Please i really really need help BRAIBLIST ASAP

Mathematics

1 answer:

attashe74 [19]3 years ago

3 0

After 10 years Lori will have 27 dollars more than Darryl (I took the test)

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Which expression represents the sum of 8 and twice a number?

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B) 2n + 8 is the correct answer.

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4. Find the coordinates in the table after a translation 3 units right and 4 units down followed by a reflection over the x-axis

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Answer:

translation 3 units right and 4 units down (7, -6)

reflect over x-axis (7, 6)

Step-by-step explanation:

The point is (4, -2), you translate the domain (4) 3 to the right which makes the domain 7, then translate 4 units down to get the range. The range is now -6 because -2 -4= - 6. To reflect over the x- axis, count upward from the point until you get to the 7, 0, and then count 6 more upward to get (7, 6) the point after it was reflected over the x-axis

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Find the percent of the number. 20% of 90

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Answer:

Step-by-step explanation:

90 x 0.2 = 18

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Read 2 more answers

Solve for x 4^x-2=256

salantis [7]

We can do this problem using two ways....
Let me show you both methods.

Method 1: "Without using logs"

$4^{x-2}=256\\\\ 4^{x-2}=4^4\ \ \ \ \ |\because 4^4 \ $is the same as 256$

Now, since both sides of the equation have same base and they equal each other, then their exponent must be equal to each other. So, we equal their exponents.

After equaling the exponents, we get,
$x - 2 = 4 \\\\ x=4+2 \\\\ \boxed{x = 6} \Leftarrow $ This is your answer!!$

Now,
Method 2: "Using Logs"

$4^{x-2}=256 \\\\ ~~~~~~~\Downarrow ~~~~~~ is\ the\ same\ thing\ as\ saying \\\\$log\ _4\ 256 =x-2 \\\\ Now,\ using\ the\ log\ property\ log_AB= \frac{log_cA}{log_cB}, \ we \ get, \\\\ \frac{log_{10}256}{log_{10}4}=x-2 \\\\ 4=x-2 \\\\ 4+2=x\\\\ 6=x \\\\ \boxed{x=6} \Leftarrow $This is your answer$

So, either way we get x= 6

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Jungle John participates in a reality TV show that features fitness and agility competitions.

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Answer:

30 Feet Just took it and got it right:)

Step-by-step explanation:

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