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Elodia [21]
4 years ago
7

Please help me ! I need 1-6 please help me I need them ASAP please help

Mathematics
1 answer:
ololo11 [35]4 years ago
6 0
1. between 7 and 8
reasoning:
7^2=49
8^2=64
therefore it must be between the two

2. add all digits together and if they add up to a number divisible by 3 the number is divisible by 3
example: 42 4+2=6 6 is divisible by 3

3. 6√3
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6 0
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the length of a rectangular swimming pool is triple its width the pool covers an area of 192 m squared
SCORPION-xisa [38]
Hope this helps you!

3 0
3 years ago
How many positive integers less than 1000 a) are divisible by 7? b) are divisible by 7 but not by 11?
sashaice [31]

Answer:

  130

Step-by-step explanation:

The number of integers meeting the criteria can be found by counting them using a counting formula.

<h3>Divisible by 7</h3>

Integers divisible by 7 will have the form (7n), where n is some positive integer. The number of them less than 1000 can be found from ...

  7n ≤ 1000

  n ≤ 142.857

There are 142 integers less than 1000 that are divisible by 7.

<h3>Divisible by 7 and 11</h3>

Similarly, integers divisible by 7 and 11 will be of the form (77n), for some positive integer n.

  77n ≤ 1000

  n ≤ 12.987

There are 12 integers less than 1000 that are divisible by both 11 and 7.

<h3>Divisible by 7, not 11</h3>

The number of integers less than 1000 that are divisible by 7, but not 11, will be the difference of these numbers.

  142 -12 = 130 integers divisible by 7, but not 11.

3 0
2 years ago
2 – Efetue:
BartSMP [9]

A) 7x(-5)

A multiplicação de um numero positivo por um numero negativo resulta em um numero negativo: (+) x (-)=(-)

(7x5)

Multiplique os valores

-35

resposta para  A: -35

B)(-9)x(-8)

A multiplicação dois números negativos resulta em um numero positivo : (-)x(-)=(+)

9 x 8

Multiplique os valores

72

Resposta para B :72

C)(-15) : 5

A divisão de um numero negativo por um positivo resulta em um numero negativo: (-):(+)=(-)

-(15:5)

Divida os números

-3

Resposta para C: -3

D) 125 : 25

Divida os números

5

Resposta para D: 5

POR FAVOR ME MARCA BRAINLIEST

5 0
3 years ago
Ally surveyed 5 classrooms. She wanted to know the number of students in each class who love painting. The data she collected fr
melamori03 [73]

Answer:

45 im not to shur

Step-by-step explanation:

10 + 7 + 9 + 11 + 8 = ?

? = 45

8 0
2 years ago
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