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harina [27]
4 years ago
7

What is the value of y in the triangle?

Mathematics
1 answer:
emmainna [20.7K]4 years ago
7 0
The answer is 6.69 ft




good luck
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Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
garik1379 [7]

Answer:

75.52

Step-by-step explanation:

All you have to do is second cos, or cos^-1(2/8), because of sohcahtoa, adjacent hypotenuse, so it is cos.

6 0
3 years ago
A carpenter had two pieces of lumber that totaled 55 feet in length. The shorter piece was 12 feet
dimulka [17.4K]

The equation to find the length of the longer piece is

x- 12 = 55

Step-by-step explanation:

  • A carpenter had two pieces of lumber that totaled in length = 55 feet
  • The shorter piece than the longer piece has length of which is = 12 feet
  • The longer piece is denoted as= x
  • Find x = ?
  • The equation can be formed to find the value of x as,
  • Longer piece (x) ₋ shorter piece (12) = total length (55)
  • Therefore, x ₋ 12 = 55
  • the above equation states that
  • if you subtract the shorter piece from the total length of the you will get the length of the longer piece.
  • therefore,
  • if you shift the value of shorter length on the right hand side, you can find the value of x
  • so, x= 55 ₋ 12
  • value of x = 43
  • therefore, the length of the longer piece is 43 feet long.

6 0
4 years ago
Compute 941 divided by 8 Enter your answer using remainder notation, if necessary. For example: 29R2
DaniilM [7]

Answer:

Step-by-step explanation:

hello :

941 = 8 ×117+5

the remainder is 5

Writing in remainder notation would have 941/8 = 117 R 5

3 0
4 years ago
Find an equation for the line tangent to the curve y=x^3-4x+8 at the point (4,56)
Alexxandr [17]
<span><span><span>y2</span>(<span>y2</span>−4)=<span>x2</span>(<span>x2</span>−5)</span><span><span>y2</span>(<span>y2</span>−4)=<span>x2</span>(<span>x2</span>−5)</span></span><span> Multiplying the polynomials gets us to </span><span><span><span>y4</span>−4<span>y2</span>=<span>x4</span>−5<span>x2</span></span><span><span>y4</span>−4<span>y2</span>=<span>x4</span>−5<span>x2</span></span></span><span>. Taking the derivative with respect to </span><span>xx</span><span> gets us: </span><span><span>4<span>y3</span><span>y′</span>−>!8y<span>y′</span>=4<span>x3</span>−10x</span><span>4<span>y3</span><span>y′</span>−>!8y<span>y′</span>=4<span>x3</span>−10x</span></span><span>. Factoring to get </span><span><span>y′</span><span>y′</span></span><span> by itself: </span><span><span><span>y′</span>(4<span>y3</span>−8y)=4<span>x3</span>−10)</span><span><span>y′</span>(4<span>y3</span>−8y)=4<span>x3</span>−10)</span></span><span>. Divide through to get </span><span><span>y′</span><span>y′</span></span><span> by itself: </span><span><span><span>y′</span>=<span><span>4<span>x3</span>−10x</span><span>4<span>y3</span>−8y</span></span></span><span><span>y′</span>=<span><span>4<span>x3</span>−10x</span><span>4<span>y3</span>−8y</span></span></span></span><span>. You could make your life a bit easier by factoring this into </span><span><span><span>y′</span>=<span><span>2x(2<span>x2</span>−5)</span><span>4y(<span>y2</span>−2)</span></span></span><span><span>y′</span>=<span><span>2x(2<span>x2</span>−5)</span><span>4y(<span>y2</span>−2)</span></span></span></span><span>. You could cancel out a factor of </span><span>22</span><span> to get </span><span><span><span>y′</span>=<span><span>x(2<span>x2</span>−5)</span><span>2y(<span>y2</span>−2)</span></span></span><span><span>y′</span>=<span><span>x(2<span>x2</span>−5)</span><span>2y(<span>y2</span>−2)</span></span></span></span><span>. To find the slope, plug in your points </span><span><span>x=0,y=−2</span><span>x=0,y=−2</span></span><span> into our equation for </span><span><span>y′</span><span>y′</span></span><span> to find the slope of the line. Note that the slope is </span><span>00</span><span>. To find the </span>equation<span> of the tangent line, use that value for </span><span>mm</span><span> you just found (</span><span><span>m=0</span><span>m=0</span></span><span>) and your given points into the point-slope formula and you find that the tangent line is </span><span><span>y=−2</span><span>y=−2</span></span><span>.

Thats what my Aunt said... Idk</span>
4 0
3 years ago
Negative 3 and a half divided by ​negative 5 over 8
Art [367]

Answer:

12/5

Step-by-step explanation:

-3/2 ÷ -5/8 =

-3/2 x 8/-5 =

-24/-10 =

12/5

7 0
2 years ago
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