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natka813 [3]
3 years ago
13

3+2−16⋅9=? can you help me

Mathematics
2 answers:
wel3 years ago
7 0
-99..?? I think that’s the answer
LiRa [457]3 years ago
4 0

Answer:

-139

Step-by-step explanation:

Use Order of Operation:

1. Parentheses

2. Exponents

3. Multiplication and Division

4. Addition and Subtraction

First is parentheses but there are none so we can skip that step

Second is exponents but there are none so we can skip that step

Third is multiplication and Division which there is -16 and 9.

Multiply -16 and 9:

-144

Now the equation looks like this:

3+2-144

Since we have no other than addition and subtraction I would just solve

3+2 is 5

5-144 is

-139

Hope this helps!

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WILL MARK BRAINLIEST IF ANSWERED CORRECTLY!
DanielleElmas [232]
First question:

4(3x-5) + (2x -2)(4 + 3x-5)
Simplify -----> 12x - 20 + (2x-2)(3x-1)
Multiply the second part -----> 12x - 20 + 6x^2 -8x + 2
Combine like terms --------> 6x^2 + 4x - 18

Each side of the addition sign represents one of the rectangles above which is then added to get the area of the entire figure.

Second question:

The average is the summation of each data value divided by the number of data values. So it would be

(4 + 5 + 9)/ 3

Simplify ------> 18/3
Divide --------> 6
6 0
3 years ago
Find X. 2x + 15 = 20
lakkis [162]

Answer:

x = 5/2     or     x = 2.5

Step-by-step explanation:

To solve for x, we will have to get the equation 2x + 15 = 20 into the form x = _. That will be our answer.

2x + 15 = 20

Subtract 15 from both sides to get rid of the +15 on the left side.

2x = 20 - 15

Simplify.

2x = 5

Divide both sides by 2 to get rid of the coefficient of 2 on the left side.\

x = 5/2 = 2.5

x = 5/2   or    x = 2.5

I hope you find my answer helpful. :)

3 0
3 years ago
Find the vertex of the given quadratic function.
ki77a [65]

B

given f(x) in factored form, equate to zero for x-intercepts

(x - 8)(x - 4) = 0, hence

x = 4, x = 8 ← x- intercepts

The vertex lies on the axis of symmetry which is situated at the midpoint of the x- intercepts

x- coordinate of vertex = \frac{4+8}{2} = 6

f(6) = (6 - 8 )(6 - 4 ) = -2 × 2 = - 4 ← y-coordinate

vertex = (6, - 4 ) → B




8 0
3 years ago
Can someone please help me it’s urgent
Yuki888 [10]
I believe it is 4 my good sir
7 0
3 years ago
Read 2 more answers
George placed the numbers -1/2 , 8/9 , 0.2 and on the numberline . Which of the numbers is furthest from zero ?
dimaraw [331]
Furthest from 0, so I am going to take the absolute value of these numbers. The absolute value will tell us how far away from 0 these numbers are. 
|-1/2| = |- 0.5| = 0.5
|8/9| = |0.88| = 0.88
|0.2| = 0.2

so the number furthest from 0 is 8/9
7 0
3 years ago
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