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ad-work [718]
3 years ago
15

If TRAP is an isosceles trapezoid what is the value of x

Mathematics
1 answer:
rewona [7]3 years ago
4 0

Answer:

B

Step-by-step explanation:

In an isosceles trapezoid any lower base angle is supplementary to any upper base angle, thus

6x + 2x + 4 = 180, that is

8x + 4 = 180 ( subtract 4 from both sides )

8x = 176 ( divide both sides by 8 )

x = 22 → B

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40 POINTS!
nata0808 [166]
-2x-4y = 2
-2x-4y+4y = 2+4y
-2x=4y+2

Divided by 2:
-2x/-2 = 4y +2/ -2
Answer: x=-2y-1

3x +4y =8
3x + 4y = -4y = 8+-4y
3x= -4y +8
Divided by 3
3x/3 = -4y + 8/3
x=-4/3y + 8/3

Bonus!
# of reserved seat tickets
r.
# of reserved admission ticket's
g
4r + 3g = 5792
r + g= 1787

6 0
2 years ago
A typical virus is a packet of protein and DNA (or RNA) and can be spherical in shape. The influenza A virus is a spherical viru
DochEvi [55]

Answer:

10⁻⁶

Step-by-step explanation:

Since the volume of saliva coughed up by my friend is 0.0100 cm³ and 10⁺⁹ of this volume contains the virus. The volume containing the virus is thus V = 0.0100 cm³ × 10⁺⁹ = 0.0100 × 10⁺⁹ cm³ = 0.0100 × 10⁺⁹ × 10⁻⁶ m³ = 0.0100 × 10⁺¹⁵ m³.

Now, since the flu virus is spherical, its volume is v = 4πr³/3 where r is its radius.

Let n flu viruses be contained in the volume V of flu viruses coughed out by my friend.

So n × v = V

v = V/n

4πr³/3 = V/n

r = ∛(3V/4πn)

substituting the value of V into the equation, we have

r = ∛(3 × 0.0100 × 10⁺¹⁵ m³/4πn)

r = (∛0.03/4πn) × 10⁻⁵ m

r = 0.1336/∛n × 10⁻⁵ m

r = 1.336/∛n × 10⁻⁶ m

Since the factor 10⁻⁶ is found in the radius, the order of magnitude of the influenza virus that have just landed on me are of the order 10⁻⁶

3 0
3 years ago
7) Write a rule for the arithmetic or geometric sequence. Then find the
Vlad1618 [11]

Answer:

This is geometric sequence.

n^{th}  \ term \ in \ geometric \ sequence \ a_{n}  = a_{1}  \cdot r^{n-1} ,

     a_{1}  \ is \ first \  term\\ r \ is \ the \ common \ divisor \\

      r = \frac{-48}{64} = \frac{3}{4}

           a_{7} = -64\  \cdot {\frac{3}{4} }^{7-1}\\\\a_{7} = -64\  \cdot {\frac{3}{4} }^{6}\\\\= \frac{-64* 3*3*3*3*3*3}{4*4*4*4*4*4} = \frac{-729}{64}

           

7 0
2 years ago
Kristian and Stephanie share some money in the ratio 3 : 2. Kristian receives $72.
lesya692 [45]

Hi there :)

Answer:

Stephanie receives $48.

Explanation:

The ratio is 3/2 = Kristian/Stephanie, which means the ratio is also going to be 3/2 = $72/x.

3x = $72 x 2

x = $144/3 = 48 <----

<u>If you have any further questions, feel free to ask.</u>

Have a wonderful day!

4 0
2 years ago
Which of the following graph represents the equation below
nordsb [41]

Answer:

Graph C

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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