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Oksanka [162]
3 years ago
11

Please help this isn't my best subject

Mathematics
1 answer:
VLD [36.1K]3 years ago
8 0

Answer:

152 degrees

Step-by-step explanation:

CF is a straight line, which means it equals 180 degrees.  But FXE is an angle of  28 degrees so you subtract 180 from 28 to get 152 degrees.  

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How old am i if 200 reduced by 2 times my age is 16
tatyana61 [14]
x-your\ age\\\\200-2x=16\ \ \ \ \ |subtract\ 200\ from\ both\ sides\\-2x=-184\ \ \ \ \ \ |divide\ both\ sides\ by\ (-2)\\\boxed{x=97}\leftarrow answer
4 0
3 years ago
If the relationship between the number of tickets sold and the number of hours proportional ? If so, how many tickets were sold
harkovskaia [24]

Answer:

t = 640

Step-by-step explanation:

tickets are directly proportional to number of hours.

t =kh

we find K.

240 = 3k

we divide by 3 in both sides.

k = 80

we substitute K to find how many tickets.

t =80 × 8

t = 640

it doesn't matter if you chose any two, e.g., you would get the same answer even if you used 5 and 400, or 9 and 720

6 0
3 years ago
Read 2 more answers
The area of circular garden is 530.66 feet2. What is the circumference of the garden? (Use 3.14 for .)
adelina 88 [10]

Answer:

The answer to your question is Circumference = 81.64 ft

Step-by-step explanation:

Data

Area of a circle = 530.66 ft²

Circumference = ?

π = 3.14

Process

1.- Calculate the radius of the circle

Area = πr²

-Solve for r²

  r² = Area / π

-Substitution

  r² = 530.66 / 3.14

-Simplification

  r² = 169

-result

  r = 13 ft

2.- Calculate the Circumference      

Circumference = 2πr

-Substitution

Circumference = 2(3.14)(13)

-Result

Circumference = 81.64 ft

6 0
3 years ago
Pls, can you help me? thx.<br><img src="https://tex.z-dn.net/?f=%20%5Ccos%28x%20%2B%20%5Cfrac%7B%5Cpi%7D%7B3%7D%29%20%5Cgeqslant
Veseljchak [2.6K]

For x between -\pi and \pi, we have

  • \cos x=\frac{\sqrt2}2=\frac1{\sqrt2} when x=\pm\frac\pi4;
  • \cos x=1 for x=0; and
  • \cos x=0 for x=\pm\frac\pi2

\cos x is continuous over its domain, so the intermediate value theorem tells us that

\cos x\ge\frac{\sqrt2}2

is true for -\frac\pi4\le x\le\frac\pi4.

For all x, we take into account that \cos x is 2\pi-periodic, so the above inequality can be expanded to

-\dfrac\pi4\le x+2n\pi\le\dfrac\pi4

where n is any integer. Equivalently,

-\dfrac\pi4-2n\pi\le x\le\dfrac\pi4-2n\pi

To get the corresponding solution set for

\cos\left(x+\dfrac\pi3\right)\ge\dfrac{\sqrt2}2

simply replace x with x+\frac\pi3:

-\dfrac\pi4-2n\pi\le x+\dfrac\pi3\le\dfrac\pi4-2n\pi

\implies\boxed{-\dfrac{7\pi}{12}-2n\pi\le x\le-\dfrac\pi{12}-2n\pi}

7 0
3 years ago
Find the missing term.<br> The sum of 2 ab- and (-5ab) is the same as the sum of (-6ab) and
-Dominant- [34]
2 ab squared + -5 ab squared = 2-5 = -3 ab squared.
Therefore -6 ab squared + x must be -3 ab squared so x is 3 ab squared
6 0
3 years ago
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