How is place value used to read decimals

Answers

Answer 1

Place Vlaue For Decimals..... These terms are used from left to right, starting with the first numeral after the decimal point. For example, the number 0.1234 has a "1" in the tenths place, a "2" in the hundredths place, a "3" in the thousandths place, and a "4" in the ten thousandths place so on.

Related Questions

A jet travels 500 miles in 2 hours. At this rate, how far could the jet fly in 8 hours? What is the rate of speed of the jet? PLEASEEE HELP

Answers

The jet could fly 2,000 miles in 8 hours and the rate of speed is 250miles per hour.

If cot= 2/3 what is the value of Csc

Answers

So cot= inverse tan
Tan= opposite over adjacent. So 3/2
This means the hypotenuse is square root of 13
Csc is inverse sin
Sin = opposite \ Hypotenuse
Sin = 3/Square root of 13
Csc = square root of 13/ 3

Simplify the expression 3x(x – 12x) + 3x2 – 2(x – 2)2. Which statements are true about the process and simplified product? Check all that apply.Simplify the expression 3x(x – 12x) + 3x2 – 2(x – 2)2. Which statements are true about the process and simplified product? Check all that apply.

Answers

We have the expression:
3x(x-12x) + 3x^2 - 2(x-2)^2

First, we will expand the power 2 bracket as follows:
3x(x-12x) + 3x^2 - 2(x^2 - 4x +4)

Then, we will get rid of the brackets as follows:
3x^2 - 36x^2 + 3x^2 - 2x^2 + 8x - 8

Now, we will gather the like terms and add them as follows:
-32 x^2 + 8x - 8

We can take the 8 as a common factor:
8 ( -4x^2 + x -1)

Answer:

It's option

A) the term...

C) after multiplying

D) the parentheses

Step-by-step explanation:

EDG2021

what numbers are divisible by 7?
a.75 b.35 c.20 d.30

Answers

35 is the answer
Thanks (;

35 is the only number divisible by 7.

What did the math teacher say after spending 8 hours in the ice and snow worksheet answer key?

Answers

Part 1

Given the question 'A set of 8 desert dishes costs $20. What was the cost of eah dish?'

Let the cost of each dish be x, then

8x = 20

x = 20 / 8 = 2.5

Therefore, the cost of each dish is $2.5

Part 2

Given the question 'Ben and Jerry together owns 24 comic books. If Ben owns 6 comic books, how many does Jerry own?'

Let the number of comic books owned by Jerry be x, then

x + 6 = 24

x = 24 - 6 = 18

Therefore, Jerry owns 18 comic books.

Part 3.

Given the question: 'Hans Klobber sells vaccum cleaners. He gets to keep one eighth of his sales as commission. How much must he sell in order to earn $1,000?'

Let the amount of sales required to earn $1,000 be x, then

1/8 (x) = $1,000

x = 8 times $1,000 = $8,000

Therefore, the amount of sale he must make to earn $1,000 is $8,000.

Part 4.

Given the question: 'On first down, a football team lost 8 yd. After 2 downs, the team had an overall gain of 20 yd. How many yards were gained on secong down?'

Let the number of yards gained on second down be x, then

-8 + x = 20

x = 20 + 8 = 28

Therefore, the number of yards gained on second down is 28 yards.

Part 5.

Given the question: 'After she wrote a check of $240, May Bounce had a balance in her checking account of -$6. What was her balance before she wrote the check?'

Let her balance before she wrote the check be x, then

x - 240 = -6

x = -6 + 240 = 234

Therefore, the balance in her checking account before she wrote the check was $234.

Part 6.

A bank of 8 floodlights together use 1,000 watts of power. How much power is used by each bulb?

Let the amount of power used by each bulb be x, then

8x = 1,000

x = 1,000 / 8 = 125

Therefore, the amount of power used by each bulb is 125 watts.

Part 7.

Given the question: 'Between noon and midnight, the temperature dropped 20°F. If the temperature was -8°F at midnight, what was the temperature at noon?'

Let the temperature at noon be x, then

x - 20 = -8

x = -8 + 20 = 12

Therefore, the temperature at noon was 12°F.

Part 8

Given the question 'If a strawberry pie is divided into 6 equal slice, each slice has 240 calories. How many calories are in the whole pie?'

Let the number of calories in the whole pie be x, then

1/6 (x) = 240

x = 240 times 6 = 1,440

Therefore, the number of calories in the whole pue is 1,440 calories.

Part 9.

Given the question: 'A chest was resting on the ocean floor 1000 ft below the surface. It was lifted to the deck of a ship 8ft above the surface. How far was the chest lifted?'

Let the distance the chest was lifted be x, then

-1,000 + x = 8

x = 8 + 1,000 = 1,008

Therefore, the distance the chest was lifted is 1,008 ft.

Part 10

Given the question: 'When all the kids who tried out for Little League were divided into teams of 20 players, there were exactly 8 teams. How many teams tried out?'

Let the number of kids that tried out be x, then

1/20 (x) = 8
x = 20 times 8 = 160.

Therefore, the number of kids that tried out was 160 kids.

Two angles of a triangle have the same measure and the third one is 39 degrees greater than the measure of each of the other two. find the measure of the largest angle in the triangle.

Answers

Answer:

Step-by-step explanation:

By the Triangle Angle-Sum Theorem, all the angles of a triangle have to add up to equal 180. If two of the angles are the same, then we will call them x. The third one is 39 more than the measure of each of the other angles, so the third angle measures x + 39. In equation form,

x + x + x + 39 = 180 and

3x + 39 = 180 and

3x = 141 so

x = 47

That means that the largest angle measures 47 + 39 which is 86

40% of a 12,000 acre forest is being logged how many acres will be logged

Answers

12000 x 0.40 = 4800

12000 - 4800 = 7200

7200 acres are being logged

hope this helps

40% = 0.40

0.40 (12,000) = 4,800

answer

4,800 acre is 40% of a 12,000 acre

I flip a fair coin four times what is the probability that i get more heads than tails

Answers

it will always be 50% heads 50% tails

To which set of numbers does the number -12 belong?

Answers

that belongs to the integers set, also rational and real number set

integers are like -4,-3,-2,-1,0,1,2,3,4 etc
rational numbers are number that can be written in form a/b where a and b are integers and b≠0
real numbes include rational numbers

so integers, rational number and real numbers

Which one of the following statements is NOT true of a free-falling object? An object in a state of free fall ____.

falls with a constant speed of -10 m/s.

falls with a acceleration of -10 m/s/s

falls under the sole influence of gravity

falls with downward acceleration which has a constant magnitude

Answers

Hi! C and D are not the answers, because they do fall downward and with the force of gravity. It does fall with an acceleration of -10 m/s. The object actually falls faster as it gets closer to ground and above 10 m/s, so the speed is not constant. The answer is A.

The statement which is NOT true among the given options is the first option - falls with a constant speed of -10 m/s.

In order to the determine which of the statements is NOT true, we will study each of the options one after the other.

For the first option - "falls with a constant speed of -10 m/s"

When an object is in a state of free fall, the speed is not constant. The speed actually increases as it moves closer to the ground.

∴ The first option is NOT true

For the second option - "falls with a acceleration of -10 m/s/s"

An object that is falling freely, falls under the influence of gravity. Acceleration due to gravity is approximately 10 m/s/s (10m/s²).

Therefore, an object in a state of free fall, falls with an acceleration of -10 m/s/s (The negative sign indicates deceleration, because the object is moving towards the ground).

∴The second option is true

For the third option - falls under the sole influence of gravity

As stated earlier, an object in a state of free fall, falls under the influence of gravity.

∴ The third option is true

For the fourth option - "falls with downward acceleration which has a constant magnitude"

As stated earlier, an object in a state of free fall, falls under the influence of gravity and acceleration due to gravity is approximately 10 m/s/s (10m/s²). This value is constant.

∴ The fourth option is true

Hence, the statement which is NOT true among the given options is the first option, falls with a constant speed of -10 m/s

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You are ordering a hamburger and can get up to 8 toppings, but each topping can only be used once. you tell the cashier to surprise you with the toppings you get. what is the probability that you get 2 toppings? express your answer as a fraction or a decimal number rounded to four decimal places.

Answers

Final answer:

The probability of getting 2 toppings on the hamburger is 1/28 or approximately 0.0357.

Explanation:

To calculate the probability of getting exactly 2 toppings on your hamburger, we need to consider the total number of possible combinations of toppings and the number of ways to choose 2 toppings out of those combinations.

There are 8 toppings in total, so the total number of possible combinations is 8 choose 2, which is calculated as 8! / (2! * (8-2)!), or 28.

Since you want exactly 2 toppings, the probability is the number of ways to choose 2 toppings out of the total combinations divided by the total number of possible combinations, which is 1/28 or approximately 0.0357 (rounded to four decimal places).

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Plane A leaves Tulsa at 2:00 p.m., averaging 300 mph and flying in a northerly direction. Plane B leaves Tulsa at 2:30 p.m., averaging 225 mph and flying due east. At 5:00 p.m., how far apart will the planes be?

Answers

Answer 1061

Step-by-step explanation:

Answer:

At 5:00 p.m. the planes will be [tex]1061.323[/tex] miles apart.

Step-by-step explanation:

To solve this problem, I add a picture of the situation.

We know that speed is distance over time ⇒

[tex]Speed=\frac{distance}{time}[/tex] (I)

The first step to solve this exercise is to graph the situation. We can draw a right triangle which vertices will be ''Tulsa'', and the planes ''A'' and ''B'' at 5:00 p.m.

In order to know the measures of the sides, we are going to calculate them using the equation (I)

Plane A leaves Tulsa at 2:00 p.m.

Therefore, at 5:00 p.m. it will have flown 3 hours ⇒

[tex]300\frac{mi}{h}=\frac{distance}{3h}[/tex] ⇒

[tex]distance=(300\frac{mi}{h}).(3h)[/tex]

[tex]distance=900mi[/tex]

At 5:00 p.m. the distance from the plane A to Tulsa is 900 mi

Plane B leaves Tulsa at 2:30 p.m.

Therefore, at 5:00 p.m. it will have flown 2.5 hours ⇒

[tex]225\frac{mi}{h}=\frac{distance}{2.5h}[/tex]

[tex]distance=(225\frac{mi}{h}).(2.5h)[/tex]

[tex]distance=562.5mi[/tex]

At 5:00 p.m. the distance from the plane B to Tulsa is 562.5 mi

Finally, we can find the distance between the plane A and the plane B using the Pythagorean theorem :

[tex](900mi)^{2}+(562.5mi)^{2}=(Distance_{A-B})^{2}[/tex]

[tex]810000mi^{2}+316406.25mi^{2}=(Distance_{A-B})^{2}[/tex]

[tex](Distance_{A-B})^{2}=1126406.25mi^{2}[/tex]

[tex]Distance_{A-B}=\sqrt{1126406.25mi^{2}}[/tex]

[tex]Distance_{A-B}=1061.322877mi[/tex] ≅ [tex]1061.323mi[/tex]

At 5:00 p.m. the planes will be 1061.323 miles apart.

Mrs marks has 3/4 pound of cheese to use making sandwiches she uses about 1/32 pound of cheese on each sandwich how many sandwiches can she make with the cheese she has?

Answers

3/4 = 24/32 and if each sandwich uses 1/32 cheese then she can make 24 sandwiches

(3/4) / (1/32) ...when dividing fractions, flip what u r dividing by, then multiply
3/4 * 32/1 = 24....so she can make 24 sandwiches

Logan has a change jar that contains only pennies and nickels. he has 64 coins which add up to a total of $1.52. how many of each type of coin does he have?

Answers

6 nickels 19 quarters

(01.02) given that f(x) = 2x + 5 and g(x) = x − 7, solve for f(g(x)) when x = −3. (1 point) −15 −8 10 25

Answers

hello :
f(x) = 2x + 5 and g(x) = x − 7
f(g(-3))=f (-3-7) =f(-10) = 2(-10)+5 = -20+5 = -15

$250 is discounted into $212.50 what is the percent decrease

Answers

450 all together I think

15%
250 - 15% = 212.50

There are 4 teams in a basketball league. Each team plays each of the other teams three times. How many games are played?

Answers

each team plays 9 games

( Team 1 plays team 2 3 times, team 3 3 times, team 4 3 times )

9 x 4 = 36 games total

Suppose y varies directly with x. Write a direct variation equation that relates x and y. Then find the value of y when x = 7.

y=15 when x=6

Answers

[tex]\bf \qquad \qquad \textit{direct proportional variation}\\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array}\\\\ ----------------------------\\\\ \textit{we also know that } \begin{cases} y=15\\ x=6 \end{cases}\implies 15=k6\implies \cfrac{15}{6}=k \\\\\\ therefore\qquad \boxed{y=\cfrac{15}{6}x}\\\\ ----------------------------\\\\ \textit{what's \underline{y} when x=7?}\qquad y=\cfrac{15}{6}\cdot 7[/tex]

Final answer:

To write a direct variation equation, we use the form y = kx, where k is the constant of variation. We can find the value of k by substituting the given values into the equation. Once we have the value of k, we can write the direct variation equation that relates x and y. Finally, we can find the value of y for a given value of x by substituting it into the equation.

Explanation:

To write a direct variation equation, we use the form y = kx, where k is the constant of variation. We are given that y = 15 when x = 6. To find k, we can substitute these values into the equation:

15 = k * 6

To find the value of k, we divide both sides by 6:

k = 15/6 = 2.5

Now we can write the direct variation equation that relates x and y:

y = 2.5x

To find the value of y when x = 7, we substitute x = 7 into the equation:

y = 2.5 * 7 = 17.5

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NEED HELP ASAP!!!!!!!

Solve the equation.

e² = 0.36

Enter your answer in the box.

e = ±

Answers

square root of 36 = +/-6 so square root of 0.36 is +/0.6

Answer:

0.6

Step-by-step explanation:

took the test

What is the answer for this problem

Answers

9 + 15 / 5 x 13 =
9 + 3 x 13 =
9 + 39 = 48

15/5=3
3x13=39
39+9=48

PLZ PLZ HELP
Which graph represents the solution set of the system of inequalities?

{y<2/3xy≥−x+2

Answers

It is the third one on the graph.

Answer:

it was the 3rd one. i took the test :)

Which trigonometric ratios are correct for triangle ABC? Check all that apply

Answers

Consider an angle M with measure m≠90°, in a right triangle.

Let

OPP denote the length of the side opposite to M,
ADJ denote the length of the side adjacent to M, and
HYP denote the hypotenuse.

then:

Sin(M) = OPP/HYP
Cos(M)= ADJ/HYPP
Tan(M)=OPP/ADJ

Back to our problem,

using the Pythagorean we can find the length of AB:

[tex]|AB|^2+|AC|^2=|BC|^2\\\\|AB|^2+9^2=18^2\\\\|AB|^2=18^2-9^2\\\\|AB|^2=(18-9)(18+9)=9 \cdot 27=9 \cdot 9 \cdot3\\\\|AB|=9 \sqrt{3} [/tex]

[tex]Sin(C)= \frac{OPP}{HYP}=\frac{9 \sqrt{3} }{18}= \frac{ \sqrt{3} }{2}[/tex]
[tex]Cos(B)= \frac{ADJ}{HYP}= \frac{9 \sqrt{3}}{18}= \frac{ \sqrt{3}}{2} [/tex]
[tex]Tan(C)= \frac{OPP}{ADJ}= \frac{9 \sqrt{3} }{9}= \sqrt{3} [/tex]
[tex]Sin(B)= \frac{OPP}{HYP}= \frac{9}{18}= \frac{1}{2} [/tex]
[tex]Tan(B)= \frac{OPP}{ADJ}= \frac{9}{9 \sqrt{3}}= \frac{1}{ \sqrt{3} }= \frac{ \sqrt{3}}{3} [/tex]

Answer: 1, 3, 4

Which expression represents the phrase "half the sum of 10 and a number"

Answers

the answer should be 10/n

i know this is very late but for future people its

1/2 (10 + x)

PLEASE HELP?

Caitlin Grasso is a salesperson in the kitchen and bath department at Morris Supplies, Inc. She makes 5.5% straight commission on her total sales. What were her total week's sales, if her gross pay was $560?

A. $10,741.82
B. $3,640.00
C. $3,080.00
D. $10,181.82

Answers

5.5% = 560

1% = 560 / 5.5

100% = 100(560/5.5) = 10,181.82
*rounded

Hope this helps? :)

Answer:

Step-by-step explanation:

If her pay is $560, her sales is "something" whose 5.5% is 560.

We can setup the equation below and solve (let total sales be [tex]s[/tex]):

[tex](0.055)(s)=560\\0.055s=560\\s=\frac{560}{0.055}\\s=10,181.82[/tex]

Answer choice D is right.

Find a point on the y-axis that is equidistant from the points (4, −4) and (1, 1).

Answers

hello :
a point on the y-axis is : P( 0, y)
PA = PB or PA² = PB².... A(4 , -4) B(1,1)
(4-0)²+(-4-y)² = (1-0)² + (1-y)²
16 +y² +8y +16 = 1 + 1 -2y +y²
10y = -30
y = -3

Gretchen and Ezia received equal scores on a test made up of multiple choice questions and an essay. Gretchen got 18 multiple choice questions correct and received 19 points for her essay. Ezia got 15 multiple choice questions correct and received 31 points for her essay.

How many points was each multiple choice question worth?
Enter your answer in the box.

Answers

I think its 91.

NOT Guaranteed this is the Answer. Best of luck to you.

I think its 91. hope this helps

Complete the steps to the factor the tens. 30x40=( n x 10) x ( n x 10)=( n x n) x (10 x10)= n x 100 = n

Answers

the corrent answer is 20 please mark the brainliest if this helps

How can I evaluate this question?

Answers

[tex]\bf \left(x^2-\cfrac{2}{\sqrt{x}}+1 \right)(\sqrt[3]{x}+3x-4)\quad \begin{cases} \frac{2}{\sqrt{x}}\implies \frac{2}{x^{\frac{1}{2}}}\implies 2x^{-\frac{1}{2}}\\\\ \sqrt[3]{x}\implies x^{\frac{1}{3}} \end{cases} \\\\\\ (x^2-2x^{-\frac{1}{2}}+1)(x^{\frac{1}{3}}+3x-4)[/tex]

[tex]\bf \\\\\\ \begin{cases} x^2\cdot x^{\frac{1}{3}}+3x^3-4x^2\\\\ -2x^{-\frac{1}{2}}\cdot x^{\frac{1}{3}}-2x^{-\frac{1}{2}}\cdot 3x+2x^{-\frac{1}{2}}\cdot 4\\\\ +x^{\frac{1}{3}}+3x-4 \end{cases} \\\\\\ \begin{cases} x^{2+\frac{1}{3}}+3x^3-4x^2\\\\ -2x^{-\frac{1}{2}+\frac{1}{3}}-6x^{-\frac{1}{2}+1}+8x^{-\frac{1}{2}}\\\\ +x^{\frac{1}{3}}+3x-4 \end{cases}[/tex]

[tex]\bf x^{\frac{7}{3}}+3x^3-4x^2-2x^{-\frac{1}{6}}-6x^{\frac{1}{2}}+8x^{-\frac{1}{2}}+x^{\frac{1}{3}}+3x-4 \\\\\\ \sqrt[3]{x^7}+3x^3-4x^2-\cfrac{2}{x^{\frac{1}{6}}}-6\sqrt{x}+\cfrac{8}{x^{\frac{1}{2}}}+\sqrt[3]{x}+3x-4 \\\\\\ x^2\sqrt[3]{x}+3x^3-4x^2-\cfrac{2}{\sqrt[6]{x}}-6\sqrt{x}+\cfrac{8}{\sqrt{x}}+\sqrt[3]{x}+3x-4[/tex]

Jimmy made a 15% profit on the sale of a custom designed boat, and the original cost of the boat was $15,000. the boat sold for how much?

Answers

2250 is the answer problem 15% of 15,000

Convert 9.46 x 10^12 to expanded form

Answers

Your answer would be

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