b+d)/2

__

11. For (a, b) = (0, 0) and d = 2, the equation is ...

  y = 1/(2(0-2))(x -0)² +(0+2)/2

  y = -1/4x² +1

__

12. For (a, b) = (3, 4) and d = 1, the equation is ...

  y = 1/(2(4-1))(x -3)² +(4+1)/2

  y = 1/6(x -3)² +5/2

__

The attachments show the graphs of these. You can verify the graph by noticing ...

  a) the vertex is halfway between the focus and directrix

  b) a horizontal line from the focus to the curve is the same length as a vertical line from the directrix to the same point on the curve



A piece of paper has a
rectangle ABCD in which
AB - 10cm and BC = 22 cm,
it was folded to form a
right circular cylinder
such that AB is Cincident
to DC Find the volume of
the resulted cylinder​

Answers

Answer:

The volume of the resulting cylinder is 385 cm³

Step-by-step explanation:

The formula of the rule of a cylinder is V = π r² h, where

r is the radius of its baseh is the height of it

When a rectangular paper folded to form a cylinder, then one of its dimension will be the circumference of the base and the other dimension will be the height of the resulted cylinder

∵ ABCD is a rectangle

∵ It is folded where AB coincides with DC

AB is the height of the resulted cylinder

BC is the circumference of the base of the resulted cylinder

∵ AB = 10 cm

h = 10 cm

∵ BC = 22 cm

∴ The circumfrence  of the base = 22 cm

∵ The circumference of a circle = 2 π r

→ Equate the rule by 22 to find r

2 π r = 22

∵ π = [tex]\frac{22}{7}[/tex]

∴ 2 × [tex]\frac{22}{7}[/tex] × r = 22

∴ [tex]\frac{44}{7}[/tex] r = 22

→ Divide both sides by [tex]\frac{44}{7}[/tex]

r = 3.5 cm

→ Use the formula of the volume above to find the volume of the cylinder

∵ V = [tex]\frac{22}{7}[/tex] × (3.5)² × (10)

V = 385 cm³

The volume of the resulted cylinder is 385 cm³

Del contenido total de una lata de verduras de 220g,la masa drenada es de 110g. ¡Que fraccion representa la masa drenada del contenido total? ¿Que fraccion decimal corresponde a un 1/4? ¿Que tanto por ciento se representa con 1/4 o .25? ¿Que tanto por ciento del contenido total representa la masa drenada?

Answers

Explicación paso a paso:

Pregunta 1

El contenido total de verduras = 220 g

La masa drenada es de 110 g.

¿Qué fracción representa la masa drenada del contenido total?

= 110/220

= 22/11

La fracción es 11/22

Pregunta 2

¿Qué fracción decimal corresponde a 1/4?

la fracción decimal que corresponde a 1/4 es 0,25

Pregunta 3

¿Cuánto porcentaje está representado por 1/4 o 0,25?

= 0,25 * 100

= 25%

Pregunta 4

¿Cuánto porcentaje del contenido total representa la masa drenada?

= 110/220 * 100

= 11/22 * 100

= 0,5 * 100

= 50%

50x3 – 20x + 8x ─ 21x3 – 3x + 15x ─29 x3

Answers

Answer:

0

General Formulas and Concepts:

Algebra I

Combining Like Terms

Step-by-step explanation:

Step 1: Define

50x³ -20x + 8x - 21x³ - 3x + 15x - 29x³

Step 2: Simplify

Combine like terms (x³):                    -20x + 8x - 3x + 15xCombine like terms (x):                     0

Answer:

[tex]\boxed {\boxed {\sf 0}}[/tex]

Step-by-step explanation:

We are given the expression:

[tex]50x^3-20x+8x-21x^3-3x+15x-29x^3[/tex]

We want to simplify it, so we must combine the like terms. For this equation, the like terms are terms with x³ or x.

First, combine all the x³ terms.

[tex](50x^3-21x^3-29x^3)-20x+8x-3x+15x[/tex]

[tex](0x^3)-20x+8x-3x+15x[/tex]

[tex]-20x+8x-3x+15x[/tex]

Next, combine all the remaining terms, because they are all terms with an x.

[tex]-12x-3x+15x[/tex]

[tex]-15x+15x=0[/tex]

The expression is equal to 0

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