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NNADVOKAT [17]
3 years ago
7

Two angles whose measures have a sum of 90° are called complimentary angles. Let x and y

Mathematics
1 answer:
attashe74 [19]3 years ago
7 0

Answer:

<h3><em>y=</em><em>8</em><em>9</em></h3>

Step-by-step explanation:

<h2>examples of complementary angles are: Two angles measuring 45 degrees each. Angles measuring 30 and 60 degrees. Angles measuring 1 degree and 89 degrees.</h2>

<h3><em>y=</em><em>8</em><em>9</em></h3>

<h2><em>MARK </em><em>ME </em><em>AS </em><em>BRINLY</em></h2>

<h3><em>#</em><em>C</em><em>a</em><em>r</em><em>r</em><em>y</em><em> </em><em>O</em><em>n </em><em>Learning</em></h3>

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The radius of the base of a cone is 16 m. Its slant height is 28 m. What is the surface area in
11111nata11111 [884]

Answer:

704π m^2

Step-by-step explanation:

Given data

radius r= 16m

Slant height l= 28m

Required

The surface area of the cone

The expression for the surface area is given as

T.S.A=πrl+πr^2  

substitute

T.S.A=π*16*28+π*16^2

T.S.A=448π+256π

T.S.A=704π m^2

Hence the T.S.A is 704π m^2

4 0
3 years ago
-4x-1+4x=3 solve for x
soldier1979 [14.2K]

Answer:

-14x-1+4x=3

Step-by-step explanation:

it's all in the pic

7 0
3 years ago
Jeff's salary is 25% higher than Josh's. By how many percent is Josh's salary less than Jeff's?
Olegator [25]
It should be the same, 25%. Let's say Josh makes $4,000 a year, and Jeff makes $5,000. Jeff makes 25% more than Josh, and Josh makes 25% less than Jeff. Hope this helped.
4 0
3 years ago
Read 2 more answers
Indicate whether the following statement is true or false: An exponential growth function eventually exceeds a quadratic functio
Mila [183]
The given statement is true.

In general, the growth rate of exponential functions is far greater than the quadratic function. This can be illustrated through an example.

Consider an exponential function 2^{x} and a quadratic function 200 x^{2} +150x+500.

Note that the leading coefficient of the quadratic function is far greater than the base of the exponential function but still the exponential function will exceeds the quadratic function after x = 15.664 as shown in the graph below.

Therefore, we can conclude that the given statement is correct.

3 0
3 years ago
Read 2 more answers
What 2 numbers add up to 37 and multiply to -210?
dedylja [7]
Let us assume the two unknown numbers to be "x" and "y".
Then
x + y = 37
And
xy = - 210
x = - 210/y
Now let us put the value of "x" in the first equation, we get
x + y = 37
- (210/y) + y = 37
y^2 - 210 = 37y
y^2 - 37y - 210 = 0
y^2 - 42y + 5y - 210 = 0
y(y - 42) + 5(y - 42) = 0
(y - 42)(y + 5) = 0
So when
y - 42 = 0
y = 42
Then
x = -(210/42)
   = - 5
Again when
y + 5 = 0
y = -5
Then
x = 42
So the two unknown numbers are 42 and -5. I hope the procedure is clear enough for you to understand.
7 0
3 years ago
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