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miss Akunina [59]
3 years ago
5

Help me with this problem

Mathematics
1 answer:
Alexus [3.1K]3 years ago
6 0

Answer:

x = -59/66

Step-by-step explanation:

Solve for x over the real numbers:

log(7) - log(x + 1) = log(66)

Subtract log(7) from both sides:

-log(x + 1) = log(66) - log(7)

Multiply both sides by -1:

log(x + 1) = log(7) - log(66)

log(7) - log(66) = log(7) + log(1/66) = log(7) + log(1/66) = log(7/66) = log(7/66):

log(x + 1) = log(7/66)

Cancel logarithms by taking exp of both sides:

x + 1 = 7/66

Subtract 1 from both sides:

Answer:  x = -59/66

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What is the sum for quadrilateral ​
mihalych1998 [28]

Answer:

360 degrees

Step-by-step explanation:

The sum of all interior angles in a quadrilateral is 360 degrees.

8 0
3 years ago
A car rental service charges a one-time fee of $19.99 in addition to $0.29 per mile drive. If the final total for renting the ca
jenyasd209 [6]

Answer:

19.99+ 0.29m = 73.93

Step-by-step explanation:

bc u add 19.99 extra to every m for .29 (.29m)= and the total is 73.93

6 0
4 years ago
Read 2 more answers
The author of Passage 1 indicates that becoming
Tasya [4]

The author of Passage 1 indicates that becoming adept at using the Internet can undermine the ability to think deeply.

<h3>What according to the author, becoming adept at using the Internet can cause?</h3>

Passage 1's author cites Patricia Greenfield's study, which discovered that people's use of screen-based technologies harmed their ability to acquire knowledge, perform "inductive analysis" and "critical thinking," and be imaginative and reflective.

The author of Passage 1 concludes that people's ability to think "deeply" is hampered by their use of screen-based technologies.

Option A, C, and D are incorrect because the author of Passage 1 does not address how people's health, social contacts, or self-confidence are affected by using the Internet.

The author of Passage 1 suggests that becoming proficient with the Internet can impair one's ability to think deeply.

Therefore, the correct answer is option B) undermine the ability to think deeply.

To learn more about reading comprehension, refer to:

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7 0
1 year ago
Please Help!!!
algol [13]
f\left(\dfrac\beta2\right)=\sin\dfrac\beta2

Recall the half-angle identity:

\sin^2\dfrac\beta2=\dfrac{1-\cos\beta}2\implies\sin\dfrac\beta2=\pm\sqrt{\dfrac{1-\cos\beta}2}

So in order to find f\left(\dfrac\beta2\right), we only need to know the value of \cos\beta. But there are two possible values. To decide which to take, we use the given information: we know that \beta lies in quadrant III, which means \pi, so \dfrac\pi2, which places \dfrac\beta2 in quadrant II. In this quadrant, the sine of angle is positive, and so

\sin\dfrac\beta2=\sqrt{\dfrac{1-\cos\beta}2}

\beta is an angle of a ray whose terminal point, \left(-\dfrac13,y\right) lies on the circle x^2+y^2=1. The x-coordinate is all we need to know in order to find that \cos\beta=-\dfrac13. So,

\sin\dfrac\beta2=\sqrt{\dfrac{1-\left(-\frac13\right)}2}=\sqrt{\dfrac46}=\dfrac{\sqrt2}{\sqrt3}=\dfrac{\sqrt6}3
6 0
3 years ago
Simplify 4 to the seventh power over 5 squared all raised to the third power.
Vedmedyk [2.9K]
4^21/5^6
Multiply the the powers through the parentheses.
8 0
3 years ago
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