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Hunter-Best [27]
3 years ago
13

4 divided by 5 minus radical 15

Mathematics
1 answer:
forsale [732]3 years ago
3 0
-3.073 that is the correct answer
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Use the circle unit to find sin 90 degrees
kati45 [8]

Answer:

Sin 90°=1

Step-by-step explanation:

A unit circle is a circle with a radius of 1 .Because the radius is 1, it is possible to directly measure the sine, cosine and tangent.

<em>using the unit circle where 90° is the limit as the hypotenuse approaches the vertical y-axis which is positive.</em>

Sine=opposite/hypotenuse

Sin=O/H

<u>Applying the limits</u>

Sine 90°=1/1= 1

cos 90° =0/1 =0

or

When the angle formed at the origin of the unit circle in the 1st quadrant is 0°, cos 0°=1 sin0°=0  and tan 0°=0

When we increase the angle until it is 90°, cos 90°=0, sin 90°=1 and tan 90°=undefined

 

4 0
3 years ago
Find the area of the parallelogram shown above
shusha [124]
I used a little trig, the opposite and adjacent were being used so I used tan... I used it to find h and then plugged it in the a=bh

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3 years ago
Solve for s.<br> 5s + 8 = 4<br> 7<br> S = ?
Ierofanga [76]

Answer:

s = 4

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4 0
2 years ago
Jamal brought 4 shirts in Massachusetts. The sale tax is 5%. If the price before tax for each shirt was $16, how much mone did J
sladkih [1.3K]

Given Number of shirts bought by Jamal in Massachusetts =4.The question is asking us to find the money spent by Jamal after paying sales tax at the rate of 5% when cost of each shirt is $16.

Cost of 1 shirt= $16

Cost of 4 shirts = 4x16=$64.

Sales tax on the shirts = 5% =0.05(in decimal form)

Sales tax on 4 shirts costing $64= 0.05x64= $3.2

Cost of shirt including sales tax= 64+3.2=67.2

Jamal spend $67.2 on purchasing the shirts.


5 0
4 years ago
Read 2 more answers
What is 50% of 70? Round to the nearest hundredth.
Aleks04 [339]
The answer is 35.

50%, another way of saying half, of 70 is 35.
4 0
4 years ago
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