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nikitadnepr [17]
3 years ago
12

PLZZZZ HELP IM FAILING THIS CLASS I NEED THISSS!?

Mathematics
1 answer:
lina2011 [118]3 years ago
4 0

Answer:

the answer should be 12 or 3/4

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Expand and simplify (x-2)(2x+4)
d1i1m1o1n [39]

Answer:

2 {x}^{2}  - 8

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7 0
2 years ago
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Extension: Suppose that there is some positive number bb so that<br> logb(5) = 0.84.
Papessa [141]

Answer:

b = 6.79

Step-by-step explanation:

Data provided:

logb(5) = 0.84

Now,

From the properties of log function

logₓ (z)= \frac{\log(z)}{\log(x)}  (where the base of the log is equal for both numerator and the denominator)

also,

log(xⁿ) = n × log(x)

thus,

using the above properties, we can deduce the results as:

logₓ(y) = n is equivalent to y = xⁿ

Thus,

logb(5) = 0.84

⇒ \frac{\log(5)}{\log(b)} = 0.84

or

log(5) = 0.84 × log(b)

or

log(5) = \log(b^{0.84})                (as log(xⁿ) = n × log(x) )

taking the anti-log both sides

we get

5 = b^{0.84}

or

b = 6.79

8 0
3 years ago
I need help on this equation i need to pass the test
emmasim [6.3K]

Answers: x=2 and x=-3

6 0
3 years ago
In March, you have $220 in your savings account. By the end of April, your savings have increased by 30%. How much money do you
Lana71 [14]

Answer:

$286

Step-by-step explanation:

220:100=2.2

2.2 x 30 = 66

220+66=286

6 0
3 years ago
My last question someone help pls
lara [203]

Answer:

3

Step-by-step explanation:

7 0
2 years ago
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