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TEA [102]
3 years ago
9

Grogg skips count by 5 starting at x. The sum of the first 5 numbers he says is 65. What is the value of x?

Mathematics
1 answer:
Over [174]3 years ago
3 0

Answer: 11

Step-by-step explanation:

Let the 5 numbers be x,x+1,x+2,x+3 and x+4.

Therefore,

x + x+1 + x+2 + x+3 + x+4 = 65

5x + 10 = 65

5x = 65 - 10

5x = 55

x = 55/5

x = 11

Therefore, the 5 numbers are 11, 12, 13, 14 and 15.

The first number is 11

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–2z − 7 need this done now
Debora [2.8K]

Answer:

the value of the z is -3.5

Step-by-step explanation:

According to the question, the following information is given

-2z - 7

Based on the above information

We assume that we have to determine the z value

so

-2z - 7 = 0

-2z = 7

z = 7 ÷ -2

= -3.5

Hence, the value of the z is -3.5

The same is to be considered and relevant too

5 0
3 years ago
Which of these four sets of side lengths will form a right triangle?
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Answer:

Set 4

Step-by-step explanation:

26ft, 6ft, and 9ft will form a triangle

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3 years ago
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NeTakaya

Game = 2 & Ride = 7 -> 7 - 2 = 5 & 3.5(2) + 5(7) = 42

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3 years ago
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VLD [36.1K]

Answer:

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The highest would be 49

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which expression represents purely real numbers and which expression represents non-real complex number?​
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Incomplete question. However, I provided some explanation about non-real complex numbers.

<u>Explanation</u>:

In Mathematics, the term complex numbers (non-real complex numbers) in simple terms refers to numbers that containing an imaginary addition to it.

For example, the numbers 3i, 3 + 5i, 3i/4 are <u>non-real numbers</u> because of the addition of an imaginary part which is denoted by 'i'.

While real numbers, on the other hand, are numbers that do not include an imaginary part; they stand on their own, such as whole numbers 0, 1, 2, 3, etc, rational numbers like 3/4, etc.

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