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ryzh [129]
3 years ago
10

Evaluate 16 • 1 + 4(18 ÷ 2 – 9)

Mathematics
2 answers:
Hunter-Best [27]3 years ago
8 0

Answer:

16

Step-by-step explanation:

I did this in 7th grade and had the answer but I don't know the steps

tiny-mole [99]3 years ago
7 0

Answer: remember PEMDAS  (parentheses, exponents, multiplication, division, addition, and subtraction. Multiplication and division)

answer is 16

Step-by-step explanation:

16×1+4(18÷2−9)

(Multiply 16 and 1 to get 16.)

16+4(18÷2−9)

(Divide 18 by 2 to get 9.)

16+4(9−9)

Subtract 9 from 9 to get 0.

16+4×0

Multiply 4 and 0 to get 0.

16+0

Add 16 and 0 to get 16.

16

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Find the discriminant of X^2+ 4x - 3 = 0
Drupady [299]

Answer:

2 real solutions

Step-by-step explanation:

Given a quadratic equation in standard form

ax² + bx + c = 0 ( a ≠ 0 ), then the discriminant is

Δ = b² - 4ac

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• If b² - 4ac = 0 then 2 real and equal solutions

• If b² - 4ac < 0 then no real solutions

x² + 4x - 3 = 0 ← is in standard form

with a = 1, b = 4, c = - 3 , then

b² - 4ac = 4² - (4× 1 × - 3) = 16 - (- 12) = 16 + 12 = 28

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5 0
3 years ago
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vovangra [49]

Answer: X = -24 Y = 66

Step-by-step explanation:

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Y = 42 + 24 = 66

3 0
2 years ago
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Zack wants to make a profit more than $300 for painting 4 identical rooms. The profit he makes is equal to the amount he is paid
crimeas [40]
Profit = paid - supplies

Plug in the given values. We are finding out how much money he needs per room, if he is doing 4 rooms, and subtracting the supplies: 300 = 4n - 4*32.50

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3 years ago
What is 3 3/9 as a decimal
Sophie [7]

Answer:

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Step-by-step explanation:

3 3/9 --> 10/3

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