1 year ago

If (k-6)(k+2)-(k²-20)=2k+6, whatis tge value of k?

Mathematics

1 answer:

xxMikexx [17]1 year ago

7 0

K=1/3

simplify each bracket, put all numbers on the left hand side, equal it to 0 and solve for k

You might be interested in

ANSWER ASAP PLEASE!!!

ioda

Answer: 5/3

Step-by-step explanation:

(3/5)x = 12

(5/3)(3/5)x = (5/3)12

x = 20

Therefore, choose Option D: 5/3

Hope I helped! <3

4 0

3 years ago

What is the height of the beach umbrella? Using your knowledge of sine, cosine, and tangent.

omeli [17]

Answer: 8 ft

<u>Step-by-step explanation:</u>

$sin\ 45^o=\dfrac{opposite \angle 45^o}{adjacent \angle 45^o}\\\\\\sin\ 45^o=\dfrac{8}{height}\\\\\\1=\dfrac{8}{height}\\\\\\height=8$

4 0

3 years ago

Write 4,300 in scientific notation

natita [175]

4,300 is 4.3×
${10}^{3}$

8 0

3 years ago

If one side of a right triangle is 12 feet long and the hypotenuse of the triangle is 7, find the length of the other side of th

Andreas93 [3]

Answer:

9.74 feet

Step-by-step explanation:

the formula for finding a hypotenuse is $a^{2} + b^{2} = c^{2}$ . We can rearrange that to get: $c^2 - b^2 = a^2$ . So: 49 + b^2 = 144. We get the square root of 95, AKA around 9.74.

8 0

3 years ago

(555.28-122.57*(4))-(585.34-136.71*(4))

mamaluj [8]

26.5 ..................................

7 0

3 years ago

Read 2 more answers

If (k-6)(k+2)-(k²-20)=2k+6, whatis tge value of k?​

If (k-6)(k+2)-(k²-20)=2k+6, whatis tge value of k?