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Katena32 [7]
3 years ago
10

Please help me with this math problem I am going to fail if I don’t get this right

Mathematics
1 answer:
deff fn [24]3 years ago
3 0

Answer:

7+3^{2} - 2 × 5 < (\frac{3}{4} + \frac{1}{8} ) ÷ \frac{1}{8}

Step-by-step explanation:

so <

hope this helps!

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A 51-foot wire running from the top of a tent pole to the ground makes an angle of 58° with the ground. If the length of the ten
AfilCa [17]

Answer:

<em>35.11 ft</em>

<em></em>

Step-by-step explanation:

This given situation can be thought of as triangle \triangle PQR where PQ is the length of pole.

PR is the length of rope.

and QR is the distance of bottom of pole to the point of fastening of rope to the ground.

And \angle Q \neq 90^\circ

Given that:

PQ = 44 ft

PR = 51 ft

\angle R = 58^\circ

To find:

Side QR = ?

Solution:

We can apply Sine Rule here to find the unknown side.

Sine Rule:

\dfrac{a}{sinA} = \dfrac{b}{sinB} = \dfrac{c}{sinC}

Where  

a is the side opposite to \angle A

b is the side opposite to \angle B

c is the side opposite to \angle C

\dfrac{PR}{sinQ}=\dfrac{PQ}{sinR}\\\Rightarrow sin Q =\dfrac{PR}{PQ}\times sinR\\\Rightarrow sin Q =\dfrac{51}{44}\times sin58^\circ\\\Rightarrow \angle Q =79.41^\circ

Now,

\angle P +\angle Q +\angle R =180^\circ\\\Rightarrow \angle P +58^\circ+79.41^\circ=180^\circ\\\Rightarrow \angle P = 42.59^\circ

Let us use the Sine rule again:

\dfrac{QR}{sinP}=\dfrac{PQ}{sinR}\\\Rightarrow QR =\dfrac{sinP}{sinR}\times PQ\\\Rightarrow QR =\dfrac{sin42.59}{sin58}\times 44\\\Rightarrow QR = 35.11\ ft

So, the answer is <em>35.11 ft</em>.

3 0
3 years ago
A box contains 300 raffle tickets. Only 15 tickets are winning tickets. What is the
Roman55 [17]

Answer:

5%

Step-by-step explanation:

15/300 = 0.05

5%

3 0
2 years ago
Why do some utility companies allow customers to pay an average fee each month?
Rus_ich [418]
Because to pay for other employees and for there taxes and others 


Be sure to thank me :)
7 0
3 years ago
Read 2 more answers
4 times a number is increased by 15, the answer is the same as when 70 is decreased by the number
pentagon [3]

4n+15=70+n


I'm pretty sure this is the answer

Have a good day!

3 0
3 years ago
Read 2 more answers
Use the relationship between the angles in the
erastovalidia [21]

The 3 angles when added together make a straight line which is 180 degrees. To find x subtract the 2 known angles from 180.

The answer would be x = 180 - (67 + 52)

5 0
3 years ago
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