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Anit [1.1K]
3 years ago
9

The sum of a number and 4 is equal to -43. Find the number

Mathematics
2 answers:
Vedmedyk [2.9K]3 years ago
6 0

\huge\bold{Given :}

✎ Sum of two numbers = -43

✎ One of the number = 4

\huge\bold{To\:find :}

✿ The other number.

\large\mathfrak{{\pmb{\underline{\orange{Solution}}{\orange{:}}}}}

\sf\blue{The \:other \:number \:is\: -47.} ✅

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}

❥ Let the other number be x.

❥ As per the question, we have

sum \: of \: the \: two \: numbers  =  - 43 \\ ⇢ x + 4 =  - 43 \\ ⇢ x =  - 43 - 4 \\ ⇢ x =  - 47

\sf\purple{Therefore,\:the\:other\:number\:is\:-47.}

\huge\bold{To\:verify :}

( - 47)  + 4=  - 43 \\➪ \:   - 47 + 4 =  - 43 \\  ➪ \:  - 43 =  - 43 \\ ➪  \:  \: L. H. S. = R. H. S

Hence verified.

\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘

Artist 52 [7]3 years ago
4 0

Answer:

the number is -47..

Step-by-step explanation:

let the number be'x'

  • x+4= -43
  • x= -43-4
  • x= -47

hope it helps.

<h2>stay safe healthy and happy.</h2>
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Cost to store: $75<br> Percent of Markup:<br> Selling price: $112.50
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3 0
3 years ago
. All the students in SS3 of a named school take either Mathematics (M), or Physics (P) or Chemistry (C). 40 take Mathematics, 4
aivan3 [116]

Answer:

(a) = 13

(b) = 8

(c) = 5

Step-by-step explanation:

Addition theorems on sets are

Theorem 1 :

n(AuB) = n(A) + n(B) - n(AnB)

Theorem 2 :

n(AuBuC) : = n(A) + n(B) + n(C) - n(AnB) - n(BnC) - n(AnC) + n(AnBnC)

Total number of students in the school is not given

so let there are 60 students in the school

using theorem 2

n(AuBuC) : = n(A) + n(B) + n(C) - n(AnB) - n(BnC) - n(AnC) + n(AnBnC)

let n(A) = Mathematics, n(B) =Physics and n(C) = Chemistry

so putting values,

   60             =    40 + 42 + 38 - 20 - 28 - 25 + n(AnBnC)

60 +73 -120 = n(AnBnC)

         13         = n(AnBnC)

therefore, there are total 13 students who take all three subjects

Number of students who had taken only Mathematics  =
n(A) - n(AnB) - n(AnC) + n(AnBnC)

40 - 20 - 25 + 13

53 - 45 = 8 students

Number of students who had taken only Physics  =

n(B) - n(BnA) - n(BnC) + n(AnBnC)

42 - 20 - 28 + 13

53 - 48 = 5 students

learn more about sets and vein diagrams at

brainly.com/question/2332158

#SPJ10

4 0
2 years ago
A list of numbers is given <br><br><br> 32,16,8,4,2,1<br><br> Write a rule for the pattern
Sphinxa [80]
It is subtracting the current number by 1/2    OR you can divide by 2. each time.

32 / 2= 16
16 / 2=8
8/2=4
4/2=2
2/2=1

Hope this helped!
5 0
3 years ago
Read 2 more answers
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