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xenn [34]
3 years ago
10

[(7+3)x5-4](divided by) 2+3 SHOW ALL WORK WILL MARK BRAINLIEST

Mathematics
1 answer:
Nesterboy [21]3 years ago
4 0

Answer:

26

Step-by-step explanation:

[(7+3)5-4]/2+3

-To solve this equation you have to use PEMDAS

P- Parentheses

E- Exponents

M- Multiplication

D- Division

A- Addition

S- Subtraction-

- With MD and AS you work left to right of the equation since they are in the same spot. (PE[MD][AS])

Step 1) [(10)5-4]/2+3

- First you do "P," parentheses, so you add 7+3=10

Step 2) [50-4]/2+3

- Next you do "M," multiplication, and multiply 10x5=50

Step 3) [46]/2+3

- Then you do "S," subtraction, and subtract 50-4=46

(FYI: Steps 1-3 were still in the parentheses. We had to start with the parentheses in the parentheses, work PEMDAS, and now we are out of the parentheses and have to work PEMDAS on the rest of the problem.)

Step 4) 23+3

- Now we do "D," division, and divide 46/2=23

Step 5) 23+3=6

- Finally we do "A," addition, and add 23+3=26 so the answer is 26

(FYI: "/" means division)

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Step-by-step explanation:

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Elan Coil [88]

Answer:

x = 14, y= -3

Step-by-step explanation:

Solve the following system:

{2 x + 8 y = 4 | (equation 1)

{x = 5 - 3 y | (equation 2)

Express the system in standard form:

{2 x + 8 y = 4 | (equation 1)

{x + 3 y = 5 | (equation 2)

Subtract 1/2 × (equation 1) from equation 2:

{2 x + 8 y = 4 | (equation 1)

{0 x - y = 3 | (equation 2)

Divide equation 1 by 2:

{x + 4 y = 2 | (equation 1)

{0 x - y = 3 | (equation 2)

Multiply equation 2 by -1:

{x + 4 y = 2 | (equation 1)

{0 x+y = -3 | (equation 2)

Subtract 4 × (equation 2) from equation 1:

{x+0 y = 14 | (equation 1)

{0 x+y = -3 | (equation 2)

Collect results:

Answer:  x = 14, y = -3

7 0
4 years ago
A number to the 10 power divided by the same number to the 7 power equals 64 what is the number
kirill [66]

Answer:

4

Step-by-step explanation:

We need to form an equation to find the value of the number. We can call this number x:

x^{10} ÷ x^{7} = 64 - because the base of the powers are the same we can simplify it

x^{3} = 64

x = ∛64

x = 4

3 0
4 years ago
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pantera1 [17]
The answer is 4 or d. 2x-11

What I did:
Eleven is decreased= "-11"
Twice a number="2x"
That equals 2x-11.
3 0
3 years ago
Read 2 more answers
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