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ahrayia [7]
2 years ago
5

Find a_4 and a_n for the arithmetic sequence. a_6= -15, a_8= -7 .

Mathematics
1 answer:
kiruha [24]2 years ago
8 0
Sueinskwkakoqoqoqowowiiwiwiwiwiw
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An A-frame house is 45 feet high and 32 feet wide. Find the measure of the angle that the roof makes with the floor. Round to th
Flura [38]

Answer:

Angle, \theta=70.4^{\circ}

Step-by-step explanation:

We have, an A-frame house is 45 feet high and 32 feet wide. It is required to find the measure of the angle that the roof makes with the floor.

The attached figure shows the A frame. Let \theta is the angle that the roof makes with the floor. So,

\tan\theta=\dfrac{45}{16}\\\\\tan\theta=2.81\\\\\theta=\tan^{-1}(2.81)\\\\\theta=70.4^{\circ}

So, the angle of 70.4 degrees is the angle that the roof makes with the floor.

4 0
3 years ago
20 = –d + 16<br><br> –4<br><br> –6<br><br> 4<br><br> –10
Alecsey [184]

Answer:

d=-4

Step-by-step explanation:

20 = –d + 16

Subtract 16 from each side

20-16 = –d + 16-16

4 = -d

Multiply each side by -1

-1 *4 = -1 * -d

-4 =d

8 0
3 years ago
ASAP!!! Please.....…………………........
vlada-n [284]

He could make seven 3/8lbs portions of meat.

I was a little stumped too, but I think this is it. That's my work process, though

7 0
3 years ago
Could someone help me plz
AfilCa [17]

Answer:

I think it’s c

Step-by-step explanation:

8 0
2 years ago
Find the range for the given domain: {-2, -1, and 0} and the function is y= 3x^2
likoan [24]

Answer:

  {0, 3, 12}

Step-by-step explanation:

Put the domain values in the function and evaluate. The result is the range values.

  y = 3{-2, -1, 0}^2 = 3{4, 1, 0} = {12, 3, 0}

For the given domain, the range is {0, 3, 12}.

_____

<em>Additional comment</em>

Neither the domain nor range values need to be put in any particular order. However, it is often convenient for them to be arranged from least to greatest.

6 0
3 years ago
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