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oksano4ka [1.4K]
3 years ago
10

Evaluate. 72 - 3 + 9 × 8 ÷ 2 w =

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
6 0

Answer:

Step-by-step explanation:

Request of activities so increase then division, at that point deduction and expansion.  

9*8 = 72  

72/2 = 36  

72-3 = 69  

69+36 = 105

Another way of saying it is:

Utilize the request for tasks to improve on mathematical articulations. The request is brackets, types and roots, augmentation and division, expansion and deduction. Duplication and division are "something similar" so you would utilize the first that happens from left to right.  

Bit by bit clarification:  

7^2 - 3 + 9 x 8 ÷ 2  

49 - 3 + 9 x 8 ÷ 2  

49 - 3 + 72 ÷ 2  

49 - 3 + 36  

49 - 39  

W=10  

Brainliest?

Ymorist [56]3 years ago
4 0
80% sure this is right-
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3 0
3 years ago
1. Find the interest generated by a balance of $7800 on a credit card charging 27.8% interest per year over a 30 day period usin
Tema [17]

Answer:

the interest generated over 30 days using banker's rule is $180.7

Step-by-step explanation:

balance =  $7800

credit card charging interest rate per year = 27.8%

interest generated over a 30 day  period =

                                  = P × R ×T

                    = 7800\times 0.278\times \dfrac{30}{360}

                                  =   $180.7

hence, the interest generated over 30 days using banker's rule is $180.7

8 0
3 years ago
What is the solution of this equation? -9+7b=8b-7​
Anni [7]

Answer:

b=-2

Step-by-step explanation:

-9+7b=8b-7\\-9+9+7b=8b-7+9 \leftarrow \text {Addition Property of Equality} \\7b+8b=2\\7b-8b+8b-8b=2\leftarrow \text {Subtraction Property of Equality} \\-b=2\\\frac{-b}{-1}=\frac{2}{-1}  \leftarrow \text {Division Property of Equality}\\\boxed {b=-2}\\\\\huge\text {The value of 'b' should be -2}

3 0
3 years ago
Let the experiment be the toss of six coins in a row. Let X be number of of coins that turn up heads. Determine whether the foll
Leni [432]

Answer:

True

Step-by-step explanation:

When a coin is tossed six coins in a row, there are a total of 2^6 outcomes.

The possible number of times for a heads are {0, 1, 2, 3, 4, 5, 6}.

Let our random variable, Number of coins that turn up heads be X

X={0, 1, 2, 3, 4, 5, 6}.

The event that X<3 and the event that X>3 cannot occur simultaneously in the same outcome.

In an outcome, its either one of the following happens:

  • Number of heads = Number of Tails =3
  • Number of heads < Number of Tails
  • Number of heads > Number of Tails
  • Number of heads cannot be greater than Number of Heads

Therefore, the events that X<3 and X>3 are independent.

5 0
4 years ago
How do I calculate the perimeter and the area
patriot [66]
It is a semicircle so you'd use this formula for the area:

πr² / 2

Then substitute 2 into r and solve (2 because it's the radius, 4 is the diameter)

You would use this formula for the perimeter:

(πd / 2) + d
or
πr + 2r

Then substitute 4 into d / 2 into r and solve.

Hope I helped :)
3 0
3 years ago
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