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dalvyx [7]
3 years ago
8

The qestion is in the picture ​

Mathematics
2 answers:
Molodets [167]3 years ago
8 0

Answer:

25 I think. Hope it works!

tigry1 [53]3 years ago
6 0

Answer:

25 students are in the class.

Step-by-step explanation:

There are 3/5 girls, and there are 10 boys, so there are 2/5 boys. 5/5 is the whole class, so here is how we would solve it: 2/5=10  3/5=15, 10+15=25.  Hope this helps!

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ilgram surveyed both a panel of Yale undergraduates and a panel of psychology professors before he conducted his original experi
Anarel [89]

Answer:

The answer is "Choice A"

Step-by-step explanation:

Please find the numbering of the question in the attached file.

Before they performed his initial experiment, Milgram examined both a Yale undergraduate panel as well as a psychology panel. In all of these polls, the majority of the people expected which less than 1 percent will go to 450 volts, that's why Milgram subsequently surveyed the respondents and found 84% happy they had taken part, but only 1% regretted their participation.

3 0
3 years ago
Use the distributive property -5 {x + 4} + -3x + -9x + -7
grin007 [14]

Answer:

-17x - 27

Step-by-step explanation:

Distributive property is the multiplication of the number outside the parenthesis and the ones inside.

-5(x + 4) + -3x + -9x + -7

-5x - 20 + -3x + -9x + -7

Combine like terms:

-5x - 20 + -3x + -9x + -7

-5x +-3x

 -8x + -9x

      -17x

-17x - 20 + -7

     -20 + -7

         -27

The answer is -17x - 27

Hope this helped.

8 0
3 years ago
A company wants to have $20,000 at the end of a ten-year period by investing a single sum now. How much needs to be invested in
Sergio039 [100]

Answer:

<h2>Principal is $6441.22 </h2>

Step-by-step explanation:

let us assume  the investment is compounded over the given period

Given data

Final amount A= $20,000

Rate r= 12%= 0.12

Time t= 10 years

principal=?

The compound interest formula is

A= P(1+r)^n^t

Substituting our given data we have

20000= P(1+0.12)^1^0\\20000= P(1.12)^1^0\\20000= P(3.105)\\

Dividing both side by 3.105 to find P

P=\frac{20000}{3.105} \\P= 6441.22

Principal is $6441.22

4 0
4 years ago
Shannon sells handmade wallets for $12 each.
Llana [10]
She sold n yesterday
today she sold n-3

ok, so
12(n+n-3)=396
12(2n-3)=396
divide both sides by 12
2n-3=33
add 3 to both sides
2n=36
divide both sides by 2
n=18

sold 18 wallets yesterday
5 0
3 years ago
What is the solution to 4x+6_&lt; 18
Murljashka [212]

Answer:

I think the answer is x<3

5 0
3 years ago
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