Mathematics Middle School

1. Which expression shows the distance on the number line between −14 and −5 ?
|−5−14|
|−14+(−5)|
|−14−5|
|−14−(−5)|

2. Which expression is equivalent to 5.9−3.8 ?
−3.8−5.9
3.8−5.9
3.8 + 5.9
−3.8+5.9

Answers

Answer 1

Answer: I don’t know number one but number 2 is the last one

Step-by-step explanation: Do the math in a calculator

Related Questions

The table shows the distances and times that four rowboats traveled. Which rowboat was the fastest?

Answers

you must add a table for this to be answered

Answer:

Rowboat C traveled the fastest.

Step-by-step explanation:

Hope this helps and please mark Brainliest!

There is a special at the store: $34 for 7 roses. Harry is trying to figure out if it's a good deal. Help Harry figure out the unit price (round to 2 decimal places)

Answers

34 roses ÷ 7 dollars = $4.86/rose
Hello there,
7 roses= $34
1 rose= $34 / 7
          = $4.857142857(this is what I got from the calculator)
          = $4.86(to 2 decimal places)
I hope this helps

~Top

If a player always gets three cards, describe two different ways to recieve a score of 7.

Answers

Answer:

1 + 3 + 3 = 7

5 + 1 + 1 = 7

Step-by-step explanation:

If a player have the three cards. Each card will have a number and we have to find the numbers on each card that total 7.

Let card 1 gets 1

Then other two cards may have 3 and 3

So, 1 + 3 + 3 = 7

Now we take another combination which totals 7

5 + 1 + 1 = 7

Therefore, there may be two different ways are

1 + 3 + 3 = 7

5 + 1 + 1 = 7

what is the solotion to the equation 1/3(3+2x) -1=10

Answers

SOLVING:

[tex] \dfrac{1}{3}(3+2x)-1=10\\ \\ \dfrac{3}{3}+ \dfrac{2x}{3}-1=10\\ \\1+ \dfrac{2x}{3}-1=10\\ \\ \dfrac{2x}{3}=10\\ \\2x=3(10)\\ \\2x=30\\ \\x= \dfrac{30}{2}\\ \\x=\boxed{ \boxed{15}}\ ===>\ The\ great\ answer.[/tex]

TESTING:
[tex] \dfrac{1}{3}(3+2(15))-1=10\\ \\ \dfrac{1}{3}(3+30)-1=10\\ \\ \dfrac{1}{3}(33)-1=10\\ \\ \dfrac{33}{3}-1=10\\ \\11-1=10\\ \\\boxed{10}=\boxed{10}\quad\checkmark\ Correct.[/tex]
GOOD LUCK...!!!

During Tracy’s trip across the country , she traveled 2884 miles . Her trip took

Answers

it could have took a day or a million. there isn't enough info
there isn't enough info for us to answer

I need help on 4, 5, and 6

Answers

4. The LCD is 10 * 11 = 110

7/11 - 3/10 = 70/110 - 33/110 = 37/110

5. The LCD is 24

11/12 - 1/8 = 22/24 - 3/24 = 19/24

6. The LCD is 20

15/20 - 1/5 = 15/20 - 4/20 = 11/20

A spinner is separated into 3 equal pieces, as shown below: A spinner is shown with three colors, red, yellow, and purple, marked on it. The arrow points towards the red color. Mary spins the spinner 6 times. What is the theoretical probability that it stops on the red sector on the last spin?

Answers

The chances of spinning on red is 1/3 all the time, because it's separated into 3 colors.
If he spins it six times, 6/20 is the chance he will spin red. Which that lowers to 1/3.

The theoretical probability that it stops on the red sector on the last spin is 1 by 3.

Calculation of the  theoretical probability:

Since A spinner is separated into 3 equal pieces. A spinner is shown with three colors, red, yellow, and purple, marked on it. Mary spins the spinner 6 times.

So, the theoretical probability is

Probability= Successful outcome ÷ Possible outcome

= 1÷3

Therefore, The theoretical probability that it stops on the red sector on the last spin is 1 by 3.

Learn more about probability here: https://brainly.com/question/24442276

What is 156.16 divided by 8

Answers

The answer is:19.52.

Hopefully this has helped! :)
 The answer is 19.52. You can show your work by using long division

Part A: Using the graph above, create a system of inequalities that only contains points D and F in the overlapping shaded regions. Explain how the lines will be graphed and shaded on the coordinate grid above. (5 points)

Part B: Explain how to verify that the points D and F are solutions to the system of inequalities created in Part A. (3 points)

Part C: Chickens can only be raised in the area defined by y > 2x − 2. Explain how you can identify farms in which chickens can be raised. (2 points)

Answers

For part A, we want two inequalities that have F and D as solutions, but none of the other points. The easiest way to do this is construct two lines that pass through the origin, and then figure out which way the inequalities need to face based on the points we want to include. Our lines will be:
[tex]y=\frac{-3}{2}x[/tex]
[tex]y=2x[/tex]

The first line intersects F and the second line intersects D, so we need to figure out which way to point the inequalities so both include the point they do not intersect:
[tex]4 \geq \frac{-3}{2}*2[/tex]
[tex]3 \geq 2*(-2)[/tex]

So our system is:
[tex]y \geq \frac{-3}{2}x[/tex]
[tex]y \geq 2x[/tex]

Part B: To verify, plug in the x and y values for D and F and verify that it creates true statements in the system.

Part C: You can plug in the different x, y values for the points. The points which create true statements identify farms where chickens can be raised, while those which create false statements cannot raise chickens.

Rita ran 5 miles in 48 minutes .What was her time per mile?

Answers

Her time per mile is 9 min 60sec.

I figured this out by dividing 48 by 5.

I hope this helped! :))

expand and simpilify

(3x-2)^2-(x+6)(x-8)

Answers

=(3x)^2-(8+6)(x-8)
=3^22^2-(x+6)(x-8)
=9x^2-(x+6)(x-8)
=9x^2-x^2+2x+48
=8x^2+2x+48
(3x-2)^2-(x+6)(x-8)
= 9x^2 - 12x + 4 -(x^2 +6x -8x - 48)
= 9x^2 - 12x + 4 - x^2 + 2x + 48
= 8x^2 - 10x + 52

hope it helps

Is 4.25 a rational number integer or whole number??

Answers

4.25 is a rational number integer.

4.25 is a rational number

A rational number is a number that can be expressed as a fraction of two integers

Examples of rational numbers are , [tex]\frac{1}{4} \frac{2}{3}[/tex]

4.25 can be rewritten as [tex]4\frac{1}{4}[/tex]

An integer is a number without fractions or decimals

For example, integers are 2, - 1000

A whole number is a number that is a positive integer. It does not include negative numbers, fractions or decimals.

Examples are 1, 2, 10

To learn more about rational numbers, please check: brainly.com/question/15815501?referrer=searchResults

GIVEN: ab perpendicular to BC AND DC PERPENDICULAR TO BC
AC = BD
PROVE:AB =DC

Proofs

Answers

Let's take a look at the triangles ABC and DCB

1. angles : B=C=90° because they are right triangles (AB perpendicular to BC and DC perpendicular to BC)

2. AC=BD (given)
3. BC is in common (the two triangles have it, you can say it like BC=BC)

So we proved that by SAS(side angle side), the triangles are congruent ABC= DCB

Since the triangles are congrueny, all their sides are equal so we can say that AB=DC

Answer with Step-by-step explanation:

We are given that AB is perpendicular to BC and DC perpendicular to BC.

AC=BD

We have to prove that AB=DC

In triangle ABC and triangle DCB

AC=BD  (Given)

[tex]\angle B=\angle C=90^{\circ}[/tex]

[tex]BC=BC[/tex]

Reason:Reflexive property

[tex]\triangle ABC\cong \triangle DCB[/tex]

Reason:RHL postulate

[tex]AB\cong DC[/tex]

Reason:CPCT

Therefore, AB=DC when two sides are congruent then the sides are equal.

Hence, proved.

8439 divided by 245 with remainder

Answers

How many times does 245 go into 8?  none.
                                                 into 84?  none.
                                                 into 843?  3

So the first digit of the quotient is 3.  Mult. 245 by 3, getting 735.  Subtr. this amount from 843.  Result:  108.  How many times does 245 go into 108?
none.  Bring down a zero, forming 1080.  How many times does 245 go into 1080?  4, with remainder  100.  And so on.

Please try doing this problem yourself, by hand.

        ________________
245 /  8439.00
         -735
         ----------------

Can you finish this?  Note that 843-735 is 108.  Bring down a zero now, to form 1080.  show your work.

Answer:

The remainder of 8439 divided by  245 is 109.

Step-by-step explanation:

Given two numbers as 8439 and we have to divide it by 245.

That is , Dividend = 8439

               Divisor = 245

Solution:

Using division algorithm,

Dividend = ( Divisor * Quotient )+Remainder

8439 = (245*34)+Remainder

8439 =8330+Remainder

Taking 8330 to other side to find the remainder, we have

8439 -8330 = Remainder

109 = Remainder

Thus The remainder of 8439÷245 is 109.

What can 16 over 49 be simplified to?

Answers

16/49 cannot be simplified anymore

it is 0.326531 in decimal form

hope this helps
16
—— = 0.32653
49

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

{3y≤2x+62x+y>0

Answers

The graph representing the solution set of the system of inequalities is attached.

we have

[tex]3y\leq 2x+6[/tex] ---> inequality A

[tex]2x+y > 0[/tex] ---> inequality B

using a graphing tool

see the attached figure

The solution is the shaded area

the answer in the attached figure


8) It costs a band $8 per T-shirt produced. At a small festival the band gives away 10 T-shirts, and sells others for $20 each. Their total T-shirt-related profits (taking into account those they gave away) is $304, how many T-shirts did the band sell?

Answers

if the t-shirts cost $8 to make, and the band sells them for 20$ they make a profit of $12 a shirt. 

if after the concert, their profit is 304$ then I believe the way to solve it would be 304/12 which equals 25.3
However, they did not make a profit off of the 10 shirts that they gave away. 10*12 equals 120
304-120 equals 184 
184/12 equals 15. 
Your answer should be either 25 or 15
32 T-shirts. First, let's make an expression to handle the situation. "costs $8 per T-shirt produced" p = -8n "gave away 10 T-shirts" p = -8(n+10) "sells others for $20 each." p = -8(n+10) + 20n "total T-shirt-related profits is $304" 304 = -8(n+10) + 20n Now solve for n 304 = -8(n+10) + 20n 304 = -8n - 8*10 + 20n 304 = - 80 + 12n 384 = 12n 384 = 12n 32 = n So the band sold 32 T-shirts.

Which statement is true?

A)
0.4 is less than 0.07 because 4 is less than 7.
Eliminate

B)
0.4 is less than 0.07 because 40 is less than 70.


C)
0.4 is greater than 0.07 because 70 is greater than 40.


D)
0.4 is greater than 0.07 because 40 is greater than 7.

Answers

D) 0.4 is greater than 0.07 because 40 is greater than 7

$6,285÷y=700 y is about

Answers

y is about 8 or 9





hope i help
The answer is about 8 or 9

help me divide y over x??

Answers

x and y would be 1/1 or 1
It would also need too be simplified too 1 whole

math question down below

Answers

(a)
3
1
5
2
3
9
1
-1
-1
Total: 22

(b) The actual total is $21.77 which rounds to $22, the same as the estimate, so the estimate is reasonable.
You are to round off all the dollar amounts given, and then to estimate the total bill using these rounded off figures.

So:  add up $3, $1, $5, $2, $3, $9, $1, -$1, -$1

Compare your result to the register sum, $21.77.

How close was your estimate to $21.77?  Justify your answer.

tyler can shovel the driveway in 2 hours. dakota can complete the job in 90 minutes. if they work together, how long will it take

Answers

it would take 1minute and 10 seconds to complete the job because you have to subtract 2hours (2:00) by 90seconds (0:90)

Danielle has a CD at crossland bank. she invest $22,350 for four years at 4.55% interest. compounded monthly. What is her ending balance? How much interest did she make?

Answers

$22,350 x 4.55% = $1,016.925 (interest per year)

$1,016.925 x 4 = $4,067.70 (amount of interest earned over 4 years)

$22,350 + $4,067.7 = $26,417.70 (ending balance)

Answer: Her ending balance is $26,703.837 and her interest is $4,353.837

Step-by-step explanation:

First year,

p =22350 R = 4.55 T = 1

Interest = PRT/100

= 22350 × 4.55 × 1 / 100

=$1016.925

P = $22350 + $1016.925 = $23366.925

For the 2nd year,

I = $23366.925 × 4.55 × 1 / 100

=$1063.195

p= $23366.925 + $1063.195 = $24,430.12

For the 3rd year,

I = $24,430.12 × 4.55 × 1 / 100

= $1111.57

p = $24,430.12 + $1111.57 = $25,541.68

For the 4th year;

I = $25541.68 × 4.55 × 1 / 100

= $1,162.147

P = $ 25541.69 + $1,162.147 = $26,703.837

Therefore th ending balance is $26,703.837

Her compound interest is , $26,703.837 - $22350 =$4,353.837

Two events, X and Y, are independent of each other. P(Y) = 5/6 and P(X and Y) =1/3 . What is P(X) written as a decimal?

Answers

P(Y) = 5/6
Since they are independent, P(X & Y) = P(Y) * P(X)
Therefore:
1/3 = 5/6 * P(X)     Change 1/3 to 2/6, then multiply both sides by 6/5
2/6 * 6/5 = P(X)    
2/5 = P(X)
Written as a decimal, P(X) = .40 

Someone please help me find this

Answers

the perimeter is.just.the.sides.added.up
6+6+20+28=60
for the area add up the area of the rectangle 20(5)=100 plus the areas of the triangles 4(5)=20

total area = 120

What is 763 thousandths in scientific notation?

Answers

7.63 ^-10!!!!!!!!!!!!!!!!!!!!!!!!

Alice serote the prime factorization of 40 as 2x2x4x5. is she correct? if not what is the prime factorization of 40? explain

Answers

No the answer is 2×2×2×5

Answer:

2.2.2.5

Step-by-step explanation:

Which expression is equivalent to −2.6+(−2.9)+(−7.1) ?

Answers

−2.6−2.9+7.1

=−5.5+7.1

=1.6


Answer:

-12.6

Step-by-step explanation:

To evaluate the given expression

-2.6+(−2.9)+(−7.1, first we will open out the brackets and multiply the signs. Before that, we must take note of the following sign operations

-×- = +

-×+ = -

+×- = -

+×+ = +

The equation above becomes;

-2.6-2.9-7.1 (all the signs are now minus since the product of plus and minus sign gives a minus sign)

(-2.6-2.9)-7.1

= -5.5-7.1

= -12.6

Since all the values in the equation are negative values, our resulting answer will be a negative value.

Your office manager has given you a budget of $30,000 to replace the old computers in your office with new ones. Each new computer will cost $550. You make a quick count and determine that 15 computers will need to be replaced. How much money will be left (per week) for the next six weeks?

Answers

1) 550 x 15 = 8250 (First you want to get the total cost of the computers)

2) 30,000 - 8250 = 21,750 (Then you want to subtract that by 30,000 to see how much money is left over)

3) 21,750/6 = 3625 (Then divide by 6 ,by the weeks, and get your answer)

Answer: $3625

In a recent year, the population of California was about 2.52 x 10^7 people. Its land area is about 4.05 x 10^5 km^2. What was the average number of people per square kilometer? Write your answer in scientific notation.
PLEASE I NEED HELP ASAP!!!!!!!!!!!!

Answers

in scientific notation it would be 1.640502 × 10^11

The average number of people per square kilometer in California is [tex]6.22 \times 10^1.[/tex]

To find the average number of people per square kilometer in California, we divide the total population by the land area.

Given:

Population of California = [tex]2.52 \times 10^7[/tex] people

Land area of California = [tex]4.05 \times 10^5 km^2[/tex]

Calculate the population density.

Population density = Population / Land area

Population density = [tex](2.52 \times 10^7) / (4.05 \times 10^5) people/km^2[/tex]

Divide the numbers and simplify.

Population density = (2.52 / 4.05) x 10^(7-5) people/km^2

Population density = [tex]0.622 \times 10^2 people/km^2[/tex]

Rewrite in scientific notation.

Population density = [tex]6.22 \times 10^1 people/km^2[/tex]

So, the average number of people per square kilometer in California is [tex]6.22 \times 10^1[/tex].

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