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Vaselesa [24]
4 years ago
9

Answers to these! Need ASAP due tomorrow

Mathematics
1 answer:
Aleks04 [339]4 years ago
3 0
Try Photomath Even scans the problem from your paper
#2

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Use the expression you wrote to predict the number of dreams that include people you know out of 28
Elza [17]

Answer:

the number of dreams that include people you know out of 28 is 21

Step-by-step explanation:

Here is the complete question:

It is believed that about \frac{3}{4} of our dreams  involve people that we know.

So the expression to describe the number of  dreams that feature people you know if you have "d" dreams is:

\frac{3}{4} d

Now using the above expression we can predict number of dreams that include people you know out of 28. Here 28 represents number of dreams i.e. "d". So expression becomes:

\frac{3}{4} (28)

Now simplify the above expression:

\frac{3}{4} (28) = \frac{3*28}{4} = \frac{84}{4} = 21

Hence the number of dreams that include people you know out of 28 is 21

5 0
3 years ago
I think it's B, but idk, pls help
ale4655 [162]
(N+18)+2n=90
3n=90-18
3n=72
N=24
Yeah it’s b, you’re correct
3 0
4 years ago
Read 2 more answers
Which trigonometric functions are negative in the fourth (IV) quadrant?
anzhelika [568]
<h3>Answers are: sine, tangent, cosecant, cotangent</h3>

Explanation:

On the unit circle we have some point (x,y) such that x = cos(theta) and y = sin(theta). The sine corresponds to the y coordinate of the point on the circle. Quadrant IV is below the x axis which explains why sine is negative here, since y < 0 here.

Since sine is negative, so is cosecant as this is the reciprocal of sine

csc = 1/sin

In quadrant IV, cosine is positive as x > 0 here. So the ratio tan = sin/cos is going to be negative. We have a negative over a positive when we divide.

Because tangent is negative, so is cotangent.

The only positive functions in Q4 are cosine and secant, which is because sec = 1/cos.

7 0
3 years ago
Bigail
Oksana_A [137]

Answer:

divide 195 by 2 , 5 times. Or 195 × 0.5^5

8 0
3 years ago
Louise mowed a neighbor's yard to earn $25. She mowed a few more yards and earned an additional $75. She
grigory [225]
Hello!!

$250- ($25 + $75) x 5
6 0
4 years ago
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