3 years ago

Any one good at factoring?

Mathematics

1 answer:

svetlana [45]3 years ago

8 0

The student went wrong in step three. the solutions should have been -3 and 5

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Write log (x^2-9) - log(x+3) as single logarithm.

Hoochie [10]

Answer:log(x-3)

Step-by-step explanation:

log(A)-log(B) is log(A/B) then this would be log[(x^2-9)/(x+3)]

x^2-9 is (x-3)(x+3) then the answer is log(x-3)

5 0

4 years ago

Write an expression!!! Answer needed ASAP!! Pls only answer if you know how to do it and if u know the answer. Will mark brainli

pogonyaev

Answer:

-10 ÷ -2/5

Step-by-step explanation:

-10 ÷ -2/5 is the same as -10 · -5/2 = 50/2 or 25

8 0

3 years ago

Help me out thank u

serg [7]

9514 1404 393

Answer:

(a) 145

Step-by-step explanation:

The measure of the angle marked x° is half the sum of the intercepted arcs:

(90° +200°)/2 = x° = 145°

6 0

3 years ago

If SP is equal to rupees 400 and loss percent is 20% find CP

Sindrei [870]

SP=400
Percentage of loss=20%

100-20=80%=400

$\\ \rm\longmapsto 80\%\:of\:CP=400$

$\\ \rm\longmapsto CP=400\times \dfrac{100}{80}$

$\\ \rm\longmapsto CP=5(100)$

$\\ \rm\longmapsto CP=500$

6 0

3 years ago

Read 2 more answers

If I put $1500 into my savings account and earned $180.00 of interest of 4% simple interest, how long was my money in the bank?

postnew [5]

The answer is 3 years

8 0

3 years ago