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Diano4ka-milaya [45]
3 years ago
13

Solve for k. 2S=n(a+k)

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
5 0
It would be k= -a+2s/n
hope it helps!
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<img src="https://tex.z-dn.net/?f=%5Cbf%20x-17%3D-25" id="TexFormula1" title="\bf x-17=-25" alt="\bf x-17=-25" align="absmiddle"
Sonbull [250]
To solve this, add 17 to both sides:
x = -25 + 17
x = -8
5 0
3 years ago
Read 2 more answers
5% of the toddlers in a preschool class drink water with their lunch. How many toddlers are in the class if 3 drink water with t
OLga [1]

Answer:

<u>There are 60 toddlers in the preschool class</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Percentage of the toddlers in a preschool class drink water with their lunch = 5

Number of the toddlers in a preschool class drink water with their lunch = 3

2.  How many toddlers are in the class?

We'll solve the question, using the Direct Rule of Three, this way:

Percentage      Toddlers

      5                       3

    100                     x

*******************************

5x = 3 *100

5x = 300

x = 300/5

x = 60

<u>There are 60 toddlers in the preschool class</u>

6 0
3 years ago
I need help...... someone plzzz help
bagirrra123 [75]
The answer is 58 and 39
8 0
3 years ago
Read 2 more answers
The drawing of a building shown below has a scale of 1 inch to 30 feet. What is the acual height in feet of the building?
mylen [45]
Multiply the amount of inches it is by 30 and you will know what the size is in feet.

8 0
3 years ago
Read 2 more answers
There are 12 students in a classroom, including the triplets joey, chloe, and zoe. If 3 of the 12 are randomly selcted to give s
forsale [732]

The probability of choosing Joey first is  1/12 .

If that happens, the probability of choosing Chloe next is  1/11 .

Then, the probability of choosing Zoe after that is  1/10 .

The probability of all these things happening is

          (1/12) x (1/11) x (1/10) 

       =  1/1320 = 0.00076 = 0.076 percent 

3 0
3 years ago
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