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Lyrx [107]
2 years ago
9

Explain how you would subtract -4 - 6 using a number line​

Mathematics
1 answer:
AlladinOne [14]2 years ago
6 0

Start at -4 on the number line. Move 6 units to the left to get to -10

This shows -4 - 6 = -10

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You have a bag of chocolate candy. Ten of them are red, 7 are brown, 12 are green, and 9 are blue. What is the probability that
Brrunno [24]

It would be \frac{10}{38}, or, in simplest form, \frac{5}{19}.

You get this by adding all the marbles to find the total number of marbles. <em>10+7+12+9</em>, which equals <em>38</em>.

You have <u>10 red marbles out of 38 total</u>, so that is represented by \frac{10}{38}!

5 0
3 years ago
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Each Purse Contains 8 Coins. Find A rule to give the total number of coins in 'n' purses.
kozerog [31]

Answer:

8n

Step-by-step explanation:

8 0
3 years ago
What is the least number n with the property that, in every group of n people, there are at least three people who are all frien
8_murik_8 [283]

Answer:

hello your question is incomplete attached below is a the complete question

answer : n = 5

Step-by-step explanation:

lets consider N to be 5

To prove that the least number 'n' = 5

we will represent this information in a graph as vertex

Black edge = Friends

Blue edge = not Friends

From the attached diagram any  vertex contains 0,1,2,3,4 black lines and 4,3,2,1,0 blue lines

attached below is an explanation related to the choice of n = 5

considering n = 5 is satisfied by the explanation given

8 0
2 years ago
How do you simplify this expression? 9x(7-4) (2) +9<br> the 2 is an exponent
brilliants [131]
Here is a way you can write an exponent on the phone (x^2) just so you don’t have to explain the 2 is an exponent

i am confused on where the exponent is supposed to be so could you please rewrite it and i will help you solve it!
7 0
3 years ago
The vertex of this parabola is at (-1,-3) which of the following could be its equation
Gnesinka [82]
Since these are parabolas with y being squared, the standard form of such a parabola with vertex at (h, k) is 

<span>x = a(y - k)^2 + h </span>

<span>There are no steps. Just look at what is inside the parentheses and compare it to (y - k) with k = -3. </span>
<span>Then look at what is added and compare it to h = -1. </span>

<span>For instance, A has (y + 1) in parentheses. So k = -1. And it has -3 added, so h = -3. That would be a vertex at (-3, -1).</span>
6 0
3 years ago
Read 2 more answers
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