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Mademuasel [1]
3 years ago
15

At a school number of boys :number of girls11:9 there are 124more boys than girls.work out the total number of students at the s

chool
Mathematics
1 answer:
Pie3 years ago
3 0
The answer is 101.45
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Find the variable 15 = 5 − 13
Lyrx [107]

Answer:

0.4

Step-by-step explanation:

15 = 5p - 13

-13 = 5p -13

----------------  ( subtract 13 on both sides )

 <u> 2 = 5p</u>

  5 = 5p

----------------  ( divide 2 by 5 )

  p = 0.4

( p equals 0.4 )

7 0
3 years ago
HELP ME PLEASE!!!!!!!
kotegsom [21]

Answer:

1. (0,0) (3,1) (6,2)

2. proportinal

3. im so sorry but i cant see that one i really am sorry!

Step-by-step explanation:

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3 0
3 years ago
Two numbers have a sum of 24<br> and a product of 143. What is the<br> smaller number?
jok3333 [9.3K]

Answer:

The smaller number is 11.

Step-by-step explanation:

11 + 13 = 24

11 x 13 = 143

Hope this helps!

4 0
3 years ago
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What is the best estimate for 8.3 x 4.9?
sammy [17]

Answer:

40.67

Step-by-step explanation:

I calculated it

6 0
3 years ago
What is a31 of the<br> arithmetic sequence for<br> which a5 = 12.4 and<br> ag = : 22.4?
MrMuchimi

The value of a₃₁ of the arithmetic sequence exists 77.4.

<h3>How to find the value of a₃₁ of the arithmetic sequence?</h3>

Given: a₅ = 12.4 and a₉ = : 22.4

For the arithmetic sequence a₁, a₂, a₃, ..., the n-th term exists

where d = common difference

a₅ = 12.4,

a₁ + 4d = 12.4 .........(1)

Because a₉ = 22.4,

a₁ + 8d = 22.4 .........(2)

Subtract (1) from (2), we get

a₁ + 8d - (a₁ + 4d) = 22.4 - 12.4

4d = 10

Dividing throughout by 4, we get

d = 2.5

From (1), we get

a₁ = 12.4 - 4 * 2.5 = 2.4

a₃₁ = 2.4 + 30 * 2.5 = 77.4

Therefore, the correct answer is a₃₁ = 77.4

To learn more about the arithmetic sequence refer to; brainly.com/question/6561461

#SPJ9

8 0
1 year ago
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