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lbvjy [14]
3 years ago
7

Fast I’m taking a test plz help

Mathematics
2 answers:
Anastasy [175]3 years ago
5 0

Answer: D

Step-by-step explanation: since it’s not negative it can’t be A and it’s a little bigger than the number 8 so D

kolezko [41]3 years ago
4 0

Answer:

D

Step-by-step explanation:

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Which expression is not equivalent to 7(3+5)
irakobra [83]

Answer:

Any expression that doesn't equal 56... You didn't really provide any answer choices, so that's the best answer I have for you...

4 0
3 years ago
What is the missing number<br> 7 x ( ? x 9) = 63
GrogVix [38]
The ? is 1. 

7*(9*1)=63

Hope this helps!!
6 0
3 years ago
Use the quadratic function f(x) = 2x2 + 4x +3 to answer the following questions.
GuDViN [60]
The vertex is (-1,1)

Explanation

The vertex formula to find the x coordinate of the formula is -b/2a

So we plug in the values into the formula which is

-4/2(2)

Simplify it

-4/4
=-1
-1 is now the x cord of the vertex.

So now we will plug in the x into the quadratic equation which is 2x^2+4x+3

2(-1)^2 + 4(-1) + 3 = 2 -4 +3

Simplify it

5 - 4= 1

Y=1
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8 0
3 years ago
Please answer both zoom close so you can see the picture.
Iteru [2.4K]
Well I only know the first one
3 0
2 years ago
The three sides of a triangle are n, 3n + 5, and 4n − 9. If the perimeter of the triangle is 68 feet, what is the length of each
MissTica
4n - 9 + 3n + 5 + n = 68

combine like terms

8n - 4 = 68

addition property of equations

8n = 72

division property of equality

n = 9

SIDES:

n = 9

3n + 5 = 32

[ 3(9) + 5 = 32 ]

4n - 9 = 27

[ 4(9) - 9 = 27 ]
5 0
3 years ago
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