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USPshnik [31]
3 years ago
12

Simplify 5 + 2{ x - 4[3 x + 7(2 - x )]}.

Mathematics
1 answer:
Afina-wow [57]3 years ago
3 0

Answer:

34x - 107

Step-by-step explanation:


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How do you estimate 52% of 84?
Nastasia [14]
The way to answer this question is to first make 52% into a decimal:

52% = 0.52

so now we will simply multiply:

   84
x.52

once you have multiplied these numbers it comes out to be 43.68.
So your answer is 43.68.

Hope this answer helps! feel free to ask any additional questions :)
6 0
2 years ago
50% of babies are born female.Olive wants to find the probability 20 or more of the 50 babies born today were female. If we use
Anna [14]

Answer:

D. Keep track of the number of heads flipped in 50 flips. These represent the number of females born today. Repeat this 200 times.

3 0
3 years ago
Solve this linear system 28x + 44y = 964.40 21x + 33y = 723.30
Sladkaya [172]

28x + 44y = 964.40

21x + 33y = 723.30

Let's multiply the first equation by 4 and the second by -4

84x + 176y = 3857.6

-84x - 132y = -2893.2

Add the equations together.

0 + 44y = 964.4

Simplify

44y = 964.4

Divide both sides by 44

y = 964.4/44

Since we have the value of y, let's plug 964.4/44 into y for the first equation.

28x + 44(964.4/44) = 964.40

Simplify the left side

28x + 964.4 = 964.4

Subtract 964.4 from both sides

28x = 0

Divide both sides by 0

x = 0

In conclusion,

y = 964.4/44

x = 0

3 0
3 years ago
Factor xy−4y+4x−16 by grouping
maksim [4K]

Answer:

(y+4)(x-4)

Step-by-step explanation:

Given the expression:

xy-4y+4x-16

(xy-4y)+(4x-16)

Take the common factor

y(x-4)+4(x-4)

(y+4)(x-4)

6 0
3 years ago
Read 2 more answers
I need help with this question​
nikitadnepr [17]
I know the answer but first I need you to answer my math question
7 0
3 years ago
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