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aliina [53]
3 years ago
6

Find the measure of angle T to the nearest degree.

Mathematics
1 answer:
irina1246 [14]3 years ago
3 0

Answer:

The answer is option 2.

Step-by-step explanation:

You have to use Cosine Rule, cosθ = adjacent/hypotenuse. Substitute the following value into the formula :

\cos(θ) =  \frac{adj.}{hypo.}

Let θ = T,

Let adj = 7.5,

Let hypo = 19.5,

\cos(T) =  \frac{7.5}{19.5}

T =  { \cos( \frac{7.5}{19.5} ) }^{ - 1}

T = 67° \:  \: (near. \: degree)

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Please help I need it done right now
Lina20 [59]

Use the way that kids use i.e trial and error method .

Solution:-

The set given by

\\ \rm\longmapsto \left\{32+n,\dfrac{n}{8},\sqrt{n+225}\right\}

Lets understand

  • See the first term any natural value will make it natural .

Come to 2nd one.

  • n should be a multiple of 8 to make it whole.

Come to third one

  • n should be a number which makes the sum a perfect square by which we get a natural no.We have to solve it w.r.t to 2nd one

Lets think

Nearest squares to 225 are 196 and 289

We can't take 196 as we have to take a positive one other wise it will come in terms of i.

Take 289

\\ \rm\longmapsto n+225=289

\\ \rm\longmapsto n=289-225=64

Its divisible by 8 .

Rewrite the set

\\ \rm\longmapsto \left\{64+32,\dfrac{64}{8},\sqrt{225+64}\right\}

\\ \rm\longmapsto \left\{96,8,\sqrt{289}\right\}

\\ \rm\longmapsto \left\{96,8,17\right\}

Hence n=64

8 0
3 years ago
Can someone please answer this question please answer it correctly and please show work please help me I need it
love history [14]

Answer:

The answer would be -10.

Step-by-step explanation:

It's -10 because -8-(-10) = 2

That is equal to -8 + 10 = 2 because two negative together make a positive number.

7 0
3 years ago
Read 2 more answers
Solve each equation. Leave the answer as an improper fraction. 16x2 = 49
pashok25 [27]
32x = 49
x = 49/32
Now since u said improper lets make 49/32 to mixed first, then improper
Lets divide 32 and 49 and we get 1 with a remainder of 17 
1 17/32
Now that's the mixed fraction, so now lets lastly make it improper 
1 * 32 + 17
--------------
32

 The answer is 49/32
8 0
3 years ago
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What is the solution to the equation 6m = 60<br><br> A. m=10<br> B. m=50<br> C. m=66<br> D. m=360
Semmy [17]
Just simplify by isolating the variable.
To do this, you need to get rid of the coefficient.
This means dividing both sides by 6.
6m / 6 = m
60 / 6 = 10
m = 10 is the answer.
6 0
3 years ago
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The perimeter of a kite is 52 meters. If one side measures 19 meters find the measure of the opposite side.
Setler [38]

For any kite, we have two pairs of congruent adjacent sides. In general, the kite would have sides of x, x, y , y. In this case, x = 19 is known while y is unknown.

The four sides add up to 52, so

x+x+y+y = perimeter

19+19+y+y = 52

38+2y = 52

2y+38-38 = 52-38 .... subtract 38 from both sides

2y = 14

2y/2 = 14/2 ... divide both sides by 2

y = 7

Therefore the opposite side of the 19 meter side is 7 meters

<h3>Answer: B) 7 meters</h3>
3 0
3 years ago
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