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xenn [34]
3 years ago
10

This problem makes no sense to me, can someone help?.

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
3 0

Answer:

The angle is 120 degrees.

Step-by-step explanation:

Supplementary angles add up to 180 degrees.

So if our angle is x it's supplement is 180 - x.

So we have the equation:

x = 2(180 - x)

x = 360 - 2x

3x = 360

x = 120 (answer).


Nitella [24]3 years ago
3 0

Answer:


Step-by-step explanation:

you gotta find out what the number of the suplement is and then multiply that by two and then youll get your answer

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Evaluate A + 3B if possible. HELP ASAP!
madreJ [45]

Answer:

Not possible.

Step-by-step explanation:

Addition of Matrix A and Matrix B is possible only if the order of matrix A is same as the order of matrix B.

Order of a matrix with m rows and n columns is m\times n.

Here, matrix A is \left[\begin{array}{ccc}2&-4\\-4&10\\0&-8\end{array}\right]

Matrix B is \left[\begin{array}{ccc}0&-4&6\\2&-10&4\end{array}\right].

Multiplying a matrix by a constant doesn't change its order.

So, order of matrix A is 3\times 2 as it has 3 rows and 2 columns.

The order of matrix 3B is 2\times 3 as it has 2 rows and 3 columns.

Therefore, addition is not possible as the order is different.

4 0
3 years ago
The sum of two integers is 21. Fifteen less than double the square of the smaller integer is equal to the larger
Salsk061 [2.6K]

Answer:

2x^2+x-36=0

(4,0)

2*4^2+4-15=21

Step-by-step explanation:

6 0
3 years ago
Using the diagram, name a segment parallel to EH.<br><br> A. CD<br> B. AD<br> C. GH<br> D. BF
natima [27]
A segment parallel to EH is AD

answer
<span>B. AD</span>
4 0
3 years ago
Which TWO representations show the same function<br><br>(picture included)​
AnnyKZ [126]
The graph and the equation show the same
5 0
3 years ago
How can this model be used to determine 2.4−0.15 ? Enter your answers in the boxes. The model shows a total of 2 wholes and 4 te
RideAnS [48]

Answer:

2.25

Step-by-step explanation:

2.4 - 0.15

Using place value :

2 = Unit (2 wholes)

4 = tenth place ( 4 tenths)

To subtract 0.15

0 wholes ; 1 tenth ; 5 hundredth

1 tenth can be split into 10 separate hundredths

Hence,

For 2.4

We have ;

2 wholes ; 3 tenths and 10 hundredths

Subtracting 0.15 ;0 wholes ; 1 tenth ; 5 hundredth

(2 - 0) wholes = 2 whole

(3 - 1) tenth = 2 tenth

(10 - 5) hundredth = 5 hundredth

Hence, the difference between (2.4 and 0.15) is :

2 whole ; 2 tenth ; 5 hundredth

Which is equal to : 2.25

3 0
2 years ago
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