Compare the subtraction problems (6 8 − 5 8 = 1 8 ) and (6 9 − 7 9 = −1 9 ). Why is the answer to the first problem positive and the answer to the second problem negative? Check all that apply. In the second problem, the first fraction is less than the second fraction. The answer to the first problem is positive because the denominator is even. The answer to the second problem is negative because the denominator is odd. If you subtract a lesser number from a greater number, the answer is positive. If you subtract a greater number from a lesser number, the answer is negative.

Answers

Answer 1

Answer:

A D E

Step-by-step explanation:

A. In the second problem, the first fraction is less than the second fraction.

D. If you subtract a lesser number from a greater number, the answer is positive.

E. If you subtract a greater number from a lesser number, the answer is negative.

Answer 2

The correct options are given below:-

A. In the second problem, the first fraction is less than the second fraction.

D. If you subtract a lesser number from a greater number, the answer is positive.

E. If you subtract a greater number from a lesser number, the answer is negative.

What is an expression?

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.

The expressions are as follows:-

(6/ 8 − 5/8 = 1 8 ) and (6/ 9 − 7 / 9 = −1 / 9 )

In the second problem, the first fraction is less than the second fraction. If you subtract a lesser number from a greater number, the answer is positive. If you subtract a greater number from a lesser number, the answer is negative. All the statements are correct for the given expressions.

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Related Questions

Easy Question, Easy points

Topic: Volume

Answers

Answer:

(a) 55080 m³

(b) 1312 truckloads

(c) 11 days

Step-by-step explanation:

(a) We have a rectangular prism with the dimensions 12 by 85 by 54, so the volume is just the product of these numbers:

V = 12 * 85 * 54 = 55080 m³

(b) The truck can hold 42 m³ of earth, so divide 55080 by 42 to get the number of truckloads required:

55080 / 42 = 1311.4

Since we will still need a truckload to hold that little bit of earth that involves 0.4 of a truck, we round up to 1312 truckloads.

(c) In one day, 4 trucks work for 6 hours and since each truck can remove 42 m³ with 5 loads per hour, we have:

42 * 5 * 6 * 4 = 5040 m³ earth removed a day

Divide 55080 by 5040 to get the number of days:

55080 / 5040 = 10.9 ≈ 11 days

Part A:

The volume can be found by multiplying all the dimensions of the earth being evacuated.

12 * 85 * 54 = 55,080m³

Part B:

Divide the number of capacity that each truck carries of earth.

55,080 / 42 = 1,311.4285

I would assume we round up since that little bit that's left over is another load.

So, 1,311.4285 → 1,312 truckloads

Part C:

4 trucks work non-stop for a 6 hour day, each truck can transport 5 loads per hour, and each truck can carry 42m³ of earth. We can multiply all these numbers and divide by the total earth capacity.

42 * 6 * 5 * 4 = 5,040

55,080 / 5,040 = 10.9285...

Round up.

10.9285... → 11 days

Best of Luck!

The students in Mr. McIntyre’s class and in Mrs. Ramos’s class were asked how many pets they each have. The dot plots below show the results.

Mr. McIntyre’s Class
A dot plot titled Mister McIntyre's Class. A number line going from 0 to 5 is labeled Number of Pets. There are 5 dots above 0, 5 above 1, 4 above 2, 1 above 3, and 0 above 4 and 5.

Mrs. Ramos’s Class
A dot plot titled Misses Ramos's Class. A number line going from 0 to 5 is labeled Number of Pets. There is 1 dot above 0, 2 above 1, 2 above 2, 4 above 3, 3 above 4, 3 above 5.

Which statement correctly compares the measures of center of the data in the dot plots?
The median is greater for Mr. McIntyre’s class.
The median is the same for both classes.
The mode is greater for Mrs. Ramos’s class.
The mode is the same for both classes.

Answers

The correct statement is the mode is greater for Mrs. Ramos’s class.

What is the correct statement?

Median is the number in the middle of a dataset.  Mode is the number that occurs most frequently in the dataset.

Number of pets in  Mr. McIntyre’s class = 0,0,0,0,0,1, 1, 1, 1, 1, 4, 4, 4, 4, 1,

Median = 1 Mode = 0 and 1

Number of pets in  Mrs. Ramos’s Class = 0, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 3, 3, 3

Median = 3 Mode = 4 and 5

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Answer:

The answer is C) the mode is greater for Mrs. Ramos’s class.

Step-by-step explanation:

If you need any help with this question please ask me! :)

what is n if 8n-(4n+7) = 13

Answers

Answer:

5

Step-by-step explanation:

Which is the graph of y = cos(x − π)?​

Answers

Answer:

Graph 1.

Step-by-step explanation:

Th graph of [tex]y=\cos{(x-\pi)}[/tex] looks exactly like the graph of [tex]y=\cos{x}[/tex] if we shifted the axes [tex]\pi[/tex] units to the left. This has the visual effect of shifting the graph forward [tex]\pit[/tex][tex]\pi[/tex] units (imagine filming someone and panning the camera to the left; the person moves right in the camera frame).

So the point at [tex]x=0[/tex], which used to be [tex](0, \cos{0})=(0,1)[/tex] is now [tex](0,\cos{(0-\pi)})=(0,\cos{(-\pi)})=(0,-1)[/tex], which we can find on the first graph.

The graph of the cosine function is the first graph (counting from the left).

Which is the graph of y = cos(x − π)?​

This is rather easy to see.

We do know that cos(− π) = cos (π) = -1

In this case, where:

f(x) = y = cos(x − π)

We will have:

f(0) = cos( − π) = -1

So we only need to see which graph has a y-intercept equal to -1. By looking at the graphs we can see that the only one that meets this condition is the first graph (counting from the left). So that is the correct option.

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Which expression has a negative value ?
A. -12 x (-8)

B. -72 divided by (-9)

C. -11 x 6

D. -14 + 24

Answers

Answer:

C. -11 x 6

Step-by-step explanation:

When you multiply a negative number with a positive, your answer will always be negative. In this case:

-11 x 6 = -66.

~

Answer:

C. -11 × 6

Step-by-step explanation:

A. -12×(-8)  =96

B. -72÷(-9) =8

C. -11×6 =-66

D. -14+24=10

Only option C gives a negative answer.

put the fractions in order starting with the smallest to the largest

21/40, 29/40, 17/20, 3/4, 4/5

Answers

Answer:

21/40, 17/20, 29/40, 3/4, 4/5

Step-by-step explanation:

21/40 = 10.5/20

29/40 = 14.5/20

17/20 = 13.5/20

3/4 = 15/20

4/5 = 16/20

Find the elapsed time between 5:25 pm and 11:11 pm

Answers

Answer:

5 hours 46 minutes

Step-by-step explanation:

Find the monthly payment needed to amortize a typical 100,000 mortgage loan over 30 years at annual interest rate of 4.7%, compounded monthly. Find the total interest paid on the loan after 30 years

Answers

Answer:

Monthly amortization paid is $1,135

Amount of interest paid is $308,469

Step-by-step explanation:

Here, we are interested in calculating the monthly payment paid and the total value of this interest.

Firstly, we calculate the amount which this loan would be at the end of the 30 years.

To calculate this amount, we make use of the compound interest amount formula

A = P(1 + r/n)^nt

where A is the amount we want to calculate

P is the amount borrowed which is $100,000

r is the interest rate which is 4.7% or simply 4.7/100 = 0.047

n is the number of times yearly which the interest is compounded which is 12 since it is compounded monthly

t is the total time taken to repay the loan which is 30 years

Plugging these values, we have

A = 100,000( 1 + 0.047/12)^(12 * 30)

A = 100,000( 1+ 0.00392)^360

A = 100,000(1 .00392)^360

A = $408,469

The monthly payment needed to amortize the loan will be the amount after 30 years divided by the number of months in 30 years

The number of months in 30 years is 30 * 12 = 360 months

The monthly payment amount is thus 408,469/360 = 1,134.6 approximately $1,135

The total interest paid will be the amount minus the principal

This is $408,469 - $100,000 = $308,469

what is the outlier of 1,148 ,10 ,43 ,14

Answers

Answer:

148

Step-by-step explanation:

an outlier is somthin that stands out

Answer:

148

Step-by-step explanation:

Its farther away from all the other numbers

What is the factor 5k2 - 35k3.

Answers

Answer:

the factored form is -5x^2(7x-1)

Answer:

5k^2(1 - 7k)

Step-by-step explanation:

hope this helps(:

SOMEONE PLEASE HELP ME WITH THIS!!! I really need help I try doing it but I just end up getting lost, please help me, I give out brainliest!!!!
((Trigonometry))

Answers

X=36.2 feet. See picture

What are the roots of the function?
0 -8 and 20
O _40 and -8
O-8 and 8
O _40 and 20

Answers

Answer:

0

8

=

8

0-8=-8

20

=

8

20=-8

O

40

=

40

O

O⋅40=40O

8

=

40

O

-8=40O

O

8

=

40

O

O-8=40O

8

=

40

O

8=40O

O

40

=

40

O

O⋅40=40O

20

=

40

O

20=40O

AB =
Round your answer to the nearest hundredth.
А
?
4
35°
B
С

Answers

Answer:

6.97

Step-by-step explanation:

t r u s t me

Rounding to the nearest hundredth, we get [tex]\( AB \approx 6.97 \)[/tex]. So, the correct answer is indeed [tex]\( x \approx 6.97 \).[/tex]

To find the length of side AB, we can use the sine function as follows:

[tex]\[ \sin(B) = \frac{{\text{opposite}}}{{\text{hypotenuse}}} \][/tex]

In this case, [tex]\( \sin(35^\circ) = \frac{4}{AB} \).[/tex]

We rearrange this equation to solve for AB:

[tex]\[ AB = \frac{4}{{\sin(35^\circ)}} \][/tex]

Now, we'll calculate:

[tex]\[ AB = \frac{4}{{\sin(35^\circ)}} \]\[ AB \approx \frac{4}{{0.5736}} \]\[ AB \approx 6.97 \][/tex]

Rounding to the nearest hundredth, we get [tex]\( AB \approx 6.97 \)[/tex]. So, the correct answer is indeed [tex]\( x \approx 6.97 \).[/tex]

Jennas employer deducts 0.2 times her wages for payroll taxes.How much is her net income when her gross income is $580?

Answers

Answer:

Net income = $464

Step-by-step explanation:

The tax paid = 580 *2/10 = $116

The gross income = $580

Net income = gross income - tax

= $580 - $116 = $464

5. What is 60% of 45?

Answers

Answer:

27

Step-by-step explanation:

Of means multiply

60% * 45

Change to decimal form

.60* 45

27

In a certain population of 1000 fruit flies, 640 have red eyes while the remainder has sepia eyes. The sepia eye trait is recessive to red eyes.

a. Calculate the number of homozygous recessive alleles for sepia eyes

b. Determine the number of homozygous dominant alleles for red eyes

c. Convert your answer for (b) into percent

Answers

Answer:

b. Determine the number of homozygous dominant alleles for red eyes

Step-by-step explanation:

In triangle ABC, angle A measures 50 degrees, angle B measures 30 degrees. Find the measure of angle C.
A.100 degrees
B.50 degrees
C.110 degrees

Answers

Answer:

100 degrees

Step-by-step explanation:

The cup was filled at a constant rate. It started empty. After 2 seconds, it held 70 cm^3 of water.
Find the percent of the cup that is filled with water after 3 seconds.

Answers

Answer:

About 90%

Step-by-step explanation:

If the cup was filled at a constant rate, then the cup fills at 70/2=35 cubic centimeters per second. The formula for the volume of a cone is [tex]\frac{1}{3} \pi r^2 h[/tex], or in this case [tex]\frac{112}{3}\pi[/tex] cubic centimeters. After 3 seconds, the cup would have 35*3=105 cubic centimeters of water inside of it, or about 89.52% which rounds to 90%. Hope this helps!

Find the 73rd term of the arithmetic sequence -28, -41, -54, ...

Answers

Answer:

Find the 73rd term of the arithmetic sequence -28, -41, -54, ...... -964

Step-by-step explanation:

U73 = -28 + (73 - 1)-13

U73 = -28 - 949 + 13

U73 = -964

Final answer:

The 73rd term of the arithmetic sequence -28, -41, -54, ... is -964, calculated using the formula of an arithmetic sequence.

Explanation:

The 73rd term of the arithmetic sequence -28, -41, -54, ... can be found by using the formula of arithmetic sequence which is a + (n - 1) * d, where 'a' is the first term of the sequence, 'd' is the common difference, and 'n' is the term number. Here, 'a' is -28 and 'd', the difference between the terms, is -13 because -41 - (-28) = -13.

So, plugging in these values to the formula: a + (n - 1) * d = -28 + (73 - 1) * -13 = -28 - 936 = -964. Therefore, the 73rd term of the sequence is -964.

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What is the volume of the following cylinder?



43.96 in.3
12.56 in.3
21.98 in.3
87.92 in.3

Answers

Answer:

d) 87.92

Step-by-step explanation:

V = A(base)* height= πr² * h= 3.14*2²*7=87.92

If a car company makes a car with the option of 4 exterior colors, 3 interior colors, and 2 engines, how can the multiplication principle help us determine the total number of different variations of the car?

Answers

There are a total of 24 different combinations of exterior color, interior color, and engine that the car company can offer.

What is the multiplication principle?

The multiplication principle states that if there are a number of choices for one aspect of a problem, and a number of choices for another aspect of the problem, and the choices for each aspect are mutually exclusive (i.e., they do not overlap), then the total number of choices is the product of the number of choices for each aspect.

As per the question, there are 4 choices for the exterior color of the car, 3 choices for the interior color of the car, and 2 choices for the engine of the car.

Using the multiplication principle, we can determine that the total number of different variations of the car is :

4 x 3 x 2 = 24.

This means that the car company may provide a total of 24 distinct exterior colors, interior colors, and engine combinations.

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Final answer:

Using the multiplication principle, by simply multiplying together the number of options for each feature (4 exterior colors, 3 interior colors, 2 engines), we find that there are 24 possible variations of the car that the company can make.

Explanation:

The multiplication principle in mathematics is a tool used in combinatorics that suggests that if you have multiple groups of items, and you want to know how many different combinations there are of one item from each group, you can simply multiply the amount of items in each group. In the context of your car company question, with 4 exterior colors, 3 interior colors, and 2 types of engines, the multiplication principle suggests you can calculate the total combinations by multiplying these numbers together. So, you would have:

4 (exterior colors) * 3 (interior colors) * 2 (engine types) = 24 total variations

Therefore, according to the multiplication principle, there would be 24 different variations of the car the company could produce.

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The volume of a square pyramid is 15 cubic centimeters. If the height of the pyramid is 5 cm, what is the length of the base edge?

Answers

Answer:

The length of the base edge is 3 cm

Step-by-step explanation:

Volume of square pyramid =[tex]\frac{1}{3}BH[/tex]

Where B = area of square base

H = Height

Let the length of base edge be x

Area of base = [tex]Side^2 = x^2[/tex]

Height of pyramid = 5 cm

So,Volume of square pyramid =[tex]\frac{1}{3}BH=\frac{1}{3} \times x^2 \times 5[/tex]

We are given that The volume of a square pyramid is 15 cubic centimeters.

So,[tex]\frac{1}{3} \times x^2 \times 5=15[/tex]

[tex]x^2 = \frac{15 \times 3}{5}[/tex]

[tex]x=\sqrt[2]{\frac{15 \times 3}{5}}[/tex]

x=3

Hence the length of the base edge is 3 cm

What is the explicit formula for this geometric sequence -6,-18,-54,-162,…

Answers

Answer: an= -6(3)^(n-1)

(B)

Step by step explanation: a1 is -6 and a2 is -18, only B would match the sequence. The only other answer that comes close is -6(-3)^(n-1) but if you multiply -6 by -3 you get 18 instead of -18

escribir dos ejemplos numeros decimales y conviertelos a fraccion?

Answers

Answer:

0.25

0.5

Step-by-step explanation:

[tex]\frac{1}{4}[/tex]

[tex]\frac{1}{2}[/tex]

.25 = 25/100 = 1/4

.50 = 50 /100 = 1/2

Find the student’s error in solving the following inequality.
31 < –5x + 6
25 < –5x
–5 < x

A.) The student should have added 6 to both sides instead of subtracting it.

B.) The student divided 25/–5 incorrectly.

C.) The student should have switched the direction of the inequality sign to get –5> x for a final answer.

Answers

Answer:

The correct option is:

The student should have switched the direction of the inequality sign to get –5> x for a final answer

Step-by-step explanation:

The students has made a mistake in the 3rd step.

We know that when we multiply or divide any negative number on both sides of the inequality, the sign of inequality  reverse its direction.

In step 3 the student divided 25 by -5 but did not  switch direction of the inequality sign.

Therefore the correct option is: The student should have switched the direction of the inequality sign to get –5> x for a final answer

Answer:

C

Step-by-step explanation:

Just did it

Simplify 5m - {2n + [3p - (m + 3n - 7p)]}.
//////

Find the sum of the three expressions and choose the correct answer.

2x2y2 - 7xy + 5y2
8xy - 3y2
x2y2 + 4y2
//////

Answers

Answer:

1st Problem: 6m + n - 10p

Step-by-step explanation:

5m - {2n + [3p - (m + 3n - 7p)]}

5m - {2n + [ 3p - m - 3n + 7p]}

5m - {2n + 10p - m - 3n}

5m - {-n + 10p - m}

5m + n - 10p + m

6m + n - 10p

** I don't understand what you are trying to say in the 2nd problem **

I need help!!
I don’t get it!!

Answers

Answer:

170

Step-by-step explanation:

Angles A M Y and Y M B form a line. Angles Y M B and B M X form a line. Angles X M A and A M Y form a line. Choose each angle to complete the linear pairs. ∠AMY and ∠AMX ∠BMY and ∠BMX and ∠AMX and

Answers

Answer:

AMY

BMY

BMX

Step-by-step explanation:

I took the assignment

Answer:

The answers are : B, B, A

Step-by-step explanation:

RIGHT ON EDG!

THow much will fencing cost to enclose a field that is 725 feet by 1,021 feet if fencing costs $13.57 per foot? $47,386.44 $23,693.22 $10,044.85 $10,044,853.25

Answers

Answer:

$47,386.44

Step-by-step explanation:

Given;

Dimension of the field = 725 feet by 1,021 feet

Length = 1021 ft

Breadth = 725 ft

Cost per foot = $13.57 per foot

Perimeter of the field = 2 × (length + breadth)

Perimeter = 2 × ( 1021 + 725) = 3492 ft

The cost of fencing the field is;

Cost per feet × perimeter

= $13.57 × 3492

= $47,386.44

What is the next number in pattern from 2,9,28,65

Answers

Answer:

126

Step-by-step explanation:

2=1³+1

9=2³+1

28=3³+1

65=4³+1

=>5³+1=126

The rule is: n³+1

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