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PSYCHO15rus [73]
3 years ago
7

1+(2x3)-(-3) plz explain how it equals 10

Mathematics
1 answer:
KengaRu [80]3 years ago
8 0

Answer:

10

Step-by-step explanation:

Use order of Operations - PEMDAS

First, (2x3) = 6

Now you have, 1+6-(-3)

Then take the -(-3) and make it +3, cause a subtraction and negative sign make a positive.

Now you have, 1+6+3

Then add it all together to get 10

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Evaluate f(x)=e2x−1+2 when x=3. Give an approximate answer rounded to three decimal places.
olganol [36]

Answer:

f(3) ≈ 17.310

Step-by-step explanation:

e = 2.71828

Step 1: Define

f(x) = e2x - 1 + 2

x = 3

Step 2: Substitute and evaluate

f(3) = e2(3) - 1 + 2

f(3) = 6e + 1

f(3) = 16.3097 + 1

f(3) = 17.3097

f(3) ≈ 17.310

7 0
4 years ago
Alaina needs to sell 225 boxes in order to be the top seller. She sells thin mints and samoas to all of her customers for a tota
Digiron [165]

Answer:

94 boxes of samoas

131 boxes of thin mints

Step-by-step explanation:

m=mints

s=samoas

s+m=225    m=225-s

s(2.5)+m(3)=628

2.5s+3m=628

substitute for m

2.5s+3(225-s)=628

2.5s+675-3s=628

reduce

-0.5s=-47

s=94

m=131

4 0
3 years ago
2. Dr. Scott bought 3 pound of oranges for $1.50. How much would 7
n200080 [17]

Do 1.50 divided by 3 to get the unit price.

6 0
3 years ago
There is a spinner with 15 equal areas, numbered 1 through 15. If the spinner is spun
Brrunno [24]

Answer:

1/3 and 1.5

Step-by-step explanation:

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15

There are 5 Multiples of 3 on the Spinner and 3 multiples of four.

5/15 is the probability for a multiple of 3 which can be simplified to 1/3

3/15 is the probability for a multiple of 4 which can be simplified to 1/5

Hope this Helps!

5 0
4 years ago
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olga2289 [7]
10 times a number y
3 subtracted by A number x
12 times a number n
5 0
3 years ago
Read 2 more answers
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