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valina [46]
3 years ago
10

Simplify. 12+(38−18)2

Mathematics
2 answers:
vovangra [49]3 years ago
6 0
Assuming you meant 12+(38-18)²


PEMDAS
order of operations
so first simplify inside the paretnahsees
38-18=20

now we has
12+(20)²
exponents
20²=400

now we has
12+400
addition
412
julia-pushkina [17]3 years ago
3 0
The answer is 52. remember PEMDAS (parentheses, exponents, multiplication, division, addition, subtraction) you can use "please excuse my dear aunt sally" to help you remember!  :)
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Can someone help me…
aleksandr82 [10.1K]

Answer:

378$

Step-by-step explanation:

since u got 700ft^2 you would multiply 700 with 0.54 and get 378$

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2 years ago
The sum of two integers is 21. Fifteen less than double the square of the smaller integer is equal to the larger
Salsk061 [2.6K]

Answer:

2x^2+x-36=0

(4,0)

2*4^2+4-15=21

Step-by-step explanation:

6 0
3 years ago
I need this answered please
zhannawk [14.2K]

Answer:

Second Option: 3, -3

Step-by-step explanation:

In the graph of the supplied function we observe f (x) is a piece wise function composed of two line segments and a point.

f(x) = 3   if   x, f(x) = -3   if  x> 2, f(x) = 1 if x = 2

We must find the limit when x approaches 2 from the left

\lim_{x \to 2^-}f(x)

and we must find the limit when x approaches 2 on the right.

\lim_{x \to 2^+}f(x)

when x approaches 2 on the left then x. If x then f (x) = 3, therefore the \lim_{x \to 2^-}f(x)=3

When x approaches 2 on the right then x> 2. If x> 2 then f (x) = -3, therefore the \lim_{x \to 2^+}f(x)=-3.

8 0
3 years ago
What is the solution to the equation below?<br> log 20x3 - 2log x=4
andrey2020 [161]

Answer:

x=500

Step-by-step explanation:

To solve the equation given, we will follow the steps below:

log 20x³ - 2log x=4

using the law of logarithm,

2log x = log x²

so, our equation becomes;

log 20x³ - log x²=4

Also using another law of logarithm;

log 20x³ - log x² = log (20x³/x²)

our equation becomes;

log (20x³/x²) = 4

log 20x = 4

from the definition of logarithm, logarithm is the power of the exponential

10⁴ = 20 x

10000 = 20x

divide both-side of the equation by 20

10000/20 = 20x/20

at the right-hand side of the equation 20 will cancel-out 20 leaving us with just x  and the left-hand side of the equation, 10000 will be divided by 20

500 = x

x = 500

8 0
4 years ago
Evaluate 2 |x-4| + 6 when X = -3<br> please help.
algol [13]

Answer:

20

Step-by-step explanation:

The answer can’t be a negative because of the absolute value. |-3-4| =-7

so you would consider that as 7.

2x7=14

14+6=20

6 0
3 years ago
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