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GaryK [48]
3 years ago
15

Please help me,...........​

Mathematics
2 answers:
leonid [27]3 years ago
5 0

Step-by-step explanation:

42 boys can count.

the probability that any pupil is a boy and can count?

0.42

Tema [17]3 years ago
4 0
The probability boys can count:
Decimal = 0.42
Fraction = 42/100
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Y = x^2 + 6x + 4<br><br>Find the vertex<br>And please explain how I don't understand.
Bond [772]

Answer:

(-3, -5) This is my answer I hope it helps

3 0
3 years ago
Please I need some help!
Schach [20]

(f+g)(x) = 8x+2

(f-g)(x) = 4x-6

Step-by-step explanation:

Given

f(x) =6x-2\\g(x)=2x+4

we have to find

<u>a. (f+g)(x)</u>

(f+g)(x)=f(x)+g(x)\\=(6x-2)+(2x+4)\\=6x-2+2x+4\\=6x+2x-2+4\\=8x+2

<u>b. (f-g)(x)</u>

(f-g)(x)=f(x)-g(x)\\=(6x-2)-(2x+4)\\=6x-2-2x-4\\=6x-2x-2-4\\=4x-6

Hence,

(f+g)(x) = 8x+2

(f-g)(x) = 4x-6

Keywords: Functions, Operations on Functions

Learn more about functions at:

  • brainly.com/question/4021035
  • brainly.com/question/4034547

#LearnwithBrainly

7 0
3 years ago
Please answer correctly !!!! Will mark BRAINLIEST !!!!!!!
Reika [66]

Answer:

g(n) = \frac{11+5n}{3}

Step-by-step explanation:

Given

3m - 5n = 11

Rearrange making m the subject

Add 5n to both sides

3m = 11 + 5n ( divide both sides by 3 )

m = \frac{11+5n}{3} , thus

m = g(n) = \frac{11+5n}{3}

4 0
3 years ago
A city has 4 new houses for every 7 old houses. If there are 32 new houses in the city, how many old houses are there?
Maslowich

So the ration is 4:7

The total of houses is 32 new houses. What I did was I divided 32 by 4:

32/4 = 8

That means that the ratio (4:7) would be multiplied by 8 (only the :7 part):

7 * 8 = 56

There are 56 old houses (the ratio is now 32:56)

<em>Thank you and can you please give me brainly :3</em>

<em />

3 0
3 years ago
1)if the equations 2x +y=7 and x-y= 2 are solved simultaneously, then y =
Dimas [21]

Answer:

Step-by-step explanation:

1)  2x + y =7 -------------(I)

   x - y = 2   -----------(II)

2x + y = 7

<u> x - y = 2 </u>   {Now add both the equations. 'y will be cancelled}

3x     = 9

      x = 9/3

      x = 3

Plugin x = 3 in equation (I)

 2*3 + y = 7

     6+ y = 7

            y = 7 - 6 = 1

Answer: a) y = 1

2) Prime factorize 12 , 15 and 18

12 = 2 * 2 * 3

15 = 3 * 5

18 =  2 * 3 * 3

HCF = 3

e) 3

6 0
3 years ago
Read 2 more answers
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