When should Estimation not be used?

A. When adding many numbers mentally

B. When subtracting large numbers mentally

C. when finding the exact amount

Answer:

4/5



Step-by-step explanation:

3/10÷3/8

=(3×8)/(10×3)

=24/30

Simplifying 24/30, the answer is

=4/5

The value of the quotient of ''3/10 divided by 3.8'' as a simplified fraction would be 3/38.

Given that;

The expression is,

3/10 divided by 3.8

Now it can be divided as,

3/10 divided by 3.8

3/10 ÷ 3.8

3/10 × 1/3.8

3/38

Therefore, the value of the quotient as a simplified fraction would be 3/38.

To learn more about the fraction visit:

https://brainly.com/question/5454147

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Answer:

25% - from 180 degrees

Step-by-step explanation:

Answer:

Account A

Step-by-step explanation:

It's because in 9 months for account a you the simple interest rate you earned is $4.16 but account B took you 33 months just to get $24.20? That would be too long, you would spend way to long working for 33 months just to get 24.20? It would not be worth it. This is why the answer is Account A.

Answer:

Account A is the correct answer;according to my understandings.

Answer:

1. slope = 6, y-intercept = -1/3.

Step-by-step explanation:

The slope is 6, the x is the y-intercept. the y-intercept is -1/3.

hope this helps.

Answer: mean

Step-by-step explanation:

mean : average

median : middle number

mode : most frequent number

range : the difference between the highest and lowest numbers

Answer: The Volume of a rectangular prism is:

Width x hight x length

Answer:

50mph

Step-by-step explanation:

Say for example car A increases by 10 miles per hour and car B decreases by 10 miles per hour. If car A2 = car B3 then by eliminating a few numbers and finally get to 50 you get the following equation.

A = 50+10

b = 50-10

A = 60

B = 40

A2 = 120

B3 = 120

120 = 120

Answer

120km

Step-by-step explanation:

let s = the original speed

Write a distance equation; dist = time * speed

3(s-10) = 2(s+10)

3s - 30 = 2s + 20

3s - 2s = 20 + 30

s = 50 km/hr is the original speed

confirm this, find the distances

3(50-10) = 120 km

2(50+10) = 120 km

Answer: this is the answer

Step-by-step explanation: this then that then this

Answer:

The number of times greater than the swimming pool to the wading pool is 1/2. the wading pool is half as long as the swimming pool. the wading pool is 15 feet long, 12 feet wide, and 2.5 feet deep.

hope this helps!

Answer:

z>15+w

Step-by-step explanation:

Answer:

Absolute value is the distance the number away is from 0. In simpler terms, if you had a -8 the absolute value is 8. I attached a picture of the absolute value symbols. The absolute value of a normal positive 8 is still 8 though because it's the same distance on a number line.

Answer:

C) 2.6

Work Shown:

a = x, b = 3, c = 4

a^2 + b^2 = c^2  ... pythagorean theorem

x^2 + (3)^2 = (4)^2

x^2 + 9 = 16

x^2 = 16 - 9

x^2 = 7

x = sqrt(7)

x = 2.64575131106459

x = 2.6

Answer:

$21

Step-by-step explanation:

300 * 0.07 (the tax percent put into decimal form) = $21

Answer:

x = 4.37

Step-by-step explanation:

Conclusion:

Hoped this helped

[tex]GeniusUser[/tex]

Answer:

[tex]\frac{1039}{238}[/tex]

Step-by-step explanation:

7x + 1039 = 245x

Minus the smallest x from the largest.

1039 = 245x - 7x

1039 = 238x

Divide 1039 by 238x to find the x

[tex]\frac{1039}{238}[/tex] = x

Answer:

A

Step-by-step explanation:

Answer:

4 went down first it's comming up by 1/2

Answer:

she can walk 20 miles in 8 hours if she walks st a constant speed of 2.5 miles per hour

Answer:

20 miles

Step-by-step explanation:

all you do is multiply 2.5 x 8

Answer:

For the diagonal of the floor:

20^2 + 48^2= c^2

400+2304= c^2

c=52

For the diagonal of the cube:

52^2 + 10^2 = c^2

2704+100=c^2

c=52.95

Rounded= 53

Tell me if this helps!!!

Answer:

53

Step-by-step explanation:

Answer:

I'm just trying to help so I don't know if it's correct

42 = 7/6x

you are going to multiply by 6x on both sides then you'll get and cancel the 6x on the right side of the problem

6x × 42 = 7

then you are going to divide by 42 on both sides and cancel the 42 on the left side of the equation, so you'll get 6x = 7/42

next simplify the equation

6x = 1/6

then you will try to get X by itself by dividing by 6 on both sides of the equation

so you'll get X = 1/6 ÷ 6

then you'll flip the second number and you'll get 1/6 then multiply so X will be equal to 1/36

hope you understand

Answer:

35 x 1 = 35

Step-by-step explanation:

[tex]\left(\dfrac 14 x -7 \right) - \left(\dfrac 34 x - 5 \right)\\\\\\=\dfrac 14 x -7 - \dfrac 34 x +5\\\\\\=x\left(\dfrac 14 - \dfrac 34 \right) -2\\\\\\=- x\left(\dfrac 24 \right) -2\\\\\\=-\dfrac 12 x -2[/tex]

Answer:

-1/2x-2

Step-by-step explanation:

Distribute the negative sign from the right side to make the equation positive

1/4x - 7 + (-1)(3/4x) + (-1)(-5)

(basically multiplying -1 to 3/4x and -5 to eliminate it)

1/4x - 7 + -3/4x+ 5

Make the equation similar

(1/4x + -3/4x) + (-7 + 5)

combine like terms

1/4x + -3/4x = -2/4x --> Simplifies to -1/2x

Do the other integers

-7 + 5 = -2

Put it together

-1/2x-2

Answer:

10/4

Step-by-step explanation:

rise over run

Step-by-step explanation:

Answer:

l only and ll only

Step-by-step explanation:

Answer:

33

Step-by-step explanation:

If m=2, then you can rewrite it as 2²+29

2²=4

4+29=33

A. 4/6 + 56 as it is closest to 57 ( the value of x in the equation)

Answer:

Robbie should use 1st expression

Step-by-step explanation:

23+34=X

23+35= 4/6+56

=(5+336)/4

=56.67

=57

Answer:

Step-by-step explanation:

3(4 + x) = 45

=> 12 + 3x = 45

=> 3x = 33

=> x = 11

Conclusion:

Therefore:

Hoped this helped.