Mathematics Middle School

estimate. then find the product 872 × 3

Answers

Answer 1

2600 should be the correct answer here

Answer 2

Estimate: 900 x 3= 2700
Product: 2616

Related Questions

207 divided by 9 please I know might be easy but I'm bad at division someone help me by Friday this :D

Answers

207/9

207/9 = 23

hope this helps

the answer is 23 for this question

Twice the difference of 3x and y increased by 5 times the sum of x and 2y

Answers

The answer is 2(3x-y)+5(x+2y).

Team one had 4 times less people than team two. After 6 people quit team two and 12 people were transferred from team two to team one, both teams became equal. How many people were there in team one?

Answers

There was 10 people on team one. I just did process of elimination by going through numbers and trying them out. It would be 10 on team one and 40 on team 2. Take 6 off 40 to get 34 then switch 12 making both have 22.

is 57 a composite number .true or false

Answers

Yep.

A composite number is one that is not prime. 57 is not prime because 57 has the factors of 1, 3, 19, and 57.

True.
A composite number is a number that has at least one divisor other than 1 and itself.

57 can be written as 3*19. t
Therefore, it is a composite number.

2.135meters round to nearest hundredth on number line

Answers

2.135 meters rounded to the nearest hundredth is 2.14 meters. Decimal conversion for centimeters to meters involves moving the decimal two places to the left. A ruler measuring in millimeters allows for more precise measurement.

To round 2.135 meters to the nearest hundredth, you should look at the third digit after the decimal point, which is 5. Because the third digit is 5 or greater, you round the second digit up. Therefore, 2.135 meters rounded to the nearest hundredth is 2.14 meters when placed on a number line.

When considering decimal conversion from centimeters to meters, you need to move the decimal point two places to the left (e.g., 100 cm is equal to 1.00 meters). For precise measurements, it's important to have a ruler that can measure at least to the nearest tenths of a centimeter, which is also known as millimeters, so you can then estimate to the hundredths.

To round 2.135 meters to the nearest hundredth, we look at the digit in the hundredths place, which is 3 in this case. Since 3 is less than 5, we round down the digit in the tenths place. Therefore, the rounded value of 2.135 meters to the nearest hundredth is 2.13 meters.

On a number line, you can mark this value between 2.12 and 2.14, closer to 2.13.

Given ABC PQR, m < B = 3v +4, and m<Q = 8v -6, find m<B and m<Q
A.22
B.11
C.10
D.25

Answers

Since both triangles ABC and PQR are congruent, this means that measure angle B = measure angle Q

Therefore:
3v + 4 = 8v - 6
4 + 6 = 8v - 3v
10 = 5v
v = 10/5 = 2

Therefore:
measure angle B = 3v + 4 = 3(2) + 4 = 6+4 = 10
measure angle Q = 8v - 6 = 8(2) - 6 = 16-6 = 10
You will find that the two angles are equal due to the triangles being congruent as mentioned before

Answer

a.22

b.11

c.10

d.25

The answer is C. 10

The perimeter of a rectangle is 54cm. One side is x cm long and the other is 6cm longer. Tre length is x+6 and the side is x so how to form this equation involving x and the answer of the length of each side.

Answers

.The answer would be
.123.4234
.Hope this helps and have a wonderful day!

Bob had 6 1/2 qt of paint. He used 3 2/3 qt to paint a room How much paint does Bob have left?

Answers

6 1/2 - 3 2/3 =

13/2 - 11/3 =

39/6 - 22/6 = 17/6 = 2 5/6 qts left

Answer:

2 5/6

Step-by-step explanation:

Which of the following equations has the same solution as m - (-62) = 45?

x + 25 = 8
25 - x = 8
120 - x = 13
120 + x = 13

Answers

Since -(-62) can equal 62 by crossing out the negatives (if there's a negative in front of a parenthesis, you can simply multiply the content of the parenthesis by -1) , we get m+62=45. Next, we can subtract 62 from both sides to get m=-17. Plugging x=-17 into each equation, we get that -17+25=8 and that's the right answer

You and your friend collect football cards. You tell your friend that you have 3 times the number of cards he has. Your friend replies that you only have 80 more football cards then he does. How many cards do you each have?

Answers

Easy I guess ..
I ll try to help ..
Here we go ..
The cards you have is N
The cards he has is n
you have 3 times the number of cards he has
This means N=3n
you only have 80 more football cards then he does
This means N=n+80
But we already know that N=3n
So 3n=n+80
which is 2n=80
n=40
So your friend has only 40 cards and you have 3*40= 120 cards

Best luck

Wise

Someone help me please

Solve x^3=1/8
A. 1/2
B. ±1/2
C. 1/4
D. ±1/4

Answers

Find the cube root of both sides
∛x^3 = x

∛1/8= 1/2

Final answer: x= 1/2

Mario collected 3g seashells. Jasmine collected 10 more seashells than Mario. Write the number of seashells they collected together in terms of g.

Answers

Mario = 3g

Jasmine = 10 more shells than Mario = 3g + 10

Hence, number of shells they collected together

= Mario + Jasmine = 3g + 3g + 10 = 6g + 10

3g + 10 =g
3g plus 10 for jasmine added together would represent both

The revenue from selling x shirts is r(x) = 11x.

The cost of buying x shirts is c(x) = 6x + 20.

The profit from selling x shirts is p(x) = r(x) – c(x).

What is p(x)?

MULTIPLE CHOICE:

A. p(x) = 17x + 20
B. p(x) = 17x – 20
C. p(x) = 5x + 20
D. p(x) = 5x – 20

Answers

The answer is: [D]: "p(x) = 5x – 20" .
_____________________________________
Explanation:
_____________________________________
"What is p(x) ? "
_____________________________________
"p(x) = r(x) – c(x)"
_____________________________________
r(x) = 11x ;

c(x) = 6x + 20 ;

p(x) = 11x – (6x + 20)

= 11x – 1(6x + 20)

= 11x – (1*6x) + (-1* 20)

= 11x – 6x + (-20)

= 11x – 6x – 20

= 5x – 20 ;

p(x) = 5x – 20 ; which is: "Answer choice: [D]" .
________________________________________

144 divided by 8 is 18 what is it in distributive property

Answers

It is (1*8) + (10+8) which equals 144 by dividing it would be 144 divided by (1*8) which will give u 18. You can also do it the opposite way. Hope it helps :)

What is the relationship between 9.125×10−3 and 9.125×102 ? Select from the drop-down menus to correctly complete the statement. 9.125×10−3 is times than 9.125×102 .
is it 100

Answers

Given [tex]9.125\times10^{-3}[/tex] and [tex]9.125\times10^{2}[/tex]

[tex]9.125\times10^{2}=9.125\times10^{-3+5} \\ \\ =9.125\times10^{-3}\times10^5=9.125\times10^{-3}\times100000[/tex]

Therefore, [tex]9.125\times10^{-3}[/tex] is 100,000 times less than [tex]9.125\times10^{2}[/tex].

9.125×10² is 100000 times the [tex]9.125\times10^{-3}[/tex].

We need to find what is the relationship between [tex]9.125\times10^{-3}[/tex] and 9.125×10².

What is scientific notation?

The scientific notation helps us to represent the numbers that are very huge or very tiny in a form of multiplication of single-digit numbers and 10 raised to the power of the respective exponent. The exponent is positive if the number is very large and it is negative if the number is very small.

9.125×10² can be written as [tex]9.125\times10^{-3+5}=9.125\times10^{-3}\times10^{5}[/tex]

= [tex]9.125\times10^{-3+5}=9.125\times10^{-3}\times100000[/tex]

Therefore, 9.125×10² is 100000 times the [tex]9.125\times10^{-3}[/tex].

To learn more about the scientific notation visit:

https://brainly.com/question/18073768.

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Prime factorization of 92

Answers

92 = 2 x 2 x 23

hope this helps

92=
2*46
2*2*23

Final answer: 2^2 *23
Hope this helps!

Which property justifies this statement?

If 4x=20, then x=5.

A . Subtraction Property of Equality

B . Division Property of Equality

C . Reflexive Property of Equality

D . Substitution Property of Equality

Answers

The answer is B, because you need to divide 20 by 4 and you will get 5

The correct answer is:

B . Division Property of Equality

Explanation:

The original equation is 4x = 20. To solve this, we would cancel the 4. Since the variable, x, has been multiplied by 4, we cancel it by dividing:

4x/4 = 20/4

x = 5

This is the division property of equality; we can divide both sides of an equation by the same number and preserve equality.

Give me an example of a decimal that is irrational...then show me the ratio.

Answers

The number 2.71828182846... is irrational since the decimal portion "71828182846" goes on forever without any pattern. We cannot write this as a fraction or ratio of whole numbers.

Express 0.18 as a fraction in simplest form

Answers

18/100
To express this's move the decimal over two spaces and divide by 100

the answer is 9/50. thanks !

3x-4/4 = 5x+2 solve it

Answers

First, multiply both sides by 4:

(3x - 4)/4 = 5x + 2
3x - 4 = 4(5x + 2)
3x - 4 = 20x + 8
-12 = 17x
x = -12/17

Hope this helps!

A giraffe can run up to 46.93 feet per second. How far could a giraffe run in 1.8 seconds? Justify your answer.

Answers

If giraffes can run 46.93 seconds, it is equivalent to 46.93(1). So, multiply 46.93 by 1.8

You get 46.93(1.8) = 84.474 feet per second.

A number has 2 tens and 15 ones write the number in words

Answers

Thirty-five
2 tens= 20
15 ones= 15

20 (10x2)
And
15 (15x1)

Help me on my math homework please

Answers

Number One:
One lawn mowed = 15 dollars earned
Two lawns mowed = 30 dollars earned
Three lawns mowed = 45 dollars earned
Four lawns mowed = 60 dollars earned
And so on, so yes, it is proportional.

Number Two:
Week one: 120 dollars
Week Two: 125 dollars
Week Three: 130 dollars
Week Four: 135 dollars
And so on, so yes, I believe it's proportional.

Lucas read 26 pages per hour so it's proportional. Brianna didn't have a proportional relationship. It went: 28, 30 and then 29 pages per hour for her.

Reading strategies? I don't know, focus more and you may be able to speed up the process

What’s 67/100 in simplest form

Answers

It's simpliest form is 67/100 since it cannot be simplfied.

it's already in simplest form

Help with fractions please!!!

Answers

Its true because you have to subtract in the long version so do you want me to show it to you?

It is true hopefully it helps

EXPLAIN YOUR ANSWER

5.
A set of equations is given below:

Equation A: c = 2d + 1
Equation B: c = 3d + 5

Which of the following is a step that can be used to find the solution to the set of equations? (5 points)

2d + 1 = 3d + 5
2d = 3d + 5
2d + 1 = 3d
2d + 5 = 3d + 1

Answers

Equation A: c=2d+1
Equation B: c=3d+5
2d+1=3d+5
-3d -3d
(subtract three to both sides)
-1d+1=5
-1 -1
(Subtract one to both sides)
-1d=4
(Divide negative one to both sides)
Answer:
d=-4

Answer:

The correct answer is 1. 2d + 1 = 3d + 5

Step-by-step explanation:

factorise completely:
12a+8b

Answers

12a + 8b....common factor is 4
4(3a + 2b) <==

The factorization of given expression is 4(3a+2b).

What is factorization?

The factorization method uses basic factorization formula to reduce any algebraic or quadratic equation into its simpler form, where the equations are represented as the product of factors instead of expanding the brackets. The factors of any equation can be an integer, a variable, or an algebraic expression itself.

The given expression is 12a+8b.

In the given expression there are two terms 12a and 8b

Now, 12a=2×2×3×a and 8b=2×2×2×b

So, from both the terms common is 2×2=4

Thus, 4(3a+2b)

Therefore, the factorization of given expression is 4(3a+2b).

To learn more about the factorization visit:

https://brainly.com/question/26923098.

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Lisa is 12 centimeters taller than her friend Ian. Ian is 16 centimeters taller than Jim. Every month, their heights increase by 2 centimeters. In 8 months, the sum of Ian's and Jim's heights will be 170 centimeters more than Lisa's height. How tall is Ian now? Let h be Ian'a height today in centimeters.

(h+16)+(___)+16=(___)+170

Ian is _ centimeters tall now.

Answers

Ian is 152 centimeters.

x/6 + 4x/7 = 93

Please Explain

a. 126
b. 781 1/3
c. 18 3/5
d. 133

Answers

Multiplying each side by 42 (since 6*7=42), we get 7x+24x=3906=31x. Next, we can divide both sides by 31 to get 126

A local museum had a total of 38,267 visitors last year. The museum was open everyday except for four holidays. On average how many visitors did the museum have each day ?

Answers

About ruffly 106 visitors each day.

approximately 106 visitors each day

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