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Naily [24]
3 years ago
12

Use the order of operations to simplify the following expression.

Mathematics
2 answers:
trasher [3.6K]3 years ago
4 0
I got -28, so I’m guessing it’s none of the other are are correct.
NemiM [27]3 years ago
3 0
None of the answers are correct it’s -28
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Solve -r/4 &lt; 8         <br>A.r&lt;-32<br> B. r. &gt;-32<br> C.r &lt; -2<br><br>D.r&gt;-2
Gnom [1K]
\frac{-r}{4}

Ans.\ B


4 0
4 years ago
Brian bought two DVDs , one priced at $ 5.56 and the other at $ 11.00 .Sales tax on his purchase was 7 % .How much change should
Taya2010 [7]
If you have an iPhone which I do you can use it’s provided calculator ...I added 11.00 and 5.56 together and I ended up with 16.56 and there’s a % button on it and it does calculations for you.. so I added 7% to the order and it spit out $1.59 then I pressed add and it gave me $17.71 subtract 20.00-17.71 you get $2.29 which is your answer
6 0
3 years ago
For the graph find a) b) c) and d)
Whitepunk [10]

Answer:

f(0) = -1

f(\pi) = 1

Domain: All real numbers

Range = [-1,1]

Step-by-step explanation:

Given

The attached graph

Solving (a): f(0)

On the attached graph

f(x) = -1 when x =0

So:

f(0) = -1

Solving (b): f(pi)

On the attached graph

f(x) = 1 when x =\pi

So:

f(\pi) = 1

Solving (c): Domain

There is no restriction on x.

Hence, the domain is the set of all real numbers

Solving (d): Range

In the attached graph

y_{min} = -1

y_{max} = 1

So, the range is:

Range = [-1,1]

5 0
3 years ago
Find the value of this expression
WINSTONCH [101]

Answer:

-5/4

Step-by-step explanation:

Im guessing you were too lazy to do this on your own but its really self explanatory.

5 0
3 years ago
The students in a class are surveyed to find out how many siblings they have. The data is displayed in a frequency table:
raketka [301]

Answer:

  • 1.52

Step-by-step explanation:

<u>The mean number of siblings:</u>

  • (0*5 + 1*10 + 2*8 + 3*2 + 4*1 + 5*1)/(5 + 10 + 8 + 2 + 1 + 1) =
  • 41 /27 =
  • 1.52 (rounded)
4 0
3 years ago
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