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denis23 [38]
3 years ago
14

Im want to know hiw too solve the problem 15-7+2​

Mathematics
2 answers:
Sindrei [870]3 years ago
7 0

For this case we must solve the following expression:

15-7 + 2

By law of signs of the sum we have to comply:

  • Equal signs are added and the same sign is placed.
  • Different signs are subtracted and the major sign is placed.

So, we have:

+ 8 + 2 = 10

Finally we have to:

15-7 + 2 = 10

Answer:

10

professor190 [17]3 years ago
3 0

15-7+2

Use PEMDAS

P=Parentheses

E= Exponents

M=Multiplication

D=Division

A= Addition

S=Subtraction

15-7+2

15-5

=10

Answer: 10

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Suppose you want to draw a rectangle where the width is 7 inches less than the length and the diagonal is 2 inches longer than t
IrinaK [193]
The diagonal of a rectangle is:
 d ^ 2 = w ^ 2 + l ^ 2
 Where,
 w: width
 l: long
 Substituting values we have:
 (l + 2) ^ 2 = (l-7) ^ 2 + l ^ 2
 Rewriting we have:
 l ^ 2 + 4l + 4 = l ^ 2 -14l + 49 + l ^ 2
 l ^ 2 -14l + 49 - 4l - 4 = 0
 l ^ 2 -18l + 45 = 0
 (l-15) (l-3) = 0
 The solutions are:
 l = 15
 l = 3
 The viable solution is:
 l = 15
 Thus, the width is:
 w = l-7
 w = 15-7
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 Answer:
 
the dimensions of the rectangle are:
 
l = 15
 w = 8
8 0
3 years ago
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ladessa [460]

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6 0
3 years ago
Identify the domain of the function shown in the graph
andrew11 [14]

Answer:

C. -5\le x\le 5.

Step-by-step explanation:

The domain of the function refers to the values of x for which the function is defined.

We can see from the graph that, the function is defined within the interval,

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When we trace any x-value outside this interval, either up or down we will not meet the function.

Hence, the domain is  -5\le x\le 5.

8 0
4 years ago
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zimovet [89]
90-37= 53


B=53 degree
6 0
3 years ago
3m − 9n = 24; n = −1, 1, 3
Bogdan [553]

m=24=+(-9,1,3

        3

Step-by-step explanation:

Substitute n=3,\pm 1n=3,±1 into 3m-9n=243m−9n=24

Solve for mm in 3m-(-9,1,3)=243m−(−9,1,3)=24

8 0
3 years ago
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