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vampirchik [111]
2 years ago
10

Evaluate the expression 81÷ (14 − 5) × 2

Mathematics
2 answers:
mixas84 [53]2 years ago
6 0

Answer:

18

Step-by-step explanation:

since 81 divided by 9 (which is 14-5) is 9

and 9 multiplied by 2 is 18

Naddik [55]2 years ago
4 0

Answer:

See below.

Step-by-step explanation:

81/(14-5)*2

81/9*2

9*2

18

-hope it helps

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Evaluate the expression 6+[(-24)÷6]/19
zlopas [31]
The order of operations is defined by the acronym PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction).
Therefore
6 + [(-24) ÷ 6] / 19
= 6 + [ -24/6 ] / 19      handle parentheses first
= 6 + (-4) /19
= 6 - 4/19                   handle division
= 110/19
= 5 5/9

Answer:  
\frac{110}{19} \,\, or \,\, 5 \, \frac{5}{19} \,\, or \,\,  5.79

4 0
3 years ago
A chocolate shop has 32 chocolates with orange filling , 10 chocolates with strawberry filling and 5 chocolates with coconut fil
IceJOKER [234]

Answer:

C

Step-by-step explanation:

If you add all of the numbers above you will get 47 so

32+10+5=47

and of course there are 32 chocolates with orange filling

so the probability is 32/47

4 0
3 years ago
The standard New York state license plate has three letters followed by four digits. How many different
Verizon [17]

Answer:

175,760,000 possible license plates

Step-by-step explanation:

There are 3 spots where there are 26 choices each  

= 26 ^3

and 4 spots where there are 10 choices each (the digits 0 through 9,  

= 10 ^4

This gives:

26^3*10^4=175,760,000

Hope this Helps...!!

8 0
3 years ago
Question 13 (4 points) (05.03) Which of the following statements best describes the graph of -5x + 2y = 1? (4 points)
alexandr1967 [171]

Answer:

  C) straight line through (1, 3) ... (-3, -7)

Step-by-step explanation:

The linear equation will describe a straight line. The slope and general location of the line on a graph can be estimated from its x- and y-intercepts.

__

<h3>intercepts</h3>

The x-intercept is the value of x that satisfies the equation when y=0.

  -5x +2·0 = 1

  x = -1/5 . . . . . . divide by the coefficient of x

The y-intercept is the value of y that satisfies the equation when x=0.

  -5·0 +2y = 1

  y = 1/2 . . . . . . divide by the coefficient of y

<h3>nature of the graph</h3>

The intercept values mean the line crosses the positive y-axis and the negative x-axis. It will have a positive slope. Points on the line that have integer x- and y-coordinates will have coordinates that have the same sign.

Of the offered answer choices, A and B are eliminated because the graph is <em>not a curve</em>. D is eliminated because the suggested points have coordinates with <em>opposite signs</em>. The correct choice is C:

  It is a straight line joining the points (1, 3), (3, 8), and (-3, -7)

4 0
2 years ago
If sin 0 = 4<br> what is cos O?<br> cos 0 =<br> =<br> Simplify your answer if possible.
Tems11 [23]

Answer:

  cos(θ) = (√33)/7

Step-by-step explanation:

The relevant relation is ...

  cos(θ) = √(1 -sin²(θ))

  cos(θ) = √(1 -(4/7)²) = √(1 -16/49) = √(33/49)

  cos(θ) = (√33)/7

7 0
2 years ago
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