Estimating sums by tens

Estimating Sums By Tens

Answers

Answer 1

Answer:

4600

Step-by-step explanation:

4319=4300

299=300

4300+300=4600


Related Questions

Please leave explanation. Brainleist if correct! What is the mean of this data set?

A. 84
B. 85
C. 83
D. 88

Answers

Answer: 85 Step-by-step explanation: Add to get total.
divide by 4.

A 9V battery is attached to a hand generator. What prediction best explains what will happen and why?

Answers

A hand generator it most likely will provide power to perform wok more efficiently.

A hand generator and a 9v battery

Generally, A hand generator is a portable device that use energy to do work or increase efficiency of work done.

Therefore,if a 9v battery( a battery is defined as a source of electric power) is attached to a hand generator it most likely will provide power to perform wok more efficiently

For more information on  work

https://brainly.com/question/756198

What is the volume of a sphere with the radius of 9.7 feet, rounded to the nearest 10th of a cubic foot

Answers

I think it's 3,823.0
(Used a calculator)

aden’s teacher had 4 boxes of pens that each contained y pens. She took 6 pens out of one of the boxes and told her 17 students to divide the remaining pens equally among themselves. Which expression shows the number of pens each student got?

Answers

Answer:

Jaden’s teacher had 4 boxes of pens that each contained y pens.

Number of boxes of pen = 4

Number of pens per box = y

Total number of pens = 4 x y = 4y

She took 6 pens out of one of the boxes told her 17 students to divide the remaining pens equally among themselves.

Total number of pens left = 4y - 6

Number of students = 17

     

Step-by-step explanation:

the perimeter of a triangle is 31 cm sides #1 and #2 have equal length, while side #3 /is one centimeter shorter than twice the length of side #1. how long is each side?

Answers

answers are at down

Step-by-step explanation:

The perimeter of a triangle is 31 cm. Sides #1 and #2 have equal length, while Side #3 is one centimeter shorter than twice the length of Side #1. Let's determine how long each side is: a. Let x represent the length of Side #1. What essential part of this "let" statement is missing? What is the length of Side #2? Side #3? b. Write a mathematical sentence that states that the perimeter is 31 cm. c. Solve the equation you found in part (b) and determine the length of each side. Be sure to label your answers with the appropriate units.

Answer:

  8 cm, 8 cm, 15 cm

Step-by-step explanation:

The given relationships between the sides can be used to write an equation. Let s represent the length of side 1. Then side 2 has a length that is also s. Side 3 has length (2s-1). The perimeter is the sum of the side lengths:

  s + s + (2s -1) = 31

  4s = 32 . . . . . . . . . . collect terms, add 1

  s = 8 . . . . . . . . . . divide by 4

  (2s -1) = 2·8 -1 = 15

The side lengths are ...

8 cm8 cm15 cm

1), At Texas A&M University, tuition and fees for 4 years cost approximately $36,000. If a student could pay for these college expenses by the month, the student's monthly school bill would be about- A $650 B $700 C $750 D $900​

Answers

Answer:

C- $750

Step-by-step explanation:

36,000 = 48b

Since the tuition fees for 4 years equals $36,000, you would first need to solve how many months equals 4 years (48). Divide the total sum of the tuition ($36,000) by the number of months the student would have to pay (48) in order to get $750/mo.

So this one makes 0 sense, but it ask for you to: Express as a sum: 15-7

Answers

The answer is:   " 15 + (-7) " .

_______

Step-by-step explanation:

Here is what to do:
_______
Given: " 15 – 7 " ;  Express this as a "sum" :
_______

 Note:  This given expression is:
      " 15 minus 7 "
   that is:  " 15 – (+7) ;

 Note that subtracting a "positive" value;

  such as in the very expression given;

           is the same value we get when:

      adding that particular "negative" value;

→  As such:  " 15 – 7 " =

           " 15 + (-7) "  → which is our answer.
_______

Hope this is helpful to you!

_______

1. The sum of two numbers is 15 and their product is 54. Find the numbers.

Let x = smaller number.
15 - x = larger number​

Answers

Step-by-step explanation:

Hope this help

Ms. Arrington has been raising money to take her classroom to the zoo. She has raised $580. The zoo has allowed all the adults to enter the zoo at a flat rate of $75 for all. If each student ticket costs $8.50, what is the maximum number of students allowed to attend the field trip?
SHOW ALL WORK !!!!!!!!!!!!!!!!!!!!!!!!

A. 59 students

B. 61 students

C. 58 students

D. 60 students

Answers

Answer:75+8.5X=580

580-75=505

505/8.5=59.4117647059

about 59 students could go

The map of a biking trail is drawn on a coordinate grid.

PLEASE HELP!

The trail starts at P(−2, 2) and goes to Q(5, 2).
It goes from Q to R(5, −5) and then to S(8, −5).

What is the total length (in units) of the biking trail? (1 point)

10
16
17
18

Answers

Answer:

17 units

Step-by-step explanation:

See the attached image

Someone plsssss help me. I don't get this one, it's confusing.​

Answers

Ok so the Markup is how much money you will add on the price so it's 15% of $18 and you don't need to add it onto $18

The Retail Price is the entire price so the retail would be the Markup + Price.

15% of $18 is is $2.7 and $18 + $2.7 is $20.7

What are the factors of x2 – 4x – 5? check all that apply. x – 5 x – 2 x – 1 x 1 x 2 x 5

Answers

X2 -4x-5 using the ac method. X-5 x+1

Answer:

answer  in picture
A , D

Step-by-step explanation:

6(x + 3) - 9 = 27 solve for x

Answers

Answer:

x=3

Step-by-step explanation:

Answer:

See below.

Step-by-step explanation:

6(x+3)-9=27

6x+18-9=27

6x+9=27

   -9   -9

6x=18

/6  /6

x=3

-hope it helps

a + b + c = 4

a² + b² + c² = 10

a³ + b³ + c³ = 22

a⁴ + b⁴ + c⁴ =? ​

Answers

Answer:

80

Step-by-step explanation:

I hope it will be helpful

Thx

Consider this expression. When and , the value of the expression is

Answers

Answer: Do you have a picture of the problem?

The coordinates of the vertices of XYZ are
X(0, –4), Y(0, 0), and Z(3, 3).
a) Determine the coordinates of the image
of AXTZ after the translation [3, -2].

Answers

Answer:

Step-by-step explanation:

Write a linear function through the points (0,9) and (1,27)

Answers

Answer:

y = 18x + 9

Explanation:

(0,9), (1,27)

slope:

[tex]\sf \dfrac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\sf \dfrac{27-9}{1-0}[/tex]

[tex]\sf 18[/tex]

equation:

y - y₁ = m ( x - x₁)

y - 9 = 18 ( x - 0 )

y = 18x + 9

Answer:

y= [tex]\frac{1}{18}[/tex]x + 9

Step-by-step explanation:

(0,9) , (1,27)

([tex]x_{2}[/tex]-[tex]x_{1}[/tex])÷([tex]y_{2}[/tex]-[tex]y_{1}[/tex]) = slope

[tex]x_{2}[/tex]=1    [tex]x_{1}[/tex]=0    [tex]y_{2}[/tex]=27    [tex]y_{1}[/tex]=9

(1-0)÷(27-9) = 1/18

m = slope = 1/18

y- [tex]y_{1}[/tex] = m (x- [tex]x_{1}[/tex])

y-9= [tex]\frac{1}{18}[/tex] (x-0)

y-9 = [tex]\frac{1}{18}[/tex]x

y= [tex]\frac{1}{18}[/tex]x + 9

Can somebody help me figure this out cause I’m genuinely confused

Answers

Answer:

In one day, you travel 15 mph

Step-by-step explanation:

30/2 = 15

15:1

Have an amazing day!!

PLEASE RATE AND MARK BRAINLIEST!!!

6n + 7 - 2n +5n what is answer pls i need test corrections

Answers

Answer:

9n + 7

Step-by-step explanation:

Answer:

9n+7

Step-by-step explanation:

Combine like terms

6+7−2+56n+7−2n+5n

9n+7

I think so hopes this will help

M is the midpoint of segment VW. Find the value of x.
4x-1 3x+3

Answers

Answer:

-3(3x-1)

Step-by-step explanation:

i checked my answer

A group of 125 teenagers were asked which of the following activities they would most likely choose to spend their free time doing: reading a book, watching television, playing video games, or listening to music. The results are displayed in the circle graph below.
What was the second most popular activity?

a. reading a book
b. watching television
c. playing video games
d. listening to music

Answers

Answer:

i think you forgot to attach the graph

Step-by-step explanation:

The correct answer should be answer "D" (listening to music.) I just had the same question, so I know my answer is right. I hope this helps you. :)

9. If two sides in one triangle are 9 and 21 , then the third side might be
a) 9
b) 11
c) 12
d) 13

Please explain how you got the answer ​

Answers

Answer:

d

Step-by-step explanation:

given 2 sides of a triangle then the third side x is in the range

difference of 2 sides < x < sum of 2 sides , that is

21 - 9 < x < 21 + 9 , so

12 < x < 30

the only value that satisfies the inequality is 13

The volume of this cone is 65.94 cubic meters. What is the radius of this cone?

Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

Height = 7, volume = 65.94 CM, what would be the radius?

8th grade math

Answers

Answer:

Formula for volume of cone;

V = πr^2 · h/3

Plug in the values you know:-

65.94 = 3.14r^2 · 7/3

r = 3, -3.

1 1/14 + 4 2/3
Give your answer as a mixed number where appropriate.

Answers

Answer:

5 19/42

Step-by-step explanation:

4 2/3 = (4 x 3)+2/3 = 14/3

11/14 = 33/42

14/3 = 196/42

33/42+196/42 = 229/42

229/42 = 5 19/42

What is the value of n in the equation 3n 2(n 2) = 9n 12? −4 −2 2 4.

Answers

Equation is formed when two equal expressions are equated together with the help of an equal sign '='. The value of n is -4.

What is an equation?

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

As the equation is given to us, therefore, the value of the n can be found as,

[tex]3n+2(n+2)=9n+12\\\\3n+4n+4=9n+12\\\\7n-9n=12-4\\\\-2n = 8\\\\n =\dfrac{8}{-2}\\\\n=-4[/tex]

Hence, the value of n is -4.

Learn more about Equation:

https://brainly.com/question/2263981

13 A cuboid has a volume of 24 cm. What is its base
area if it has a height of 3 cm?

Answers

Answer:

8 cm²

Step-by-step explanation:

Since the Volume of Cuboid = Base Area * Height

Then 24=Base Area * 3

Base Area = 24/3 = 8 cm²

Answer:

8

Step-by-step explanation:

24 = volume

3 = height

24/3 = 8, is the base area.

What is the solution (x,y) of the system of equation

Answers

Answer:

Step-by-step explanation:

the answer is (10,2) in point form, in equation form it is x=10, y= -2.

(3x/2y^2)^3
step by step pleaase. im confused on how to solve this

Answers

Answer:

The answer is (27x³ ÷ 8y⁶)

Step-by-step explanation:

[tex] (\frac{3x}{2y {}^{2} } ) {}^{3} \\ [/tex]

[tex] \frac{(3x) {}^{3} }{( {2y}^{2}) {}^{3} } \\ [/tex]

[tex] \frac{27x {}^{3} }{8y {}^{6} } \\ [/tex]

Thus, The answer is (27x³ ÷ 8y)

-TheUnknownScientist 72

What is an equation of the line that passes through the points (-3, -2) and (2, -7)

Answers

Answer:

y=x-9

Step-by-step explanation:

There are 2 parts to finding the equation of a line: the slope and the y-intercept. In the equation y=mx+b, m is the slope and b is the y-intercept.

First, let's find the slope. 2-(-3)=5 and -7-(-2)=-5, so the slope is -5/5=-1.

Now we can plug in one of the given points to the equation to find the y intercept:

y=x+b

-7=2+b

b=-9

Now, we have the slope and the y intercept, so we can write the equation.

y=x-9

I hope I did well enough explaining this. Happy mathing!

Answer:

[tex]i \: hope \: it \: is \: helpfull[/tex]

Which ordered pair is a solution of
y > 5x – 2?
F (1,5)
H (3, 13)
G (2, 7)
J (4, 4)

Answers

Answer:

Domain:

{1,3,2,4}

Range:

{5,13,7,4}

the list of ordered pairs is a function.

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