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Likurg_2 [28]
3 years ago
9

HELP ME PLEASE

Mathematics
2 answers:
Flauer [41]3 years ago
7 0

Answer:

A

Step-by-step explanation:

A is the answer to your question because if you expand with the roots you get the answer

patriot [66]3 years ago
4 0
A. Is your answer.
If you have any points don’t hesitate to contact me!
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Solve the system of linear equations. <br>- 3x + 5y = 13 <br> x + 4y = -10 ​
Molodets [167]

Answer:

(-6,-1)

Step-by-step explanation:

5 0
3 years ago
Classify the object with the given side lengths as acute, obtuse, right, or not a triangle.
iren [92.7K]

Answer:

We have to first see that the given lengths makes a triangle or not by using a+b > c in which a,b and c are

length of sides of a triangle lets check out

16 + 21 = 37 > 28

21 + 28 = 49 > 16

16+ 28 = 44 > 21

As because the statement fits correct in the lengths given so its a triangle

So we can say that the triangle is scalene by means of measurements

but cant be a right angle as by taking the pythagorean triplet

= a^2 + b ^ 2 = c^2

lets see if a=16, b = 21 and c = 28

So a^2 + b^2

= 256 + 441

= 697

but c^2

= 28^2 = 784

As 441 =/= 784

So The triangle lengths cant be a right angled triangle

So 1/2 of possibility is the traingle acute and 1/2 of the possibilty that the triangle is obtuse

Now you can find the correct triangle on the basis of acute or obtuse angle by drawing with given length of sides of triangle

Hope it helps

7 0
3 years ago
If u understand this May u please help me
Sladkaya [172]
4 is the y axis so from the y axis you go up 1 and over right 6!
4 0
3 years ago
The perimeter of a △ABC equals 12 in. The midpoints of the sides M, N and K are connected consecutively. Find the perimeter of △
lana [24]
You could easily find the outcome of each point then add them up for the MNK
8 0
3 years ago
Read 2 more answers
Anita's sister had $6000 to invest. She invested part of this sum at 4% and the other part at 6%. If the annual return on the 6%
Maru [420]

Answer:

2550

Step-by-step explanation:

I'm assuming the interest is annual.

so this is breaking the 6000 into two parts, I am going to call them A and B.  i will say A is invsted at 4% and B is invested at 6%

It then tells us the amount of interest gaied from B is $15 more than the interest gained from A.  We basically use a system of equations.

A + B = 6000

.06B - .04A = 15

Let me know if you don't see how I got these equations.  I will go ahead and solve.

A + B = 6000

Gonna solve for A so I can plug it into the other eqaution and solve for B, which is what the question is asking for.  You can get both either way though.

A = 6000 - B

Plug this into the other equation.

.06B - .04A = 15

.06B - .04(6000 - B) = 15

.06B - 240 + .04B = 15

.1B = 255

B = 2550

this means A is 3450.  You can check by seeing what theinterest is for each.  

2550*.06 = 153

3450*.04 = 138

153 is 15 more than 138 so everything checks out.  

8 0
3 years ago
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