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olga_2 [115]
3 years ago
14

6 - 1 * 16 + 21 ÷ 3 Please help !!

Mathematics
1 answer:
Airida [17]3 years ago
3 0

Answer:

-3

Explanation:

6 - 1 · 16 + 21 ÷ 3

21 ÷ 3 = 7

6 - 1 · 16 + 7

1 · 16 = 16

6 - 16 + 7

= -3

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Select the point that is a solution to the system if inequalities yx^2-6
labwork [276]

Answer:

The correct answer is A.

A(0,-2)

Step-by-step explanation:

Method 1

You just have to plot each point on the graph.

The one that falls within the solution region is the correct choice.

From the graph, A(0,-2) falls within the solution region.

See graph

Method 2

If you substitute the points into the inequalities, the only point that will satisfy both inequalities simultaneously is A.

The first inequality is

y\:

If we substitute A(0,-2), we get;

-2\:


-2\:


This statement is true.

The second inequality is

y\:>\:x^2-6

If we substitute A(0,-2), we get;

-2\:>\:(0)^2-6

This gives,

-2\:>\:-6

This statement is also true.



8 0
3 years ago
Catron evaluates the expression (negative 9) (2 and two-fifths) using the steps below.
Vlad [161]

Answer:

Catron's error is

"She did not follow order of operations"

Step-by-step explanation:

Catron evaluates the expression (negative 9) (2 and two-fifths)

That expression can be written as below

(-9)(2\frac{2}{5})

Catron's error is

"She did not follow order of operations"

The corrected steps are

Step1: Given expression is (-9)(2\frac{2}{5})

Step2: Convert mixed fraction into improper fraction

(-9)(2\frac{2}{5})=(-9)(\frac{12}{5})

Step3: Multiplying the terms

(-9)(2\frac{2}{5})=-7\frac{-108}{5}

Therefore solution (-9)(2\frac{2}{5})=-7\frac{-108}{5}

6 0
3 years ago
Read 2 more answers
A tv production warehouse can assemble 120 Tvs in 4 hours. How long does it take to make one tv
Blizzard [7]
I believe the answer is 2 minutes.
7 0
2 years ago
Read 2 more answers
Factor the polynomial by finding the greatest common factor 25m^7n^3+10m^4n^3-30m^3n^3
ioda

Answer:

5 m ^3 n^3 ( 125 m^ 4 + 2 m − 6 )

Step-by-step explanation:

6 0
3 years ago
Please help me on this helps!!!
sergeinik [125]

Answer:

2= 95 degrees

3= 25 degrees

1= 60 degrees

5= 25 degrees

4= 95 degrees

Step-by-step explanation:

2) Straight line is 180 degrees so

180-85=95 degrees

3) I got 25 degrees because it's a corresponding angle of X, which is parallel to 25.

1) A triangle is always 180 degrees, 95+25=120 180-120=60

5) Its another corresponding angle to 25

4) Straight line is 180 degrees 60+25=85 180-85=95

Or you could of worked out the bottom 85 and minus it from 180 which will also correspond to 4

5 0
3 years ago
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