Estimate the answer by rounding each fraction to the nearest whole number and then subtracting.

Estimate The Answer By Rounding Each Fraction To The Nearest Whole Number And Then Subtracting.

Answers

Answer 1

Answer:

5

Step-by-step explanation:

estimated would be 8 - 3

Answer 2

To solve the problem we must know about fractions.

What is a Fraction?

A fraction is a way to describe a part of a whole. such as the fraction  [tex]\frac{1}{4}[/tex] can be described as 0.25

What is a Mixed Fraction?

A mixed fraction is a fraction that contains a whole number and a fraction whose denominator is greater than the numerator.

The solution to this problem is [tex]5\dfrac{13}{40}[/tex].

Given to us

[tex]8\frac{1}{5}-2\frac{7}{8}[/tex]

Converting the mixed fractions to fraction

[tex]8\dfrac{1}{5}-2\dfrac{7}{8}\\\\=\dfrac{(8 \times 5)+1}{5}-\dfrac{(8\times 2)+7}{8}\\\\=\dfrac{41}{5}-\dfrac{23}{8}\\\\[/tex]

Taking LCM,

[tex]=\dfrac{41\times 8}{5\times 8}-\dfrac{23\times 5}{8\times 5}\\\\=\dfrac{328}{40}-\dfrac{115}{40}\\\\=\dfrac{328-115}{40}\\\\=\dfrac{213}{40}[/tex]

Converting to Mixed Fractions,

[tex]=5\dfrac{13}{40}[/tex]

Hence, the solution to this problem is [tex]5\dfrac{13}{40}[/tex].

Learn more about Fraction:

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Related Questions

Which expression has a value greater than 4^3?

Answers

Answer:

(-3)^4

Step-by-step explanation: We just have to evaluate

So, the only expression that exceeds 4^3 is (-3)^4:

i can you help me build the equation
i can graph it though :)

Answers

Answer:

x + 5y ≤ 30

Step-by-step explanation:

how many solutions are there for 5x=10

Answers

Answer:e

Step-by-step explanation:

which expression is equivalent to 2(x+7)-18x+4/3

Answers

Answer:

do u need to show your work or u just need the answerz

Step-by-step explanation:

Solve x-34=78 find the value of x

Answers

Answer:

112 is the answer

Step-by-step explanation:

to find the value of x, you need to add both the numbers 34 and 78 to find x.

Answer:

x=112

Step-by-step explanation:

x=78+34

(here the 34 passes to the other side, and because it is substracing, you pass it adding)

x=112

How do I find angle A?

Answers

50 + 12x - 7 + 6x + 11 = 180
18x + 54 = 180
18x = 126
x = 7 degrees

Angle A = 6x + 11
Angle A = 6(7) + 11
Angle A = 42 + 11
Angle A = 53 degrees

Angle A (6x +11)  = 53

12x - 7 = 77

Is this a function ?

Answers

no it’s not, hope that helped

what is 5x + 4x
and find the coefficient​

Answers

Answer:

9x

9 is the coefficient

Step-by-step explanation:

5x + 4x

These are like terms (they both have the same variable (x))

5x + 4x = 9x

The coefficient is 9, since it's the number in front of a variable.

Hope this helped!

PLSSSSS HELP I HAVE BEEN STUCK ON THIS FOR THE PAST HOUR!!!!!!!!!!!!!!!!!!!!!!!!!

Take a factor out of the square root and simplify the expression:

[tex]-0.05*\sqrt{28,800}[/tex]

Answers

Answer:

[tex] - 6 \sqrt{2} [/tex]

Step-by-step explanation:

simplify

[tex] \sqrt{28800} [/tex]

to

[tex]120 \sqrt{2} [/tex]

then

-0.05 × 120 = -6

then we have our answer

-6√2

A submarine spots a speedboat on the
surface of the water at a 42° angle of
elevation. The sub and the boat are
separated by a straight line distance of
35 feet. How far beneath the surface is
the submarine traveling?

Answers

Answer:

Ships A and B are 1,425 feet apart and detect a submarine below them. The angle of depression from ship A to the submarine is 59°, and the angle of depression from ship B to the submarine is 47°.

How far away is the submarine from the two ships? Round to the nearest hundredth of a foot.

The distance from ship A to the submarine is about

feet.

The distance from ship B to the submarine is about

feet.

Step-by-step explanation: answer this and ill answer yours.

PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!

Answers

Answer:

Y = 0  , X = - 3/2

Step-by-step explanation:

Answer:

just give the brainliest to him

Step-by-step explanation:

i givvvveeeee brainlilsttttttt

Answers

Answer:

thanks

Step-by-step explanation:

your welcome

the missing exponent 1,728 =12 (?)​

Answers

Answer:

x=144

Step-by-step explanation:

Consider the expression 40+24 Find the greatest common factor of the two numbers and rewrite the expression using the distributive property

Answers

Answer:

Greatest Common Factor of 40+24 is 8

Rewriting the expression using the distributive property we get             8(5+3) =8(5)+8(3)

Step-by-step explanation:

We need to F=find the greatest common factor of the two numbers 40+24 and rewrite the expression using the distributive property

Greatest Common Factor:

The greatest number that is divisible by both numbers is known as greatest common factor.

So, Greatest Common Factor of 40+24 is 8

Now, Taking 8 common we get: 8(5+3)

Distributive property:

It is written as: a(b+c) = ab+ac

So, we have 8(5+3) =8(5)+8(3)

Rewriting the expression using the distributive property we get 8(5+3) =8(5)+8(3)

Juniors will be hosting prom this year. They will need to make at least $ 4000 in profits from selling tickets. The juniors estimate there can be at most 600 students that can attend prom because of the size of the venue. They will profit $ 20 for each ticket sold in advance and $ 40 for each ticket sold at the door. Name your variables, and write a system of inequalities.

Answers

I need this answer too can someone please help us out with the right answer ?!

Explanation : ?

What is the slope for y = -4x -8

Answers

Answer:

The slope is -4

Step-by-step explanation:

Answer: -4

-4 is the slope because in the equation y=mx+b, m represents the slope.

hope this helps :)

Cat behavior: A report stated that the average number of times a cat returns to it's good bowl during the day is 37. Assuming the variable is normally distributed with a standard deviation of 3, what is the probability that a cat would return to it's dish between 34 and 39 times a day. Use the graphing calculator. Round the answer to four decimal places.
P (34<X<39) =?​

Answers

Answer:

P (34<X<39) = 0.5899

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

[tex]\mu = 37, \sigma = 3[/tex]

What is the probability that a cat would return to it's dish between 34 and 39 times a day.

This is the pvalue of Z when X = 39 subtracted by the pvalue of Z when X = 34. So

X = 39

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{39 - 37}{3}[/tex]

[tex]Z = 0.67[/tex]

[tex]Z = 0.67[/tex] has a pvalue of 0.7486

X = 34

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{34 - 37}{3}[/tex]

[tex]Z = -1[/tex]

[tex]Z = -1[/tex] has a pvalue of 0.1587

0.7486 - 0.1587 = 0.5899

So

P (34<X<39) = 0.5899

Pls help I need a good grade

Answers

Answer:

y=3/2x

Step-by-step explanation:

Slope is 3/2 and starts at the origin.

I NEED HELP IMMEDIATELY!!!!
I am doing this for math homework and don't know if these equations are proportional or not!

25 points available!

Answers

Answer: Looks Proportional

Answer:

The first one is proportional but the second one is not proportional

Step-by-step explanation:

Hope this helps!

They have an opportunity to buy 50 acres adjacent to their farm for $800 per acre. In the past, the price of farmland has gone up 3% a year. If this continues, how long will it be before the land is worth at least $1000 per acre?

Answers

Answer:

About 8 years

Step-by-step explanation:

3% of $800 is $24

$24 x 8 is $192 add that to the $800 and you get $992

The table shows the amount of gasoline g (in gallons) left in your tank after you travel m miles.

Miles, m Gallons, g
0 20
20 19
40 18
60 17
A) Write a linear function that relates the amount of gasoline to the traveling distance.

B) How many gallons of gasoline are left after you drive 120 miles?

Answers

Answer:

A) [tex]y=-\frac{1}{20}x+20[/tex]

B) 14 gallons of gasoline

A linear function that relates the amount of gasoline to the traveling distance is : y = - (1/20)x + 20 and the gallons of gasoline left after you drive 120 miles will be 10 gallons.

What is a mathematical function, equation and expression?function : In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function.expression : A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.equation : A mathematical equation is used to equate two expressions.equation modelling : Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis and results of the given problem

Given is a table shows the amount of gasoline [g] (in gallons) left in your tank after you travel [m] miles.

The given table is -

Miles [m]    Gallons [g]

  0                 20

 20                19

 40                18

 60                17

We can write the linear function as -

y = mx + c

We can write the slope as -

m = {(19 - 20)/(20 - 0)}

m = (- 1/20)

At [x] = 0, then [y] = 20. So, the equation will be -

y = (-1/20)x + 20

y = - (1/20)x + 20

At [x] = 120 miles -

y(120) = (-1/20 x 200) + 20

y(120) = - 10 + 20

y(120) = 10 gallons

Therefore, a linear function that relates the amount of gasoline to the traveling distance is - y = - (1/20)x + 20 and the gallons of gasoline left after you drive 120 miles will be 10 gallons.

To solve more questions on functions, expressions and polynomials, visit the link below -

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Create a dot plot for the given set of data.

1 2 2 3 3 4 4 4 4 5 5
5 5 6 6 6 6 7 7 8 8 8

Answers

hope this helps. let me know if you can see what i have attached.

The box- plot is attached below.

What is dot- plot?

Data points are represented as dots on a graph with an x- axis and y-axis in a dot plot, sometimes referred to as a strip plot or dot chart, which is a straightforward type of data visualisation. These kinds of graphs are employed to visually represent particular data trends or groupings.

Given:

1 2 2 3 3 4 4 4 4 5 5

5 5 6 6 6 6 7 7 8 8 8

Now, 1 Appears 1 time

2 Appears 2 time

3 Appears 2 time

4 Appears 4 time

5 Appears 4 time

6 Appears 4 time

7 Appears 2 time

8 Appears 3 time

Learn more about dot- plot here:

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for what value of the variable the value of the expression 4(5x-8) is 4 more than the value of the expression 2(4-x)

Answers

Answer:

For x=2, the expression 4(5x-8) will be 4 more than the expression 2(4-x)

Step-by-step explanation:

Given expressions are;

4(5x-8) and 2(4-x)

For 4 more than the second expression, we will add 4 with second expression.

4(5x-8) = 2(4-x) + 4

20x - 32 = 8 -2x +4

20x + 2x = 12 + 32

22x = 44

Dividing both sides by 22

[tex]\frac{22x}{22}=\frac{44}{22}\\x=2[/tex]

Hence,

For x=2, the expression 4(5x-8) will be 4 more than the expression 2(4-x)

What is the value of 599 x (400+37)?

Answers

Answer:

261763

Step-by-step explanation:

599*437

=261763

9
Are the expressions below equivalent? How do you know?*
(3 Points)
8x + 16 versus 4(2x + 4)
Enter your answer

Answers

Answer:

Step-by-step explanation:

these expressions are equivalent

4(2x+4)= 8x+16 after multiplying 4 with 2x+4

Answer:

yes

Step-by-step explanation:

Yes. If I substitute a number for x, the result is the same.

if three distinct numbers have a sum of 10 and a product of 20, what is their median

Answers

Answer:

gfdsgfds

Step-by-step explanation:

fdgdsf

What type of table has the largest area

Answers

Answer:

The Rectangular Table Has The largest area of 1460 in^2

Solve for y in the equation C = 5x² +y

Answers

Answer:

y=C-5x^2

Step-by-step explanation:

Engineering The equation for the cross section of a spotlight is y+5= 1/2x^2.

measured in inches. The bulb is located at the focus. How far is the bulb from the

Vertex of the cross section?

Answers

Answer:

[tex]p=1/2\ or\ 0.5\ inches[/tex]

Step-by-step explanation:

From the question we are told that

Equation of cross section is [tex]y+5= \frac{1}{2x^2}[/tex]

Generally the equation can be rewritten mathematically as

  [tex]y+5= \frac{1}{2}x^2[/tex]

  [tex]x^2=(y+5)2[/tex]

  [tex](x-0)^2=(y-(-5))2[/tex]

Generally the equation of a parabola with vertical axis is mathematically given by

[tex](x - h)2 = 4p(y - k)[/tex]

Therefore  comparing equations

[tex](x-0)^2=(y-(-5))2[/tex]

[tex]4p=2[/tex]

[tex]p=2/4[/tex]

The distance from the bulb to the vertex of the cross section is given by

[tex]p=1/2\ or\ 0.5\ inches[/tex]

Plot A shows the number of hours ten girls watched television over a one-week period. Plot B shows the number of
hours ten boys watched television over the same period of time.
Television Viewing Hours for a One-Week Period
Plot A
O
0 1 2 3 4 5 6 7
8
9 10
Plot B
0 1
2
3 4 5
7
8 9 10
Which statement compares the shape of the dot plots?
Mark this and return
Save and Exit
Sun

Answers

Answer:

I think its B

Step-by-step explanation:

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