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xxMikexx [17]
3 years ago
15

When viewed from the front, the rope used to tie down a tent forms a pair of supplementary angles with the ground. Find m abc​

Mathematics
1 answer:
DedPeter [7]3 years ago
8 0

Supplementary angles are angles that add up to 180 degrees.

180 = 3x + 4 + 8x + 11

Combine like terms.

180 = 11x + 15

Subtract 15 from both sides.

165 = 11x

Divide both sides by 11

15 = x

m<ABC = 3x + 4 = 3(15) + 4 = 45 + 4 = 49 degrees.

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24 m de panza costa 168 de lei.Cat costa 56 m de panza de acelasi fel?Va rogg dau coroana!!!
masya89 [10]

Answer:

392 lei găsiți rata unitară de 24 și 168 împărțind 168 la 24 pentru a obține 7, apoi înmulțiți 56 cu 7 pentru a obține răspunsul dvs., care este 392

Step-by-step explanation:

Translated- Question: 24 m of canvas costs 168 lei. How much does 56 m of canvas of the same kind cost? Please give me the crown!!!

Answer: 392 lei you find the unit rate of 24 and 168 by dividing 168 by 24 to get 7 then you multiply 56 by 7 to get your answer which is 392.

Sper că acest lucru vă ajută

O zi bună!

Hope this helps

Have a great day!

4 0
2 years ago
Graph f(x) =-2x^+16x-30 by factoring to find the solutions, then find the coordinates of the vertex, and the axis of symmetry. I
fredd [130]

Answer:

<em>Observe attached image</em>

<em>Function zeros:</em>

(3, 0), (5, 0)

<em>Vertex:</em>

(4, 2)

<em>Axis of symmetry:</em>

<em>x =4</em>

Step-by-step explanation:

<u>First factorize the function</u>

f (x) = -2x ^ 2 + 16x-30

<em>Take -2 as a common factor.</em>

-2(x ^ 2 -8x +15)

<em>Now factor the expression x ^ 2 -8x +15</em>

You must find two numbers that when you add them, obtain the result -8 and multiplying those numbers results in 15.

These numbers are -5 and -3

Then we can factor the expression in the following way:

f (x) = -2(x-5)(x-3)

<em><u>The quadratic function cuts the x-axis at </u></em><em>x = 3 and at x = 5.</em>

Now we find the coordinates of the vertex.

For a function of the form ax ^ 2 + bx + c the x coordinate of its vertex is:

x = \frac{-b}{2a}

In the function f (x) = -2x ^ 2 + 16x-30

a = -2\\b = 16\\c = 30

<u>Then the vertice is:</u>

x = \frac{-16}{2(-2)}\\\\x = 4

The y coordinate of the symmetry axis is

y = f (4) = -2 (4) ^ 2 +16 (4) -30\\\\y = 2

The axis of symmetry is a vertical line that cuts the parabola in two equal halves. This axis of symmetry always passes through the vertex.

<u>Then the axis of symmetry is the line</u>

x = 4

<u>The solutions and the vertice written as ordered pairs are:</u>

<em>Function zeros:</em>

(3, 0), (5, 0)

<em>Vertex:</em>

(4, 2)

6 0
3 years ago
I WILL GIVE YOU BRAINLY PLSS <br><br><br> Worth 19 points
Pavel [41]

Answer:

942

Step-by-step explanation :

so your d is 300 so your r = 300/2= 150  

a=3.14*r*r= 3.14*150*150= 70650

c= 3.14*d= 3.14*300= 942

_________________________________________________

OR

The curved surface area of solid cylinder is  

 

As we are given that:

Diameter of solid cylinder = 8 cm

Length or Height o solid cylinder = 140 cm

Formula used to calculate the curved surface area of cylinder is:2n x h

Curved surface area of cylinder =2r x h  

where,

r = radius of cylinder

h = height or length of cylinder

Radius of cylinder =  daimeter

Now putting all the given values in above formula, we get:

Curved surface area of cylinder =  2x 22/7 x 140cm

Curved surface area of cylinder = 3520cm^{2}

Therefore, the curved surface area of solid cylinder is3520cm^{2}

8 0
3 years ago
Read 2 more answers
I need help pppppppllssssssssss​
balandron [24]

Answer:

y=x-1

Step-by-step explanation:

8 0
2 years ago
−8/9 ⋅ 5/6<br> What is the product in simplest form?<br><br><br> Fractions btw
klio [65]
The answer 56 it’s already put in simplest form
7 0
3 years ago
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