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SVETLANKA909090 [29]
4 years ago
14

at a local preschool there is a ratio of 4 of 3 boys to every 4 girls if there are 245 total preschoolers enrolled how many are

boys
Mathematics
1 answer:
TiliK225 [7]4 years ago
4 0
There are 105 boys. and 140 girls
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Solve the following expressions (plz explain)
Mars2501 [29]
9 to the 3rd power is 729 And 2 to the 5th power is 32. You multiple 9, 3 times. 9 times 9 times 9 and you multiply 2, five times. 2 times 2 times 2 times 2 times 2
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4 years ago
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Please help me!!!<br> asap please please please
mamaluj [8]

Answer:

I'm pretty sure its the 3rd answer

8 0
3 years ago
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What is 9.85km to 5000m as a ratio in it's lowest terms
Rzqust [24]

Answer:

197:100

Step-by-step explanation:

9.85km in m =9850m

9850:5000

÷10 ÷10

985:500

÷5 ÷5

197:100

as we can’t simplify any more, this must be the lowest term.

6 0
3 years ago
3 points lie on an xy plane, with each point representing where a particular person lives. Amy lives at point (2,3); Brian lives
geniusboy [140]
The equidistant point for all three, will be the "centroid" of their triangular locations
thus \bf \textit{Centroid of a Triangle}&#10;\begin{array}{llll}&#10;Amy&#10;\begin{array}{llll}&#10;(2,3)\\&#10;x_1,y_1&#10;\end{array}\quad Brian&#10;\begin{array}{llll}&#10;(0,7)\\&#10;x_2,y_2&#10;\end{array}\quad Claire&#10;\begin{array}{llll}&#10;(-2,3)\\&#10;x_3,y_3&#10;\end{array}\\ \quad \\\\\\&#10;\left(\cfrac{x_1+x_2+x_3}{3}\quad ,\cfrac{y_1+y_2+y_3}{3}\quad \right)&#10;\end{array} &#10;
6 0
3 years ago
Write the sentence as an absolute value inequality, then solve the inequality: A number “n” is more than 9 units from 3
Helga [31]

Answer:

absolute vlaue inequality: |x-3| > 9; solved: x<-6 and x>12

Step-by-step explanation:

I’m going to start this off by saying I learned all this right now by just searching up how to solve an absolute inequality equation and watching one video, so this might not be an accurate explanation. (I’m pretty sure the answer’s right though)

So an absolute value inequality must be written like this:  

| x - a | *inequality* b

a is going to be the number that the inequality is centered around, in this case, 3. b will be how far you can deviate from that number, which in this case is 9.  

Now, you will have this:

|x - 3| *inequality* 9

Now, to find the inequality, you need to understand the wording. If it says “more than” as it does here, then you would have the greater-than symbol (>). If you have “less than” then you’d have the less-than symbol (<). If the problem says “at least b away” then it would be greater-than-or-equal to (≥), and likewise, if it says “at most b away” then it would be less-than-or-equal-to (≤).

So now we're at:

|x - 3| > 9

To solve the equation, you just need to subtract 9(b) from 3(a) and add 9(a) to 3(b) to get -6 and 12. Since x must be more than 9 units away, you would get:

x<-6 and x>12

Hope this is helpful!

6 0
3 years ago
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