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aksik [14]
3 years ago
10

How to do long division

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
5 0
For example 20 divide by 5 you would see how many times 5 can go into 20 so then you realize 5 goes into 20, 4 times. So to do division you must figure out the reverse of it so you must know how to multiply. You start by multiplying 5 times 1 and until you reach your answer. If you have a times table sheet. You must follow the number being divided into the bigger number until you see the big number.

Hope this helps.<span />
Setler [38]3 years ago
4 0
Step.1:"How many time do I have to divide"
Step 2:"Multiply"
Step 3:"subtract"
Step 4:Drop it down
Step 5:"If nessisary" Repeat
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You spend $7.00 at the store. The sales tax is 6%. How much is your total bill?
Butoxors [25]

Answer:

7.42

Step-by-step explanation:

First determine the amount of tax

7 * 6%

7 *.06

.42

Add this to the original bill

7 + .42

7.42

The total cost is 7.42

6 0
3 years ago
Find the first three terms of the arithmetic series described. n= 16 aₙ= 15 sₙ= -120.
creativ13 [48]

Answer:

The first three terms are -30, -27 and -24

Step-by-step explanation:

The formula for nth term of a arithmetic series is given by:

aₙ = a₁ + (n - 1)d

Substitute n = 16 in the given equation:

a₁₆ = a₁ + (16 - 1)d

Where aₙ = a₁₆ = 15. Substitute in the given equation

15 = a₁ + 15d ⇒ Equation (i)

Sum of arithmetic sequence is given by:

Sₙ = n(a₁ + aₙ) / 2

Substitute n = 16 in the above equation:

S₁₆ = 16(a₁ + a₁₆) / 2

Where S₁₆= -120 and a₁₆=15, substitute:

-120 = 16(a₁ + 15)/2

-240 = 16(a₁ +15)

-15 = a₁ + 15

a₁ = -30

Substitute it in Equation (i)

15 = a₁ + 15d

15 = -30 + 15d

15d = 15+30

d = 45/15

d = 3

So

a₁ = -30

a₂ = a₁ + (2-1)d

a₂ = -30 + 3

a₂ = -27

a₃ = a₁ + (3-1)d

a₃ = a₁ + 2d

a₃ = -30 + 2(3)

a₃ = -30 +6

a₃ = -24

8 0
3 years ago
Select the equation of the line that passes through the point (5,7) And is perpendicular to the line X equals four
GREYUIT [131]
X = 4 is a vertical line and only a horizontal line can be perpendicular to it.
Horizontal lines equations are of the form y = # 
and if it passes through the point (5, 7), then y = 7 is the answer.
8 0
4 years ago
FIND 2 RATIONAL NUMBER EQUILANT TO 7/19
photoshop1234 [79]

Answer:

14/38

21/57

Step-by-step explanation:

You just multiply by 2/2 and 3/3

6 0
3 years ago
Read 2 more answers
1. What is the average of 12, 43, 51, 62?<br> A 32<br> B51<br> C42<br> D 36<br> NEED HELP!
mixas84 [53]

Answer:

42

Step-by-step explanation:

Average =

Sum of the terms/ number of terms

Terms here refers to the data or the values given

So,

The sum is 12+43+51+62= 168

The number of terms is 4

Therefore the average is,

168/4

= 42

6 0
3 years ago
Read 2 more answers
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