What is a reasonable estimate for the subtraction equation 2.9 – 1.2 = ________ when you round each number to the nearest whole number?

Answers

Answer 1

Answer:

2

Step-by-step explanation:

I took 2.9 rounded it to 3

then 1.2 rounded to 1

and 3-1=2

Answer 2

Answer:

2

Step-by-step explanation:

You would round 2.9 up to 3, and then round 1.2 down to 1.

3 - 1 = 2


Related Questions

Raven plans to increase the price of each item in her store by 10%. Which the following sets of steps could Raven use to find the new price of each item. Place a checkmark in the box next to each correct set of steps.

A. Multiply the price of each item by 10%
B. Multiply the price of each item by 1.1
C. For each item, multiply its price by 0.1 and then add that product to the original price of the item.
D. Multiply the price of each item by 0.9
E. For each item, divide the price by 10 to find 10% of the item and then multiply that quotient by 11 to find 110% of the origional price.

Answers

Answer:

Step-by-step explanation:

B is correct as 1.1 = 110%

C is correct as adding (0.1 multiply original price) = 1.1 = 110%

E is correct as dividing original price by 0.1 then multiplying by 11 = 1.1 = 110%

Correct Answer: B, C

Choice A only finds the amount that is increased by, not the new price

Choice D is if the original price is discounted by 10%

The second part of Choice E does not make sense

Basically, here is how you find the new price:

Let the original price be x.

New Price = x * (1 + 10%) = x * (1 + 0.1) = x * 1.1

What is the product of 7 Over 9 and One-fourth?
7 Over 36
8 Over 36
7 Over 13
8 Over 13

Answers

Answer:

7 over 36

Step-by-step explanation:

You just multiply side by side

Answer:

[tex]\frac{7}{36}[/tex]  7/36

Step-by-step explanation:

in order to find the product of 2 fractions you need to first make sure that they both have common denominators. in order to find the common denominators you need to find the LCM (lowest common multiple) of the two denominators

so 7/9 and 1/4 the lcm of 9 and 4 is 36

[tex]\frac{7}{9}[/tex] x 4 = [tex]\frac{28}{36}[/tex]     [tex]\frac{1}{4}[/tex] x 9 = [tex]\frac{9}{36}[/tex]    28/36 x 9/36 = 28 x 9 = 252/36 = 7 /36        

hope that helps :)

Write the equation of the line with slope 1 and y-intercept 5.

Answers

Answer:

Slope intercept form;

y = mx b

where y is the dependent variable and x is the independent variable

m is the slope

and b is the y - intercept

So if we just plug in what we have;

Slope of 1x and a y - intercept of 5, we would get:

y = 1x + 5

Y=1x+5 is gonna be your answer

Which sequences of transformations confirm the congruence of shape II and shape I?

a reflection of shape I across the x-axis followed by a 90° clockwise rotation about the origin

Answers

Answer and Step-by-step explanation:

A reflection of shape I across the y-axis followed by a 90° clockwise rotation about the origin

The sequence of transformations stated is correct.

First, the shape will be reflected across the y-axis. So essentially, make all the x-value points the opposite (turn positive values to negative, and negative values to positive; in this case, turn the positive x-values to negative x-values.)

Then, you rotate the figure 90 degrees counterclockwise (going up, not to the right on the graph, like how the minute and hour hand move around the clock.) The points will line up with shape II.

#teamtrees #PAW (Plant And Water)

I hope this helps!

Your favorite amusement park has two options. Option 1 charges an entrance fee of $55.00 plus $2.00 for each ride you go on. Option 2 charges an entrance fee of $15.00 plus $6.00 for each ride you go on. For what number of rides would the two options cost the same amount?

Answers

Answer:

10 rides

Step-by-step explanation:

x = number of rides

Option 1 = $55 + $2x

Option 2 = $15 + 6x

Ride #1 - Option 1 = $57 Option 2 = $21

Ride #2- Option 1 = $59 Option 2 = $27

Ride #3-  Option 1 = $61 Option 2 = $33

Ride #4- Option 1 = $63 Option 2 = $39

Ride #5- Option 1 = $65 Option 2 = $45

Ride #6- Option 1 = $67 Option 2 = $51

Ride #7- Option 1 = $69 Option 2 = $57

Ride #8- Option 1 = $71 Option 2 = $63

Ride #9- Option 1 = $73 Option 2 = $69

Ride #10- Option 1 = $75 Option 2 = $75
The answer is 10 rides to cost the same amount

1. -6(x + 2) - 2

2. -3 - 7(-3 - 6v) *

3. -5(a - 6) + 2a *

4.-5(1 + 2k) - 8(-4 + 5k) *

5. 5(-3p + 7) + 5(p - 1) *

6. -5(x + 2) + 5(x - 5) *

7. 4(3x + 7) - 5x *

8. __3x - 2(-4x + 5) *

9. 8 + (2x – 1)7 *

10. -4(3n – 5) – 7n *

Answers

Answer:

He looks like he answered the question

Step-by-step explanation:

1. -6x-14
2.
3. -3a-30

You are having a pizza - making party.
You will need 6 ounces of dough and 4 ounces of sauce for each person ( including yourself, the host ) .
Once you have a total count of guest, you buy exactly the needed amount of all the ingredients . The dough and sauce that you buy weigh 130 ounces all together.
1. How many ounces of dough did you buy?
2. How many ounces of sauce did you buy?
3. Num. Guest 0ω0
Worth 10 points . . .

Answers

Answer:

12 guests(13 including yourself), 78 ounces of dough, and 52 ounces of sauce.

Step-by-step explanation:

So what you want to do is to first add up the dough and the sauce which is 10. then you want to divide 130 by 10 and you get 13(130/10=13) Now we subtract 1 from 13 and that how many guests you have which is 12. now we time 6 by 13 which is 78(6*13=78) so 78 ounces of dough. Now we time 4 by 13 and we get 52(4*13=52) so 52 ounces of sauce. Now to make sure it's right we need to add 78 and 52 together and we get 130(78+52=130) And that's all

Pls give brainliest

12 guest(13 including yourself is correct)

NEED HELP ASAP!!!! WILL MARK BRAINLIEST

Use point-slope form, y - y1 = m(x - x1), to find the linear equation of a line that passes through the points
(2, -1) and (10, 7).


y = _x+ _

Answers

Answer: y = 1x -3

The 1 is not necessary so

y= x - 3

Step-by-step explanation:

(y- y1) = m(x -x1). First

Substitute y and x-values from the given coordinates and solve for x.

7-(-1)=m(10-2)

8 = m(8) 8/8=1 T

m= 1 The slope, m is 1

Then substitute values of y and x from either given coordinate into the equation and solve for b, the y-intercept.

y=mx+b

-1= 1(2)+b

-1=2+b subtract 2 from both sides.

-1-2 = b

-3 = b

OR

7= 10 + b

-10 +7 = b

-3 = b

Finally, write the equation with the values for m and b

y = 1x +(-3) Simplify & Rewrite

y= x - 3

y=1x-3


cfhswrjhsisjbrvrf

The equation y = 16.50x describes the amount of money Joey earns, where x is the number of hours he works and y is the amount of money he earns.
The table shows the amount of money Kaylee earns for different numbers of hours worked.
Kaylee’s Earnings
Time (h) 2 5 8 10
Money earned ($) 39 97.50 156 195
(a) How much money does Kaylee earn per hour? Show your work.


(b) Who earns more per hour? Justify your answer.

Answers

Answer:

(a)19.5 per hour

(b)Kaylee earns more per hour.

Step-by-step explanation:

a.) To find the unit rate/hourly rate :

39÷2=19.5 per hour.

b.)Kaylee eanrs more considering that Joey earns 16.50$ per hour as opposed to 19.50$ per hour.

Answer:

(a) Kaylee earns $19.50 per hour.

(b) Kaylee earns more money per hour than Joey.

Step-by-step explanation:

x = # of hrs. worked

y = amount of money earned

Joey:

y = 16.50x

Kaylee:

Time (h) 2, 5, 8, 10

Money earned ($) 39, 97.50, 156, 195

y = mx + b; Slope (m) = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]

We will be using: (2,39) and (8,156) to find the slope of this table.

[tex]m=\frac{y_2-y_1}{x_2-x_1} \\\\m=\frac{156-39}{8-2} \\\\m=\frac{117}{6} \\\\m=19.5[/tex]

y = mx + b

y = 19.5x + b

I will be using (2, 39) to find the value of b

(2, 39)

y = 19.5x + b

39 = 19.5(2) + b

39 = 39 + b

-39  -39

0 = b

y = 19.5x + b ==> y = 17.7x + 0 =  OR  y = 19.5x (since the value of b is 0)

(a) The question wants us to find out how money Kaylee earns per hour. Recall that x = # of hrs. worked and y = amount of money earned.

y = 19.5x

She earns $19.50 per hour.

(b)

Joey: y = 16.50x (earns $16.50 per hour)

Kaylee: y = 19.5x (earns $19.50 per hour)

As you can see, Kaylee earns more money per hour than Joey.

Hope this helps!

Jess is mailing a jewelry box with sides that are 8 inches long. What is the volume of the shipping box?

Answers

Answer:

48 inches

Step-by-step explanation:

the box has 6 sides so 8 x 6

Answer: 48

Step-by-step explanation: 48

The length of a cell phone is 1.8 inches and the width is 4.8 inches. The company making the cell phone wants to make a new version whose length will be 1.62 inches. Assuming the side lengths in the new phone are proportional to the old phone, what will be the width of the new phone?

Answers

Answer: 4.32 inches

Step-by-step explanation:

OLD PHONE:

L= 1.8 inches

W= 4.8 inches

NEW PHONE:

L= 1.62 inches

W= ?

1.62÷1.8=0.9

4.8x0.9= 4.32

I hope this is correct!!

Clare spins the spinner on the right. She noticed it landed on red 5 times. What is the probability that it lands on red on the next spin?

Answers

1/4

Explanation - Even though it landed 5 times previously it doesn’t matter because the probability of red being landed on again is 1/4. There are 4 spaces and in those one red
The probability is no different because red is 1/4 times

Fill in the blank:

Percent error = ( ______?_______ / correct amount) x 100

Answers

Answer:

formula is

percentage error = (l accepted value - experimental value/accepted value ×100

Step-by-step explanation:

/ means divide

×100 to get the percentage

think this is right and hope it helps

It’s over a thousand

Pierre received a parking ticket with an original fee of $22.00. Each month that he failed to make payment, fees of $7.00 were added. By the time he paid the ticket, his bill was $36.00. What was the ratio of fees to the cost of the ticket?

Answers

Answer:

7:11

Step-by-step explanation:

7 for the dollars and 11 for each month because the first month, he doesn't get a $7 fee

What is the surface area of a cube that has a side length of 2.2 meters?

Use the formula S A = 6 s squared, where SA is the surface area of the cube and s is the length of each side.
A 13.2 Meters squared
B 26.4 Meters squared
C 29.04 Meters squared
D 174.24 Meters squared

Answers

Answer:

the answer is c 29.04 meters squared

Step-by-step explanation:

first you multiply 2.2 by 2.2 to get 4.84 then you multiply that by 6 to account for all of the faces

29.04 thiss iss thee ansswerr

PLS!! HELP ASAP I WILL GIVE BRAINLIEST. write the correct answer
pic is not blurry not excuses

Answers

Answer:

there is more spread in the math one

the answer is "there is more spread in the math one"

The figure below is divided into 100 small squares of equal size.
How much of the figure is shaded?
Give the amount as a fraction and as a decimal.

Answers

60/100 / 60 are shaded out of the hundred. Simplified would be 3/5. The decimal would be 0.6.

Answer:

Fraction: 6/10 Decimal: 0.6

Step-by-step explanation:

There are 100 blocks and 60 are shaded. If you take the last zero off of both numbers you get 6 and 10. The larger number is the denominator because the denominator is always larger otherwise its an improper fraction. That leaves the 6 as the numerator so there is your fraction. Next, just convert it into a decimal as you're done!

The quiz grades for ten students were used to make the box plot shown above. Which of the following is the median quiz grade?

A.

81

B.

95

C.

57

D.

71

Answers

Answer:

81

Step-by-step explanation:

please help me with this!

Answers

Answer:

18/50 or 9/25

Step-by-step explanation:

so first you add all the info

15 + 18 + 9 + 8

this will be your denominator

50

50 balloons in total

now just put 18/50 because you are looking for the probability of yellow balloons  

Answer:

C. 9/25

Step-by-step explanation:

Total number of drawings of balloons = 15 + 18 + 9 + 8 = 50

Number of times a yellow balloon was chosen = 18

p(choosing yellow balloon) = 18/50 = 9/25

Answer: 9/25

Can someone plsssss help

Answers

Answer:

12

Step-by-step explanation:

a2 +b2 = c2

a2 + 9 2 = 15 2

a2 + 81 = 225

     - 81    - 81

a2 = 144

 a = 12

A=12 I hope this helps and this is definitely correct

Substitute w = 1 and w = 3 to determine if the two expressions are equivalent.

4 (3 w + 4) 16 w + 12

Which statements are true? Check all that apply.
A The value of both expressions when w = 1 is 28.
B The two expressions are equivalent.
C The value of both expressions when w = 1 is 16.
D The two expressions are not equivalent.
E The value of both expressions when w = 3 is 52.
F The value of both expressions when w = 3 is 60.

Answers

The answer is A and D

Alma was given some money as a gift and deposited it into a savings account. She makes a withdrawal of the same amount at the end of each month. At the end of the 5th month, her balance was $442. At the end of the 13th month, her balance was $226.

What is the input?
O- the monthly withdrawal
O- the number of months
O- the balance of the account
O- the starting amount in the account

What is the output?
O- the monthly withdrawal
O- the number of months
O- the balance in the account


What are the two points described in the real-world scenario?
O- (442, 5) and (226,13)
O- (5, 226) and (13, 442)
O- (5, 442) and (13, 226)
O- (442, 13) and (226. 5)

Answers

Answer:

input= starting amount

output= withdrawals

(5,442) and (13,226)

Step-by-step explanation:

for input its what you put in the account for output its for what you take out.

And for the two points it the months first then you put how much money was left .

Hope this helps!

Put the numbers in order from least to greatest.


Btw the 3rd number is NOT 11/3. It is Pi/3
Also, the numbers with lines on top of them mean that they are infinite numbers meaning they repeat.
:) Ty!

Answers

Answer:

[tex]\sqrt{1}[/tex] , π/3 , 1.23, [tex]\frac{5}{4}[/tex], [tex]\sqrt{3}[/tex] , 1.9

Step-by-step explanation:

5/4 = 1.25

1.23232323

pi/3 = 1.0472

[tex]\sqrt{3}[/tex] = 1.732

1.999999

[tex]\sqrt{1}[/tex] = 1

[tex]\sqrt{1}[/tex] , π/3 , 1.23, [tex]\frac{5}{4}[/tex], [tex]\sqrt{3}[/tex] , 1.9

Answer:

3, 6, 2, 1, 4, 5

Step-by-step explanation:

what is the measure of angle x°

Answers

Answer:

75

Step-by-step explanation:

75 because it’s just us

complete the statement to describe how to convert feet to inches

to find the number of inches, ______ the number of feet by the unit rate, _____ inches per foot.

Answers

Answer:

To find the number of inches, times the number of feet by the unit rate, 12 inches per foot

Step-by-step explanation:

If you wanted to figure out how many inches are in 3 feet, you multiply 3 with 12, getting you 36. So, there are 36 inches in 3 feet

Pls answer question. Show working

Answers

Answer:

-2x + 5

Step-by-step explanation:

y-5= -2(x-0)

y= -2x + 5

Answer:

it would be y=-2x+5

Step-by-step explanation:

Which point is not on the graph of the function y = x - 4?

(5, 9)
(234, 230)
(7, 3)
(12, 8)

Answers

Y=x-4
(5,9)
X Y

9=5-4
9 = 1 <— wrong
Point (5,9) will not be on the graph because when you substitute the point into the equation, 9 will never equal 1.

Option A is correct, (5, 9) is the point not on the graph of the function y = x - 4.

What is Graph?

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

The given function is y=x-4.

Let su check all the given points whether they are point of the given graph or not.

The point (5, 9) is not on the graph of the function  y = x - 4

Because when x = 5, y = 1, not 9.

The point (234, 230) is  on the graph of the function  y = x - 4

Because when x = 234, y =230

The point (7, 3) is  on the graph of the function  y = x - 4

Because when x = 7, y =3

The point (12, 8) is  on the graph of the function  y = x - 4

Because when x = 12, y =8

Hence, (5, 9) is the point not on the graph of the function y = x - 4.

To learn more on Graph click:

https://brainly.com/question/17267403

#SPJ7

expand (2x-5)(x+1) into ax^2+bx+c form. What is the value of a+b+c

Answers

Answer:

-6

Step-by-step explanation:

Please check the photo.

Solve for the value of q.

39°

(4q-5)°

Answers

Since there is a box at the corner of the angle, that means that angle is 90°. So, we can add the 2 values given to us and set them equal to 90°.

39+4q-5=90

Now we can combine the 2 like terms on the left side of the equation.

34+4q=90

Now we subtract the 34 from 90

4q=56

Now to get q by itself (find the value of q) we divide the 4 from both sides and we get our answer.

Answer: q=14

Hope this helps :)
answer is q=14! hope this helps :D

Find the area of each shape. Put your answers in with no units or spaces (just the numbers).

Answers

Answer:

1) 121

2) 27

3) 75

Step-by-step explanation:

RULES

Triangle: base × hight

Rectangle: length × width

Square: length × width (note: all sides are equal)

Answer:

1. 121

2. 27

3. 75

Step-by-step explanation:

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