What is the name of the number that tells you how many groups?

Mathematics

1 answer:

OLga [1]3 years ago

6 0

Answer:

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Step-by-step explanation:

you begin with fifteen items and want to know how many groups you can make with three items in each group. The answer, or quotient, is the number of groups. 3 = 5. The number that is divided is called the dividend and the number which the dividend is being divided by is the divisor.

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andrey2020 [161]

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What is the sum of r + s when r = –17.6 and s = 12.2? A. –29.8 B. –5.4 C. 5.4 D. 29.8

tankabanditka [31]

C. -5.4 -17.6+12.2= -5.4 because -17.6 goes first in the calculator but also its a negative

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3 years ago

Which table represents a function?

Oliga [24]

Answer:

table 1

Step-by-step explanation:

table one, because you have different value of x (inputs) with no repetition for the same value

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2 years ago

How do i calculate? All the way to s_75. It’s so long

mina [271]

Answer:

-675

Step-by-step explanation:

The sum can be broken into parts that you know. Here, one of those parts is the sum of numbers 1 to n. That sum is given by n(n+1)/2.

$\displaystyle S_{75}=\sum\limits_{n=1}^{75}{(67-2n)}=\sum\limits_{n=1}^{75}{67}-2\sum\limits_{n=1}^{75}{n}\\\\=75\cdot 67-2\dfrac{75(75+1)}{2}=75(67-76)\\\\=\bf{-675}$

Another way to do this is to realize the sequence of numbers is an arithmetic sequence with a first term of 65 and a last term of 67-2·75 = -83.

The sum of an arithmetic sequence is found by multiplying the number of terms by their average value. Their average value is the average of the first and last terms.

The average value of those 75 terms is (65 +(-83))/2 = -9, so their sum is ...

75(-9) = -675

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3 years ago

First one to answer randomly gets brainliest!

s344n2d4d5 [400]

Answer:

Step-by-step explanation:

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2 years ago

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