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Maurinko [17]
3 years ago
8

If triangles have the ratio of 2:3 adn the smaller traingle has a aside length of 7 what si length of the correspodning sides

Mathematics
1 answer:
REY [17]3 years ago
5 0
2:3=7:x\\\\\dfrac{7}{x}=\dfrac{2}{3}\ \ \ \ |cross\ multiply\\\\2x=7\cdot3\\\\2x=21\ \ \ |:2\\\\\boxed{x=10.5}
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Please help asap 65 pts
Lady bird [3.3K]
B. It would be 5/2 and -3/4.
7 0
3 years ago
Read 2 more answers
D is the wrong answer please help :(
Stella [2.4K]

This can be solved by Newton's binomial formula

Tk+1 = (n k) a∧(n-k) b∧k  k+1=7 => k=6, n=11 , a=-3x and b=-2y

T7= (11 6) (-3x)∧(11-6) (-2y)∧6 = (11*10*9*8*7)/(1*2*3*4*5) (-3x)∧5 (-2y)∧6

T7= 462 (-3x)∧5 (-2y)∧6

The correct answer is A.

Good luck!!!


8 0
3 years ago
Read 2 more answers
If (x + 2) is a factor of x3 − 6x2 + kx + 10, k =
ch4aika [34]

Answer:

The value of k is -11

Step-by-step explanation:

If (x+2) is a factor of x3 − 6x2 + kx + 10:

Then,

f(x)=x3 − 6x2 + kx + 10

f(-2)=0

f(-2)=(-2)³-6(-2)²+k(-2)+10=0

f(-2)= -8-6(4)-2k+10=0

f(-2)= -8-24-2k+10=0

Solve the like terms:

f(-2)=-2k-22=0

f(-2)=-2k=0+22

-2k=22

k=22/-2

k=-11

Hence the value of k is -11....

5 0
3 years ago
Label the following as either function or relation ​
Katarina [22]

I can't see anything so I'll say function. Next time add a screenshot!

Best of luck to you

4 0
3 years ago
Help please help meeeeee
dsp73

Answer:

I believe the answer is 900

Step-by-step explanation:

She is allowed 2 pages with 30 lines each and 15 words on each line. you have to multiply all 3 numbers together and you get 900.

30×15×2= 900

7 0
3 years ago
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