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UNO [17]
4 years ago
8

How to write 7+2-3-8 in sigma notation

Mathematics
1 answer:
Valentin [98]4 years ago
7 0
(7+2-3-8)=0
N=7
Brainliest pts
Hope this helps
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Fred made a block of soap which weighed ⅚ of a pound. He divided the soap into 5 equal pieces. How much did each piece of soap w
Ad libitum [116K]

To do this problem, we have to divide fractions. If you don't know what dividing fraction is I'mgoign to tell you how to do it

<u>How to divide fractions</u>

To Divide fractions, you have to pick the one that is going to be divided and the one that's going to be divided by. Like the dividend and the divisor. Let's say we have 1/2 divided by 1/2.

One important rule in dividing fractions is always flipping the second fraction. If we have 1/2 as the second fraction, we flip it to 2/1 or 2. This action is called the reciprocal.

Once we changed the second fraction to a reciprocal, we multiply the fractions like 1/2 times 2/1 and then we get the answer, 2/2 which equal to one.

If you want, do some practice problems before we do this problem so you can get comfortable with it

1) 2/3 divided by 6/5

2) 4/5 divided by 1/2

3)5/6 divided by 7/8

Now let's get to this problem.

<u>Solving this question</u>

<u />

The first step in solving this question is finding what we need divided by and what we are using to divide by.

What we are dividing is the 5

We can set the equation up like 5/6 divided by 5/1 we have to flip the second fraction: 5/1. We get 1/5. Now let's multiply

5/6*1/5=1/6

So, the answer is 1/6 pounds

I hope this helped

Ps. Brainiest would help a lot

7 0
2 years ago
If you spin the spinner 96 times, what is the best prediction possible for the number of times it will land on yellow or red? Bl
algol [13]
Probability of it turning out the way you want =

         (number of different outcomes that you like)
divided by
         (total number of ways it can possibly turn out) .

Total number of ways the spinner can land = (1 + 4 + 6 + 1) = 12
Number of ways you'll be happy with = (yellow + red) = (6 + 4) = 10

Probability of a spin that you like =    10/12  =  5/6  =  (83 and 1/3) % .

If the spinner is honest, well-balanced, and doesn't stick or scrape,
and nobody blows or sits on it while it's spinning, then you'll predict
that  5/6  of the spins will turn out in ways that you like.

         5/6  of  96  =  80 spins .
3 0
3 years ago
match the vocabulary word to its correct definition 1 additive identity 2 equation 3 multiplicative identity 4 open sentence 5 s
Semenov [28]

Answer:

See below.

Step-by-step explanation:

match the vocabulary word to its correct definition

1 additive identity

—the number 0 (for the numbers)

2 equation

—a mathematical sentence whose verb is ‘equal’ (=)

3 multiplicative identity

—the number 1 (for the real numbers

4 open sentence

—an equation that contains a variable or variables

5 symmetric property

—when the sides of an equation are interchanged, an equivalent equation is formed ; if a=b, then b=a

3 0
3 years ago
Figure VWYX is a kite.<br><br> What is the value of x?
Alecsey [184]

Answer:

x=6\°

Step-by-step explanation:

we know that

The sum of the internal angles of a kite is equal to 360\°

so

In this problem we have

90\°+90\°+(18x-2)\°+(12x+2)\°=360\°

(18x-2)\°+(12x+2)\°=360\°-180\°

30x=180\°

x=6\°

8 0
3 years ago
Read 2 more answers
Help me, please! Love math but there are some things that fumble my brain. Look at the picture below and follow directions. Plea
Elden [556K]

Answer:

In 2007 it was 450 and 2011 it was 300

Step-by-step explanation:

So the change was 300 I think this correct

3 0
3 years ago
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