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3 years ago

Sam took his family to the zoo. An adult’s ticket is two times

1 answer:

5 0

Cost of child ticket = x
cost of adult ticket = 2x
2(2x) + 3(x) = 28
4x + 3x = 28
7x = 28
x = 28/7
x = 4
Child ticket cost 4
Adult ticket cost 8

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What formula would you use to calculate the mass of fermium-253 remaining after d days? f(d)=400(0.833)d f(d)=400(0.794)d f(d)=4

seraphim [82]

Answer:

f(d)=400(0.794)^d

Step-by-step explanation:

4 0

2 years ago

A circle had a sector with area 33pi and central angle of 11/6pi radians

MissTica

Answer:

The area of the circle is $36\pi\ units^{2}$

Step-by-step explanation:

we know that

The area of a circle subtends a central angle of $2\pi$ radians

By proportion find the area of the circle

$\frac{33\pi }{(11\pi /6)}=\frac{x}{2\pi}\\ \\ x=2\pi*( 33*6)/11\\ \\x=36\pi\ units^{2}$

3 0

3 years ago

Read 2 more answers

In quadrilateral QRST, Angle R S T measures (5x+15)°. Angle TQR measures (4x+3)°. Circle P is inscribed with quadrilateral Q R S

Assoli18 [71]

Answer:

105degrees

Step-by-step explanation:

Using the theorems that states that the sum of the opposite side of the quadrilateral is 180degrees, hence;

<RST + <TQR = 180

5x+15 + 4x+ 3 = 180

9x + 18 = 180

9x = 180 - 18

9x = 162

x = 162/9

x = 18

Since <RST = 5x+15

<RST = 5(18) + 15

<RST = 90 + 15

<RST = 105degrees

Hence the measure of <RST is 105degrees

7 0

2 years ago

Read 2 more answers

Total distance divided by total time is called what?

azamat

Speed is computed by dividing total distance by total time.

Speed = Total Distance / total time

From the above formula, we can derive the formula of time and distance.

Time = Distance / Speed

Distance = Speed x time

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3 years ago

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3 years ago