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1 year ago

The sum of 21 and twice a number is -19 what is the number

Mathematics

1 answer:

skelet666 [1.2K]1 year ago

8 0

The correct answer would be -23

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Question 1.:

klasskru [66]

Answer:

-7 is bigger

-9 is bigger

-6 is bigger

7 is bigger

I think.....

-9,-8,-7,-6,-4

-9,-7,-6,4,7

-2-1,0,4,9

-8,-2,3,5,8 ?

I guess I didn't understand the question

8 0

2 years ago

Curve fitting is a methode of finding

wel

The method of least squares is a widely used method of fitting curve for a given data

Step-by-step explanation:

It is the most popular method used to determine the position of the trend line of a given time series. The trend line is technically called the best fit. ... The sum of the deviations of y from their corresponding trend values is zero.

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2 years ago

Look at this prism and its net. Rectangular prism with length labeled 5 meters, width labeled 7 meters, and height labeled 12 me

kaheart [24]

There will be three pairs of matching sides: one pair 5x7, one pair 5x12 and one pair 12x7. We can compute the are of each side (in pairs) and then add up the total:

$A_{surf}=2\times(l \times w)+2\times(l \times h)+2\times(h \times w)$
$A_{surf}=2\times(5\times7)+2\times(5\times12)+2\times(12\times7)$
$A_{surf}=2\times35+2\times60+2\times84$
$A_{surf}=70+120+168$
$A_{surf}=358$
$A_{surf}=358m^{2}$

5 0

2 years ago

What is the property to equation <br><br> 3+2=2+3

hoa [83]

Answer:

Commutative property w.r.t '+'

Step-by-step explanation:

3+2 =3+2

As both side contain two variable and both are adding and their answer is also same.

5=5

so this is commutative property with respect to addition.

7 0

2 years ago

Subtract one-third from 8 times b

steposvetlana [31]

i think the answer is 1/3 from 8x 6 =-46.7 i think

6 0

2 years ago