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DENIUS [597]
2 years ago
7

If $a=7$ and $b=13$, what is the number of even positive integers less than $ab$?

Mathematics
1 answer:
Paladinen [302]2 years ago
4 0

The number of even positive integers less than a.b, i.e 90, is 45.

<h3>What are Arithmetic operations?</h3>

Arithmetic operations can also be specified by subtract, divide, and multiplying built-in functions.

Given that
a = 7 and b = 13

⇒ ab

Substitute the values of a and b in the above expression,

⇒ (7)(13)

⇒ 91

Since the number of even positive integers is less than

⇒ ab > even positive

⇒ 90 > even positive

since the even number less than a.b i.e. 91 is 90,
Here, 90 is the 45th number in the series of even positive numbers.


Thus, the number of even positive integer less than a.b, i.e 90, is 45

Learn more about Arithmetic operations here:

brainly.com/question/25834626

#SPJ1

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The first three towers in a sequence are shown. The nth tower is formed by stacking n blocks on top of an n times n square of bl
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Answer:

The 99th tower contains 9900 blocks.

Step-by-step explanation:

From the question given, we were told that the nth tower is formed by stacking n blocks on top of an n times n square of blocks. This implies that the number of blocks in n tower will be:

n + n²

Now let us use the diagram to validate the idea.

Tower 1:

n = 1

Number of blocks = 1 + 1² = 2

Tower 2:

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Tower 3:

Number of blocks = 3 + 3² = 12

Using same idea, we can obtain the number of blocks in the 99th tower as follow:

Tower 99:

n = 99

Number of blocks = 99 + 99² = 9900

Therefore, the 99th tower contains 9900 blocks.

7 0
3 years ago
A circle with a radius of 10,20 or 4 inches has a central angle of 0.25 radians that intercepts an arc of 25,5 or 16 inches
WARRIOR [948]
The radius would be 10 and the arc would be 5.
I hope this helps.
Have a blessed day!
7 0
3 years ago
Please answer please
Murrr4er [49]

<BAC = <DEC = 30°

<BCA = <DCE = 70°

<CDE (or m<D) = 180° - <DEC - <DCE

<CDE = 180° - 30° - 70°

<CDE = 80°

The number that belongs in the green box is 80

3 0
3 years ago
Find the area of this parallelogram.
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Answer: A
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3 0
3 years ago
Three children together have 50 toys,Harry has 10 less toys than Mark. Sue has twice as many toys as Harry. How many toys does e
Alexeev081 [22]

Answer:

Harry = 10 toys

Mark = 20 toys

Sue = 20 toys

Step-by-step explanation:

H + M + S = 50

H = M - 10

S = 2H

Harry = 10 toys

Mark = 20 toys

Sue = 20 toys

5 0
3 years ago
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