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3 years ago

8.

Mathematics

2 answers:

Rudiy273 years ago

8 0

Answer:

B. 1.0

Step-by-step explanation:

I got it right on the quiz

liq [111]3 years ago

6 0

Answer:

B. 1.0

Step-by-step explanation:

When x=0, the value of y=eˣ is 1.

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What is 2.8×4.6 find the missing partial products

cupoosta [38]

To find each box, you have to multiply the number above the box and the number to the left of the box.

For the bottom left, we have 4 x 0.8 or 3.2.

For the bottom right, we have 0.8 x 0.6 or 0.48.

7 0

3 years ago

Daniel [21]

Answer:

2.17ft/s

Step-by-step explanation:

Look at the sketch of ladder at the beginning and after 3 seconds it starts to fall,

Distance of ladder from the wall 3 seconds after ladder starts to fall = Initial distance+ Velocity× time

= 6 + 2×3

= 12ft

Use trignometry to find out the speed of the top of ladder

cosθ= 12/20

θ= 0.825 rad

tan θ= v/2

v= 2.17ft/s

7 0

3 years ago

18 divided by 3-7+2x5<br> Please help!!!

chubhunter [2.5K]

The answer is to 18/3-7+2 x 5 is 3

6 0

3 years ago

Prove usin's Mathematical induction 2^n ≤(n+1)!, for n≥0

Westkost [7]

Answer:

Step-by-step explanation:

2^0 is less than or equal to 1!, because 1<= 1

if 2^n <= (n+1)!, we wish to show that 2^(n+1) <= (n+2)!, since

(n+2)! = (n+1)! * (n+2), and (n+1)!>= 2^n, then we want to prove that n+2<=2, which is always true for n>=0

8 0

2 years ago

Which polynomial expression represents a sum of cubes? (6 – s)(s2 + 6s + 36) (6 + s)(s2 – 6s – 36) (6 + s)(s2 – 6s + 36) (6 + s)

Nadusha1986 [10]

Answer:

Option 3 is correct that is $(6+s)(s^2-6s+36)$

Step-by-step explanation:

We have general formula for sum of cube which is

$a^3+b^3=(a+b)(a^2+b^2-ab)$

Here, we have a=s and b=6

on substituting the values in the formula we will get

$6^3+s^3=(6+s)(s^2+6^2-6s)$

After simplification we will get

$6^3+s^3=(6+s)(s^2+36-6s)$

After rearranging the terms we will get

$6^3+s^3=(6+s)(s^2-6s+36)$ which exactly matches option 3 in the given options.

Therefore, option 3 is correct that is $(6+s)(s^2-6s+36)$

4 0

3 years ago

Read 2 more answers