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tigry1 [53]
3 years ago
13

(40 points) I need some help please. An answer definition is appreciated as well.

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

We are summing the 3rd 4th and 5th terms because k goes from 3 to 5

The third term is

-2(3) +5 = -6+5 = -1

The fourth term is

-2(4) + 5 = -8+5 = -3

The fifth term is

-2(5) +5 = -10 +5 = -5

Add these 3 terms together

-1+-3+-5 = -9

Vinvika [58]3 years ago
3 0
IT IS -9 BUT THE OTHER GUY ANSWERED BEFORE ME SORRY LATE
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Which expression represents the product of 4 and the difference of 17 and 9 which one is correct 4+(17+9) or 4+(17-9) or 4 times
VikaD [51]

Answer:

the answer is 4 × (17 - 9)

difference = 17 - 9

product 4 times

8 0
2 years ago
Guys I need help I'm giving brainlist also show your work for me please this is my last math problem help​
gladu [14]

Answer:

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Step-by-step explanation:

5% of 25,340 is 1267

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6 0
3 years ago
I need to understand the solution.
Anika [276]

Answer:

A

Step-by-step explanation:

Rules:

odd x odd = odd

even x even = even

even x odd = even

even + even = even

odd + odd = even

odd + even = odd

We can determine whether 2a + 3b is odd if we have both statements because we know that a is odd and 2 is even, which means their product will be even. 3 is odd and b is odd, so their product will be odd. The sum of the even and odd will be odd.

If we have just the second statement we can determine the answer because anything multiplied by 2 is even.

So whether or not we know if a is odd, we know that 2a is even because 2 doubles everything which means it's divisible by 2 which means it's even.

However, statement 1 alone is not enough because if a is odd, then 2a is even. However, 3b can be even or odd depending on b. If b is odd, then 3b is odd. if b is even, 3b is even.

Therefore, if you have statement 2 you can answer the question but if you only have statement 1 then you also need statement 2

4 0
3 years ago
TELL me WHYYYYYYYYYYYYYYYYYYYYYYYYYYY
andrezito [222]

Answer:

I want it THAT WAY

Step-by-step explanation:

3 0
2 years ago
59% of 640. We are supposed to find the percent of each number (as you can see)
Novosadov [1.4K]

Answer:

377.6

Step-by-step explanation:

Multiply 59 by 640 and then move the decimal point over two numbers.

59% of 640

59 x 640

37760.0

377.6


4 0
3 years ago
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