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adell [148]
3 years ago
10

Create an equivalent ratio tol5:2 by multiplying both sides by 2. What is the equivalent ratio?

Mathematics
1 answer:
Lilit [14]3 years ago
7 0

Answer:

30:4

Step-by-step explanation:

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Give triangle abc is congruent to triangle def find x
Karolina [17]

Answer:

x=9

Step-by-step explanation:

FE is 3x-7

since ΔABC≅ΔDEF the equivalent of FE is CB, or BC...which is 20

3x-7=20

3x=27

x=9

6 0
3 years ago
What is the value of X
UkoKoshka [18]

Answer:

28b

Step-by-step explanation:

3 0
3 years ago
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What is the slope of the line that passes through (-2,-3) and (1,1)
kramer
Slope:
m =  \frac{y _{2} - y _{1}}{x_{2} - x _{1}}

Slope is rise over run. It is a ratio of the amount of the y-axis over the amount of x-axis. So, now assign the first group of numbers, (-2,-3) as 1; then the second group, (1,1) as 2. Like this:
first \: group(x _{1} ,y _{1}) \\ second \: group(x_{2},y_{2})
Notice the subscripted numbers designate the group number. Next, plug in the numbers and do the math.
\frac{1 - ( - 3)}{1 - ( - 2)}  =  \frac{1 + 3}{1 + 2}  =  \frac{4}{3}
So, the slope, m, is equal to four thirds.

m = 4/3
6 0
3 years ago
Write the expression in factored form
olchik [2.2K]
2.)\\ \\ n^2 - 9n +14 = 0 \\ \\ a=1 , \ b = -9, \ c = 14 \\ \\\Delta =b^2-4ac = (-9)^2 -4\cdot1\cdot 14 = 81 -56 = 25 \\ \\n_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{9-\sqrt{25}}{2 }=\frac{ 9-5}{2}=\frac{4}{2}= 2

n_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{9+\sqrt{25}}{2 }=\frac{ 9+5}{2}=\frac{14}{2}= 7 \\ \\ Answer : \ n^2 - 9n +14 =(n-2)(n-7)



3.)\\ \\ n^2 + 4n - 12 =0 \\ \\ a=1 , \ b = 4, \ c = -12 \\ \\\Delta =b^2-4ac = 4^2 -4\cdot1\cdot (-12) = 16+48=64 \\ \\n_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{-4-\sqrt{64}}{2 }=\frac{ -4-8}{2}=\frac{-12}{2}= -6

n_{2}=\frac{-b+\sqrt{\Delta} }{2a}= \frac{-4+\sqrt{64}}{2 }=\frac{ -4+8}{2}=\frac{4}{2}=2\\ \\ Answer : \ n^2 +4n -12 =(n+6)(n-2)


second way :

2.)\\ \\ n^2 - 9n +14 = n^2 - 9n+2n -2n +14 = n^2 - 7x -2n +14 =\\ \\ = n(n-7)-2(n-7)=(n-7)(n- 2)\\ \\ \\ Answer : \ n^2 - 9n +14 =(n-2)(n-7)
 

3.)\\ \\ n^2 + 4n - 12 = n^2 + 4n +2n - 2n - 12 = n^2 + 6n - 2n - 12 =\\ \\ = n(n+6) -2(n+6)=(n+6)(n-2) \\ \\ \\ Answer : \ n^2 +4n -12 =(n+6)(n-2)



5 0
4 years ago
Read 2 more answers
I am having trouble with this 1<br> 5<br> × 5
jeka57 [31]
Hello there.

<span>I am having trouble with this 

<span>1/5 * 5= 1</span>
</span>
4 0
3 years ago
Read 2 more answers
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