Order of operations:
2 • {390 – [5 • (10 – 4 ÷ 2)] + 15} • 2
Answers
the order of simplification/operation is
parenthaseese
exponents
multiplication or division whichever comes first
addition or subtraction whichever comes first
so we work the parenthasees inside to out
inside parenthaseese=(10-4/2)
so no exponents so skip
there's division so we do that
4/2=2/1=2
then we have
(10-2)
subtraction
10-2=8
(8)
next parenthaseese/bracket
[5 times (8)+15]
multiplication
5 times 8=40
[40]
other brackets
{390-[40]+15}
subtraction
390-40=350
{350+15}
350+15=365
outside
2 times {365} times 2
multiplication
2 times 365=730
730 times 2=1460
2 * {390 - [ 5 *( 10 - 4 / 2)] + 15} * 2.
2*{390-[5*(8)]+15}*2
2*{390-[40]+15}*2
2*{390[-40]+15}*2
2* {-135,585}*2
{-271170}*2
-542,340
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Answer:
3. Option D
5. Option B
13. Option D
17. Option B
Step-by-step explanation:
Question 3
4C means that, multiply 4 with all the terms in the matrix A . We get option D.
Question 5
Matrix A + matrix B means that add corresponding terms of each matrix.
We get option B.
Question 13
Here we have to find a₁,₂ (the term in which first row second column)
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Question 17
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Answers
x = (10)(5)
x = 50 years
Sally's mom is 50 years old.
Answers
The distancetraveled in the period of 5 and 3\4 hours will be 287 miles and 1\4 miles.
Calculating the velocity of each moment we have:
- Speed 1 :
- Speed 2:
calculating the distance of each moment we have:
- Distance 1 = 168 miles
- Distance 2:
Calculating the total distance we have:
Total Distance = Distance 1 + Distance 2
= 168 + 119.25 miles = 287.25 miles
See more about distance at brainly.com/question/15172156
Speed 2 = 48 + 5 miles/hour = 53 miles/hour
Distance 1 = 168 miles
Distance 2 = 2.25 hours X 53 miles/hour =119.25 miles
Total Distance = Distance 1 + Distance 2 = 168 + 119.25 miles = 287.25 miles
Or 287 and 1/4 miles
Answers
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Learn more about Temperature Measurement here:
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Answer:
-4*
Step-by-step explanation