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schepotkina [342]

3 years ago

13

5+(9+6×3-3)-3Iusing order of operations

2 answers:

mario62 [17]3 years ago

7 0

Ur an idiot use a calculator

Degger [83]3 years ago

3 0

Remember PEMDAS. Parentheses, exponents, multiplication, division, addition, and subtraction. Also remember with multiplying and dividing go from left to right. Same applies with subtracting and adding. Follow these steps:

5+(9+6*3-3)-3
5+(9+18-3)-3
5+(27-3)-3
5+4-3
9-3
6

If you still need help feel free to contact me

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PLEASE HELP ! find the value of x.

AnnZ [28]

Answer:

??

Step-by-step explanation:

I dont see anything

8 0

3 years ago

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X + (2x + 5) = 3(x – 4)+7

eduard

Answer:

Not true

Step-by-step explanation:

x + (2x + 5) = 3(x – 4)+7

Opening bracket on left and side and distributing 3 over (x-4) on right hand side

x+2x+5=3x-3 x 4 + 7

adding like terms

3x+5=3x-12+7

3x+5=3x-5

Hence

5 = -5

Which is not possible , Hence the equation given to us is false.

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3 years ago

A Samsung Galaxy tablet sells for $299, which is marked up 40% of the selling price. What's the cost of the tablet?

Serjik [45]

The cost will be 119.6.

8 0

3 years ago

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A scuba diver is swimming at an elevation of 52 feet below sea level. She sees it'school of fish and rises 16 feet to watch the

amm1812

-46

52-16=negative 46 because shes still below sea level

7 0

3 years ago

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?? So lost with this

labwork [276]

Answer:

$A)\ 1,\ -1,\ -3\\\\B)\ d=-2\\\\C)\ \left\{\begin{array}{ccc}a_1=11\\a_n=a_{n-1}-2\end{array}\right\\\\D)\ f(n)=-2n+13$

Step-by-step explanation:

It's an arithmetic sequence.

9 = 11 - 2

7 = 9 - 2

5 = 7 - 2

3 = 5 - 2

A) next three terms: 3 - 2 = 1, 1 - 2 = -1, -1 - 2 = -3

B) Common difference = -2

C) Recursive Function:

$\left\{\begin{array}{ccc}a_1=11\\a_n=a_{n-1}-2\end{array}\right$

D) Explicit Function:

$f(n)=a_1+(n-1)d$

a₁ - first term

d - common difference

Substitute a₁ = 11 and d = -2:

$f(n)=11+(n-1)(-2)=11-2n+2=-2n+13$

4 0

4 years ago