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AysviL [449]
2 years ago
8

Slope 2; passing through (4,12)

Mathematics
1 answer:
Anika [276]2 years ago
5 0
X Y
0 4
1 6
2 8
3 10
4 12
5 14

The equation is y=2x+4
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in right triangle ABC, C is the right angle. Given measure of angle A = 40 degrees and a =6, which of the following are the leng
qaws [65]
Tan 40° = 6 / AC
AC = 6 / tan 40°
AC = 6 / .8391
AC = 7.15

AB² = 6² + 7.15²
AB² = 36 + 51.123
AB² = 87.12
AB = 9.33

 

3 0
3 years ago
Approximate the value of the series to within an error of at most 10−510−5. ∑n=1[infinity](−1)n+1n7 ∑n=1[infinity](−1)n+1n7 Acco
alexgriva [62]

Answer:

0.992596

Step-by-step explanation:

3 0
3 years ago
Find one value of x that is a solution to the equation:<br>(x^2– 8)^2 + x^2 – 8 = 20<br>x=​
Kipish [7]

Answer:

x = 2 sqrt(3) or x = -2 sqrt(3) or x = sqrt(3) or x = -sqrt(3)

Step-by-step explanation:

Solve for x:

-8 + x^2 + (x^2 - 8)^2 = 20

Expand out terms of the left hand side:

x^4 - 15 x^2 + 56 = 20

Subtract 20 from both sides:

x^4 - 15 x^2 + 36 = 0

Substitute y = x^2:

y^2 - 15 y + 36 = 0

The left hand side factors into a product with two terms:

(y - 12) (y - 3) = 0

Split into two equations:

y - 12 = 0 or y - 3 = 0

Add 12 to both sides:

y = 12 or y - 3 = 0

Substitute back for y = x^2:

x^2 = 12 or y - 3 = 0

Take the square root of both sides:

x = 2 sqrt(3) or x = -2 sqrt(3) or y - 3 = 0

Add 3 to both sides:

x = 2 sqrt(3) or x = -2 sqrt(3) or y = 3

Substitute back for y = x^2:

x = 2 sqrt(3) or x = -2 sqrt(3) or x^2 = 3

Take the square root of both sides:

Answer: x = 2 sqrt(3) or x = -2 sqrt(3) or x = sqrt(3) or x = -sqrt(3)

8 0
3 years ago
Please help me ASAP!!!​
dalvyx [7]

Answer:

8

Step-by-step explanation:

8 - 11 = -3 :)

7 0
3 years ago
Given the arithmetic sequence an = 4 − 3(n − 1), what is the domain for n?
Oxana [17]

Answer:

The answer is All integers where n ≥ 1

Hope this helps!


8 0
3 years ago
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