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Elina [12.6K]
3 years ago
8

What goes in the parenthesis

Mathematics
2 answers:
makvit [3.9K]3 years ago
8 0

Answer:

x-4

Step-by-step explanation:

second equation includes 5y     And we know from the 1st equation that y= x-4

so plug x-4 instead of y

Artist 52 [7]3 years ago
4 0

Answer:

......-4 I think......

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2+ (-3)^2 - (-1)<br><br> please explain! :3
Ugo [173]

Answer:

12

Step-by-step explanation:

Hello!

First of all you have to understand the order of operations.

PEMDAS

Parenthesis, Exponent, Multiplication/Divison, Addition, Subtraction.

From this you can see that we first have to deal with the exponent, then multiplication, then the addition.

So we get 2+9-(-1)

The 9 is from -3^2

2+9+1

11+1

12.

Hope this helps!

6 0
2 years ago
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Solve for x using the quadratic formula. x^2+9x+20=0
il63 [147K]

Answer: x= -4,-5

Step-by-step explanation:

6 0
3 years ago
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I need some help with this question, I got a different answer.
N76 [4]

Answer:

The median is the middle number.

Step-by-step explanation:

You have to order the numbers from least to greatest, or greatest to least, and choose the number in the middle. Since there is an even number of values, you have to take the mean of the two middle numbers. I hope this helps.

5 0
3 years ago
Type the correct answer in the box.
Pepsi [2]

Answer:

f(g(-64)) = -190

Step-by-step explanation:

The functions are not well written.

Let us assume;

f(x) = x+1

g(x) = 3x+1

f(g(x)) = f(3x+1)

Replace x with 3x+1 in f(x)

f(g(x)) = (3x+1) + 1

f(g(x)) = 3x + 2

f(g(-64)) = 3(-64) + 2

f(g(-64)) = -192+2

f(g(-64)) = -190

<em>Note that the functions are assumed but same method can be employed when calculating composite functions</em>

8 0
2 years ago
(3x + 2y = 7<br> (7x-2y = 3
sineoko [7]
Answer for the equation by elimination

8 0
2 years ago
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