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Tema [17]
3 years ago
11

Evaluate the expression. ​ 38+16⋅12÷2−(30⋅2) ​

Mathematics
2 answers:
iogann1982 [59]3 years ago
8 0
38+16*12/2-(30*2)
38+16*12/2-60
38+192/2-60
38+96-60
134-60
74

Final answer: 74
Remember to follow pendas: parentheses, exponents, multiplication and division, and finally addition and subtraction from left to right
Nezavi [6.7K]3 years ago
6 0

the answer is to this question is 74

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Answer:

y=0x+0

Step-by-step explanation:

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Pineapples cost $2.50 each and mangos cost $1.50 each. Tim purchased 15 pieces of fruit for $29.50. How many pineapples and how
kotykmax [81]
We can create equations to solve this.

2.50p + 1.50m = 29.50
p + m = 15

Solve for a variable in the 2nd equation and use the substitution method to solve.

p + m = 15

Subtract p to both sides:

m = -p + 15

Plug in -p + 15 for m in the first equation.

2.50p + 1.50(-p + 15) = 29.50

Distribute:

2.50p - 1.50p + 22.50 = 29.50

Combine like terms:

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Subtract 22.50 to both sides:

p = 7

Now plug this into any of the two equations and solve for the other variable.

p + m = 15

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Subtract 7 to both sides:

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4 0
3 years ago
Factor completely <br><br>7x²-9x-10​
Shtirlitz [24]

Answer:

First, assign a value to x.<em> x</em> will be 2 in this case.

Next, multiply x by itself, because that is what exponent 2, or squared, means. 2 x 2 = 4

Now, multiply 4 by 7. 4 x 7 = 28

Next, find the value of <em>9x</em>.

The value of 9x will be 9 times a number, x, also known as 2 in this scenario. 9 x 2 = 18

Then, subtract 28 from 18. 28 - 18 = 10

Lastly, subtract 10. 10 - 10 = 0

Therefore,

The answer is 0. <em>Product may vary depending on value assigned to x.</em>

5 0
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Answer:

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Step-by-step explanation:

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12 Newton centimeter is hence, equals :

(12 × 0.225 × 0.394) pound inch

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pantera1 [17]

Answer: 1408.01$

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