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3 years ago

Bracket is necessary in order of operations

Mathematics

2 answers:

Makovka662 [10]3 years ago

5 0

Answer:

yes

Step-by-step explanation:

they are necessary

dexar [7]3 years ago

5 0

Answer:

yeah they are necessary in fact they are the first when you use BODMAS

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Answer:

30 60 90

Step-by-step explanation:

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3 years ago

F(x)= -2 |x-2|+ 4 vertically stretched by a factor of 2.

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Answer:

f(x) = 4x^2 +2,

is the function

Step-by-step explanation:

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Using the table above find this: If 300 parents were surveyed, how many were for uniforms

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3 years ago

With three boys on a large scale, it read 170 pounds. When Adam stepped off, the scale read 100 pounds. When both Adam and Ben s

Elden [556K]

Answer:

Adam = 70 pounds

Ben = 40 pounds

C = 60 pounds

Step-by-step explanation:

We can work out some equations based on the given information:

We can call the boys A, B and C

so,

when all three boys are standing on the scale, it reads 170 pounds.

$A + B + C = 170$ - Eq(1)

when Adam stepped off, the scale reads 100. This means that the combined weight of the remaining two boys is 100.

$B + C = 100$ - Eq(2)

when both Adam and Ben stepped off, the weight of the remaining boy is shown on the scale.

$C = 60$

So we already knew the weight of boy C. (it was in the question all along)

$C = 60$ pounds

<u>Now to find the individual weights of the remaining boys, we can work our way backwards</u><u> </u>

we can put this value back in Eq(2), to find the weight of boy B.

$B + C = 100$

$B + 60 = 100$

$B = 100 - 60$

$B = 40$

the

the weight of boy B (Ben) is $B = 40$ pounds

now we can put all of the known weights of the boys in Eq(1) to find the weight of Boy A.

$A + B + C = 170$

$A + 40 + 60 = 170$

$A + 100 = 170$

$A = 170 - 100$

$A = 70$

the weight of boy A (Adam) is $A = 70$ pounds

The Answer:

Adam = 70 pounds

Ben = 40 pounds

C = 60 pounds

7 0

4 years ago

You wish to accumulate $14,580 in 6 years. Payments are made at the end of every six-month period into an account earning 7.2% c

BlackZzzverrR [31]

Equation required for this question:

an • 1.072^n = 14,580

Where a = payment every half year and n = number of half years

There are 12 half years in 6 years.

Therefore n = 12, substitute this.

12a • 1.072^12 = 14,580

12a = 14,580 / 1.072^12

12a = 6,330~

a = 527.5 ~

7 0

4 years ago

Bracket is necessary in order of operations​

Bracket is necessary in order of operations