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LiRa [457]
3 years ago
13

Similar triangles find the value of X

Mathematics
1 answer:
leva [86]3 years ago
6 0

Answer:

x=2

Step-by-step explanation:

Set up a ratio

6/(x+1)=10/(2x+1)

cross multiply

6(2x+1)=10(x+1)

12x+6=10x+10

12x-10x=10-6

2x=4

x=2

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I need hard and easy math questions with the answer, i need 10 questions<br><br>thnx
nydimaria [60]

Answer:

https://www.khanacademy.org/

Step-by-step explanation:

I am not entirely sure what you mean however if you sign up for this website and go to whichever grade level you need you can practice all you want

8 0
2 years ago
Your friend says that there are 36 feet in 12 yards is your friend correct? explain your reasoning.
galben [10]

Answer:

Yes

Step-by-step explanation:

1 yard is 3 feet. so 12 yards is 36 by 12*3

7 0
3 years ago
Evaluate the integral x^3 (x 4 −8)^44 dx by making the substitution u = x^4 - 8
Eduardwww [97]

Answer:

(x^4-8)^45 /180 +c

Step-by-step explanation:

If u=x^4-8, then du=(4x^3-0)dx or du=4x^3 dx by power and constant rule.

If du=4x^3 dx, then du/4=x^3 dx. I just divided both sides by 4.

Now we are ready to make substitutions into our integral.

Int(x^3 (x^4-8)^44 dx)

Int(((x^4-8)^44 x^3 dx)

Int(u^44 du/4)

1/4 Int(u^44 dul

1/4 × (u^45 / 45 )+c

Put back in terms of x:

1/4 × (x^4-8)^45/45 +c

We could multiply those fractions

(x^4-8)^45 /180 +c

5 0
3 years ago
What does the y = f(x) represent?
skad [1K]

Answer:

a.

the function we are working with

Step-by-step explanation:

f(x) is functions notation which means the output for the function being worked with. It is the y value hence y=f(x).

6 0
3 years ago
125<br> X 16<br> Please provide working out. lol help a fellow kid out.
Elis [28]
For the first one just do the multiplication as you do normally.
For the second one, you have to put a zero behind before calculating the numbers in front

5 0
4 years ago
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