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aliya0001 [1]
4 years ago
8

The figures below show a pattern.

Mathematics
1 answer:
yarga [219]4 years ago
7 0

Answer:

The number of blocks in the nth figure will be (3n + 1).

Step-by-step explanation:

See the attached figure where few arrangements are there.

The number of blocks in the first arrangement is (3 + 1)

Now, the number of blocks in the second arrangement is (3 × 2 + 1)

Again, the number of blocks in the third arrangement is (3 × 3 + 1)

So, the pattern says that the number of blocks in the nth arrangement will be (3 × n + 1) = (3n + 1) (Answer)

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2.) Bill sells cleaning products on commission. He earns 40% commission on his sales. If
Karo-lina-s [1.5K]

Answer:

$393.20

Step-by-step explanation:

There are two easy ways to solve this:

1) Use a setup and cross multiply.

First, set up your problem.

<u> $ x  </u>  =  <u>40%</u>

$983    100%

$983 is the total amount, so it is equal to 100%. We're trying to find 40% of it, so we can label the amount as $x. Remember, each side has to be in the same type of measurements (i.e. dollars, percentages, inches, etc.).

Then, cross multiply. You should end up with:

100x = 39,320

Then, simplify.

x = 393.2

x = $393.20

2) Convert the percentage to a decimal and multiply.

First, convert the percentage you're looking for into a decimal:

40% × 100 = 0.4

Then, multiply the decimal with the total sales amount:

$983 × 0.4 = 393.2

                   = $393.20

5 0
3 years ago
La semana pasada Lol hizo en su pastelería 32kg de bollos de distintas clases. Un cuarto de los bollos de los bollos los vendió
PIT_PIT [208]

Answer:

$276  

Step-by-step explanation:

Given that

Last week Lola made 32kg of different kind of bun

The quarter of the bun sold at $9 per kilo

And, the rest would be sold at $8.5 per kilo

We need to find out the amount that should be collected in total from the sale

A quarter of the 32 buns is 8 buns

And, the half of 32 is 16, and half of 16 is 8.

Now If he sold those 8 buns for $9

So, the total amount is

= (8 buns) ($9)

= $72

Now the remaining buns left is

= 32 - 8

= 24 buns

It would be sold at $8.50

So, the total amount is

= (24) ($8.50)

= $204

Now the final amount is

= $204 + $72

= $276  

8 0
3 years ago
Which complex number has an absolute value of 5?
Bess [88]
For this case we can use the Pythagorean theorem to solve the problem.
 We have then for the following complex number:
 -3 + 4i&#10;
 Using the Pythagorean theorem:
 \sqrt{(-3)^2+(4)^2}
 Rewriting we have:
 \sqrt{9+16}
 \sqrt{25}
 5
 Answer:
 
A complex number that has an absolute value of 5 is:
 
A)–3 + 4i
5 0
4 years ago
Read 2 more answers
Use the formula to evaluate the series 1/3+1/9+1/27+1/81 Answers A 40/81 B 37/81 C 39/81
svlad2 [7]
I believe the answer is A.
4 0
3 years ago
Jerry has $150 in his checking account. He withdraws $15 a day for lunch. Create an expression to model how much money Jerry has
crimeas [40]

150-15d=c

Because 150- 15 times the number of days will give you the answer no matter what the number of days are


3 0
4 years ago
Read 2 more answers
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