Mathematics College

2 PointsMULTIPLE CHOICEQuestion 42: PracticeWhich statements are true for the decimals 0.04 and 0.004?Choose two correct answers.in Base TenA0.04 is 10 times as much as 0.004.B.0.04 is 100 times as much as 0.004.Etice Solvingс0.004 is 10 the amount of 0.04.uizD0.004 is 100 the amount of 0.04

Answers

Answer 1

From the question;

we are given the decimal numbers

[tex]0.04\text{ and 0.004}[/tex]

If we consider dividing 0.04 by 0.004 we will have

[tex]\frac{0.04}{0.004}=10[/tex]

Therefore, 0.04 is 10 times as much as 0.004

Also, if we consider dividing 0.004 by 0.04 we will get

[tex]\frac{0.004}{0.04}=0.1=\frac{1}{10}[/tex]

Therefore, 0.004 is 1/10 the amount of 0.04

Hence

Given the decimals 0.04 and 0.004 we have

1. 0.04 is 10 times as much as 0.004

2. 0.004 is 1/10 the amount of 0.04

Related Questions

John saves 2/5 of his take-home pay. After
6 paychecks, he has saved $4,800. How much is John's paycheck?

A. $800

C. $2,000

B. $1,920

D. $3,500

Answers

John's paycheck is $2,000.

According to the question,

We have the following information:

John saves 2/5 of his take-home pay.

After 6 paychecks, he has saved $4,800.

Now, let's take John's paycheck to be $x.

Now, 2/5 of this paycheck will be $2x/5.

So, this is the amount saved from 1 paycheck of John.

Now, to find the amount saved in 6 paychecks will be:

6*(2x/5)

Now, we can equate this to the amount saved by John after 6 paychecks.

6*(2x/5) = $4,800

12x/5 = 4800

12x = (4800*5)

x = (4800*5)/12

Now, dividing 4800 by 12:

x = 400*5

x = $ 2000

Hence, the correct option is C ($2,000).

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Which symbol correctly compares these fractions? -13\15 and -5\6 a: = b: > c:

Answers

Answer:

Step-by-step explanation:

None

is the reflection of a figure in the x axis equivalent to the rotation of that same figure 180° (clockwise) about the origin?

Answers

The reflection across x-axis has the following rule applied

[tex](x,y)\rightarrow(x,-y)[/tex]

The rotation of 180° about the origin has the rule

[tex](x,y)\rightarrow(-x,-y)[/tex]

In this case, the new image are not the same, that is to say

Therefore, they are not the same.

Write and solve an equation. Do not forget to label your variable or your units

Answers

Mr. Thompson weighs 260 pounds and he loses 4 pounds each month.

The equation will be :

w = 260 - 4m

where w is the weight after m months

when w = 220 pounds, the number of months will be :

220 = 260 - 4m

4m = 260 - 220

4m = 40

m = 40/4

m = 10

The answer is 10 months

Which steps should be used to graph the equation y-4 = 1/3 (x + 2)?

Answers

Graph of a function

We have the following equation:

y - 4 = 1/3 (x + 2)

We clear y in order to be more unterstandable:

y - 4 = 1/3 (x + 2)

y = 1/3 (x + 2) + 4

y = 1/3 x + 2/3 + 4

y = 1/3 x + 2/3 + 12/3

y = 1/3 x + 14/3

Step 1

In order to find the answer we are going to determine x value when y = 4:

y = 1/3 x + 14/3

4 = 1/3 x + 14/3

4 - 14/3 = 1/3 x

12 - 14 = x

-2 = x

Then, it passes through the point (-2 , 4), so we can discard options A and B (because it doesn't pass through (2, 4))

Step 2

We know a linear equation is given by:

y = mx + b, where m and b are numbers: m is the slope of the line and b the y-intercept.

In this case y = 1/3 x + 14/3, the slope is 1/3. We know m is given by

m = Δy/Δx

Since in this case

m = 1/3 = Δy/Δx

Then

Δx = 3 and Δy = 1

That means that if it changes 3 units on the x-axis, then it changes 1 unit on the y-axis

Please help I am so bad at geometry

Answers

X = 31

Step by Step:

1) 2x+5=67
-5 -5
2) 2x=62
3) (2/2)x=(62/2)
4) x = 31

How far will a train travel per hour if it travels 282 miles in 2 1/2 hour?

Answers

1) Gathering the data

282 miles

2 1/2 hour We can rewrite that as 2.5

2) Let's use a proportion, or rather a formula for that

282 miles ------- 2.5

x -------------------- 1

2.5x = 282

x=282 /2.5

x =112.8 miles per hour

In one 1 hour, this train is able to get 112.8 miles if this train maintains its velocity

Dm³ + n = rwhat does D equal?

Answers

[tex]Dm^3+n=r[/tex][tex]Dm^3=r-n[/tex][tex]D^{}=\frac{r-n}{m^3}[/tex]

In a survey, 10 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49 and standard deviation of $2. Find the margin of error at a 80% confidence level.

Give your answer to two decimal places

Answers

Given the data that we have here where the number of people in the survey is 10, s = 2 and mean = 49, the margin of error is given as 0.76

How to solve for the margin of error

The margin of error can be used to provide the data that has to do with the amount of sampling error that would be in a given data statistic.

We would have to calculate the amount of error using the data that we have below.

We have the following values

number n = 10

mean u = 49

standard deviation sd = 2

The level of confidence c i = 80% = 0.80

we have to find the critical value

degree of freedom = 1 - 0.80

= 0.20

zα/2

= 0.20 / 2 = 0.10

= 1.383

The margin of error

= zα / 2 * s / √n

= 1.383 * 2/√10

= 1.383 x 2 / 3.623

= 1.383 x 0.552028

= 0.7634

The calculated margin of error is given as 0.7634

Answers

Meal prepared a day = 80 meals

Vegetarian meals will be

[tex]\text{vegetarian}=\frac{3}{8}\times80=\frac{240}{8}=30[/tex]

Non vegetarian meals = 80 - 30 = 50 meals

What is the value of x? O x = 21 O x = 28 x = 35 O x = 37

Answers

The value of the missing variable x is; x = 37

What is the value of the missing angle?

Corresponding angles are the angles which are formed in matching corners or corresponding corners with the transversal when two parallel lines are intersected by any other line.

Now, from the given problem, we see that we have two parallel lines with a transversal crossing them Thus, we can say that the two given angles are corresponding angles and as such they are congruent. Thus;

3x + 4 = 115

3x = 115 - 4

3x = 111

x = 111/3

x = 37

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An architect designs a house that is 10 m wide. The rafters holding up the roof are equal length and meet at an angle of 65°. The rafters extend 0.4 m beyond the supporting wall. How long are the rafters?

Answers

The length of the rafter when the architect design a house is 12.778m.

How to calculate the length?

The information illustrates that the architect designs a house that is 10 m wide and that the rafters holding up the roof are equal length and meet at an angle of 65°.

The rafters extend 0.4 m beyond the supporting wall. Then, the length will be:

cos65° = BC / AC

cos 65° = (5 + 0.4)/x

cos 65° = 5.4/x

x = 5.4 / 0.4226

x = 12.778m

The length is 12.778m

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The price of stock A at 9 am was $15.48 since then the price has been increasing at the rate of $0.11 each hour at noon the price of stock B was $16.23 it begins to decrease at the rate of $0.12 Each hour if the two rates continue in how many hours will the prices of two stocks be the same

Answers

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the sequence has 100 term and the listing of number were as follow x, 7, 11, 15.......... 399 find the value of x

Answers

Answer:

x = 3

Step-by-step explanation:

Given the sequence x, 7, 11, 15, ... 399, where 399 is the 100th term, you want to know the first term, x.

Arithmetic sequence

The differences of the first few terms are ...

11 -7 = 4

15 -11 = 4

This suggests an arithmetic sequence with a common difference of 4.

The first term, x, will be 4 less than the second term:

x +4 = 7

x = 7 -4 = 3

The value of x is 3.

Check

The n-th term of an arithmetic sequence with first term a1 = 3 and common difference d = 4 is ...

an = a1 +d(n -1)

an = 3 +4(n -1) = 4n -1

Then the 100th term is ...

a100 = 4(100) -1 = 399 . . . . consistent with the given information

Given: I II m. Write a flowchart proof to show that ∠1 ≅ ∠3.

Answers

flowchart proof

1) Lines m and l are parallel ------> given

2) ∠1 ≅ ∠2 -----> by alternate interior angles

3) ∠3 ≅ ∠2 -----> by vertical angles

4) ∠1 ≅ ∠3 ----> by the transitive property

Find the mean of the following numbers:
8
0
3
3
1
7
4
1
4
4

Answers

Answer:

the answer is 3.5 i think

8+3+3+1+7+4+1+4+4= 35

35/10=3.5

Fill in the blank to make the two fractions equivalent. 4 = $ U A 30 ?

Answers

Given:

[tex]\frac{x}{30}=\frac{4}{5}[/tex]

To find: The value of x (box)

Explanation:

Multiplying 30 on both sides. We get,

[tex]\frac{x}{30}\times30=\frac{4}{5}\times30[/tex]

Solving we get,

[tex]\begin{gathered} x=4\times6 \\ x=24 \end{gathered}[/tex]

Thus, the value of x is 24.

Final answer: The missing value is 24.

Lisa specializes in baking lemon cupcakes. She bakes 3 dozen cupcakes every hour. The cost (in dollars) of making n cupcakes is given by the function C(n) = 60 + 0.45n.

Answers

Consequently, it costs $62.70 to make cupcakes for two hours.

By making use of functions, We have: n(h) = 3h, The cost in terms of hours h is given by C(3h) = 60+1.35h, and Lisa's cost for making cupcakes for 2 hours is $62.70

According to the question, Lisa makes 3 dozen cupcakes an hour. To calculate how many she makes in h hours, we will apply the equality postulate as stated.

3 dozens = 1 hour

Hour = n(h)

Cross Multiplying,

n(h) × 1 = 3×h

n(h) = 3h

Therefore, n(h) = 3h is the function that predicts the number of cupcakes Lisa produces in h hours.

We shall locate the composite function C(n(h)) to obtain the cost function in hours.

C(n(h)) = C(3h) (3h)

If C(n) = 60 + 0.45n, then

By replacing n with 3h in the function as indicated, C(3h) is obtained;

C(3h) = 60+0.45(3h) (3h)

C(3h) = 60+1.35h

Thus, 60+1.35h is the cost function expressed in hours.

We will change h = 2 into the calculation C(h) = 60+1.35h to obtain the cost of baking cupcakes for 2 hours.

C(2) = 60+1.35(2) (2)

C(2) = 60+2.70

C(2) = 62.70

Consequently, it costs $62.70 to make cupcakes for two hours.

Complete Question:

Lisa specializes in baking lemon cupcakes. She bakes 3 dozen cupcakes every hour. The cost (in dollars) of making n cupcakes is given by the function C(n) = 60 + 0.45n. The function that models the number of cupcakes Lisa makes in h hours is n(h)=___. The cost in terms of hours h is given by ___. Lisa's cost for making cupcakes for 2 hours is___

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Can you please help me out with a question

Answers

Answer:

P = 80 units

Explanation:

Let's label some points in the triangle as:

Since the sides of the triangles are tangent to the circumference, we can write the following relationships:

XC = YC

AZ = AY

BX = ZB

So, the length of the missing side XC is equal to:

XC = YC = 14

On the other hand, the length of AB is the sum of the length of AZ and ZB, so we can calculate ZB as:

AB = AZ + ZB

26 = AY + ZB

26 = 18 + ZB

26 - 18 = ZB

8 = ZB

Because AZ and AY have the same length.

Finally, the measure of BX is equal to:

BX = ZB

BX = 8

Therefore, the perimeter of the triangle is:

Perimeter = AY + YC + AZ + ZB + BX + XC

Perimeter = 18 + 14 + 18 + 8 + 8 + 14

Perimeter = 80

So, the answer is 80 units.

For the exponential function f, find f^-1 analytically and graph both f and f^-1.f(x)=6^x-8

Answers

First, replace f(x) by y. This is done to make the rest of the process easier.

[tex]y=6^x-8[/tex]

Now, replace every x with y and a every y with an x:

[tex]x=6^y-8[/tex]

Now, solve this equation for y. Then, we must move -8 to the left hand side as +8. It yields

[tex]x+8=6^y[/tex]

Now, we can apply logarithms in both sides:

[tex]\log (x+8)=\log 6^y[/tex]

For the properties of logarithms, we have

[tex]\log 6^y=y\log 6[/tex]

then, we have

[tex]\log (x+8)=y\log 6[/tex]

and we obtain

[tex]y=\frac{\log(x+8)}{\log6}[/tex]

Finally, replace y with f^1. Then, the inverse funcion is

[tex]f^{-1}(x)=\frac{\log(x+8)}{\log6}[/tex]

The graphs of the function and its inverse are:

624 students in a class took an algebra test.If 18 students passed the test, what percent passed?Answer:

Answers

[tex]\begin{gathered} 24\text{ students in total took an algebra test} \\ 18\text{ students passed the test} \\ \text{The percentage of students that passed is calculated as;} \\ \frac{Number\text{ that passed}}{Total\text{ number of students}}\times100 \\ \text{Percentage pass=}\frac{18}{24}\times100 \\ \text{Percentage pass=}\frac{1800}{24} \\ \text{Percentage pass=75} \end{gathered}[/tex]

The answer is 75%

HELPDetermine the equation of the line shown in the graph:y = −1y = 0x = −1x = 0

Answers

in this problem we have a vertical line

The equation of a vertical line is equal to the x-coordinate of the point that passes through it

in this case

the equation of the line is

x=-1

You earn $\$34.50$ selling items at a craft show. Newton earns $5$ times as much as you. Descartes earns $0.1$ times as much as Newton does. How much do the three of you earn in all?

Answers

All the three person earn $230.75 in all.

What is mean by Addition?

The process of combining two or more numbers is called the Addition.

Given that;

You earn in selling items = $35.50

Newton earn 5 times as much you.

Descartes earns 0.1 times as much as Newton does.

Now,

You earn in selling item = $35.50

Newton earn in selling = 5 x $35.50

= $177.5

Descartes earn in selling = 0.1 x $177.5

= $17.75

So, Total earn = $35.50 + $177.5 + $17.75

= $230.75

Therefore, All the three person earn $230.75 in all.

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help me please......

Answers

There is the required value would be 6 in the box.

What is the Ratio?

The ratio is defined as a relationship between two quantities, it is expressed as one divided by the other.

What are Arithmetic operations?

Arithmetic operations can also be specified by the subtract, divide, and multiply built-in functions.

If you are in the partition XY in the ratio 3 to 4 from point X to point Y

To determine multiply the length of XY.

XY = 14 units then 3/7 of 14

= 3/7 × 14

Apply the multiplication operation,

= 42/7

Apply the division operation,

= 6

Hence, the required value would be 6 in the box.

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Sebastian bought cookies from his sister's scout troop. He bought 4 boxes of shortbread cookies and 3 boxes of peanut butter cookies. There are 20 shortbread cookies in each box but only 18 peanut butter cookies in each box. How many cookies did Sebastian buy in all?

Answers

Sebastian buy 134 cookies.

Given,

He bought 4 boxes of shortbread cookies

and, 3 boxes of peanut butter cookies.

There are 20 shortbread cookies in each box.

but only 18 peanut butter cookies in each box.

To find the how many cookies did Sebastian buy in all?

Now, According to the question:

Formulate the above conditions:

18 x 3 + 20 x 4

Calculate the product or quotient

54 + 20 x 4

54 + 80

= 134

Hence, Sebastian buy 134 cookies.

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The two triangles in the figure below are similar triangles. Solve for x.128846O 810O not enough information

Answers

Solution

step 1

Explain similarity

Both triangles are similar therefore the ratio of their corresponding sides must be equal.

Step2

State the corresponding sides

[tex]\frac{12}{x}=\frac{8}{4}[/tex]

Step 3

Find x

[tex]\begin{gathered} 8x\text{ = 12}\times4 \\ x\text{ =}\frac{48}{8} \\ x=6 \end{gathered}[/tex]

Hence option A

Emily and Andy each go to a hardware store to buy a wire. the table shows the relationship between the cost and the length of wire. Part A: Emily needs 24 ft of wire. how much will she spend on wire.Part B: Andy needs 13 yards of wire. how much will he spend on wire

Answers

Part A

If Emily needs 24 feet of wire, then she has to spend $14.4

Part B

If Andy needs 13 yards of wire, then he has to spend $23.4

From the given graph choose one option

The length of the wire = 120 inches

The cost of 120 inches of wire = $6

Cost of 1 inch of wire = 6/120

= $0.05

Part A

The length of the wire = 24 feet

Convert the feet to inches

24 feet = 288 inches

The cost of 288 inches of wire = 0.05×288

= $14.4

Part B

The length of the wire = 13 yards

Convert the yards to inches

13 yards = 468 inches

The cost of 468 inches of wire = 0.05×468

= $23.4

Hence,

Part A

If Emily needs 24 feet of wire, then she has to spend $14.4

Part B

If Andy needs 13 yards of wire, then he has to spend $23.4

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What is the image point of (-6, -8) after the transformation R90° ory--r?

Answers

R90° transformation results in an image point that is (6, -8).

Describe Quadrant.

The plane is divided into four infinite areas known as quadrants, each of which is bounded by two half-axes, using two-dimensional Cartesian axes.

These are commonly numbered from 1 to 4, and are denoted by Roman numerals: the coordinates for I are I (+, +), II (-, +), III (-, -), and IV (+, -).

We are aware that there are four quadrants: I (x, y), II (-x, y), III (-x, -y), and IV (-x, -y) (x, -y)

We can infer that the points are in quadrant III from the supplied point, which is (-6, -8). (-x, -y).

Now, if we turn right 90 degrees and enter sector IV (x, -y), the supplied point will change to (6, -8)

hence, following the transformation of R90°, we have the image point is (6, -8).

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A parachute speed during a free fall reaches 135 miles per hour. What is this speed in feet per second? At this speed, how many feet will the parachute fall during 5 seconds free fall? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answer.

Answers

The parachutes speed during free fall will be : 990 feet per second

Given: A parachute speed during a free fall = 135 miles per hour.

This means Unit rate = 135 miles per hour

= 135 × [tex]\frac{5280}{60X60}[/tex] feet per second

Because it is given that 1 mile = 5280 feet per second

= [tex]135 X \frac{5280}{3600}[/tex]

On dividing 5280 by 3600

we get:

= 135 × 1.46

= 198.00 feet per second

Thus in 5 seconds the parachutes speed during free fall will be :

990 feet per second.

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. Suppose that in this process, 20% of the available raw sugar is changed to a refined sugar every 5 hrs. If a process begins with 1,000 pounds of raw sugar, write an exponential equation for the amount A of raw sugar (in pounds) t hrs after the process begins.

Answers

The exponential equation which represents the amount of raw sugar t hours after the process begins is; A = 1,000 (0.8)^(t/5).

Which equation represents the amount of raw sugar left t hours after the process begins?

It follows from the task content that the amount of raw sugar left after the process begins is to be determined according to the information given.

Since, 20% of the available raw sugar is changed to a refined sugar every 5 hrs, it follows that only 80% of the raw sugar is left after each successive time interval period.

Hence, the exponential model of the situation is such that;

A = 1,000(0.8)^(t/5).

Where t = number of hours after the process begins.

Therefore, the required equation is; A = 1,000(0.8)^(t/5).