How do you get the rule of 1,3,6,10,15,21,28

Answers

Answer 1

Answer: 1, 3, 6, 6, 10 , 15, 21, 28 the rule is to add 1 then 2 then 3 and on
1 + 2 = 3 + 3 = 6 + 4 = 10 + 5 = 15 + 6 = 21 + 7 = 28 :)

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The fastest texter in the world is Ben Cook who typed a 160-letter messge in about 40 seconds. How many letters can Ben text in a second? How many lettersin a minute.

Answers

4 in a second and 240 in a minute

Answer:

Wow that's impressive he can type 4 letters a second and 240 a minute

A recipe calls for 6 liters of orange juice, 3 liters of grape juice, and 1.5 liters of ice water. How much grape juice and water will be used with 2 liters of orange juice.

Answers

you would use 1 liter of grape juice and 1/2 of a liter of water

Which equation is related to the equation shown?x + 3 = 12

A.

x = 12 + 3

B.

x = 12 ÷ 3

C.

x = 12 − 3

D.

x = 12 • 3

Answers

The answer is:

C) x = 12 - 3

Work/explanation:

To solve, subtract 3 on each side:

$\rightarrow\hspace{13} \sf{x+3 = 12}\n\n\n\rightarrow\hspace{13}\sf{x=12-3}\n\n\n\rightarrow\hspace{13}\sf{x=9}$

The equation that is related to the equation shown is x = 12 - 3.

C, because it's the opposite of the actual equation.

Use distributive property to simplify 5 ( 6x - 2 )

Answers

The answer would be 30x-10

Answer:

30x-10

Step-by-step explanation:

multiply 5 to 6x =30x

multiply 5 to -2= -10

How many small packages of sugar each having a mass of 10 1/4 grams can be made from a sack of sugar having a mass of 2460 grams

Answers

2460 grams ÷ 10 1/4 grams

2460 ÷ 41/4

= 2460 × 4/41 Use your calculator

= 240

So there would 240 small packages.

A pencil at a stationery store costs $1, and a pen costs $1.50. Shawn spent $12 at the store. He bought a total of 9 items. Which system of equations can be used to find the number of pencils (x) and pens (y) he bought?

Answers

x= 3 pencils 3+6=9 items
y= 6 pens
So, Shawn bought 3 pencils and 6 pens. 1 pen equals 1.50 and a pencil only costs a dollar and he spent 12 dollars so now if he bought 6 pens and 3 pencils that would equal 12.

9x=£9. 9y=13.50. It has to be an even number of y or you will get a decimal and 12 is not a decimal. 7x+2y=£10 5x+4y=£11. 3x+6y=£12 The answer is three pencils and 6 pens.

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