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mrs_skeptik [129]
3 years ago
6

Use the order of operations to simplify the given expression. 4−6+2⋅7

Mathematics
2 answers:
andrezito [222]3 years ago
6 0

Answer:

19

Step-by-step explanation:

PEMDAS

no parenthesis

no exponents

4-6+2 x 7

4-6+ 17

no division

4-6=2

2+17

19 is the answer

grandymaker [24]3 years ago
3 0
To solve this equation, you can use PEMDAS. P-parenthesis E-exponents M and D-multiplication and division, A and S- addition and subtraction

4-6+2•7
First step, multiply
4-6+14
Next, add and subtract. At this step, you solve left to right
-2+14
12

The answer to this problem is 12.
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andre [41]
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6 0
3 years ago
If f is a scalar field and F, G are vector fields, then f F, F · G, and F × G are defined by the following. (f F)(x, y, z) = f(x
valentina_108 [34]

Answer:

Step-by-step explanation:

Consider curl (fF) where f is a scalar function and F is a vector function

                  F=F_{1}i +F_{2}j +F_{3}k

                     i         j          k                

curl(fF) = \frac{\partial}{\partial x}      \frac{\partial}{\partial y}      \frac{\partial}{\partial z}        

                  fF_{1}    fF_{2}    fF_{3}  

curl(fF)=i(\frac{\partial}{\partial y}(fF_{3})-\frac{\partial}{\partial z}(fF_{2}))-j(\frac{\partial}{\partial x}(fF_{3})-\frac{\partial}{\partial z}(fF_{1}))+k(\frac{\partial}{\partial x}(fF_{2})-\frac{\partial}{\partial y}(fF_{1}))

=i(\frac{\partial}{\partial y}(F_{3})+\frac{\partial}{\partial y}(f)-\frac{\partial}{\partial z}(F_{2})-\frac{\partial}{\partial z}(f))-j(\frac{\partial}{\partial x}(F_{3})+\frac{\partial}{\partial x}(f)-\frac{\partial}{\partial z}(F_{1})-\frac{\partial}{\partial z}(f))+k(\frac{\partial}{\partial x}(F_{2})+\frac{\partial}{\partial x}(f)-\frac{\partial}{\partial y}(F_{1})-\frac{\partial}{\partial y}(f))

curl(fF)=f(\Delta\times F)+(\Delta f)\times F

3 0
2 years ago
Savannah is writing an article for the school paper on the next school election. She surveys 20 of her friends and finds that 17
Sonbull [250]

Answer:

A. The students were not chosen randomly.

Step-by-step explanation:

4 0
3 years ago
HEEEEELLLPPPP!!! I really need this to be answered im soo confused!!
Marysya12 [62]

Answer:

C

Step-by-step explanation:

∠ AFD = ∠ AFC + ∠ CFD

Given ∠ CFA = 90° and

∠ CFD = 90° - ∠ EFD, that is

∠ CFD = 90° - 62° = 28°, thus

∠ AFD = 90° + 28° = 118° → C

4 0
2 years ago
Read 2 more answers
A rectangular water tank carries 40000 litres of water what is the best area if its height is 2 m​
Alexus [3.1K]

Answer:

the base area is 20,000

2 x 20,000 = 40,000

4 0
3 years ago
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